:root {
  --blue-50: #f8fafc;
  --blue-100: #e5edf6;
  --blue-200: #b1c4dc;
  --blue-300: #5a7498;
  --blue-400: #314868;
  --blue-500: #0b1f3a;
  --blue-600: #01051e;
  --signal: #c9ff00;
  --signal-ink: #193000;
  --white: #ffffff;
  --danger: #ff8066;
  --font-display: "Host Grotesk", "Helvetica Neue", sans-serif;
  --font-mono: "Geist Mono", ui-monospace, monospace;
  --page-pad: clamp(1.25rem, 3vw, 3.5rem);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--blue-600);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::selection { background: var(--signal); color: var(--blue-600); }
a { color: inherit; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
button, input, textarea { font: inherit; }
button { color: inherit; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.noise {
  position: fixed; inset: 0; z-index: 1000; pointer-events: none; opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}
.progress { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 1001; }
.progress__bar { display: block; width: 100%; height: 100%; background: var(--signal); transform: scaleX(0); transform-origin: left; }

.nav {
  position: fixed; z-index: 100; top: 1.25rem; left: var(--page-pad); right: var(--page-pad);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  min-height: 64px; padding: 0.6rem 0.65rem 0.6rem 1.2rem;
  border: 1px solid rgba(177, 196, 220, 0.18); border-radius: 999px;
  background: rgba(1, 5, 30, 0.62); backdrop-filter: blur(20px) saturate(140%);
  transition: transform 0.5s var(--ease), background 0.4s ease;
}
.nav.is-hidden { transform: translateY(-140%); }
.nav__brand img { width: 94px; height: 28px; object-fit: contain; object-position: left; }
.nav__meta { display: flex; align-items: center; gap: 0.6rem; color: var(--blue-200); font: 500 0.68rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 14px var(--signal); animation: pulse 2.2s ease-in-out infinite; }
.nav__cta {
  justify-self: end; display: inline-flex; align-items: center; gap: 2rem; padding: 0.78rem 1.1rem;
  border-radius: 999px; background: var(--white); color: var(--blue-600); text-decoration: none;
  font-size: 0.85rem; font-weight: 600; transition: background 0.2s, transform 0.2s;
}
.nav__cta:hover { background: var(--signal); transform: translateY(-1px); }

.hero { position: relative; min-height: 100svh; overflow: hidden; padding: 8.5rem var(--page-pad) 2rem; display: flex; flex-direction: column; isolation: isolate; }
.hero__aurora {
  --mx: 60%; --my: 25%; position: absolute; inset: -20%; z-index: -3;
  background:
    radial-gradient(ellipse 42% 34% at var(--mx) var(--my), rgba(73, 255, 179, 0.24), transparent 72%),
    radial-gradient(ellipse 35% 48% at calc(var(--mx) - 24%) calc(var(--my) + 18%), rgba(23, 103, 255, 0.32), transparent 73%),
    radial-gradient(ellipse 28% 30% at calc(var(--mx) + 16%) calc(var(--my) + 34%), rgba(186, 50, 255, 0.18), transparent 70%);
  filter: blur(50px); animation: aurora 14s ease-in-out infinite alternate;
}
.hero__grid { position: absolute; inset: 0; z-index: -2; opacity: 0.16; background-image: linear-gradient(rgba(177,196,220,.15) 1px, transparent 1px), linear-gradient(90deg, rgba(177,196,220,.15) 1px, transparent 1px); background-size: 6.25vw 6.25vw; mask-image: linear-gradient(to bottom, black, transparent 88%); }
.hero__mark { position: absolute; z-index: -1; width: min(61vw, 870px); right: -4vw; top: 8%; opacity: 0.075; filter: blur(0.2px) drop-shadow(18px 0 0 rgba(42,118,255,.11)) drop-shadow(-14px 0 0 rgba(255,58,136,.08)); animation: float 11s ease-in-out infinite; }
.hero__topline { display: flex; justify-content: space-between; padding-bottom: 0.7rem; border-bottom: 1px solid rgba(177,196,220,.25); font: 500 .7rem var(--font-mono); letter-spacing: .13em; text-transform: uppercase; color: var(--blue-200); }
.hero__content { margin-top: auto; padding-top: 8vh; }
.eyebrow { color: var(--signal); font: 500 .7rem var(--font-mono); letter-spacing: .16em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 18px; height: 1px; margin: 0 .7rem .22rem 0; background: currentColor; }
.hero__title { margin: 1.2rem 0 1.8rem; font-size: clamp(3.6rem, 8.85vw, 10.8rem); line-height: .82; letter-spacing: -.072em; font-weight: 480; max-width: 9.8ch; }
.title-line { display: block; overflow: hidden; }
.title-line > span { display: block; }
.hero__footer { display: grid; grid-template-columns: minmax(260px, 580px) auto; align-items: end; gap: 2rem; padding-left: 31%; }
.hero__footer p { color: var(--blue-200); max-width: 52ch; font-size: clamp(1rem, 1.4vw, 1.25rem); line-height: 1.55; }
.button { border: 0; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: space-between; gap: 2.5rem; min-height: 58px; padding: .85rem 1.15rem; border-radius: 8px; font-weight: 600; transition: transform .2s var(--ease), box-shadow .3s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button--signal { background: var(--signal); color: var(--blue-600); box-shadow: 0 0 0 rgba(201,255,0,0); }
.button--signal:hover { box-shadow: 0 12px 44px rgba(201,255,0,.18); }
.event-ticket { position: absolute; right: var(--page-pad); top: 20%; width: min(330px, 25vw); padding: 1.25rem; background: rgba(11,31,58,.58); border: 1px solid rgba(177,196,220,.22); border-radius: 14px; backdrop-filter: blur(14px); }
.event-ticket__date { display: flex; align-items: flex-end; gap: .65rem; padding-bottom: 1rem; border-bottom: 1px solid rgba(177,196,220,.2); font: 500 .66rem var(--font-mono); color: var(--blue-200); }
.event-ticket__day { font: 400 clamp(4.3rem, 6.8vw, 7.4rem)/.72 var(--font-display); letter-spacing: -.08em; color: var(--white); }
.event-ticket__details { padding: 1rem 0 .4rem; }
.event-ticket__details p { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; padding: .38rem 0; font-size: .8rem; }
.event-ticket__details span { color: var(--blue-300); font: .62rem var(--font-mono); text-transform: uppercase; letter-spacing: .08em; }
.event-ticket__code { margin-top: .8rem; font: .58rem var(--font-mono); letter-spacing: .2em; color: var(--blue-300); }
.hero__scroll { position: absolute; bottom: 2rem; left: var(--page-pad); display: flex; align-items: center; gap: 1.5rem; color: var(--blue-200); font: .65rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; text-decoration: none; }
.hero__scroll span:last-child { display: grid; place-items: center; width: 36px; height: 36px; border: 1px solid rgba(177,196,220,.3); border-radius: 50%; }

