/* styles.css */
*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #0a0a0f;
  --color-bg-card: #ffffff08;
  --color-bg-card-hover: #ffffff0f;
  --color-text: #e8e4df;
  --color-text-muted: #8a8580;
  --color-accent: #c9a87c;
  --color-accent-glow: #c9a87c4d;
  --color-ink: #2c1810;
  --font-serif: "Noto Serif SC", serif;
  --font-sans: "Noto Sans SC", sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  line-height: 1.8;
}

::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: none;
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 3px;
}

.nav {
  position: fixed;
  z-index: 100;
  display: flex;
  backdrop-filter: blur(20px);
  background: #0a0a0fcc;
  border-bottom: 1px solid #c9a87c1a;
  justify-content: space-between;
  align-items:  center;
  padding: 1rem 2rem;
  transition: all .3s;
  top: 0;
  left: 0;
  right: 0;
}

.nav-logo {
  font-family: var(--font-serif);
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: .1em;
  font-size: 1.25rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: .05em;
  position: relative;
  transition: color .3s;
  font-size: .9rem;
  font-weight: 300;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-accent);
}

.nav-links a:after {
  content: "";
  position: absolute;
  background: var(--color-accent);
  width: 0;
  height: 1px;
  transition: width .3s;
  bottom: -4px;
  left: 0;
}

.nav-links a:hover:after {
  width: 100%;
}

.hero {
  display: flex;
  text-align: center;
  position: relative;
  overflow: hidden;
  flex-direction: column;
  justify-content: center;
  align-items:  center;
  min-height: 100vh;
  padding: 2rem;
}

.hero-bg {
  position: absolute;
  z-index: 0;
  inset: 0;
}

.hero-bg:before {
  content: "";
  position: absolute;
  background: radial-gradient(800px 600px at 30% 40%, #c9a87c14, #0000), radial-gradient(600px 400px at 70% 60%, #503c280f, #0000);
  inset: 0;
}

.particle {
  position: absolute;
  background: var(--color-accent);
  opacity: 0;
  animation: floatUp 8s infinite;
  border-radius: 50%;
  width: 2px;
  height: 2px;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(100vh)scale(0);
  }

  10% {
    opacity: .6;
  }

  90% {
    opacity: .2;
  }

  100% {
    opacity: 0;
    transform: translateY(-20vh)scale(1);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-subtitle-top {
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  letter-spacing: .4em;
  text-transform: uppercase;
  opacity: 0;
  animation: fadeInUp 1s .3s forwards;
  margin-bottom: 1.5rem;
  font-size: .85rem;
  font-weight: 300;
}

.hero-title {
  font-family: var(--font-serif);
  opacity: 0;
  animation: fadeInUp 1s .5s forwards;
  margin-bottom: .5rem;
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  line-height: 1.2;
}

.hero-title .accent {
  color: var(--color-accent);
  text-shadow: 0 0 40px var(--color-accent-glow);
}

.hero-tagline {
  font-family: var(--font-serif);
  color: var(--color-text-muted);
  letter-spacing: .15em;
  opacity: 0;
  animation: fadeInUp 1s .7s forwards;
  margin-top: 1rem;
  margin-bottom: 2.5rem;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 400;
}

.hero-cta {
  display: inline-flex;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: .1em;
  opacity: 0;
  animation: fadeInUp 1s .9s forwards;
  align-items:  center;
  gap: .5rem;
  padding: .8rem 2rem;
  transition: all .3s;
  font-size: .9rem;
}

.hero-cta:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.scroll-indicator {
  position: absolute;
  opacity: 0;
  animation: fadeInUp 1s 1.2s forwards;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
}

.scroll-line {
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 2s infinite;
  width: 1px;
  height: 40px;
  margin: 0 auto;
}

@keyframes scrollPulse {
  0%, 100% {
    opacity: .3;
    transform: scaleY(.6);
  }

  50% {
    opacity: 1;
    transform: scaleY(1);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-label {
  letter-spacing: .3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: .75rem;
  font-size: .75rem;
  font-weight: 300;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.3;
}

.section-divider {
  background: var(--color-accent);
  width: 40px;
  height: 1px;
  margin: 1.5rem auto 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items:  center;
  gap: 4rem;
}

.about-visual {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  justify-content: center;
  align-items:  center;
}

.ink-circle {
  display: flex;
  position: relative;
  animation: breathe 4s ease-in-out infinite;
  border: 1px solid #c9a87c33;
  border-radius: 50%;
  justify-content: center;
  align-items:  center;
  width: 280px;
  height: 280px;
}

.ink-circle:before {
  content: "";
  position: absolute;
  animation: breathe 4s ease-in-out infinite reverse;
  border: 1px solid #c9a87c14;
  border-radius: 50%;
  inset: -20px;
}

