/*
 * VOLT/26 expansion layer.
 * Existing Neon composition remains in templates-b.css; this file owns the
 * six added sections, the expanded navigation, and their motion states.
 */

.neon-page {
  --neon-ink: #08070d;
  --neon-panel: #11101a;
  --neon-panel-bright: #171624;
  --neon-lime: #bbf351;
  --neon-cyan: #00bcff;
  --neon-pink: #ff3cab;
  --neon-muted: #aaa6b7;
  --neon-line: rgba(255, 255, 255, .18);
  --neon-glow-cyan: 0 0 24px rgba(0, 188, 255, .45);
  --neon-glow-lime: 0 0 24px rgba(187, 243, 81, .42);
  --neon-section-pad: clamp(76px, 10vw, 150px);
  overflow-x: clip;
  background: var(--neon-ink);
}

.neon-page :is(section, header, article, figure, div, ul, ol, dl) {
  min-width: 0;
}

.neon-page :is(h1, h2, h3) {
  text-wrap: balance;
  word-break: auto-phrase;
  overflow-wrap: normal;
}

.neon-page :is(p, li, dt, dd, figcaption, summary) {
  text-wrap: pretty;
  word-break: auto-phrase;
  overflow-wrap: break-word;
}

.neon-page img {
  display: block;
  max-width: 100%;
}

.neon-page :is(section[id], .neon-expanded-section) {
  scroll-margin-top: 92px;
}

.neon-page :is(a, button, summary):focus-visible {
  outline: 3px solid var(--neon-lime);
  outline-offset: 4px;
}

/* Navigation */
.neon-page .neon-nav {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  min-height: 72px;
  padding: 12px clamp(14px, 3vw, 48px);
  border-bottom: 1px solid transparent;
  background: linear-gradient(180deg, rgba(8, 7, 13, .94), rgba(8, 7, 13, .72) 72%, transparent);
  transition: background-color .3s ease, border-color .3s ease, backdrop-filter .3s ease;
}

.neon-page .neon-nav.is-scrolled,
.neon-page .neon-nav.is-menu-open {
  border-color: rgba(0, 188, 255, .35);
  background: rgba(8, 7, 13, .9);
  backdrop-filter: blur(16px);
}

.neon-page .neon-nav > a:first-child {
  flex: 0 0 auto;
  min-width: 132px;
  padding: 0 8px;
  font-size: 13px;
  letter-spacing: .03em;
  white-space: nowrap;
}

.neon-page .neon-nav__desktop {
  display: flex;
  min-width: 0;
  margin-left: auto;
  gap: clamp(2px, .45vw, 9px);
  align-items: center;
  justify-content: flex-end;
}

.neon-page .neon-nav__desktop a {
  position: relative;
  min-width: 44px;
  min-height: 44px;
  padding: 0 clamp(4px, .55vw, 10px);
  color: #fff;
  font-size: clamp(10px, .78vw, 12px);
  letter-spacing: .035em;
  white-space: nowrap;
  transition: color .2s ease, text-shadow .2s ease;
}

.neon-page .neon-nav__desktop a::after {
  position: absolute;
  right: 8px;
  bottom: 4px;
  left: 8px;
  height: 2px;
  background: var(--neon-lime);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s ease;
}

.neon-page .neon-nav__desktop a:hover,
.neon-page .neon-nav__desktop a[aria-current="location"],
.neon-page .neon-nav__desktop a.is-active {
  color: var(--neon-lime);
  text-shadow: 0 0 12px rgba(187, 243, 81, .8);
}

.neon-page .neon-nav__desktop a:hover::after,
.neon-page .neon-nav__desktop a[aria-current="location"]::after,
.neon-page .neon-nav__desktop a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.neon-page .neon-nav__toggle {
  display: none;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  place-items: center;
  padding: 0;
  border: 1px solid var(--neon-lime);
  background: rgba(8, 7, 13, .78);
  color: var(--neon-lime);
  cursor: pointer;
  box-shadow: var(--neon-glow-lime);
}

