/* ─── TOKENS ─── */
:root {
  --black:  #000000;
  --white:  #ffffff; 
  --point:  #FFE96A; 
  --g1:     #111111;
  --g2:     rgba(255, 255, 255, 0.15); 
  --g3:     #7a7a7a; 
  --g4:     #a0a0a0; 
  --g5:     #c8d3d5; 
  --g6:     #eaeaea; 
  --gutter: 8vw;
  --nav-h:  80px;
}
@media (max-width: 1024px) { :root { --gutter: 6vw; } }
@media (max-width: 768px) { :root { --gutter: 32px; --nav-h: 64px; } }
@media (max-width: 480px) { :root { --gutter: 24px; --nav-h: 56px; } }

/* ─── RESET ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--black);
  -webkit-text-size-adjust: 100%;
}
body {
  background: var(--black) !important;
  color: var(--g4); 
  font-family: 'Inter', 'SUIT', sans-serif;
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6; 
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

.clickable-img { cursor: pointer; transition: opacity 0.3s ease; }
.clickable-img:hover { opacity: 0.7; }

/* ─── TYPOGRAPHY SCALE ─── */
.t-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.4em; 
  text-transform: uppercase;
  color: var(--point); 
  margin-bottom: 32px; 
  opacity: 0.85;
}

.t-tagline {
  display: inline-block;
  align-self: center;
  width: fit-content;         
  font-family: 'Inter', sans-serif;
  font-size: clamp(14px, 2.5vw, 20px); 
  font-weight: 700;
  line-height: 1.2;           
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background-color: var(--point);
  color: #000000 !important;
  text-shadow: none !important; 
  padding: 3px 8px;           
  box-shadow: 2px 0 0 var(--point), -2px 0 0 var(--point);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  margin-top: 48px; 
  margin-bottom: 20px; 
}

.t-body-lg {
  font-size: 15px; 
  font-weight: 300;
  line-height: 1.7; 
  color: var(--g4); 
  max-width: 600px;
  margin: 0 auto;
}

/* ─── NAV ─── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--nav-h);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  background: transparent !important; 
  border-bottom: none; 
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0) 100%) !important;
}

.nav-logo-link {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 10px 0;
}

.svg-logo {
  height: 24px;
  width: auto;
  display: block;
  shape-rendering: geometricPrecision;
  transition: fill 0.3s ease;
}
.nav-logo-link:hover .svg-logo {
  fill: var(--point) !important;
}

.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  flex-wrap: wrap;
}

.nav-links a {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--g3); 
  transition: color 0.3s ease, opacity 0.3s ease;
}
.nav-links a:hover { color: var(--point); opacity: 1; }

@media (max-width: 480px) {
  nav { padding: 16px var(--gutter); height: auto; min-height: var(--nav-h); align-items: center; }
  .nav-links { gap: 16px; }
  .svg-logo { height: 20px; }
}

/* ─── STUDIO HERO ─── */
.hero-studio {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--nav-h) + 80px) var(--gutter) 100px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center; 
  text-align: center; 
  border-bottom: none; 
  overflow: hidden;
  background: #000000 !important; 
}

.hero-bg-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: auto; 
}

.hero-studio .hero-main-logo {
  position: relative;
  z-index: 2;
  pointer-events: none;
  width: 50%;
  height: auto;
  margin-top: 16px; 
  margin-bottom: 16px; 
  filter: drop-shadow(4px 4px 0px rgba(255, 255, 255, 0.1)) drop-shadow(0 0 16px rgba(255, 255, 255, 0.3));
}

@media (max-width: 768px) {
  .hero-studio .hero-main-logo {
    width: 100%; 
  }
}

.hero-studio .t-label,
.hero-studio .t-body-lg {
  position: relative;
  z-index: 2;
  pointer-events: none; 
}

.hero-studio .t-tagline {
  position: relative;
  z-index: 2;
  pointer-events: none;
}

/* ─── SECTIONS ─── */
section {
  padding: 160px var(--gutter);
  border-bottom: none; 
  background-color: #000000 !important;
}
@media (max-width: 768px) { section { padding: 100px var(--gutter); } }

/* ─── VLUW DIVIDER ─── */
.vluw-divider {
  padding: 120px var(--gutter);
  border-bottom: none; 
  background-color: #000000 !important;
}

.vluw-divider-label {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--point);
  margin-bottom: 16px;
}

.vluw-divider-title {
  font-family: 'Inter', sans-serif;
  font-size: clamp(48px, 10vw, 100px);
  font-weight: 900;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--white); 
  line-height: 0.9;
}

