:root {
  --ink: #06152c;
  --ink-deep: #030d1d;
  --blue: #1768d8;
  --sky: #63d2f0;
  --paper: #f5f7fa;
  --white: #ffffff;
  --line: #b9c6d5;
  --muted: #667386;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Pretendard, SUIT, "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  word-break: keep-all;
}

a { color: inherit; }
a:focus-visible {
  outline: 3px solid var(--sky);
  outline-offset: 4px;
}
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
[id] { scroll-margin-top: 24px; }

.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 100;
  background: var(--white);
  color: var(--ink);
  padding: 10px 14px;
}
.skip-link:focus { top: 16px; }

.site-header {
  position: absolute;
  inset: 0 0 auto 58%;
  z-index: 10;
  height: 88px;
  padding: 0 clamp(24px, 4vw, 68px);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgb(255 255 255 / 28%);
}
.wordmark {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-decoration: none;
}
.wordmark span + span { color: var(--sky); }
.site-header nav { display: flex; gap: 34px; }
.site-header nav a {
  font-size: 13px;
  letter-spacing: .04em;
  text-decoration: none;
}
.site-header nav a:hover,
.site-header nav a:focus-visible { color: var(--sky); }
.mobile-header-date { display: none; }

.hero {
  min-height: 850px;
  background: var(--ink-deep);
  color: var(--white);
  display: grid;
  grid-template-columns: minmax(0, 58%) minmax(420px, 42%);
}
.hero-visual { min-height: 850px; overflow: hidden; }
.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: left center;
}
.hero-copy {
  padding: 150px clamp(44px, 5vw, 84px) 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    linear-gradient(90deg, rgb(13 43 84 / 45%), transparent 12%),
    var(--ink-deep);
}
.eyebrow, .label {
  margin: 0;
  color: var(--sky);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .2em;
}
.section-kicker {
  margin: 0;
  color: var(--blue);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: -.01em;
}
.hero h1 {
  margin: 24px 0 22px;
  font-size: clamp(44px, 4.4vw, 68px);
  line-height: 1.03;
  letter-spacing: -.06em;
  font-weight: 800;
}
.hero-intro { margin: 0 0 36px; max-width: 37em; color: #cad5e4; font-size: 17px; }
.hero-date {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 19px 0;
  border-top: 1px solid rgb(255 255 255 / 42%);
  border-bottom: 1px solid rgb(255 255 255 / 42%);
}
.hero-date time { font: 700 clamp(29px, 3vw, 44px)/1 "Arial Narrow", Arial, sans-serif; letter-spacing: -.03em; }
.hero-date span { color: var(--sky); font-size: 13px; font-weight: 700; }
.hero-facts { margin: 24px 0 36px; display: grid; gap: 13px; }
.hero-facts div { display: grid; grid-template-columns: 92px 1fr; }
.hero-facts dt { color: #8fa4bd; font-size: 13px; }
.hero-facts dd { margin: 0; font-weight: 650; }
.primary-action {
  align-self: flex-start;
  min-width: 220px;
  padding: 17px 0;
  color: var(--white);
  text-decoration: none;
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid var(--sky);
  font-weight: 750;
}
.primary-action:hover span:last-child,
.primary-action:focus-visible span:last-child { transform: translateY(4px); }
.primary-action span:last-child { transition: transform .2s ease; }

.intro-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 132px clamp(24px, 6vw, 96px) 118px;
  display: grid;
  grid-template-columns: minmax(360px, .9fr) minmax(320px, 1fr);
  gap: 4vw;
}
.intro-section h2,
.venue-copy h2,
.ticket-heading h2,
.reservation-heading h2 {
  margin: 17px 0 0;
  font-size: clamp(36px, 3.3vw, 54px);
  line-height: 1.12;
  letter-spacing: -.055em;
}
.intro-body { padding-top: 23px; font-size: 18px; color: #334156; }
.intro-body p { margin: 0 0 28px; }
.deadline-note {
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
}
.deadline-note strong { color: var(--blue); }