.neon-page .neon-nav__toggle span {
  display: block;
  width: 23px;
  height: 2px;
  background: currentColor;
  transition: transform .24s ease, opacity .2s ease;
}

.neon-page .neon-nav__toggle span + span {
  margin-top: 6px;
}

.neon-page .neon-nav.is-menu-open .neon-nav__toggle span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.neon-page .neon-nav.is-menu-open .neon-nav__toggle span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.neon-page .neon-nav-menu[hidden] {
  display: none;
}

.neon-page .neon-nav-menu {
  display: none;
}

/* Shared expansion surface */
.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) {
  position: relative;
  overflow: clip;
  border-bottom: 1px solid rgba(0, 188, 255, .38);
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) h2,
.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) h3 {
  margin: 0;
  letter-spacing: -.035em;
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) h2 {
  font-size: clamp(46px, 6.5vw, 100px);
  line-height: .9;
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) h2 span {
  display: block;
  max-inline-size: 100%;
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) > :is(header, .neon-concept__copy, .neon-visuals__heading, .neon-access__copy) > p:first-child,
.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) header > p:first-child {
  color: var(--neon-cyan);
  font-family: "Source Code Pro", monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) > :is(header, .neon-concept__copy, .neon-visuals__heading, .neon-access__copy) > p:last-child {
  max-width: 42rem;
  color: var(--neon-muted);
  line-height: 1.85;
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) figure {
  margin: 0;
  overflow: hidden;
  background: var(--neon-panel);
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.15) contrast(1.08);
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) [data-reveal],
.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) .neon-expanded-reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .8s cubic-bezier(.2, .8, .2, 1);
}

.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq).is-visible [data-reveal],
.neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq).is-visible .neon-expanded-reveal {
  opacity: 1;
  transform: none;
}

/* 02 / Concept: waveform monitor */
.neon-page .neon-concept {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(350px, 1.28fr);
  grid-template-rows: auto 1fr;
  gap: 54px clamp(30px, 7vw, 110px);
  padding: var(--neon-section-pad) max(6vw, 24px);
  background: var(--neon-panel);
}

.neon-page .neon-concept__copy {
  align-self: center;
}

.neon-page .neon-concept__copy h2 {
  margin: 22px 0 26px;
  font-size: clamp(40px, 4vw, 56px);
  color: #fff;
}

.neon-page .neon-concept__image {
  position: relative;
  grid-row: 1 / span 2;
  grid-column: 2;
  min-height: 510px;
  border: 1px solid var(--neon-cyan);
  box-shadow: var(--neon-glow-cyan);
  transform: rotate(1.3deg);
}

.neon-page .neon-concept__image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(187, 243, 81, .2), transparent 40%, rgba(255, 60, 171, .24));
  content: "";
  mix-blend-mode: screen;
}

.neon-page .neon-concept__monitor {
  position: relative;
  display: grid;
  min-height: 210px;
  align-content: end;
  gap: 16px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--neon-lime);
  background: #08070d;
  box-shadow: inset 0 0 30px rgba(187, 243, 81, .08), var(--neon-glow-lime);
}

.neon-page .neon-concept__monitor::before {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 12px, rgba(187, 243, 81, .06) 13px 14px);
  content: "";
  pointer-events: none;
}

.neon-page .neon-concept__grid {
  position: absolute;
  inset: 18px;
  opacity: .4;
  background-image: linear-gradient(rgba(0, 188, 255, .14) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 188, 255, .14) 1px, transparent 1px);
  background-size: 25px 25px;
}

.neon-page .neon-concept__wave {
  position: absolute;
  z-index: 1;
  top: 45%;
  left: 8%;
  width: 84%;
  height: 54px;
  opacity: 0;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  color: var(--neon-lime);
  transform: skewY(-3deg) scaleX(.2);
  transform-origin: left;
}

.neon-page .neon-concept__wave::after {
  position: absolute;
  inset: -18px 0 0;
  border-top: 1px solid currentColor;
  border-radius: 50%;
  content: "";
}