.ink-circle:after {
  content: "";
  position: absolute;
  background: radial-gradient(circle, #c9a87c0d, #0000);
  border-radius: 50%;
  inset: 20px;
}

@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.03);
  }
}

.ink-char {
  font-family: var(--font-serif);
  color: var(--color-accent);
  text-shadow: 0 0 60px var(--color-accent-glow);
  z-index: 1;
  font-size: 6rem;
  font-weight: 900;
}

.ink-avatar {
  object-fit: cover;
  z-index: 1;
  border-radius: 50%;
  width: 220px;
  height: 220px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  font-weight: 300;
  line-height: 2;
}

.about-text p strong {
  color: var(--color-text);
  font-weight: 500;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid #ffffff0d;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  color: var(--color-accent);
  white-space: nowrap;
  font-size: 2rem;
  font-weight: 700;
}

.stat-label {
  color: var(--color-text-muted);
  letter-spacing: .1em;
  white-space: nowrap;
  margin-top: .25rem;
  font-size: .75rem;
}

.section-wide {
  max-width: 1200px;
}

.track-columns {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1.5rem;
}

.track-column {
  background: var(--color-bg-card);
  border: 1px solid #ffffff0d;
  padding: .25rem 0;
}

.track-row {
  display: flex;
  border-bottom: 1px solid #ffffff08;
  align-items:  center;
  gap: .5rem;
  height: 2rem;
  padding: 0 .75rem;
  transition: background .3s;
}

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

.track-row:hover {
  background: var(--color-bg-card-hover);
}

.track-row .track-num {
  color: #c9a87c66;
  font-variant-numeric: tabular-nums;
  text-align: right;
  flex: 0 0 1.2rem;
  width: 1.2rem;
  font-size: .7rem;
}

img.track-cover {
  object-fit: cover;
  border-radius: 50%;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
}

span.track-cover-empty {
  display: inline-flex;
  color: #c9a87c40;
  background: #ffffff0a;
  border-radius: 50%;
  flex: 0 0 20px;
  justify-content: center;
  align-items:  center;
  width: 20px;
  height: 20px;
  font-size: .6rem;
}

.track-title {
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
  font-size: .8rem;
  font-weight: 300;
}

.songs-list {
  max-width: 700px;
  margin: 0 auto;
}

.song-row {
  display: flex;
  border-bottom: 1px solid #ffffff08;
  align-items:  center;
  gap: 1.5rem;
  padding: 1rem 1.5rem;
  transition: all .3s;
}

.song-row:hover {
  background: var(--color-bg-card);
}

.song-rank {
  font-family: var(--font-serif);
  color: #c9a87c4d;
  text-align: center;
  min-width: 2rem;
  font-size: 1.2rem;
  font-weight: 700;
}

.song-row:first-child .song-rank {
  color: var(--color-accent);
}

.song-info {
  flex: 1;
}

.song-name {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
}

.song-meta {
  color: var(--color-text-muted);
  margin-top: .15rem;
  font-size: .75rem;
}

.song-plays {
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
}

.platforms-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.platform-link {
  display: flex;
  background: var(--color-bg-card);
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid #ffffff0f;
  justify-content: center;
  align-items:  center;
  gap: .75rem;
  min-width: 200px;
  padding: 1rem 2rem;
  transition: all .3s;
  font-size: .9rem;
}

.platform-link:hover {
  border-color: var(--color-accent);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px #0000004d;
}

.platform-icon {
  font-size: 1.2rem;
}

.footer {
  text-align: center;
  border-top: 1px solid #ffffff0d;
  padding: 3rem 2rem;
}

.footer-logo {
  font-family: var(--font-serif);
  color: var(--color-accent);
  margin-bottom: .75rem;
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-text {
  color: var(--color-text-muted);
  font-size: .8rem;
  font-weight: 300;
}

.footer-quote {
  font-family: var(--font-serif);
  color: #c9a87c80;
  letter-spacing: .1em;
  margin-top: 1.5rem;
  font-size: .9rem;
  font-style: italic;
}

.footer-icp {
  color: var(--color-text-muted);
  opacity: .6;
  margin-top: 1rem;
  font-size: .7rem;
}

@media (max-width: 768px) {
  .nav {
    padding: .75rem 1rem;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: .8rem;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-visual {
    order: -1;
  }

  .ink-circle {
    width: 180px;
    height: 180px;
  }

  .ink-char {
    font-size: 4rem;
  }

  .track-columns {
    grid-template-columns: 1fr;
  }

  .about-stats {
    gap: 1.5rem;
  }

  .platforms-grid {
    flex-direction: column;
    align-items:  center;
  }
}

.fade-in {
  opacity: 0;
  transition: opacity .8s, transform .8s;
  transform: translateY(30px);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}