/* ─── VLUW HERO ─── */
.vluw-hero {
  width: 100vw;
  height: auto; 
  aspect-ratio: 1 / 1; 
  position: relative;
  padding: 80px var(--gutter);
  border-bottom: none;
  background-color: #000000 !important;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
@media (max-width: 768px) {
  .vluw-hero { aspect-ratio: 3 / 4; height: auto; } 
}
@media (max-width: 480px) {
  .vluw-hero { padding: 40px var(--gutter); height: auto; }
}

.vluw-hero-bg {
  position: absolute;
  inset: 0;
  background: url('images/VLUW_Group_Profile.jpg') no-repeat center center;
  background-size: cover;
}

.vluw-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,0.4) 50%,
    rgba(0,0,0,0.05) 100%);
}

.vluw-hero-content { 
  position: relative; 
  z-index: 1; 
  align-items: flex-start; 
  display: flex; 
  flex-direction: column; 
}

.vluw-hero-hook-para {
  font-size: clamp(14px, 1.6vw, 17px);
  font-weight: 700;
  line-height: 1.7; 
  /* 훅 문구와 로고 사이 간격을 대폭 축소 (32px -> 8px) */
  margin-bottom: 32px;
  max-width: 600px;
}

.vluw-hero-hook-text {
  display: inline;
  background-color: var(--point);
  color: #000000 !important;
  padding: 3px 6px; 
  box-shadow: 2px 0 0 var(--point), -2px 0 0 var(--point); 
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

/* VLUW IS BLUE 펜글씨 로고 레이아웃 조율 */
.vluw-is-blue-svg {
  width: 50%; /* PC에서는 50% */
  height: auto;
  object-fit: contain;
  mix-blend-mode: screen; 
  margin-top: 0; /* 불필요한 상단 여백 제거 */
  pointer-events: none;
  transform-origin: left center;
  display: block;
}

@media (max-width: 768px) {
  .vluw-is-blue-svg {
    width: 100%; /* 모바일에서는 가로 폭 100% 꽉 채우기 */
  }
}

/* ─── WHO IS VLUW ─── */
.world-text {
  font-size: 15px; 
  font-weight: 300;
  line-height: 1.75; 
  color: var(--g4); 
  max-width: 640px;
  margin-bottom: 100px; 
}

.members { display: flex; flex-direction: column; }
.member {
  display: grid;
  grid-template-columns: 240px 1fr; 
  gap: 64px; 
  padding: 80px 0;
  border-bottom: 1px solid var(--g2); 
}

.member:first-child { border-top: 1px solid var(--g2); }
.member:last-child { border-bottom: none; }

@media (max-width: 640px) {
  .member { grid-template-columns: 1fr; gap: 32px; padding: 64px 0; }
}

.member-photo { width: 100%; aspect-ratio: 1/1; object-fit: cover; border: none; } 
.member-info { padding-top: 2px; }

.member-name-en {
  font-family: 'Inter', sans-serif;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white); 
  line-height: 1;
  margin-bottom: 4px; 
}
.member-name-kr { 
  font-size: 13px; 
  font-weight: 400; 
  color: var(--g3); 
  margin-bottom: 12px; 
}

.member-role {
  display: inline;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background-color: var(--point);
  color: #000000 !important;
  padding: 2px 6px;
  box-shadow: 2px 0 0 var(--point), -2px 0 0 var(--point);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.member-role-container {
  margin-top: 4px;
  margin-bottom: 24px; 
}

.member-tags { 
  font-size: 12px; 
  font-weight: 300; 
  color: var(--g3); 
  line-height: 1.6; 
  margin-bottom: 12px; 
}
.member-desc { 
  font-size: 15px; 
  font-weight: 300; 
  line-height: 1.65; 
  color: var(--g4); 
}

/* ─── MUSIC ─── */
#music { background-color: #000000 !important; }
.music-block { margin-bottom: 120px; } 
.music-block:last-child { margin-bottom: 0; }

.music-block-title {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  background-color: var(--point);
  color: #000000 !important;
  padding: 2px 6px;
  box-shadow: 2px 0 0 var(--point), -2px 0 0 var(--point);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  margin-bottom: 24px; 
}

.album-intro { font-size: 15px; font-weight: 300; line-height: 1.7; color: var(--g4); max-width: 640px; margin-bottom: 64px; }
.tracklist-label { font-family: 'Inter', sans-serif; font-size: 10px; font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase; color: var(--g3); margin-bottom: 16px; }

.track {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 32px 0;
  border-bottom: 1px solid var(--g2); 
  align-items: start;
}
@media (max-width: 480px) { .track { grid-template-columns: 80px 1fr; gap: 24px; padding: 24px 0; } }

