/* ==========================================================================
   82MAJOR INTERACTIVE ARCHIVE - CYBER STREET HIP-HOP DESIGN SYSTEM
   PRO ULTIMATE EDITION
   ========================================================================== */

:root {
  /* Core Colors */
  --bg-core: #09090d;
  --bg-surface: #101017;
  --bg-card: rgba(20, 20, 29, 0.8);
  --bg-card-hover: rgba(28, 28, 42, 0.95);
  --bg-glass: rgba(18, 18, 26, 0.7);

  /* Hip-hop Accent Colors */
  --neon-lime: #ceff00;
  --neon-lime-glow: rgba(206, 255, 0, 0.45);
  --crimson-red: #ff2a54;
  --crimson-glow: rgba(255, 42, 84, 0.45);
  --electric-cyan: #00f0ff;
  --electric-cyan-glow: rgba(0, 240, 255, 0.4);
  --acid-purple: #9d00ff;
  --gold-trophy: #ffb800;

  /* Text & Border */
  --text-main: #f5f5f7;
  --text-muted: #8e8e9f;
  --text-dim: #5c5c6e;
  --border-subtle: rgba(255, 255, 255, 0.09);
  --border-active: rgba(206, 255, 0, 0.55);

  /* Fonts */
  --font-display: 'Syne', 'Bebas Neue', sans-serif;
  --font-sans: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --anim-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --anim-mid: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --anim-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-core);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
  line-height: 1.6;
  background-color: var(--bg-core);
  background-image: 
    radial-gradient(circle at 12% 18%, rgba(206, 255, 0, 0.035) 0%, transparent 40%),
    radial-gradient(circle at 88% 82%, rgba(255, 42, 84, 0.045) 0%, transparent 45%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  overflow-x: hidden;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-core);
}
::-webkit-scrollbar-thumb {
  background: #252535;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-lime);
}

/* CRT Scanline Overlay */
.scanlines {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.28) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.02), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.02));
  background-size: 100% 3px, 4px 100%;
  z-index: 999;
  opacity: 0.65;
}

/* Interactive Canvas & Glow */
#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section-padding {
  padding: 120px 0;
}

.section-head {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--neon-lime);
  background: rgba(206, 255, 0, 0.08);
  border: 1px solid var(--border-active);
  border-radius: 999px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.5px;
  line-height: 1.15;
  color: #ffffff;
}

.section-title span {
  color: var(--neon-lime);
  text-shadow: 0 0 25px var(--neon-lime-glow);
}

.section-sub {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

/* Street Marquee Ticker */
.marquee-band {
  background: var(--neon-lime);
  color: #000;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  padding: 10px 0;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 2px;
  transform: rotate(-1.2deg) scale(1.02);
  margin: 40px 0;
  box-shadow: 0 0 30px var(--neon-lime-glow);
  z-index: 10;
  position: relative;
}

.marquee-content {
  display: inline-block;
  animation: marquee 22s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   HEADER NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: rgba(9, 9, 13, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  transition: background var(--anim-mid), height var(--anim-mid);
}

.site-header.scrolled {
  height: 68px;
  background: rgba(9, 9, 13, 0.96);
  border-bottom-color: rgba(206, 255, 0, 0.25);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-badge {
  background: var(--neon-lime);
  color: #000000;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  padding: 4px 10px;
  border-radius: 4px;
  transform: skew(-8deg);
  display: inline-block;
  letter-spacing: 1px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: 1px;
  color: #ffffff;
}

.brand-name span {
  color: var(--crimson-red);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-muted);
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: color var(--anim-fast);
  position: relative;
  padding: 8px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-lime);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-lime);
  box-shadow: 0 0 8px var(--neon-lime-glow);
  transition: width var(--anim-mid);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-beatpad-toggle {
  background: rgba(206, 255, 0, 0.1);
  border: 1px solid var(--neon-lime);
  color: var(--neon-lime);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--anim-fast);
  transform: skew(-6deg);
  text-decoration: none;
}

.btn-beatpad-toggle:hover {
  background: var(--neon-lime);
  color: #000;
  box-shadow: 0 0 25px var(--neon-lime-glow);
}