.section-label { display: flex; gap: 1rem; color: var(--blue-300); font: 500 .66rem var(--font-mono); letter-spacing: .14em; text-transform: uppercase; }
.section-label span:first-child { color: var(--signal); }
.section-label--light { color: var(--blue-400); }
.section-label--light span:first-child { color: var(--signal-ink); }

.night { padding: 6rem var(--page-pad) 5rem; background: var(--blue-50); color: var(--blue-600); }
.night__headline { display: grid; grid-template-columns: 1.3fr .55fr; align-items: end; gap: 6vw; margin: 4.5rem 0 5rem; }
.night__headline h2 { font-size: clamp(3.7rem, 7.2vw, 8rem); font-weight: 450; line-height: .88; letter-spacing: -.064em; }
.night__headline > p { max-width: 37ch; color: var(--blue-400); font-size: 1.05rem; line-height: 1.6; }
.night__beats { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--blue-200); }
.night__beat { min-height: 190px; padding: 1.6rem 2rem 2rem 0; }
.night__beat + .night__beat { padding-left: 2rem; border-left: 1px solid var(--blue-200); }
.night__beat > span { color: var(--signal-ink); font: 500 .65rem var(--font-mono); }
.night__beat h3 { margin-top: 2.4rem; font-size: clamp(1.8rem, 2.6vw, 3rem); font-weight: 500; letter-spacing: -.035em; }
.night__beat p { margin-top: .55rem; color: var(--blue-400); }

.venue { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 90svh; background: var(--blue-50); color: var(--blue-600); }
.venue__image-wrap { position: relative; min-height: 700px; overflow: hidden; }
.venue__image { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.venue__image-wrap:hover .venue__image { transform: scale(1.025); }
.venue__stamp { position: absolute; z-index: 1; right: 1.5rem; bottom: 1.5rem; display: flex; flex-direction: column; padding: 1rem; background: var(--blue-600); color: var(--white); font: .62rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.venue__stamp span:first-child { color: var(--white); font-size: 1.6rem; letter-spacing: -.04em; }
.venue__copy { display: flex; flex-direction: column; justify-content: center; padding: 7rem clamp(2rem, 6vw, 7rem); }
.venue__copy .eyebrow { margin-top: auto; color: var(--signal-ink); }
.venue__copy h2 { margin: 1rem 0 2rem; font-size: clamp(3.7rem, 6.4vw, 7.3rem); font-weight: 450; line-height: .88; letter-spacing: -.065em; }
.venue__copy > p:not(.eyebrow) { max-width: 38ch; color: var(--blue-400); font-size: 1.05rem; }
.venue address { margin: 2rem 0; font-style: normal; font-weight: 560; }
.text-link { display: inline-flex; width: fit-content; align-items: center; gap: 1.5rem; padding-bottom: .2rem; border-bottom: 1px solid currentColor; text-decoration: none; font-weight: 600; }
.venue__copy .text-link { margin-bottom: auto; }

