/* ============================================
   MIDNIGHT PLAYLIST — playlist.evanalmunawar.my.id
   Dark cinematic, Apple/Tesla-inspired
   ============================================ */

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

:root {
  --black:       #080808;
  --black-2:     #0e0e0e;
  --black-3:     #141414;
  --black-4:     #1a1a1a;
  --gray-1:      #242424;
  --gray-2:      #2e2e2e;
  --gray-3:      #404040;
  --gray-4:      #606060;
  --gray-5:      #888888;
  --white:       #f0ece6;
  --white-dim:   rgba(240, 236, 230, 0.6);
  --white-faint: rgba(240, 236, 230, 0.12);
  --gold:        #c8b89a;
  --gold-dim:    rgba(200, 184, 154, 0.15);
  --gold-glow:   rgba(200, 184, 154, 0.06);
  --blue-tint:   #8ab4c8;
  --border:      rgba(255,255,255,0.06);
  --border-mid:  rgba(255,255,255,0.1);

  --ff-display:  'Cormorant Garamond', Georgia, serif;
  --ff-body:     'DM Sans', system-ui, sans-serif;
  --ff-mono:     'DM Mono', 'Courier New', monospace;

  --nav-h:       64px;
  --container:   1160px;
  --radius:      12px;
  --radius-lg:   20px;
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

body {
  background: var(--black);
  color: var(--white);
  font-family: var(--ff-body);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gray-2); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--gray-3); }

/* --- SELECTION --- */
::selection {
  background: rgba(200, 184, 154, 0.2);
  color: var(--white);
}

/* --- CONTAINER --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
}

/* ============================================
   NAV
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 60px);
  background: rgba(8,8,8,0);
  backdrop-filter: blur(0px);
  border-bottom: 1px solid transparent;
  transition: background 0.5s var(--ease-out),
              backdrop-filter 0.5s var(--ease-out),
              border-color 0.5s var(--ease-out);
}

.nav.scrolled {
  background: rgba(8,8,8,0.88);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.12em;
  text-transform: lowercase;
  opacity: 0.9;
  transition: opacity 0.2s;
}
.nav-brand:hover { opacity: 1; }

.nav-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px var(--gold);
  animation: pulse-dot 3s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--gold); }
  50%       { opacity: 0.5; box-shadow: 0 0 14px var(--gold); }
}

.nav-link {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 300;
  color: var(--gray-5);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--white); }

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8,8,8,0.2) 0%,
    rgba(8,8,8,0.0) 40%,
    rgba(8,8,8,0.5) 80%,
    rgba(8,8,8,1.0) 100%
  );
  z-index: 1;
}

.hero-grain {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  background-size: 180px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: calc(var(--nav-h) + 40px) 20px 80px;
  animation: hero-fadein 1.6s var(--ease-out) both;
}

@keyframes hero-fadein {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  opacity: 0.7;
  margin-bottom: 24px;
  animation: hero-fadein 1.6s 0.1s var(--ease-out) both;
}

.hero-title {
  font-family: var(--ff-display);
  font-size: clamp(64px, 12vw, 140px);
  font-weight: 300;
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--white);
  margin-bottom: 32px;
  animation: hero-fadein 1.6s 0.2s var(--ease-out) both;
}

.hero-title em {
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
  opacity: 0.85;
}

.hero-subtitle {
  font-family: var(--ff-body);
  font-size: clamp(14px, 1.6vw, 17px);
  font-weight: 300;
  line-height: 1.7;
  color: var(--white-dim);
  max-width: 460px;
  margin: 0 auto 48px;
  animation: hero-fadein 1.6s 0.35s var(--ease-out) both;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  border: 1px solid var(--border-mid);
  padding: 14px 28px;
  border-radius: 100px;
  background: var(--white-faint);
  backdrop-filter: blur(12px);
  transition: background 0.3s, border-color 0.3s, transform 0.3s var(--ease-out);
  animation: hero-fadein 1.6s 0.5s var(--ease-out) both;
}

.hero-cta:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  margin: 0 auto;
  animation: scroll-drop 2s 1s var(--ease-out) infinite;
  opacity: 0.5;
}

@keyframes scroll-drop {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 0.5; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ============================================
   MOOD FILTER
   ============================================ */
.mood-filter {
  padding: 56px 0 8px;
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
  background: linear-gradient(to bottom, var(--black) 80%, transparent);
}

.mood-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 8px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.mood-chips::-webkit-scrollbar { display: none; }

.chip {
  flex-shrink: 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--gray-5);
  background: transparent;
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.25s var(--ease-out);
  white-space: nowrap;
}

.chip:hover {
  color: var(--white);
  border-color: var(--border-mid);
  background: var(--white-faint);
}

.chip.active {
  color: var(--gold);
  border-color: rgba(200, 184, 154, 0.3);
  background: var(--gold-dim);
}

/* ============================================
   PLAYLISTS SECTION
   ============================================ */
.playlists {
  padding: 48px 0 96px;
}

.playlist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

/* ============================================
   PLAYLIST CARD
   ============================================ */
.playlist-card {
  background: var(--black-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.4s var(--ease-out),
              border-color 0.3s,
              box-shadow 0.4s var(--ease-out);
  opacity: 0;
  transform: translateY(24px);
}

