/* ══════════════════════════════════════════════════════
   GANGNAM-KARAOKE.CLUB — Shared Design System
   CSS tokens copied from theperfectkaraoke.com
══════════════════════════════════════════════════════ */
:root {
  --color--perfect-black--100: black;
  --color--perfect-white--100: white;
  --color--perfect-white--60: #fff9;
  --color--perfect-white--20: #fff3;
  --color--perfect-white--10: #ffffff1a;
  --color--perfect-white--5:  #ffffff0d;
  --color--perfect-red:    #ff1903;
  --color--perfect-neon:   #857eff;
  --gradient--sky:         #54fcff;
  --gradient--purple:      #8f00ff;
  --color--perfect-paper:  #e3e3e3;
  --color--perfect-black--60: #0009;
  --color--perfect-black--20: #0003;
  --color--perfect-black--10: #0000001a;
  --color--perfect-black--5:  #0000000d;
  --size--1-xxs: 8px;  --size--2-xs: 12px; --size--3-s: 16px;
  --size--4-m:  20px;  --size--5-l:  40px; --size--6-xl: 60px;
  --size--7-xxl: 80px;
  --language--english: 'Michroma', sans-serif;
  --language--korean:  'Pretendard', Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; scroll-behavior: smooth; }
body {
  background-color: var(--color--perfect-black--100);
  color: var(--color--perfect-white--100);
  font-family: var(--language--korean);
  font-size: 20px; font-weight: 300; line-height: 30px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
p { max-width: 33em; margin-bottom: 0; font-weight: 300; line-height: 1.75em; }
a { color: var(--color--perfect-white--100); text-decoration: none; position: relative; z-index: 10; }
ul { margin: 0; padding-left: 1.3em; line-height: 1.75em; }
li { color: var(--color--perfect-white--60); margin-bottom: .5em; }

/* ── Typography ── */
.text--big-title { font-size: 3em; font-weight: 600; line-height: 1.4em; }
.text--big-title.hero { filter: drop-shadow(0px 2px 5px var(--color--perfect-white--60)); }
.text--title-2 { font-size: 36px; font-weight: 600; line-height: 1.4em; }
.text--title-3 { font-size: 28px; font-weight: 600; line-height: 1.5em; }
.text--title-4 { font-size: 24px; font-weight: 600; line-height: 1.5em; }
.text--subtitle-2 { font-size: 24px; font-weight: 500; line-height: 1.5em; }
.text--subtitle-3 { font-size: 20px; font-weight: 500; line-height: 1.5em; }
.text--caption { font-size: 16px; font-weight: 400; line-height: 1.3em; margin-bottom: 0; }
.text--secondary { opacity: .6; }
.text--sub { opacity: .6; }
.text--white { color: var(--color--perfect-white--100); }
.text--neon { color: var(--gradient--sky); text-shadow: 0 1px var(--size--4-m) var(--color--perfect-neon); }
.text--section-label {
  font-family: var(--language--english);
  color: var(--gradient--sky);
  letter-spacing: .02em; text-transform: uppercase;
  text-shadow: 0 1px var(--size--5-l) var(--gradient--sky);
  align-self: flex-start; font-size: 24px; font-style: italic; font-weight: 600; line-height: 1.3em;
}
.text-gradient {
  background-image: linear-gradient(135deg, var(--gradient--purple), var(--gradient--sky) 33%, var(--color--perfect-red) 66%, var(--color--perfect-white--100));
  font-family: var(--language--english); letter-spacing: .05em; text-transform: uppercase;
  -webkit-text-fill-color: transparent; -webkit-background-clip: text; background-clip: text;
  font-size: 2em; font-weight: 700; line-height: 1em;
}
.font--en { font-family: var(--language--english); }
.text--business-card-logo { font-family: var(--language--english); font-style: italic; font-weight: 400; line-height: 1em; }
.text--caption.text--footer-copyright { text-transform: uppercase; font-size: .6em; font-weight: 600; }
.text--caption.text--footer-business-type { opacity: .6; font-size: .6em; font-weight: 300; }
.text--caption.business-card { color: var(--color--perfect-black--100); }
.text--cross { color: var(--color--perfect-red); text-decoration: line-through; }