.neon-page .neon-concept__wave--cyan { top: 34%; color: var(--neon-cyan); }
.neon-page .neon-concept__wave--pink { top: 57%; color: var(--neon-pink); }

.neon-page .neon-concept.is-visible .neon-concept__wave {
  opacity: .9;
  animation: neon-wave-draw 2.8s cubic-bezier(.2, .75, .2, 1) forwards;
}

.neon-page .neon-concept__monitor > span {
  position: relative;
  z-index: 2;
  color: var(--neon-lime);
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
  letter-spacing: .12em;
}

.neon-page .neon-concept__signals {
  position: absolute;
  right: max(6vw, 24px);
  bottom: var(--neon-section-pad);
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.neon-page .neon-concept__signals li {
  display: grid;
  min-width: 62px;
  gap: 4px;
  padding: 8px 10px;
  border-left: 2px solid var(--neon-pink);
  background: rgba(8, 7, 13, .7);
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
}

.neon-page .neon-concept__signals li:nth-child(2) { border-color: var(--neon-cyan); }
.neon-page .neon-concept__signals li:nth-child(3) { border-color: var(--neon-lime); }

/* 03 / Stages: channel console */
.neon-page .neon-stages {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(450px, 1.3fr);
  gap: 40px 7vw;
  padding: var(--neon-section-pad) max(6vw, 24px);
  background: #090911;
}

.neon-page .neon-stages > header {
  align-self: end;
}

.neon-page .neon-stages > header h2 {
  margin-top: 22px;
  font-size: clamp(40px, 4vw, 56px);
  color: var(--neon-lime);
}

.neon-page .neon-stages__image {
  grid-row: 1 / span 2;
  grid-column: 2;
  min-height: 520px;
  border: 1px solid var(--neon-pink);
  box-shadow: 15px 15px 0 rgba(255, 60, 171, .2);
}

.neon-page .neon-stages__image img {
  filter: saturate(1.35) contrast(1.08) brightness(.72);
}

.neon-page .neon-stages__channels {
  display: grid;
  grid-column: 1 / -1;
  grid-row: 3;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
  align-self: end;
}

.neon-page .neon-stage {
  position: relative;
  display: grid;
  min-height: 240px;
  align-content: end;
  gap: 7px;
  padding: 17px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .25);
  background: var(--neon-panel-bright);
  transition: transform .35s ease, background-color .35s ease, border-color .35s ease;
}

.neon-page .neon-stage::before {
  position: absolute;
  right: 17px;
  top: 17px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 5px rgba(255, 255, 255, .08), 0 0 16px currentColor;
  color: var(--neon-lime);
  content: "";
}

.neon-page .neon-stage--live::before { color: var(--neon-cyan); }
.neon-page .neon-stage--lounge::before { color: var(--neon-pink); }

.neon-page .neon-stage:hover {
  border-color: currentColor;
  transform: translateY(-8px);
}

.neon-page .neon-stage > p:first-child,
.neon-page .neon-stage > span {
  color: var(--neon-muted);
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
}

.neon-page .neon-stage h3 {
  color: var(--neon-lime);
  font-size: clamp(34px, 3.8vw, 58px);
  line-height: .9;
}

.neon-page .neon-stage--live h3 { color: var(--neon-cyan); }
.neon-page .neon-stage--lounge h3 { color: var(--neon-pink); }

.neon-page .neon-stage > p:last-child {
  margin: 8px 0 0;
  color: #cbc7d2;
  font-size: 13px;
  line-height: 1.65;
}

/* 04 / Visuals: split screen */
.neon-page .neon-visuals {
  display: grid;
  grid-template-columns: minmax(220px, .7fr) minmax(450px, 1.3fr);
  gap: 7vw;
  align-items: center;
  padding: var(--neon-section-pad) max(6vw, 24px);
  background: var(--neon-cyan);
  color: var(--neon-ink);
}

.neon-page .neon-visuals__heading {
  position: relative;
  z-index: 2;
}

.neon-page .neon-visuals__heading > p:first-child {
  color: var(--neon-ink);
}

.neon-page .neon-visuals__heading h2 {
  margin: 22px 0;
  color: var(--neon-ink);
  text-shadow: 2px 2px 0 rgba(255, 60, 171, .7);
}