.playlist-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s var(--ease-out),
              transform 0.6s var(--ease-out),
              border-color 0.3s,
              box-shadow 0.4s var(--ease-out);
}

.playlist-card.hidden {
  display: none;
}

.playlist-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 40px rgba(200,184,154,0.04);
}

.playlist-card.card-featured {
  border-color: rgba(200, 184, 154, 0.15);
}
.playlist-card.card-featured:hover {
  border-color: rgba(200, 184, 154, 0.28);
  box-shadow: 0 24px 60px rgba(0,0,0,0.6), 0 0 60px rgba(200,184,154,0.08);
}

/* Card Cover Area */
.card-cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--black-3);
}

.card-cover-art {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.5s var(--ease-out), opacity 0.3s;
}

.cover-svg {
  width: 100%;
  height: 100%;
}

/* Player embed */
.card-player-wrap {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
  background: var(--black);
  z-index: 2;
}

.card-player-wrap.active {
  opacity: 1;
  pointer-events: auto;
}

.card-player-wrap iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Play toggle button */
.card-play-toggle {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 3;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-mid);
  color: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s, background 0.2s, transform 0.2s;
}

.card-cover:hover .card-play-toggle {
  opacity: 1;
}

.card-play-toggle:hover {
  background: rgba(200, 184, 154, 0.2);
  transform: scale(1.05);
}

.card-play-toggle.playing svg {
  opacity: 0;
}
.card-play-toggle.playing::before {
  content: '';
  width: 3px;
  height: 10px;
  background: var(--white);
  border-radius: 1px;
  box-shadow: 5px 0 0 var(--white);
}

/* Card Body */
.card-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.card-mood-tag {
  font-family: var(--ff-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-4);
  display: inline-block;
}

.card-mood-tag--gold {
  color: var(--gold);
  opacity: 0.8;
}

.card-title {
  font-family: var(--ff-display);
  font-size: 26px;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.card-desc {
  font-family: var(--ff-body);
  font-size: 13px;
  font-weight: 300;
  line-height: 1.65;
  color: var(--gray-5);
  flex: 1;
}

.card-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  font-family: var(--ff-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--gray-4);
  border: 1px solid var(--border);
  padding: 9px 18px;
  border-radius: 100px;
  margin-top: 4px;
  transition: all 0.25s var(--ease-out);
}

.card-btn:hover {
  color: var(--white);
  border-color: var(--border-mid);
  background: var(--white-faint);
}

.card-btn--gold {
  color: var(--gold);
  border-color: rgba(200, 184, 154, 0.25);
  background: var(--gold-dim);
}

.card-btn--gold:hover {
  color: var(--white);
  background: rgba(200, 184, 154, 0.2);
  border-color: rgba(200, 184, 154, 0.4);
}

/* ============================================
   QUOTE SECTION
   ============================================ */
.quote-section {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(200,184,154,0.02) 0%, transparent 100%);
}

.quote-block {
  font-family: var(--ff-display);
  font-size: clamp(22px, 3.5vw, 36px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  color: rgba(240, 236, 230, 0.55);
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  position: relative;
  padding: 0 20px;
}

.quote-mark {
  font-size: 1.4em;
  line-height: 0;
  vertical-align: -0.2em;
  color: var(--gold);
  opacity: 0.5;
  margin-right: 4px;
}

.quote-attr {
  display: block;
  font-family: var(--ff-mono);
  font-size: 11px;
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.14em;
  color: var(--gray-4);
  margin-top: 20px;
  text-transform: uppercase;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  padding: 64px 0 48px;
  overflow: hidden;
}

.footer-inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 60px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.footer-glow {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(200,184,154,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 13px;
  font-weight: 400;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.12em;
  opacity: 0.7;
  margin-bottom: 8px;
  transition: opacity 0.2s;
}
.footer-logo:hover { opacity: 1; }

.footer-copy {
  font-family: var(--ff-mono);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--gray-4);
}

.footer-tagline {
  font-family: var(--ff-display);
  font-size: 14px;
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  opacity: 0.5;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 4px;
}

.footer-link {
  font-family: var(--ff-mono);
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-4);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--white); }

.footer-sep {
  color: var(--gray-2);
  font-size: 10px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .playlist-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .hero-title {
    font-size: clamp(52px, 16vw, 80px);
  }

  .card-play-toggle {
    opacity: 1;
  }

  .mood-filter {
    padding-top: 40px;
  }
}

@media (max-width: 480px) {
  .card-body {
    padding: 18px 18px 20px;
  }
  .card-title {
    font-size: 22px;
  }
}

/* ============================================
   ENTRANCE ANIMATIONS
   ============================================ */
.mood-filter,
.quote-section,
.footer {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.mood-filter.in-view,
.quote-section.in-view,
.footer.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* delay for cards */
.playlist-card:nth-child(1) { transition-delay: 0.05s; }
.playlist-card:nth-child(2) { transition-delay: 0.12s; }
.playlist-card:nth-child(3) { transition-delay: 0.19s; }
.playlist-card:nth-child(4) { transition-delay: 0.26s; }
.playlist-card:nth-child(5) { transition-delay: 0.33s; }
.playlist-card:nth-child(6) { transition-delay: 0.40s; }