/* ── Tag ── */
.tag {
  padding: var(--size--1-xxs) var(--size--2-xs);
  background-color: var(--color--perfect-red);
  filter: drop-shadow(0px 2px var(--size--5-l) var(--color--perfect-red));
  outline: 1px solid var(--color--perfect-white--10);
  border-radius: 100px; display: inline-flex; align-items: baseline;
  font-size: .8em; font-weight: 600; line-height: 1em; color: white; text-decoration: none;
}
.tag.numbering { font-family: var(--language--english); font-style: italic; justify-content: center; align-items: center; width: 2em; height: 2em; padding: 0 .2em .1em 0; font-size: 1em; flex: none; }
.tag.sky { background-color: transparent; filter: none; outline: 1px solid var(--gradient--sky); color: var(--gradient--sky); }

/* ── Button ── */
.button {
  padding: var(--size--4-m) var(--size--5-l);
  background-image: linear-gradient(135deg, var(--gradient--purple), var(--color--perfect-red));
  filter: drop-shadow(0px 0px var(--size--5-l) var(--color--perfect-red));
  outline: 1px solid var(--color--perfect-white--20);
  text-align: center; border-radius: 100px;
  font-family: var(--language--korean); font-size: 1em; font-weight: 500; line-height: 1em;
  color: white; text-decoration: none;
  display: inline-flex; justify-content: center; align-items: center;
  min-width: 200px; min-height: 3.5em; cursor: pointer; border: none; transition: filter .2s;
}
.button:hover { filter: drop-shadow(0px 0px var(--size--4-m) var(--color--perfect-red)); }
.button.secondary { filter: none; background-image: none; background-color: transparent; outline: 1px solid var(--color--perfect-white--100); }
.button.secondary:hover { background-color: var(--color--perfect-white--5); }

/* ── Chip ── */
.chip.language { padding: var(--size--2-xs) var(--size--3-s); background-color: var(--color--perfect-black--60); border: 1px solid var(--color--perfect-white--20); border-radius: 50px; font-size: .75em; font-weight: 500; color: white; text-decoration: none; line-height: 1em; }

/* ── Section ── */
.section { display: flex; flex-direction: column; align-items: center; width: 100svw; position: relative; overflow: hidden; }
.section.hero { min-height: 80svh; background-image: linear-gradient(0deg, var(--color--perfect-black--100), rgba(33,33,33,.5) 50%, var(--color--perfect-black--100)), var(--hero-bg, url('')); background-position: 0 0, 50% 50%; background-size: auto, cover; justify-content: center; align-items: center; }
.section.with-bg { background-image: linear-gradient(135deg, #ffffff0d, #fff0 50%); }
.section.footer { background-color: var(--color--perfect-white--10); z-index: 990; }
.section.cta { position: fixed; left: var(--size--5-l); bottom: var(--size--5-l); top: auto; right: auto; z-index: 991; padding: var(--size--2-xs); border: 1px solid var(--color--perfect-white--10); background-color: var(--color--perfect-white--10); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-radius: 50px; flex-direction: row; width: auto; box-shadow: 0 10px 10px var(--color--perfect-black--20); }
.section.cta .button { min-width: auto; min-height: auto; padding: var(--size--2-xs) var(--size--4-m); font-size: .85em; }
.section.logo { position: fixed; top: 0; left: 0; z-index: 900; pointer-events: none; width: auto; padding: var(--size--4-m) var(--size--5-l); }

/* ── Container ── */
.container { padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--5-l); width: 100%; max-width: 1440px; position: relative; z-index: 10; }
.container.hero { text-align: center; align-items: center; padding-top: 12em; padding-bottom: 6em; }
.container.footer { flex-direction: row; flex-wrap: wrap; justify-content: space-between; align-items: center; text-align: center; min-height: 16rem; gap: var(--size--4-m); }

/* ── Graphics ── */
.wrapper--section-label { display: flex; flex-direction: column; gap: 1em; }
.graphic--section-line { background-image: linear-gradient(90deg, var(--gradient--sky), #54fcff00); width: 0%; height: 1px; transition: width 1s ease; }
.graphic--section-line.opposite { background-image: linear-gradient(90deg, #54fcff00, var(--gradient--sky)); }
.graphic--section-line.active { width: 100%; }
.divider--h { background-color: var(--color--perfect-white--10); width: 100%; height: 1px; }
.graphic--hero-line { background-color: var(--color--perfect-white--100); width: 1px; height: 60px; }
.image--grain { position: absolute; inset: 0; z-index: 0; opacity: .4; pointer-events: none; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.07'/%3E%3C/svg%3E"); background-size: 128px 128px; }

