/* ============================================================
   AGUNG DEV MUSIC — Complete Design System CSS
   Design Tokens & Components (following DESIGN.md)
   ============================================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  /* --- Brand & Accent --- */
  --color-primary: #fcfdff;
  --color-primary-on: #000000;
  --color-surface-light: #f1f7fe;

  /* --- Surface --- */
  --color-canvas: #000000;
  --color-surface-card: #0a0a0c;
  --color-surface-elevated: #101012;
  --color-surface-deep: #06060a;
  --color-hairline: rgba(255, 255, 255, 0.06);
  --color-hairline-strong: rgba(255, 255, 255, 0.14);
  --color-divider-soft: rgba(255, 255, 255, 0.04);

  /* --- Text --- */
  --color-ink: #fcfdff;
  --color-body: rgba(252, 253, 255, 0.86);
  --color-charcoal: rgba(252, 253, 255, 0.7);
  --color-mute: #a1a4a5;
  --color-ash: #888e90;
  --color-stone: #464a4d;

  /* --- Accent Glows --- */
  --color-accent-cyan: #00d4ff;
  --color-accent-cyan-glow: rgba(0, 212, 255, 0.18);
  --color-accent-blue: #3b9eff;
  --color-accent-blue-glow: rgba(0, 117, 255, 0.22);
  --color-accent-deep-blue: #1a3a6c;
  --color-accent-deep-blue-glow: rgba(26, 58, 108, 0.35);

  /* --- Spacing --- */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 24px;
  --spacing-xxl: 32px;
  --spacing-xxxl: 48px;
  --spacing-section: 96px;
  --spacing-band: 128px;

  /* --- Border Radius --- */
  --rounded-none: 0px;
  --rounded-xs: 4px;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-xl: 16px;
  --rounded-full: 9999px;

  /* --- Font Families --- */
  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* --- Animation --- */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-slow: 1200ms;
  --duration-medium: 800ms;
  --duration-fast: 400ms;
}


/* ============================================================
   RESET & BASE
   ============================================================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--color-body);
  background-color: var(--color-canvas);
  overflow-x: hidden;
}

a {
  color: var(--color-accent-cyan);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--color-ink);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
}

::selection {
  background: rgba(0, 212, 255, 0.2);
  color: var(--color-ink);
}


/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xxl);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

@media (max-width: 425px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}


/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border-bottom: 1px solid var(--color-hairline);
  transition: background 0.4s ease, border-color 0.4s ease;
}

.nav.scrolled {
  background: rgba(0, 0, 0, 0.85);
  border-bottom-color: var(--color-hairline-strong);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-xxl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav__logo-img {
  height: 28px;
  width: auto;
  opacity: 0.9;
}

.nav__logo-text {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.35px;
  color: var(--color-ink);
}

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-primary-on);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--rounded-md);
  height: 36px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav__cta:hover {
  background: var(--color-surface-light);
  color: var(--color-primary-on);
  transform: translateY(-1px);
}


/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-band) 0 var(--spacing-section);
  overflow: hidden;
}

.hero--hub {
  min-height: 80vh;
  padding-bottom: var(--spacing-xxxl);
}

/* Atmospheric glow behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-cyan-glow) 0%,
    var(--color-accent-blue-glow) 30%,
    var(--color-accent-deep-blue-glow) 50%,
    transparent 70%
  );
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
  animation: glowPulse 8s ease-in-out infinite alternate;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-deep-blue-glow) 0%,
    transparent 70%
  );
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

@keyframes glowPulse {
  0% { opacity: 0.5; transform: translateX(-50%) scale(1); }
  100% { opacity: 0.7; transform: translateX(-50%) scale(1.08); }
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-xxl);
}

/* Album Artwork */
.hero__artwork-wrapper {
  position: relative;
  width: 380px;
  max-width: 80vw;
}

.hero__artwork-glow {
  position: absolute;
  inset: -40px;
  background: radial-gradient(
    circle at center,
    rgba(0, 212, 255, 0.15) 0%,
    rgba(59, 158, 255, 0.08) 40%,
    transparent 70%
  );
  border-radius: var(--rounded-xl);
  z-index: 0;
  animation: artworkGlow 6s ease-in-out infinite alternate;
}

@keyframes artworkGlow {
  0% { opacity: 0.7; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}