.btn-stuck-trigger {
  background: rgba(255, 42, 84, 0.12);
  border: 1px solid var(--crimson-red);
  color: var(--crimson-red);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 800;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--anim-fast);
  transform: skew(-6deg);
}

.btn-stuck-trigger:hover {
  background: var(--crimson-red);
  color: #fff;
  box-shadow: 0 0 20px var(--crimson-glow);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 42, 84, 0.1);
  border: 1px solid rgba(255, 42, 84, 0.4);
  color: var(--crimson-red);
  padding: 6px 14px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

.hero-title .glow-lime {
  color: var(--neon-lime);
  text-shadow: 0 0 35px var(--neon-lime-glow);
}

.hero-title .outline-text {
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 255, 255, 0.75);
  letter-spacing: 1px;
}

.hero-slogan {
  font-size: 1.25rem;
  font-weight: 600;
  color: #ececf7;
  margin-bottom: 16px;
  line-height: 1.5;
}

.hero-desc {
  font-size: 0.98rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 36px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.btn-primary {
  background: var(--neon-lime);
  color: #000000;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.5px;
  padding: 14px 28px;
  border-radius: 4px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 0 25px var(--neon-lime-glow);
  transform: skew(-6deg);
  transition: all var(--anim-fast);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: skew(-6deg) translateY(-2px);
  background: #d8ff26;
  box-shadow: 0 0 35px rgba(206, 255, 0, 0.65);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid var(--border-subtle);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  padding: 14px 26px;
  border-radius: 4px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(8px);
  transform: skew(-6deg);
  transition: all var(--anim-fast);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--electric-cyan);
  color: var(--electric-cyan);
  box-shadow: 0 0 20px var(--electric-cyan-glow);
}

/* Hero Media Visualizer */
.hero-visual-wrap {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.75);
  background: var(--bg-surface);
}

.hero-image-frame img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: center 20%;
  display: block;
  filter: contrast(1.08) saturate(1.1);
  transition: transform var(--anim-mid);
}

.hero-image-frame:hover img {
  transform: scale(1.03);
}

.hero-badge-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(12px);
  padding: 16px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-badge-item {
  display: flex;
  flex-direction: column;
}

.hero-badge-item .badge-label {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-badge-item .badge-val {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--neon-lime);
}

/* Metric Counter Strip */
.stats-strip {
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(16, 16, 24, 0.7);
  backdrop-filter: blur(12px);
  padding: 40px 0;
  margin-top: -30px;
  position: relative;
  z-index: 5;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  border-left: 2px solid var(--neon-lime);
  padding-left: 20px;
}

.stat-val-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.stat-unit {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--neon-lime);
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  margin-top: 6px;
}

.stat-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ==========================================================================
   IDENTITY SECTION
   ========================================================================== */
.identity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.strength-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  transition: all var(--anim-mid);
  display: flex;
  flex-direction: column;
}

.strength-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--neon-lime), transparent);
  opacity: 0;
  transition: opacity var(--anim-mid);
}

.strength-card:hover {
  transform: translateY(-8px);
  border-color: rgba(206, 255, 0, 0.45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 25px rgba(206, 255, 0, 0.12);
  background: var(--bg-card-hover);
}

.strength-card:hover::before {
  opacity: 1;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.strength-icon {
  font-size: 2.2rem;
  background: rgba(255, 255, 255, 0.05);
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
}

.strength-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--neon-lime);
  background: rgba(206, 255, 0, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
}

.strength-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}

.strength-summary {
  font-size: 0.95rem;
  color: var(--neon-lime);
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.45;
}

.strength-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Fandom & Origin Banner */
.origin-banner {
  margin-top: 48px;
  background: linear-gradient(135deg, rgba(255, 42, 84, 0.12) 0%, rgba(16, 16, 24, 0.85) 100%);
  border: 1px solid rgba(255, 42, 84, 0.35);
  border-radius: 12px;
  padding: 36px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.origin-item h4 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: #ffffff;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.origin-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   MEMBERS SECTION (3D TILT & SIGNATURE BADGES)
   ========================================================================== */
.member-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  padding: 8px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--anim-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--neon-lime);
  color: #000;
  border-color: var(--neon-lime);
  box-shadow: 0 0 15px var(--neon-lime-glow);
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  perspective: 1000px;
}