/* ── Menu ── */
.menu { position: fixed; top: 0; right: 0; z-index: 999; padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--1-xxs); align-items: flex-end; cursor: pointer; background: none; border: none; }
.icon--menu { display: flex; flex-direction: column; gap: 2px; align-items: flex-end; }
.graphic--menu { background-color: var(--color--perfect-white--100); height: 2px; border-radius: 1px; }
.graphic--menu.top { width: 14px; } .graphic--menu.mid { width: 18px; } .graphic--menu.bot { width: 10px; }
.text--menu { font-size: .8em; font-weight: 600; line-height: 1em; }
.menu-overlay { position: fixed; inset: 0; z-index: 998; display: none; background: var(--color--perfect-black--60); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.menu-overlay.open { display: block; }
.menu-container { position: fixed; top: 0; right: 0; z-index: 999; min-width: 300px; padding: var(--size--5-l); display: none; flex-direction: column; align-items: flex-end; gap: var(--size--5-l); background-image: linear-gradient(135deg, rgba(143,0,255,.65), rgba(255,25,3,.65)); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); outline: 1px solid var(--color--perfect-white--20); border-radius: 0 0 0 var(--size--4-m); }
.menu-container.open { display: flex; }
.wrapper--menu-heading { display: flex; align-items: center; gap: var(--size--2-xs); }
.wrapper--menu-buttons { display: flex; flex-direction: column; gap: var(--size--3-s); align-items: flex-end; width: 100%; }
.link--menu { text-align: right; font-size: .9em; font-weight: 500; color: white; text-decoration: none; padding: .5em 0; border-bottom: 1px solid transparent; transition: border-color .2s; display: block; }
.link--menu:hover { border-bottom-color: white; }
.wrapper--language-options { display: flex; gap: var(--size--1-xxs); }

/* ── Layout ── */
.wrapper--texts--v { display: flex; flex-direction: column; gap: 1em; }
.wrapper--texts--v._0-5em { gap: .5em; } .wrapper--texts--v._1-xxs { gap: var(--size--1-xxs); } .wrapper--texts--v.left { align-items: flex-start; }
.wrapper--texts--h { display: flex; align-items: baseline; gap: 1em; flex-wrap: wrap; }
.wrapper--texts--h.hero-heading { flex-direction: column; justify-content: center; align-items: center; gap: var(--size--4-m); }
.wrapper--blocks--v { display: flex; flex-direction: column; gap: var(--size--4-m); align-items: flex-start; }
.wrapper--blocks--v._5-l { gap: var(--size--5-l); } .wrapper--blocks--v._1-xxs { gap: var(--size--1-xxs); } .wrapper--blocks--v._0-5em { gap: .5em; } .wrapper--blocks--v.stretch { align-items: stretch; }
.wrapper--blocks--h { display: flex; gap: var(--size--5-l); align-items: stretch; width: 100%; }
.wrapper--section-contents { display: grid; grid-template-columns: 1fr 1fr; gap: var(--size--5-l); align-items: start; margin-top: var(--size--4-m); }
.wrapper--feature { display: flex; gap: var(--size--4-m); }
.wrapper--tag-left { align-self: flex-start; display: flex; flex-wrap: wrap; gap: .4em; }
.wrapper--sub-section-title { display: flex; justify-content: center; align-items: center; gap: var(--size--1-xxs); }

/* ── Cards ── */
.card--room { border: 1px solid var(--color--perfect-white--10); border-radius: var(--size--4-m); display: flex; flex-direction: column; overflow: hidden; transition: border-color .3s, transform .25s; }
.card--room:hover { border-color: rgba(255,25,3,.35); transform: translateY(-3px); }
.wrapper--room-contents { padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--4-m); background-color: var(--color--perfect-white--10); flex: 1; }
.card--info { padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--4-m); border: 1px solid var(--color--perfect-white--10); border-radius: var(--size--4-m); background-image: linear-gradient(135deg, var(--color--perfect-white--10), var(--color--perfect-white--5)); }
.card--vip-cars { padding: var(--size--4-m); display: flex; flex-direction: column; gap: var(--size--4-m); border-radius: var(--size--5-l); outline: 1px solid var(--color--perfect-white--10); text-align: center; background-image: linear-gradient(135deg, #ffffff1a, #ffffff05); }