.hero__artwork {
  position: relative;
  z-index: 1;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline-strong);
  box-shadow: 0 0 80px rgba(0, 212, 255, 0.08);
}

/* Badge */
.hero__badge {
  display: inline-flex;
  align-items: center;
  background: var(--color-surface-elevated);
  color: var(--color-body);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: var(--rounded-full);
  border: 1px solid var(--color-hairline-strong);
}

/* Hero Text */
.hero__artist {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--color-charcoal);
  line-height: 1.3;
}

.hero__title {
  font-family: var(--font-display);
  font-size: 96px;
  font-weight: 400;
  line-height: 1.0;
  letter-spacing: -0.96px;
  color: var(--color-ink);
}

.hero__description {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 300;
  line-height: 1.5;
  color: var(--color-charcoal);
  max-width: 480px;
}

/* Hero CTAs */
.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-primary);
  color: var(--color-primary-on);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--rounded-md);
  height: 40px;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(0, 212, 255, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn-primary:hover {
  background: var(--color-surface-light);
  color: var(--color-primary-on);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.12);
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: var(--color-surface-elevated);
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--rounded-md);
  height: 40px;
  border: 1px solid var(--color-hairline-strong);
  transition: all 0.25s ease;
}

.btn-ghost:hover {
  background: var(--color-surface-card);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}


/* ============================================================
   FEATURED RELEASE SECTION
   ============================================================ */
.featured-card {
  display: flex;
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-xl);
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto var(--spacing-xxxl);
  transition: border-color var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.featured-card:hover {
  border-color: rgba(0, 212, 255, 0.25);
  transform: translateY(-2px);
}

.featured-card__artwork-link {
  width: 45%;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.featured-card__artwork {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out-quint);
}

.featured-card:hover .featured-card__artwork {
  transform: scale(1.04);
}

.featured-card__content {
  padding: var(--spacing-xxxl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--spacing-lg);
}

.featured-card__tag {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
}

.featured-card__title {
  font-family: var(--font-display);
  font-size: 48px;
  line-height: 1.05;
  color: var(--color-ink);
}

.featured-card__artist {
  font-family: var(--font-body);
  font-size: 18px;
  color: var(--color-charcoal);
  margin-top: calc(-1 * var(--spacing-sm));
}

.featured-card__desc {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-mute);
  max-width: 400px;
}

.featured-card__btn {
  align-self: flex-start;
}


/* ============================================================
   RELEASES GRID
   ============================================================ */
.releases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.release-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  transition: all 0.35s var(--ease-out-quint);
}

.release-card:hover {
  border-color: var(--color-hairline-strong);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

.release-card__artwork-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  border-bottom: 1px solid var(--color-hairline);
}

.release-card__artwork {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out-quint);
}

.release-card:hover .release-card__artwork {
  transform: scale(1.03);
}

.release-card__content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.release-card__title {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 500;
  color: var(--color-ink);
  letter-spacing: -0.3px;
}

.release-card__artist {
  font-family: var(--font-ui);
  font-size: 14px;
  color: var(--color-mute);
}

.release-card__date {
  font-family: 'Geist Mono', monospace;
  font-size: 12px;
  color: var(--color-ash);
  margin-top: var(--spacing-sm);
}


/* ============================================================
   ARTISTS GRID
   ============================================================ */
.artists-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.artist-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxl) var(--spacing-xl);
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.artist-card:hover {
  border-color: rgba(0, 212, 255, 0.2);
  transform: translateY(-2px);
}

.artist-card__avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--rounded-full);
  object-fit: cover;
  border: 1px solid var(--color-hairline-strong);
  margin-bottom: var(--spacing-lg);
}

.artist-card__name {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--spacing-sm);
}

.artist-card__bio {
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-charcoal);
  max-width: 240px;
}


/* ============================================================
   STATISTICS SECTION
   ============================================================ */
.section--stats {
  border-top: 1px solid var(--color-hairline);
  background: var(--color-surface-deep);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  overflow: hidden;
  background: var(--color-surface-card);
}

.stats-item {
  padding: var(--spacing-xxl) var(--spacing-xl);
  text-align: center;
  border-right: 1px solid var(--color-hairline);
}

.stats-item:last-child {
  border-right: none;
}

.stats-item__num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 400;
  line-height: 1;
  color: var(--color-ink);
  margin-bottom: var(--spacing-xs);
}