.register { position: relative; isolation: isolate; display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; min-height: 100svh; padding: 8rem var(--page-pad); overflow: hidden; }
.register__aurora { position: absolute; inset: -20%; z-index: -1; background: radial-gradient(ellipse 38% 40% at 28% 42%, rgba(14,102,255,.28), transparent 72%), radial-gradient(ellipse 32% 32% at 66% 72%, rgba(161,40,255,.15), transparent 70%), radial-gradient(ellipse 22% 30% at 50% 20%, rgba(49,255,185,.13), transparent 70%); filter: blur(60px); }
.register__intro { display: flex; flex-direction: column; }
.register__intro .eyebrow { margin-top: auto; }
.register__intro h2 { margin: 1rem 0 2rem; font-size: clamp(4rem, 6.6vw, 7.5rem); font-weight: 440; line-height: .88; letter-spacing: -.065em; }
.register__lede { max-width: 38ch; color: var(--blue-200); font-size: 1.05rem; }
.register__mini { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 3rem; }
.register__mini span { padding: .45rem .65rem; border: 1px solid rgba(177,196,220,.24); border-radius: 999px; color: var(--blue-200); font: .6rem var(--font-mono); letter-spacing: .1em; }
.register__panel { align-self: center; padding: clamp(1.5rem, 3vw, 3rem); border: 1px solid rgba(177,196,220,.2); border-radius: 18px; background: rgba(11,31,58,.5); backdrop-filter: blur(16px); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem 1.25rem; }
.form__heading { grid-column: 1 / -1; display: flex; justify-content: space-between; padding-bottom: 1rem; border-bottom: 1px solid rgba(177,196,220,.22); color: var(--blue-200); font: .66rem var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.field { min-width: 0; }
.field--wide { grid-column: 1 / -1; }
.field label { display: flex; justify-content: space-between; margin-bottom: .55rem; color: var(--blue-200); font: 500 .64rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.field label > span { color: var(--signal); }
.field label small { color: var(--blue-300); font: inherit; }
.field input, .field textarea { width: 100%; border: 0; border-bottom: 1px solid rgba(177,196,220,.3); border-radius: 0; outline: 0; padding: .7rem 0 .8rem; background: transparent; color: var(--white); font-size: 1.1rem; resize: vertical; transition: border-color .2s, box-shadow .2s; }
.field input::placeholder, .field textarea::placeholder { color: var(--blue-300); }
.field input:focus, .field textarea:focus { border-color: var(--signal); box-shadow: 0 1px 0 var(--signal); }
.field__error { min-height: 1rem; margin-top: .3rem; color: var(--danger); font: .65rem var(--font-mono); }
.form__submit { grid-column: 1 / -1; width: 100%; margin-top: .5rem; }
.form__submit-spinner { display: none; width: 16px; height: 16px; border: 2px solid rgba(1,5,30,.25); border-top-color: var(--blue-600); border-radius: 50%; animation: spin .7s linear infinite; }
.form__submit.is-loading .form__submit-icon { display: none; }
.form__submit.is-loading .form__submit-spinner { display: block; }
.form__status { grid-column: 1 / -1; min-height: 1.2rem; color: var(--danger); font: .7rem var(--font-mono); }
.success { min-height: 540px; flex-direction: column; justify-content: center; align-items: flex-start; }
.success:not([hidden]) { display: flex; }
.success > img { width: 90px; margin-bottom: 3rem; filter: drop-shadow(0 0 28px rgba(201,255,0,.25)); }
.success h3 { margin: .8rem 0 1.3rem; font-size: clamp(4rem, 7vw, 7rem); font-weight: 450; letter-spacing: -.06em; }
.success > p:not(.eyebrow) { max-width: 38ch; color: var(--blue-200); }
.success .text-link { margin-top: 3rem; }

.footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: end; gap: 2rem; padding: 3rem var(--page-pad); border-top: 1px solid rgba(177,196,220,.18); background: var(--blue-600); color: var(--blue-200); font: .65rem var(--font-mono); letter-spacing: .1em; text-transform: uppercase; }
.footer img { width: 105px; }
.footer div { display: flex; gap: 2rem; }
.footer a { justify-self: end; text-decoration: none; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.title-line.reveal { transform: none; }
.title-line.reveal > span { transform: translateY(110%); transition: transform 1.1s var(--ease); }
.title-line.reveal.is-visible > span { transform: translateY(0); }
.title-line:nth-child(2) > span { transition-delay: .08s; }
.title-line:nth-child(3) > span { transition-delay: .16s; }

@keyframes pulse { 50% { opacity: .35; box-shadow: 0 0 4px var(--signal); } }
@keyframes aurora { from { transform: translate3d(-2%, -1%, 0) rotate(-2deg) scale(1); } to { transform: translate3d(3%, 2%, 0) rotate(3deg) scale(1.08); } }
@keyframes float { 50% { transform: translate3d(-2vw, 2vh, 0) rotate(2deg); } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1000px) {
  .hero__footer { padding-left: 18%; }
  .event-ticket { width: 270px; top: 18%; }
  .night__headline { grid-template-columns: 1.15fr .65fr; }
  .venue { grid-template-columns: 1fr 1fr; }
  .register { grid-template-columns: 1fr; gap: 5rem; }
  .register__intro { min-height: 55vh; }
}

@media (max-width: 720px) {
  .nav { top: .75rem; left: .75rem; right: .75rem; grid-template-columns: 1fr auto; min-height: 58px; padding-left: 1rem; }
  .nav__meta { display: none; }
  .nav__cta { gap: 1rem; padding: .7rem .9rem; font-size: .75rem; }
  .nav__brand img { width: 82px; }
  .hero { min-height: 100svh; padding-top: 7.2rem; }
  .hero__topline { font-size: .58rem; }
  .hero__content { padding-top: 5rem; margin-top: 6vh; }
  .hero__title { font-size: clamp(3.4rem, 18vw, 6.4rem); line-height: .84; max-width: none; }
  .hero__footer { grid-template-columns: 1fr; padding-left: 0; }
  .hero__footer .button { width: 100%; }
  .event-ticket { position: relative; inset: auto; width: 100%; margin: 4rem 0 4.5rem; }
  .event-ticket__day { font-size: 5rem; }
  .hero__scroll { display: none; }
  .hero__mark { width: 100vw; right: -25vw; top: 16%; }
  .night { padding-block: 5rem 3rem; }
  .night__headline { grid-template-columns: 1fr; align-items: start; gap: 2rem; margin: 4rem 0; }
  .night__headline h2 { font-size: clamp(3.6rem, 17vw, 6.5rem); }
  .night__beats { grid-template-columns: 1fr; }
  .night__beat { min-height: auto; padding: 1.5rem 0 2rem; }
  .night__beat + .night__beat { padding-left: 0; border-left: 0; border-top: 1px solid var(--blue-200); }
  .night__beat h3 { margin-top: 1.5rem; }
  .venue { grid-template-columns: 1fr; }
  .venue__image-wrap { min-height: 70svh; }
  .venue__copy { min-height: 80svh; padding: 5rem var(--page-pad); }
  .venue__copy .eyebrow { margin-top: 5rem; }
  .venue__copy .text-link { margin-bottom: 0; }
  .register { padding-block: 6rem; }
  .register__intro { min-height: auto; }
  .register__intro .eyebrow { margin-top: 5rem; }
  .register__panel { margin-inline: 0; padding: 1.4rem; }
  .form { grid-template-columns: 1fr; }
  .field, .field--wide { grid-column: 1; }
  .form__submit, .form__status, .form__heading { grid-column: 1; }
  .footer { grid-template-columns: 1fr auto; align-items: center; }
  .footer div { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .title-line.reveal > span { transform: none; }
}

/* --- Mobile polish (added) --------------------------------------------------
 * 1) Arrow glyphs render as text, never colour emoji, even where a stray char
 *    slips past the HTML text-selector.
 * 2) Tap feedback on touch devices — :hover never fires on a phone, so give an
 *    :active state so buttons visibly respond to a tap.
 * 3) Belt-and-suspenders against any horizontal overflow from decorative layers. */
.nav__cta span, .button span, .text-link span, .hero__scroll span,
.form__submit-icon, .footer a { font-variant-emoji: text; }

@media (hover: none) {
  .button { transition: transform .12s var(--ease), background .12s, box-shadow .2s; }
  .button:active { transform: translateY(1px) scale(.99); }
  .button--signal:active { background: #b3e600; box-shadow: 0 8px 30px rgba(201,255,0,.22); }
  .nav__cta:active { background: var(--signal); }
  .text-link:active, .hero__scroll:active { opacity: .65; }
}

html, body { max-width: 100%; }
.hero, .register, .night, .venue { max-width: 100vw; }