.neon-page .neon-visuals__heading > p:last-child {
  color: rgba(8, 7, 13, .76);
}

.neon-page .neon-visuals__screens {
  position: relative;
  min-height: 500px;
}

.neon-page .neon-visuals__screen--wide {
  position: absolute;
  inset: 0 40px 40px 0;
  border: 4px solid var(--neon-ink);
  background: var(--neon-ink);
  transform: translateX(28px);
  transition: transform .8s cubic-bezier(.2, .8, .2, 1);
}

.neon-page .neon-visuals.is-visible .neon-visuals__screen--wide {
  transform: none;
}

.neon-page .neon-visuals__screen--wide::after {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 7px, rgba(0, 188, 255, .12) 8px 9px);
  content: "";
  mix-blend-mode: screen;
}

.neon-page .neon-visuals__screen--scan {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  width: min(250px, 42%);
  min-height: 190px;
  align-content: space-between;
  padding: 17px;
  border: 3px solid var(--neon-pink);
  background: var(--neon-ink);
  color: var(--neon-lime);
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
  box-shadow: 12px 12px 0 var(--neon-ink);
  transform: rotate(-4deg);
}

.neon-page .neon-visuals__screen--scan i {
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-pink), var(--neon-cyan), var(--neon-lime));
  animation: neon-signal-scan 3.8s ease-in-out infinite;
}

.neon-page .neon-visuals__screen--scan b {
  color: var(--neon-cyan);
  font-size: 11px;
}

/* 05 / Lounge: cassette and card */
.neon-page .neon-lounge {
  padding: var(--neon-section-pad) max(6vw, 24px);
  background: var(--neon-panel);
}

.neon-page .neon-lounge > header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 35px;
}

.neon-page .neon-lounge > header h2 {
  margin-top: 22px;
  color: #fff;
}

.neon-page .neon-lounge__layout {
  position: relative;
  min-height: 570px;
  margin-top: 70px;
}

.neon-page .neon-lounge__image {
  width: min(68%, 850px);
  height: 530px;
  margin: 0;
  border: 1px solid var(--neon-lime);
  box-shadow: var(--neon-glow-lime);
}

.neon-page .neon-lounge__image img {
  filter: saturate(1.15) brightness(.65);
}

.neon-page .neon-lounge__cassette {
  position: absolute;
  z-index: 2;
  top: 90px;
  left: 55%;
  display: grid;
  width: min(280px, 28vw);
  min-height: 170px;
  align-content: space-between;
  padding: 18px;
  border: 2px solid var(--neon-ink);
  border-radius: 7px;
  background: var(--neon-pink);
  color: var(--neon-ink);
  box-shadow: 14px 14px 0 var(--neon-cyan);
  transform: rotate(7deg);
  transition: transform .5s ease;
}

.neon-page .neon-lounge.is-visible .neon-lounge__cassette {
  animation: neon-cassette-float 5.5s ease-in-out infinite;
}

.neon-page .neon-lounge__cassette span,
.neon-page .neon-lounge__cassette small {
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
  font-weight: 800;
}

.neon-page .neon-lounge__cassette strong {
  font-size: 55px;
  line-height: .8;
}

.neon-page .neon-lounge__card {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(430px, 40vw);
  min-height: 330px;
  padding: 30px;
  border: 1px solid var(--neon-cyan);
  background: #08070df2;
  box-shadow: var(--neon-glow-cyan);
}

.neon-page .neon-lounge__card > p:first-child {
  color: var(--neon-cyan);
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
}

.neon-page .neon-lounge__card h3 {
  margin: 22px 0 12px;
  color: var(--neon-lime);
  font-size: clamp(30px, 4vw, 54px);
  line-height: .9;
}

.neon-page .neon-lounge__card > p:nth-of-type(2) {
  color: var(--neon-muted);
  font-size: 13px;
  line-height: 1.7;
}