.stats-item__label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-mute);
}


/* ============================================================
   SECTION: STREAMING PLATFORMS
   ============================================================ */
.section {
  position: relative;
  padding: var(--spacing-section) 0;
}

.section--platforms {
  border-top: 1px solid var(--color-hairline);
}

.section__label {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-mute);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.section__title {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--color-ink);
  text-align: center;
  margin-bottom: var(--spacing-xxxl);
}

/* Platform Grid */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--spacing-md);
  max-width: 800px;
  margin: 0 auto;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-decoration: none;
  transition: all 0.35s var(--ease-out-quint);
  position: relative;
  overflow: hidden;
}

.platform-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 0%,
    rgba(0, 212, 255, 0.06) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
}

.platform-card:hover {
  border-color: rgba(0, 212, 255, 0.25);
  transform: translateY(-4px);
  background: var(--color-surface-elevated);
}

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

.platform-card__icon {
  width: 32px;
  height: 32px;
  opacity: 0.7;
  transition: opacity 0.3s ease;
  position: relative;
  z-index: 1;
}

.platform-card:hover .platform-card__icon {
  opacity: 1;
}

.platform-card__name {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-charcoal);
  letter-spacing: 0.2px;
  position: relative;
  z-index: 1;
  transition: color 0.3s ease;
}

.platform-card:hover .platform-card__name {
  color: var(--color-ink);
}


/* ============================================================
   SECTION: RELEASE INFORMATION (SUBPAGE SPECIFIC)
   ============================================================ */
.section--info {
  border-top: 1px solid var(--color-hairline);
}

/* Atmospheric glow for info section */
.section--info::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(
    ellipse at center,
    var(--color-accent-blue-glow) 0%,
    transparent 70%
  );
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

.info-card {
  position: relative;
  z-index: 1;
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: var(--spacing-xxxl);
  max-width: 800px;
  margin: 0 auto;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.info-item {
  padding: var(--spacing-xl);
  border-bottom: 1px solid var(--color-hairline);
  position: relative;
}

/* Vertical dividers between columns */
.info-item:nth-child(3n+2) {
  border-left: 1px solid var(--color-hairline);
  border-right: 1px solid var(--color-hairline);
}

/* Remove bottom border on last row */
.info-item:nth-last-child(-n+3) {
  border-bottom: none;
}

.info-item__label {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--color-mute);
  margin-bottom: var(--spacing-sm);
}

.info-item__value {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-ink);
  letter-spacing: -0.3px;
}

.info-item__value--mono {
  font-family: 'Geist Mono', 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
  color: var(--color-charcoal);
  letter-spacing: 0;
}


/* ============================================================
   SECTION: ABOUT
   ============================================================ */
.section--about {
  border-top: 1px solid var(--color-hairline);
}

.about-content {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.about-content__text {
  font-family: var(--font-body);
  font-size: 20px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-charcoal);
  letter-spacing: -0.2px;
}

.about-content__text em {
  font-style: italic;
  font-family: var(--font-display);
  color: var(--color-ink);
  font-size: 22px;
}


/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  position: relative;
  background: var(--color-canvas);
  border-top: 1px solid var(--color-hairline);
  padding: 64px 32px;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xxxl);
}

.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.footer__logo {
  height: 32px;
  width: auto;
  opacity: 0.7;
}

.footer__label-name {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-charcoal);
  letter-spacing: 0.3px;
}

.footer__links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xxl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__link {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-ash);
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.footer__link:hover {
  color: var(--color-ink);
}

.footer__link svg {
  width: 16px;
  height: 16px;
  opacity: 0.7;
}

.footer__divider {
  width: 100%;
  max-width: 400px;
  height: 1px;
  background: var(--color-divider-soft);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

.footer__copyright {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-stone);
  line-height: 1.5;
}

.footer__contact {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 400;
  color: var(--color-stone);
}

.footer__contact a {
  color: var(--color-ash);
}

.footer__contact a:hover {
  color: var(--color-ink);
}


/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-medium) var(--ease-out-expo),
              transform var(--duration-medium) var(--ease-out-expo);
}

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

.fade-in-delay-1 { transition-delay: 100ms; }
.fade-in-delay-2 { transition-delay: 200ms; }
.fade-in-delay-3 { transition-delay: 300ms; }
.fade-in-delay-4 { transition-delay: 400ms; }
.fade-in-delay-5 { transition-delay: 500ms; }