/* ── Business Card ── */
.wrapper--business-card { border-radius: var(--size--5-l); background-image: linear-gradient(135deg, var(--color--perfect-neon), var(--color--perfect-red)); outline: 1px solid var(--color--perfect-white--10); width: 100%; max-width: 28em; padding: 4px; position: relative; }
.wrapper--business-card.left { background-image: linear-gradient(135deg, #5cdeff, #b3ff4a); color: var(--color--perfect-black--100); }
.wrapper--business-card-inner { padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--5-l); border-radius: calc(var(--size--5-l) - 4px); background-color: #040404; position: relative; z-index: 10; }
.wrapper--business-card.left .wrapper--business-card-inner { background-color: #f8f4ec; }
.wrapper--contact-details { display: grid; grid-template-columns: max-content auto; gap: var(--size--4-m); align-items: baseline; }
.text--henry { font-size: 1.3em; line-height: 1em; font-weight: 700; }
.text--henry.business-card { color: var(--color--perfect-black--100); letter-spacing: .1em; font-weight: 600; }
.text--team-henry { font-family: var(--language--english); color: var(--color--perfect-white--100); letter-spacing: .05em; text-shadow: 0 1px var(--size--3-s) var(--color--perfect-white--100); font-style: italic; line-height: 1em; }
.text--team-henry.footer { font-size: .8em; }

/* ── FAQ ── */
.wrapper--q-as { display: flex; flex-direction: column; gap: var(--size--4-m); }
.wrapper--q-a { display: flex; flex-direction: column; width: 100%; }
.wrapper--question { padding-bottom: var(--size--4-m); border-bottom: 1px solid var(--color--perfect-white--10); cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: none; border: none; border-bottom: 1px solid var(--color--perfect-white--10); width: 100%; text-align: left; color: white; font-size: 1em; font-weight: 500; font-family: var(--language--korean); transition: color .2s; }
.wrapper--question:hover { color: var(--gradient--sky); }
.icon--chevron { width: 20px; height: 20px; flex-shrink: 0; transition: transform .3s; stroke: currentColor; fill: none; stroke-width: 2; overflow: visible; }
.wrapper--q-a.open .icon--chevron { transform: rotate(180deg); }
.wrapper--answer { max-height: 0; overflow: hidden; transition: max-height .4s ease; background-color: var(--color--perfect-white--5); border-radius: 0 0 var(--size--3-s) var(--size--3-s); }
.wrapper--q-a.open .wrapper--answer { max-height: 400px; }
.wrapper--answer-inner { padding: var(--size--4-m); font-size: .9em; line-height: 1.8; opacity: .8; }

/* ── Pricing ── */
.wrapper--pricing-chart { display: grid; grid-template-columns: 1fr 1fr 1fr; border-right: 1px solid var(--color--perfect-white--10); border-bottom: 1px solid var(--color--perfect-white--10); width: 100%; }
.wrapper--cell { padding: var(--size--3-s); border-top: 1px solid var(--color--perfect-white--10); border-left: 1px solid var(--color--perfect-white--10); background-color: var(--color--perfect-white--5); display: flex; flex-wrap: wrap; align-items: center; gap: .5em; font-weight: 500; }
.wrapper--cell.header { background-color: var(--color--perfect-white--10); flex-direction: column; justify-content: center; align-items: flex-start; }
.wrapper--cell.align--center { text-align: center; place-content: center; align-items: center; }

/* ── Form ── */
.form { padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--4-m); border-radius: var(--size--5-l); background-color: var(--color--perfect-white--5); outline: 1px solid var(--color--perfect-white--10); }
.input-field { border: 1px solid var(--color--perfect-white--5); border-radius: var(--size--2-xs); background-color: var(--color--perfect-white--10); color: var(--color--perfect-white--100); width: 100%; height: 3em; padding: 1em; font-size: 1em; font-family: var(--language--korean); font-weight: 400; line-height: 1em; transition: border-color .2s; }
.input-field::placeholder { color: var(--color--perfect-white--60); }
.input-field:focus { outline: none; border-color: var(--gradient--sky); box-shadow: 0 0 0 1px var(--gradient--sky); }
.form-message { padding: var(--size--4-m); border-radius: var(--size--3-s); display: none; outline: 1px solid #24a148; background-color: rgba(36,161,72,.1); }