.neon-page .neon-lounge__card ul {
  display: grid;
  gap: 7px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  color: #fff;
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
}

.neon-page .neon-lounge__card li {
  display: flex;
  gap: 12px;
  padding-top: 7px;
  border-top: 1px solid var(--neon-line);
}

.neon-page .neon-lounge__card li b {
  color: var(--neon-pink);
}

/* 06 / Access: route map and photo */
.neon-page .neon-access {
  display: grid;
  grid-template-columns: minmax(250px, .72fr) minmax(360px, 1.28fr);
  gap: 54px 7vw;
  padding: var(--neon-section-pad) max(6vw, 24px);
  background: #080d17;
}

.neon-page .neon-access__copy {
  align-self: center;
}

.neon-page .neon-access__copy h2 {
  margin: 22px 0;
  font-size: clamp(40px, 4vw, 56px);
  color: var(--neon-lime);
}

.neon-page .neon-access__copy > p:last-of-type {
  color: var(--neon-muted);
  line-height: 1.8;
}

.neon-page .neon-access__copy dl {
  display: grid;
  gap: 10px;
  margin: 30px 0 0;
}

.neon-page .neon-access__copy dl > div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 11px 0;
  border-top: 1px solid var(--neon-line);
}

.neon-page .neon-access__copy dt {
  color: var(--neon-cyan);
  font-family: "Source Code Pro", monospace;
  font-size: 10px;
}

.neon-page .neon-access__copy dd {
  margin: 0;
  color: #fff;
  font-size: 13px;
  text-align: right;
}

.neon-page .neon-access__image {
  grid-column: 2;
  min-height: 430px;
  border: 1px solid var(--neon-pink);
}

.neon-page .neon-access__image img {
  filter: saturate(1.4) brightness(.7);
}

.neon-page .neon-access__map {
  position: relative;
  grid-column: 1 / -1;
  min-height: 230px;
  padding: 18px;
  border: 1px solid rgba(0, 188, 255, .55);
  background: rgba(0, 188, 255, .04);
  box-shadow: inset 0 0 28px rgba(0, 188, 255, .06);
}

.neon-page .neon-access__map svg {
  width: 100%;
  height: 100%;
  min-height: 190px;
  overflow: visible;
}

.neon-page .neon-access__map path {
  fill: none;
  stroke: var(--neon-lime);
  stroke-width: 4;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  filter: drop-shadow(0 0 6px var(--neon-lime));
}

.neon-page .neon-access.is-visible .neon-access__map path {
  animation: neon-route-draw 1.8s cubic-bezier(.2, .75, .2, 1) forwards;
}

.neon-page .neon-access__map circle {
  fill: var(--neon-pink);
  stroke: var(--neon-ink);
  stroke-width: 4;
  filter: drop-shadow(0 0 7px var(--neon-pink));
}

.neon-page .neon-access__station {
  position: absolute;
  z-index: 2;
  padding: 5px 8px;
  border: 1px solid var(--neon-cyan);
  background: var(--neon-ink);
  color: var(--neon-cyan);
  font-family: "Source Code Pro", monospace;
  font-size: 9px;
  letter-spacing: .06em;
}

.neon-page .neon-access__station--start { top: 20%; left: 5%; }
.neon-page .neon-access__station--mid { top: 48%; left: 39%; }
.neon-page .neon-access__station--end { top: 14%; right: 4%; color: var(--neon-lime); border-color: var(--neon-lime); }

/* 07 / FAQ: terminal sheet */
.neon-page .neon-faq {
  display: grid;
  grid-template-columns: minmax(230px, .65fr) minmax(400px, 1.35fr);
  gap: 7vw;
  padding: var(--neon-section-pad) max(6vw, 24px);
  background: var(--neon-panel);
}

.neon-page .neon-faq > header h2 {
  margin-top: 22px;
  font-size: clamp(40px, 4vw, 56px);
  color: var(--neon-pink);
}