.schedule-band {
  max-width: calc(var(--max) - 80px);
  margin: 0 auto 132px;
  padding: 30px 0;
  display: grid;
  grid-template-columns: .8fr 1fr 1.45fr;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.schedule-band > div { padding: 0 32px; border-right: 1px solid var(--line); }
.schedule-band > div:first-child { padding-left: 0; }
.schedule-band > div:last-child { border: 0; }
.schedule-band .label { display: block; margin-bottom: 9px; color: var(--blue); }
.schedule-band strong { font-size: 17px; }

.venue-section {
  background: var(--white);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(380px, .65fr);
}
.venue-image { position: relative; min-height: 630px; overflow: hidden; }
.venue-image img { width: 100%; height: 100%; object-fit: cover; }
.image-caption {
  position: absolute;
  left: 30px;
  bottom: 24px;
  padding: 7px 10px;
  background: rgb(3 13 29 / 88%);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
}
.venue-copy {
  padding: 72px clamp(36px, 5vw, 84px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.venue-copy h2 { margin-bottom: 34px; }
.venue-copy address { color: #4f5c6d; font-size: 16px; font-style: normal; }
.text-link {
  margin-top: 34px;
  padding: 10px 0;
  align-self: flex-start;
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.ticket-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 132px clamp(24px, 6vw, 96px);
  display: grid;
  grid-template-columns: minmax(300px, .62fr) minmax(480px, 1fr);
  column-gap: 9vw;
}
.ticket-heading { grid-row: span 2; }
.ticket-heading h2 { max-width: 6em; }
.price-lines { border-top: 2px solid var(--ink); }
.price-line {
  min-height: 128px;
  padding: 24px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  border-bottom: 1px solid var(--line);
}
.price-line .label { color: var(--ink); }
.price-line.featured .label { color: var(--blue); }
.price-line p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.price-line strong { color: var(--ink); font: 700 38px/1 Arial, sans-serif; letter-spacing: -.04em; }
.price-line small { font-size: 14px; margin-left: 5px; }
.featured strong { color: var(--blue); }
.seat-flow { margin-top: 62px; display: grid; grid-template-columns: 1.05fr .95fr; gap: 52px; }
.seat-flow ol { list-style: none; margin: 0; padding: 0; }
.seat-flow li { display: grid; grid-template-columns: 44px 1fr; gap: 20px; margin-bottom: 27px; }
.seat-flow li > span { color: var(--blue); font: 700 11px/1 Arial, sans-serif; padding-top: 6px; }
.seat-flow strong { font-size: 17px; }
.seat-flow p { margin: 4px 0 0; color: var(--muted); font-size: 14px; line-height: 1.55; }
.seat-notes { padding-left: 32px; border-left: 1px solid var(--line); }
.seat-notes p { margin: 0 0 18px; }
.seat-notes p:first-child { color: var(--ink); }