/* ── Footer ── */
.footer-menus { display: flex; gap: 1em; font-size: .65em; opacity: .6; flex-wrap: wrap; justify-content: center; }
.footer-menus a { color: white; } .footer-menus a:hover { opacity: 1; text-decoration: underline; }
.wrapper--footer-texts { display: flex; gap: .5em; justify-content: center; align-items: baseline; }

/* ── Breadcrumb ── */
.breadcrumb-bar { width: 100%; padding: .75rem var(--size--5-l); font-size: .75em; color: var(--color--perfect-white--60); border-bottom: 1px solid var(--color--perfect-white--10); }
.breadcrumb-bar a { color: var(--color--perfect-white--60); }
.breadcrumb-bar a:hover { color: var(--gradient--sky); }

/* ── Review Stars ── */
.stars { color: #ffd700; letter-spacing: 2px; filter: drop-shadow(0 0 6px rgba(255,215,0,.5)); }
.review-card { padding: var(--size--5-l); display: flex; flex-direction: column; gap: var(--size--4-m); border: 1px solid var(--color--perfect-white--5); border-radius: var(--size--5-l); background-color: var(--color--perfect-white--5); position: relative; }
.review-card::before { content: '"'; position: absolute; top: var(--size--4-m); right: var(--size--5-l); font-size: 5em; line-height: 1; color: var(--color--perfect-white--10); font-family: serif; }

/* ── Keyword Table ── */
.kw-table { width: 100%; border-collapse: collapse; font-size: .85em; }
.kw-table th { background: var(--color--perfect-white--10); color: var(--gradient--sky); font-family: var(--language--english); letter-spacing: .08em; text-transform: uppercase; padding: .9rem 1.2rem; text-align: left; border-bottom: 1px solid var(--color--perfect-white--10); }
.kw-table td { padding: .8rem 1.2rem; border-bottom: 1px solid var(--color--perfect-white--10); color: var(--color--perfect-white--60); }
.kw-table tr:hover td { background: var(--color--perfect-white--5); color: white; }
.kw-table td:first-child { color: white; font-weight: 500; }
.vol-high { display: inline-block; padding: .15rem .55rem; border-radius: 100px; font-size: .8em; font-weight: 600; background: rgba(255,25,3,.2); color: #ff7b6b; filter: drop-shadow(0 0 6px rgba(255,25,3,.4)); }
.vol-mid  { display: inline-block; padding: .15rem .55rem; border-radius: 100px; font-size: .8em; font-weight: 600; background: rgba(84,252,255,.1); color: var(--gradient--sky); }

/* ── Scroll Reveal ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@keyframes fadeUp { from { opacity:0; transform: translateY(28px); } to { opacity:1; transform: translateY(0); } }
.anim { animation: fadeUp .8s ease both; }
.d1{animation-delay:.1s;} .d2{animation-delay:.25s;} .d3{animation-delay:.4s;} .d4{animation-delay:.55s;}

/* ══════════════════════════════
   RESPONSIVE
══════════════════════════════ */
@media (max-width: 991px) {
  :root { --size--5-l:30px; --size--4-m:15px; --size--3-s:12px; }
  body { font-size: 16px; line-height: 24px; }
  .text--title-2 { font-size: 28px; } .text--title-3 { font-size: 24px; }
  .text--subtitle-3 { font-size: 16px; } .text--caption { font-size: 14px; }
  .wrapper--section-contents { grid-template-columns: 1fr; }
  .wrapper--blocks--h { flex-wrap: wrap; }
}
@media (max-width: 767px) {
  :root { --size--5-l:20px; --size--4-m:10px; --size--3-s:8px; }
  body { font-size: 14px; line-height: 21px; }
  .text--big-title { font-size: 2.2em; } .text--title-2 { font-size: 22px; }
  .text--section-label { font-size: 16px; }
  .section.cta { left: var(--size--4-m); bottom: var(--size--4-m); }
  .section.logo { padding: var(--size--3-s) var(--size--4-m); }
  .menu { padding: var(--size--4-m); }
  .text-gradient { font-size: 1.2em; }
  .button { width: 100%; }
  .wrapper--pricing-chart { grid-template-columns: 1fr 1fr; }
  .wrapper--contact-details { grid-template-columns: max-content 1fr; }
}
@media (max-width: 479px) {
  .text--big-title { font-size: 1.8em; }
  .kw-table th, .kw-table td { padding: .6rem .7rem; }
}