.neon-page .neon-faq__terminal {
  align-self: start;
  padding: 22px 28px;
  border: 1px solid var(--neon-lime);
  background: #08070d;
  box-shadow: var(--neon-glow-lime);
}

.neon-page .neon-faq__prompt {
  margin: 0 0 20px;
  color: var(--neon-lime);
  font-family: "Source Code Pro", monospace;
  font-size: 11px;
}

.neon-page .neon-faq__terminal details {
  border-top: 1px solid var(--neon-line);
}

.neon-page .neon-faq__terminal details:last-child {
  border-bottom: 1px solid var(--neon-line);
}

.neon-page .neon-faq__terminal summary {
  display: flex;
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #fff;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
}

.neon-page .neon-faq__terminal summary::-webkit-details-marker {
  display: none;
}

.neon-page .neon-faq__terminal summary::after {
  flex: 0 0 auto;
  color: var(--neon-cyan);
  content: "+";
  font-family: "Source Code Pro", monospace;
  font-size: 22px;
  transition: transform .25s ease, color .25s ease;
}

.neon-page .neon-faq__terminal details[open] summary::after {
  color: var(--neon-pink);
  transform: rotate(45deg);
}

.neon-page .neon-faq__terminal details p {
  max-width: 42rem;
  margin: 0 35px 18px 0;
  color: var(--neon-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* Motion states */
@keyframes neon-wave-draw {
  0% { transform: skewY(-3deg) scaleX(.2); }
  100% { transform: skewY(-3deg) scaleX(1); }
}

@keyframes neon-signal-scan {
  0%, 100% { transform: scaleX(.35); transform-origin: left; opacity: .65; }
  50% { transform: scaleX(1); transform-origin: left; opacity: 1; }
}

@keyframes neon-cassette-float {
  0%, 100% { transform: rotate(7deg) translateY(0); }
  50% { transform: rotate(5deg) translateY(-12px); }
}

@keyframes neon-route-draw {
  to { stroke-dashoffset: 0; }
}

/* Compact desktop keeps the eight tags clear of the hero kicker. */
@media (min-width: 901px) and (max-width: 1180px) {
  .neon-page .neon-nav {
    padding-inline: 14px;
  }

  .neon-page .neon-nav > a:first-child {
    min-width: 112px;
    font-size: 11px;
  }

  .neon-page .neon-nav__desktop {
    gap: 0;
  }

  .neon-page .neon-nav__desktop a {
    padding-inline: 3px;
    font-size: 10px;
  }

  .neon-page .neon-hero {
    padding-top: 132px;
  }

  .neon-page .neon-hero .neon-kicker {
    max-width: 360px;
  }

  .neon-page :is(.neon-concept, .neon-visuals, .neon-faq) {
    grid-template-columns: minmax(310px, .9fr) minmax(340px, 1.1fr);
    gap: 32px;
  }

  .neon-page .neon-concept__copy h2,
  .neon-page .neon-faq > header h2 {
    font-size: 34px;
    letter-spacing: -.06em;
  }

  .neon-page .neon-visuals__heading h2 {
    font-size: 38px;
    letter-spacing: -.06em;
  }

  .neon-page .neon-stages > header h2 {
    font-size: 32px;
    letter-spacing: -.06em;
  }

  .neon-page .neon-stages > header h2 span {
    white-space: nowrap;
  }
}

@media (min-width: 901px) {
  .neon-page .neon-concept__copy h2,
  .neon-page .neon-visuals__heading h2,
  .neon-page .neon-faq > header h2 {
    line-height: .96;
  }

  .neon-page .neon-concept__copy h2,
  .neon-page .neon-visuals__heading h2,
  .neon-page .neon-faq > header h2 {
    text-wrap: balance;
  }

  .neon-page .neon-concept__copy h2,
  .neon-page .neon-visuals__heading h2,
  .neon-page .neon-faq > header h2 {
    font-size: clamp(34px, 2.9vw, 42px);
  }

  .neon-page .neon-visuals__heading h2 {
    font-size: clamp(38px, 3.2vw, 52px);
  }