.reservation-section {
  background: var(--ink-deep);
  color: var(--white);
  padding: 124px clamp(20px, 5vw, 72px) 90px;
}
.reservation-heading {
  max-width: 1280px;
  margin: 0 auto 54px;
  display: grid;
  grid-template-columns: minmax(320px, .7fr) minmax(320px, 1fr);
  column-gap: 4vw;
  align-items: start;
}
.reservation-heading .section-kicker { grid-column: 1; }
.reservation-heading h2 { grid-column: 1; }
.reservation-heading > p { grid-column: 2; margin: 3px 0 18px; color: #c3cede; }
.reservation-heading .reservation-caution {
  margin-top: 0;
  padding-top: 18px;
  border-top: 1px solid #3f5068;
  color: var(--white);
  font-size: 14px;
}
.payment-account {
  grid-column: 2;
  margin-top: 8px;
  padding: 20px 0 0;
  border-top: 1px solid #3f5068;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  column-gap: 24px;
  align-items: center;
}
.payment-account > div { min-width: 0; }
.payment-account > div > span {
  display: block;
  margin-bottom: 8px;
  color: #9eb0c6;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
}
.payment-account strong {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 10px;
  align-items: baseline;
  color: var(--white);
  font-size: 18px;
}
.payment-account b {
  color: #bfeaff;
  font: 700 22px/1.2 Arial, sans-serif;
  letter-spacing: .01em;
}
.payment-account em { color: #c3cede; font-size: 14px; font-style: normal; }
.copy-account,
.show-form-result {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}
.copy-account { color: var(--white); }
.copy-status {
  grid-column: 1 / -1;
  min-height: 18px;
  margin: 7px 0 0;
  color: #bfeaff;
  font-size: 12px;
}
.form-shell { max-width: 980px; margin: 0 auto; background: var(--white); color: var(--ink); }
.form-toolbar {
  min-height: 56px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #dbe1e9;
  font-size: 13px;
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--white);
}
.form-toolbar a {
  min-height: 44px;
  color: var(--blue);
  display: flex;
  align-items: center;
  text-decoration: none;
}
.form-shell iframe {
  display: block;
  width: 100%;
  height: 2860px;
  border: 0;
  background: #eef5f8;
}
.form-finish-help {
  min-height: 102px;
  padding: 22px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid #dbe1e9;
  background: #eef5f8;
}
.form-finish-help strong { font-size: 14px; }
.form-finish-help p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.form-finish-help .show-form-result { flex: 0 0 auto; color: var(--blue); }
.form-update-alert {
  position: fixed;
  left: 50%;
  bottom: 22px;
  z-index: 80;
  width: min(680px, calc(100% - 32px));
  min-height: 72px;
  padding: 12px 56px 12px 18px;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  color: var(--ink);
  border: 1px solid #cdd6e2;
  box-shadow: 0 12px 34px rgb(4 20 40 / 22%);
}
.form-update-alert[hidden] { display: none; }
.form-update-alert p { flex: 1; margin: 0; font-size: 13px; line-height: 1.45; }
.form-update-alert .show-form-result { flex: 0 0 auto; color: var(--blue); }
.dismiss-form-alert {
  position: absolute;
  top: 8px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 24px;
  cursor: pointer;
}

footer {
  min-height: 112px;
  padding: 0 clamp(24px, 5vw, 72px);
  background: var(--ink-deep);
  color: #7f91a8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #26374e;
  font-size: 11px;
  letter-spacing: .12em;
}
footer a {
  min-height: 44px;
  color: var(--white);
  display: flex;
  align-items: center;
  text-decoration: none;
}
.mobile-reserve { display: none; }

@media (max-width: 980px) {
  .site-header { left: 51%; }
  .hero { grid-template-columns: 51% 49%; min-height: 780px; }
  .hero-visual { min-height: 780px; }
  .hero-copy { padding-inline: 36px; }
  .intro-section { grid-template-columns: 1fr 1fr; }
  .ticket-section { grid-template-columns: 1fr; }
  .ticket-heading { grid-row: auto; margin-bottom: 62px; }
  .ticket-heading h2 { max-width: none; }
  .venue-section { grid-template-columns: 1.35fr .65fr; }
  .venue-copy { padding-inline: 40px; }
  .reservation-heading { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  html { scroll-behavior: auto; }
  body { padding-bottom: calc(72px + env(safe-area-inset-bottom)); }
  .site-header { display: none; }

  .hero { display: block; min-height: auto; }
  .hero-visual {
    height: auto;
    min-height: 0;
    max-height: none;
    aspect-ratio: 1080 / 980;
  }
  .hero-visual img { object-position: left top; }
  .hero-copy { padding: 40px 22px 54px; background: var(--ink-deep); }
  .hero .eyebrow { display: none; }
  .hero h1 {
    order: 1;
    margin: 0 0 28px;
    font-size: clamp(36px, 10.5vw, 40px);
    line-height: 1.08;
  }
  .hero-date { order: 2; }
  .hero-facts { order: 3; margin-bottom: 26px; }
  .hero-intro { order: 4; margin-bottom: 0; }
  .hero-intro { font-size: 16px; }
  .hero-date time { font-size: 34px; }
  .primary-action { display: none; }