.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity var(--duration-slow) var(--ease-out-expo),
              transform var(--duration-slow) var(--ease-out-expo);
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger platform cards */
.platform-card.fade-in:nth-child(1) { transition-delay: 50ms; }
.platform-card.fade-in:nth-child(2) { transition-delay: 100ms; }
.platform-card.fade-in:nth-child(3) { transition-delay: 150ms; }
.platform-card.fade-in:nth-child(4) { transition-delay: 200ms; }
.platform-card.fade-in:nth-child(5) { transition-delay: 250ms; }
.platform-card.fade-in:nth-child(6) { transition-delay: 300ms; }
.platform-card.fade-in:nth-child(7) { transition-delay: 350ms; }
.platform-card.fade-in:nth-child(8) { transition-delay: 400ms; }
.platform-card.fade-in:nth-child(9) { transition-delay: 450ms; }
.platform-card.fade-in:nth-child(10) { transition-delay: 500ms; }


/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */

/* Tablet (768px–1023px) */
@media (max-width: 1023px) {
  .hero__title {
    font-size: 72px;
    letter-spacing: -0.72px;
  }

  .featured-card {
    flex-direction: column;
  }

  .featured-card__artwork-link {
    width: 100%;
    aspect-ratio: 16/9;
  }

  .releases-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .artists-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-item:nth-child(even) {
    border-right: none;
  }

  .stats-item:nth-child(1), .stats-item:nth-child(2) {
    border-bottom: 1px solid var(--color-hairline);
  }

  .platforms-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  .info-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-item:nth-child(3n+2) {
    border-left: none;
    border-right: none;
  }

  .info-item:nth-child(even) {
    border-left: 1px solid var(--color-hairline);
  }

  .info-item:nth-last-child(-n+3) {
    border-bottom: 1px solid var(--color-hairline);
  }

  .info-item:nth-last-child(-n+2) {
    border-bottom: none;
  }

  .section__title {
    font-size: 40px;
  }
}

/* Mobile Widescreen & Large (426px–767px) */
@media (max-width: 767px) {
  :root {
    --spacing-section: 72px;
  }

  .hero__title {
    font-size: 56px;
    letter-spacing: -0.56px;
  }

  .hero__artwork-wrapper {
    width: 300px;
  }

  .hero__description {
    font-size: 16px;
  }

  .featured-card__content {
    padding: var(--spacing-xl);
  }

  .featured-card__title {
    font-size: 36px;
  }

  .releases-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto var(--spacing-xl);
  }

  .artists-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .platforms-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
  }

  .info-card {
    padding: var(--spacing-xxl);
  }

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

  .info-item:nth-child(even) {
    border-left: none;
  }

  .info-item {
    border-bottom: 1px solid var(--color-hairline);
  }

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

  .section__title {
    font-size: 36px;
  }

  .about-content__text {
    font-size: 18px;
  }

  .footer__bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Mobile (≤425px) */
@media (max-width: 425px) {
  :root {
    --spacing-section: 56px;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
    padding-bottom: var(--spacing-section);
  }

  .hero__title {
    font-size: 44px;
    letter-spacing: -0.44px;
  }

  .hero__artwork-wrapper {
    width: 260px;
  }

  .hero__artist {
    font-size: 16px;
  }

  .hero__description {
    font-size: 15px;
  }

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

  .stats-item {
    border-right: none;
    border-bottom: 1px solid var(--color-hairline);
  }

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

  .platforms-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .hero__actions .btn-primary,
  .hero__actions .btn-ghost {
    width: 100%;
    justify-content: center;
    height: 44px;
  }

  .info-card {
    padding: var(--spacing-xl);
  }

  .section__title {
    font-size: 32px;
  }

  .nav__logo-text {
    font-size: 12px;
  }

  .nav__cta {
    font-size: 12px;
    padding: 6px 12px;
    height: 32px;
  }
}


/* ============================================================
   SMOOTH PAGE LOAD
   ============================================================ */
.page-loader {
  opacity: 0;
  animation: pageLoad 0.8s var(--ease-out-expo) 0.1s forwards;
}

@keyframes pageLoad {
  from { opacity: 0; }
  to { opacity: 1; }
}