.member-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, border-color var(--anim-fast), box-shadow var(--anim-fast);
  position: relative;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
}

.member-card:hover {
  border-color: var(--neon-lime);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.65), 0 0 25px rgba(206, 255, 0, 0.18);
}

.member-photo-wrap {
  position: relative;
  width: 100%;
  height: 380px;
  overflow: hidden;
  background: #14141d;
}

.member-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  filter: grayscale(15%) contrast(1.05);
  transition: transform var(--anim-mid), filter var(--anim-mid);
}

.member-card:hover .member-photo-wrap img {
  transform: scale(1.06);
  filter: grayscale(0%) contrast(1.12);
}

.member-badge-mbti {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(9, 9, 13, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  color: var(--neon-lime);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 4px;
}

.member-badge-sign {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(9, 9, 13, 0.85);
  backdrop-filter: blur(8px);
  border-left: 3px solid var(--crimson-red);
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 2px;
  max-width: 90%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.member-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.member-names {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}

.member-name-kr {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 900;
  color: #ffffff;
}

.member-name-en {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 700;
}

.member-role {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--crimson-red);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.member-catchphrase {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.member-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.member-stat-chips {
  display: flex;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.btn-view-profile {
  color: var(--neon-lime);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   DISCOGRAPHY SECTION (VINYL RECORD INTERACTION)
   ========================================================================== */
.disco-container {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 40px;
  align-items: start;
}

.album-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.album-nav-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 16px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--anim-fast);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.album-nav-item:hover, .album-nav-item.active {
  background: rgba(30, 30, 46, 0.95);
  border-color: var(--neon-lime);
  transform: translateX(6px);
}

.album-nav-item.active {
  border-left: 4px solid var(--neon-lime);
}

.album-nav-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: #ffffff;
}

.album-nav-date {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.album-nav-badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
}

.album-nav-item.active .album-nav-badge {
  background: var(--neon-lime);
  color: #000;
}

/* Album Detail Showcase */
.album-showcase {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 40px;
  position: relative;
  overflow: hidden;
}

.album-showcase-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 36px;
  align-items: start;
}

/* Vinyl Turntable Animation Box */
.album-cover-stage {
  position: relative;
  width: 260px;
  height: 260px;
}

.album-cover-box {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
  background: #14141d;
  position: relative;
  z-index: 3;
}

.album-cover-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Sliding Vinyl Record */
.vinyl-record {
  position: absolute;
  top: 5px;
  left: 30px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: radial-gradient(circle, #222 15%, #0d0d12 16%, #1a1a24 45%, #0a0a0e 70%, #15151f 100%);
  border: 3px solid #333348;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.8);
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  animation: spinVinyl 8s linear infinite paused;
}

.album-showcase:hover .vinyl-record, .vinyl-record.playing {
  transform: translateX(85px);
  animation-play-state: running;
}

@keyframes spinVinyl {
  from { transform: translateX(85px) rotate(0deg); }
  to { transform: translateX(85px) rotate(360deg); }
}

.vinyl-center-label {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--neon-lime);
  color: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.68rem;
  border: 4px solid #111;
  text-align: center;
}

.vinyl-hole {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #000;
  margin-top: 2px;
}

.album-meta-type {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--neon-lime);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.album-meta-title {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: #ffffff;
  margin-bottom: 8px;
  line-height: 1.1;
}

.album-meta-desc {
  font-size: 0.95rem;
  color: #c9c9db;
  line-height: 1.65;
  margin-bottom: 24px;
}

.track-list-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.track-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.track-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  font-size: 0.9rem;
  transition: border-color var(--anim-fast);
}

.track-item.title-track {
  background: rgba(206, 255, 0, 0.06);
  border-color: rgba(206, 255, 0, 0.35);
}

.track-name-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.track-no {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.8rem;
}

.track-name {
  font-weight: 700;
  color: #ffffff;
}

.badge-title-tag {
  background: var(--neon-lime);
  color: #000;
  font-size: 0.68rem;
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-display);
}