  .intro-section {
    padding: 68px 22px 62px;
    grid-template-columns: 1fr;
    gap: 0;
  }
  .intro-section h2,
  .venue-copy h2,
  .ticket-heading h2,
  .reservation-heading h2 { font-size: 36px; }
  .intro-body { padding-top: 30px; font-size: 16px; }

  .schedule-band {
    margin: 0 22px 68px;
    padding: 0;
    display: block;
  }
  .schedule-band > div,
  .schedule-band > div:first-child {
    padding: 21px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .schedule-band > div:last-child { border-bottom: 0; }

  .venue-section { display: flex; flex-direction: column; }
  .venue-image { min-height: 0; aspect-ratio: 3 / 2; order: 2; }
  .venue-copy { padding: 68px 22px 42px; order: 1; }
  .venue-copy h2 { margin-bottom: 28px; }
  .image-caption { left: 16px; bottom: 14px; }

  .ticket-section { padding: 68px 22px; }
  .ticket-heading { margin-bottom: 34px; }
  .price-line { min-height: 112px; gap: 16px; }
  .price-line p { max-width: 14em; }
  .price-line strong { font-size: 30px; }
  .seat-flow { margin-top: 38px; grid-template-columns: 1fr; gap: 20px; }
  .seat-notes { padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--line); }

  .reservation-section { padding: 68px 12px 42px; }
  .reservation-heading { margin: 0 10px 42px; grid-template-columns: 1fr; }
  .reservation-heading .section-kicker,
  .reservation-heading h2,
  .reservation-heading > p,
  .payment-account { grid-column: 1; }
  .reservation-heading h2 { margin-bottom: 28px; }
  .payment-account { grid-template-columns: 1fr auto; column-gap: 14px; }
  .payment-account b { font-size: 19px; }
  .form-toolbar { padding: 0 14px; }
  .form-shell iframe { height: 3050px; }
  .form-finish-help { padding: 18px 14px; align-items: flex-start; flex-direction: column; gap: 14px; }
  .form-finish-help .show-form-result { width: 100%; }
  .form-update-alert {
    bottom: calc(12px + env(safe-area-inset-bottom));
    width: calc(100% - 24px);
    padding: 16px 50px 16px 16px;
    display: grid;
    gap: 10px;
  }
  .form-update-alert .show-form-result { width: 100%; }

  footer { padding-inline: 22px; }
  footer p { max-width: 17em; }
  .mobile-reserve {
    position: fixed;
    inset: auto 0 0;
    z-index: 50;
    min-height: calc(72px + env(safe-area-inset-bottom));
    padding: 0 20px env(safe-area-inset-bottom);
    background: var(--blue);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    box-shadow: 0 -1px 0 rgb(255 255 255 / 20%);
    transition: transform .22s ease, visibility .22s ease;
  }
  .mobile-reserve.is-at-form {
    transform: translateY(110%);
    visibility: hidden;
    pointer-events: none;
  }
  .mobile-reserve > span {
    min-width: 0;
    display: flex;
    align-items: baseline;
    gap: 9px;
    font-weight: 800;
  }
  .mobile-reserve small { color: #bfeaff; font-size: 12px; letter-spacing: .02em; }
  .mobile-reserve > strong {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
    font-size: 14px;
  }
  .mobile-reserve > strong span { display: inline; }
}

@media (max-width: 374px) {
  .price-line strong { font-size: 28px; }
  .form-shell iframe { height: 3340px; }
}

@media (min-width: 420px) and (max-width: 720px) {
  .form-shell iframe { height: 2940px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

@media (prefers-contrast: more) {
  :root { --line: #6c7888; --muted: #3e4a59; }
}