  .neon-page .neon-concept__copy h2 span,
  .neon-page .neon-visuals__heading h2 span,
  .neon-page .neon-faq > header h2 span {
    white-space: nowrap;
  }
}

@media (max-width: 900px) {
  .neon-page .neon-nav {
    min-height: 68px;
    padding: 10px 14px;
  }

  .neon-page .neon-nav > a:first-child {
    min-width: 0;
    font-size: 12px;
  }

  .neon-page .neon-nav__desktop {
    display: none;
  }

  .neon-page .neon-nav__toggle {
    display: grid;
    margin-left: auto;
  }

  /* A filtered fixed header becomes the containing block for fixed children. */
  .neon-page .neon-nav.is-menu-open {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .neon-page .neon-nav-menu:not([hidden]) {
    position: fixed;
    z-index: 101;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    min-height: 100vh;
    display: block;
    overflow: hidden;
    background: var(--neon-ink);
  }

  .neon-page .neon-nav-menu__backdrop {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
    background: transparent;
    cursor: pointer;
  }

  .neon-page .neon-nav-menu__panel {
    position: relative;
    z-index: 2;
    display: flex;
    width: min(100% - 32px, 520px);
    height: 100%;
    flex-direction: column;
    justify-content: center;
    margin-left: auto;
    padding: 42px 24px;
    border-left: 1px solid var(--neon-cyan);
    background: rgba(17, 16, 26, .98);
    box-shadow: -20px 0 55px rgba(0, 188, 255, .12);
  }

  .neon-page .neon-nav-menu__panel > p {
    margin: 0 0 26px;
    color: var(--neon-cyan);
    font-family: "Source Code Pro", monospace;
    font-size: 11px;
  }

  .neon-page .neon-nav-menu__panel nav {
    display: grid;
    gap: 0;
  }

  .neon-page .neon-nav-menu__panel nav a {
    display: flex;
    min-height: 54px;
    align-items: center;
    justify-content: space-between;
    padding: 0 4px;
    border-bottom: 1px solid var(--neon-line);
    color: #fff;
    font-family: "Source Code Pro", monospace;
    font-size: 15px;
    letter-spacing: .06em;
  }

  .neon-page .neon-nav-menu__panel nav a:not(:last-child)::after {
    color: var(--neon-lime);
    content: "↗";
  }

  .neon-page .neon-nav-menu__panel nav a:hover,
  .neon-page .neon-nav-menu__panel nav a[aria-current="location"] {
    color: var(--neon-lime);
  }

  .neon-page :is(.neon-concept, .neon-stages, .neon-visuals, .neon-access, .neon-faq) {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) h2 {
    font-size: clamp(42px, 10vw, 68px);
    line-height: .94;
  }

  .neon-page .neon-concept__image,
  .neon-page .neon-stages__image,
  .neon-page .neon-access__image {
    grid-column: auto;
    grid-row: auto;
    min-height: 360px;
  }

  .neon-page .neon-concept__monitor {
    min-height: 180px;
  }

  .neon-page .neon-concept__signals {
    position: static;
    grid-column: 1;
    justify-content: flex-start;
  }

  .neon-page .neon-stages__channels {
    grid-template-columns: repeat(3, 1fr);
  }

  .neon-page .neon-visuals__screens {
    min-height: 390px;
  }

  .neon-page .neon-lounge > header {
    display: block;
  }

  .neon-page .neon-lounge__layout {
    min-height: 690px;
  }

  .neon-page .neon-lounge__image {
    width: 78%;
    height: 430px;
  }

  .neon-page .neon-lounge__cassette {
    top: 60px;
    left: auto;
    right: 2%;
    width: 220px;
  }

  .neon-page .neon-lounge__card {
    right: 0;
    bottom: 0;
    width: min(90%, 430px);
  }

  .neon-page .neon-access__map {
    grid-column: 1;
  }
}

@media (max-width: 600px) {
  .neon-page .neon-hero {
    padding-top: 90px;
  }

  .neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) h2 {
    font-size: clamp(39px, 11vw, 58px);
  }