.track-duration {
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-size: 0.82rem;
}

.album-action-row {
  margin-top: 28px;
  display: flex;
  gap: 16px;
}

/* ==========================================================================
   BILLBOARD & STATS SECTION
   ========================================================================== */
.billboard-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
}

.billboard-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.bb-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: all var(--anim-mid);
}

.bb-stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--electric-cyan);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.5), 0 0 20px var(--electric-cyan-glow);
}

.bb-chart-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.bb-rank-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 12px;
}

.bb-rank {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--electric-cyan);
  line-height: 1;
}

.bb-unit {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
}

.bb-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Luminate & DRT Extra Card */
.extra-charts-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.chart-sub-group h4 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border-subtle);
  font-size: 0.9rem;
}

.chart-item-row:last-child {
  border-bottom: none;
}

.chart-item-name {
  color: var(--text-muted);
}

.chart-item-rank {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--neon-lime);
}

/* Success Factors */
.success-factors-wrap {
  margin-top: 48px;
}

.factors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.factor-card {
  background: rgba(16, 16, 24, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 28px 24px;
  position: relative;
}

.factor-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 900;
  color: rgba(206, 255, 0, 0.3);
  line-height: 1;
  margin-bottom: 12px;
}

.factor-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
}

.factor-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   808 BEAT PAD & AUTO DRUM LOOP JAM STATION
   ========================================================================== */
.beatpad-section {
  background: linear-gradient(180deg, var(--bg-core) 0%, #111119 50%, var(--bg-core) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.beatpad-machine {
  background: #14141e;
  border: 2px solid #2b2b3d;
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.85), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  max-width: 960px;
  margin: 0 auto;
}

.machine-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 16px;
}

.machine-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.machine-lcd {
  background: #000000;
  border: 1px solid #333348;
  border-radius: 6px;
  padding: 10px 20px;
  font-family: var(--font-mono);
  color: var(--neon-lime);
  font-size: 0.9rem;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Auto Looper Controls Toolbar */
.looper-toolbar {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.looper-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-loop-play {
  background: var(--neon-lime);
  color: #000;
  border: none;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.95rem;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 0 18px var(--neon-lime-glow);
  transform: skew(-6deg);
  transition: all var(--anim-fast);
}

.btn-loop-play:hover {
  background: #d8ff26;
  box-shadow: 0 0 28px rgba(206, 255, 0, 0.7);
}

.btn-loop-play.active {
  background: var(--crimson-red);
  color: #fff;
  box-shadow: 0 0 25px var(--crimson-glow);
}

.looper-bpm-control {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.bpm-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 110px;
  height: 6px;
  background: #2b2b3d;
  border-radius: 3px;
  outline: none;
}

.bpm-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--neon-lime);
  cursor: pointer;
  box-shadow: 0 0 8px var(--neon-lime-glow);
}

.looper-leds {
  display: flex;
  gap: 6px;
}

.looper-led {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #252535;
  transition: background var(--anim-fast);
}

.looper-led.active {
  background: var(--neon-lime);
  box-shadow: 0 0 8px var(--neon-lime-glow);
}

.pads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.drum-pad {
  aspect-ratio: 1.3 / 1;
  background: #20202e;
  border: 2px solid #2e2e42;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  user-select: none;
  transition: transform 0.08s ease, background-color 0.08s ease, border-color 0.08s ease;
  position: relative;
  overflow: hidden;
}

.drum-pad:active, .drum-pad.hit {
  transform: scale(0.96);
  background: var(--neon-lime);
  border-color: #ffffff;
  box-shadow: 0 0 35px var(--neon-lime-glow);
}

.drum-pad.hit .pad-key, .drum-pad:active .pad-key {
  color: #000;
}

.drum-pad.hit .pad-label, .drum-pad:active .pad-label {
  color: #000;
}

.pad-key {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
  margin-bottom: 6px;
  transition: color 0.08s ease;
}

.pad-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  transition: color 0.08s ease;
}

.pad-instruction {
  text-align: center;
  margin-top: 24px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   MULTIMEDIA CINEMA SECTION
   ========================================================================== */
.video-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.video-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: all var(--anim-mid);
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: var(--crimson-red);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 20px var(--crimson-glow);
}