.track-cover { width: 100%; aspect-ratio: 1; object-fit: cover; border: none; }
.track-title { 
  font-family: 'Inter', sans-serif; 
  font-size: 18px; 
  font-weight: 600; 
  color: var(--white); 
  margin-bottom: 8px; 
}
.track-desc { 
  font-size: 14px; 
  font-weight: 300; 
  line-height: 1.6; 
  color: var(--g4); 
  margin-bottom: 24px; 
}

.track-link {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white); 
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: all 0.2s ease;
  display: inline-block;
}
.track-link:hover { color: var(--point); border-color: var(--point); }

/* ─── BUTTONS & LINKS LIST SYSTEM (Ultra Minimal) ─── */
.links-list { 
  display: flex; 
  flex-direction: column; 
  max-width: 400px; 
  gap: 0; 
}

.link-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0; 
  border: none; 
  border-bottom: 1px solid var(--g2); 
  background: transparent !important;
  transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
  cursor: pointer;
}

.link-name {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white); 
  transition: color 0.3s ease;
}

.link-arrow { 
  font-size: 14px; 
  color: var(--g4); 
  transition: transform 0.3s ease, color 0.3s ease;
}

.link-row:hover {
  border-color: var(--point) !important;
}
.link-row:hover .link-name {
  color: var(--point) !important;
}
.link-row:hover .link-arrow {
  color: var(--point) !important;
  transform: translateX(8px); 
}

/* ─── STORY ─── */
#story { background-color: #000000 !important; }
.story-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 800px;
}
@media (max-width: 640px) { .story-grid { grid-template-columns: 1fr; gap: 64px; } }

.story-item {
  background: transparent;
  display: flex;
  flex-direction: column;
}

.story-cover {
  width: 100%;
  height: auto;
  object-fit: contain;
  margin-bottom: 32px;
  border: none; 
}

.story-title { 
  font-size: 16px; 
  font-weight: 500; 
  color: var(--white); 
  line-height: 1.5; 
  margin-bottom: 12px; 
}
.story-desc { 
  font-size: 14px; 
  font-weight: 300; 
  line-height: 1.6; 
  color: var(--g4); 
  margin-bottom: 24px; 
}

.story-link {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white); 
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
  transition: all 0.2s ease;
  align-self: flex-start;
}
.story-link:hover { color: var(--point); border-color: var(--point); }

/* ─── LINKS ─── */
#links { background-color: #000000 !important; }

/* ─── CONTACT ─── */
.contact-section {
  position: relative;
  padding: 180px var(--gutter);
  border-bottom: none; 
  overflow: hidden;
  background: #000000 !important; 
}
.contact-canvas {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.8; 
}
.contact-content {
  position: relative;
  z-index: 2;
}
.contact-email {
  font-family: 'Inter', sans-serif;
  font-size: clamp(22px, 4vw, 42px);
  font-weight: 700;
  color: var(--white); 
  display: inline-block;
  transition: color 0.3s ease;
  cursor: pointer;
}
.contact-email:hover { color: var(--point); }

/* ─── FOOTER ─── */
footer { 
  padding: 48px var(--gutter); 
  background: #000000 !important; 
  /*border-top: 1px solid var(--g2);*/
}
.footer-text { 
  font-family: 'Inter', sans-serif; 
  font-size: 10px; 
  font-weight: 600; 
  letter-spacing: 0.1em; 
  color: var(--g3); 
}

/* ─── TOAST NOTIFICATION ─── */
.toast-box {
  position: fixed;
  bottom: 40px;
  left: var(--gutter);
  background-color: var(--point);
  color: #000000;
  padding: 14px 28px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 40px;
  z-index: 2000;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.toast-box.show {
  opacity: 1;
  transform: translateY(0);
}

/* ─── MODAL SYSTEM ─── */
.image-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0;
  width: 100%; height: 100%;
  background-color: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 40px;
}

.modal-content {
  max-width: 90%;
  max-height: 85vh;
  object-fit: contain;
  animation: zoom 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes zoom {
  from { transform: scale(0.97); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close {
  position: absolute;
  top: 32px; right: 40px;
  color: var(--g4);
  font-size: 42px;
  font-weight: 200;
  cursor: pointer;
  transition: color 0.3s ease;
  line-height: 1;
  z-index: 1010;
}
.modal-close:hover { color: var(--point); }

@media (max-width: 768px) {
  .modal-wrapper { padding: 20px; }
  .modal-content { max-width: 95%; max-height: 80vh; }
  .modal-close { top: 20px; right: 24px; font-size: 34px; }
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: #222; }