  .neon-page .neon-concept,
  .neon-page .neon-stages,
  .neon-page .neon-visuals,
  .neon-page .neon-lounge,
  .neon-page .neon-access,
  .neon-page .neon-faq {
    padding: 78px 18px;
  }

  .neon-page .neon-concept__image,
  .neon-page .neon-stages__image,
  .neon-page .neon-access__image {
    min-height: 270px;
  }

  .neon-page .neon-concept__signals {
    gap: 5px;
  }

  .neon-page .neon-concept__signals li {
    min-width: 0;
    flex: 1;
  }

  .neon-page .neon-stages__channels {
    grid-template-columns: 1fr;
  }

  .neon-page .neon-stage {
    min-height: 180px;
  }

  .neon-page .neon-visuals__screens {
    min-height: 290px;
  }

  .neon-page .neon-visuals__screen--wide {
    inset: 0 22px 32px 0;
  }

  .neon-page .neon-visuals__screen--scan {
    width: 48%;
    min-height: 130px;
    padding: 11px;
  }

  .neon-page .neon-lounge__layout {
    min-height: 640px;
    margin-top: 42px;
  }

  .neon-page .neon-lounge__image {
    width: 86%;
    height: 330px;
  }

  .neon-page .neon-lounge__cassette {
    top: 32px;
    right: 0;
    width: 172px;
    min-height: 126px;
    padding: 12px;
  }

  .neon-page .neon-lounge__cassette strong {
    font-size: 38px;
  }

  .neon-page .neon-lounge__card {
    width: 94%;
    min-height: 290px;
    padding: 22px;
  }

  .neon-page .neon-access__copy dl > div {
    display: grid;
    gap: 4px;
  }

  .neon-page .neon-access__copy dd {
    text-align: left;
  }

  .neon-page .neon-access__map {
    min-height: 190px;
    padding: 8px;
  }

  .neon-page .neon-access__map svg {
    min-height: 160px;
  }

  .neon-page .neon-access__station {
    font-size: 8px;
  }

  .neon-page .neon-faq__terminal {
    padding: 18px;
  }

  .neon-page .neon-faq__terminal summary {
    min-height: 66px;
    font-size: 13px;
  }
}

@media (max-width: 390px) {
  /* Keep each semantic Japanese heading unit on one readable line. */
  .neon-page .neon-concept__copy h2,
  .neon-page .neon-lounge > header h2,
  .neon-page .neon-faq > header h2 {
    font-size: clamp(29px, 8.1vw, 32px);
    letter-spacing: -.055em;
    line-height: 1.12;
  }

  .neon-page .neon-concept__copy h2 span,
  .neon-page .neon-lounge > header h2 span,
  .neon-page .neon-faq > header h2 span {
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .neon-page :is(.neon-scan, .neon-hero h1, .neon-hero-ticket, .neon-cta a, .neon-marquee span) {
    animation: none !important;
  }

  .neon-page :is(.neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq, .neon-expanded-section),
  .neon-page :is(.neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq, .neon-expanded-section) *,
  .neon-page :is(.neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq, .neon-expanded-section)::before,
  .neon-page :is(.neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq, .neon-expanded-section)::after {
    animation: none !important;
    transition: none !important;
  }

  .neon-page :is(.neon-expanded-section, .neon-concept, .neon-stages, .neon-visuals, .neon-lounge, .neon-access, .neon-faq) :is([data-reveal], .neon-expanded-reveal) {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }

  .neon-page .neon-visuals__screen--wide {
    opacity: 1 !important;
    transform: none !important;
  }

  .neon-page .neon-visuals__screen--scan i {
    opacity: 1 !important;
    transform: scaleX(1) !important;
    transform-origin: left !important;
  }

  .neon-page .neon-concept__wave {
    opacity: .9;
    transform: skewY(-3deg) scaleX(1) !important;
  }

  .neon-page .neon-access__map path {
    stroke-dashoffset: 0 !important;
  }

  .neon-page .neon-lounge__cassette {
    transform: rotate(7deg) translateY(0) !important;
  }
}