.video-thumb-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #000;
}

.video-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--anim-mid);
}

.video-card:hover .video-thumb-box img {
  transform: scale(1.06);
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 54px;
  height: 54px;
  background: rgba(255, 42, 84, 0.9);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 0 20px var(--crimson-glow);
  transition: all var(--anim-fast);
}

.video-card:hover .video-play-btn {
  transform: translate(-50%, -50%) scale(1.15);
  background: var(--crimson-red);
}

.video-badge-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
}

.video-body {
  padding: 20px;
}

.video-title {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.4;
}

.video-highlight {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   FAN ZONE & COMMUNITY
   ========================================================================== */
.fanzone-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
}

.guestbook-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px;
}

.guestbook-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.input-field {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 12px 16px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--anim-fast);
}

.input-field:focus {
  border-color: var(--neon-lime);
}

.input-name {
  flex: 1;
}

.select-sticker {
  width: 90px;
  cursor: pointer;
}

.input-textarea {
  width: 100%;
  resize: vertical;
  min-height: 90px;
}

.guestbook-feed {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 480px;
  overflow-y: auto;
  padding-right: 6px;
}

.feed-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feed-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.feed-author-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.feed-sticker {
  font-size: 1.2rem;
}

.feed-author {
  font-weight: 700;
  font-size: 0.92rem;
  color: #ffffff;
}

.feed-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.feed-msg {
  font-size: 0.88rem;
  color: #d1d1e0;
  line-height: 1.5;
}

/* SNS Channels Box */
.sns-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 32px;
}

.sns-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.sns-item-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--anim-fast);
}

.sns-item-link:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--neon-lime);
  transform: translateX(4px);
}

.sns-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sns-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--neon-lime);
}

.sns-info-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: #ffffff;
}

.sns-info-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.sns-arrow {
  color: var(--text-dim);
  font-size: 1.1rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #060608;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 40px;
  position: relative;
  z-index: 10;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.footer-credits {
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.6;
}

/* ==========================================================================
   MODALS (MEMBER & VIDEO)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 6, 9, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--anim-mid);
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content-box {
  background: #14141e;
  border: 1px solid var(--border-active);
  border-radius: 14px;
  width: 100%;
  max-width: 880px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.9), 0 0 40px var(--neon-lime-glow);
  transform: scale(0.95);
  transition: transform var(--anim-mid);
}

.modal-backdrop.active .modal-content-box {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--anim-fast);
}

.modal-close-btn:hover {
  background: var(--crimson-red);
}

/* Member Modal Layout */
.member-modal-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
}

.modal-member-img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  object-fit: cover;
  object-position: center 15%;
  display: block;
}

.modal-member-details {
  padding: 36px;
  display: flex;
  flex-direction: column;
}

.radar-chart-container {
  margin: 16px 0;
  text-align: center;
}

/* Video Modal */
.video-modal-box {
  max-width: 900px;
  padding: 20px;
  background: #000;
}

.video-iframe-wrap {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.video-iframe-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   RESPONSIVE QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-desc {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-cta-group {
    justify-content: center;
  }
  .hero-image-frame img {
    height: 420px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .identity-grid {
    grid-template-columns: 1fr;
  }
  .origin-banner {
    grid-template-columns: 1fr;
  }
  .members-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .disco-container {
    grid-template-columns: 1fr;
  }
  .album-showcase-grid {
    grid-template-columns: 1fr;
    justify-items: center;
  }
  .billboard-wrapper {
    grid-template-columns: 1fr;
  }
  .factors-grid {
    grid-template-columns: 1fr;
  }
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .fanzone-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .members-grid {
    grid-template-columns: 1fr;
  }
  .pads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .video-grid {
    grid-template-columns: 1fr;
  }
  .member-modal-grid {
    grid-template-columns: 1fr;
  }
  .modal-member-img {
    height: 320px;
  }
  .album-cover-stage {
    width: 220px;
    height: 220px;
  }
  .vinyl-record {
    width: 210px;
    height: 210px;
  }
}