/* ═══════════════════════════════════════════════════════
   OwnThisBeat — Motion & Luxury Animation Layer
   Scroll reveals, hero entrance, parallax, cursor
═══════════════════════════════════════════════════════ */

/* Custom cursor removed — using system default cursor */

/* ── PAGE ENTRANCE PREVENTION ─────────────────────────── */
/* Prevent flash of unstyled content */
.reveal {
  opacity: 0;
  transform: translateY(42px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger siblings */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.00s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.12s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.24s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.36s; }
.reveal-stagger.visible > * { opacity: 1; transform: translateY(0); }

/* Fade only (no translate) */
.reveal-fade {
  opacity: 0;
  transition: opacity 1s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-fade.visible { opacity: 1; }

/* Slide from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal-left.visible { opacity: 1; transform: translateX(0); }

/* ── HERO ENTRANCE SEQUENCE ──────────────────────────── */
.hero-overline-anim {
  animation: heroLineUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.15s both;
}
.hero-title-anim {
  animation: heroLineUp 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}
.hero-sub-anim {
  animation: heroLineUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.52s both;
}
.hero-cta-anim {
  animation: heroFade 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.78s both;
}
.hero-scroll-anim {
  animation: heroFade 1s cubic-bezier(0.22, 1, 0.36, 1) 1.1s both;
}

@keyframes heroLineUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes heroFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── HERO PARALLAX GLOW ──────────────────────────────── */
.hero-glow {
  transition: transform 0.12s linear;
  will-change: transform;
}

/* ── BEAT CARD HOVER — PREMIUM ───────────────────────── */
.beat-card {
  transition: background var(--dur) var(--ease),
              transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.beat-card:not(.beat-sold):hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 64px rgba(0,0,0,0.6),
              0 0 0 1px rgba(201,168,76,0.18);
}

/* ── GOLD DIVIDER LINE ───────────────────────────────── */
.gold-rule {
  width: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 0 auto 18px;
  transition: width 1.2s cubic-bezier(0.22, 1, 0.36, 1);
}
.gold-rule.visible { width: 80px; }

/* ── SECTION HEADER ENHANCED ─────────────────────────── */
.section-header .overline {
  transition: opacity 0.7s ease 0.05s, letter-spacing 0.7s ease 0.05s;
}
.section-header.reveal:not(.visible) .overline {
  letter-spacing: 0.55em;
  opacity: 0;
}
.section-header.reveal.visible .overline {
  opacity: 1;
  letter-spacing: 0.35em;
}

/* ── PROCESS STEPS — STAGGER ─────────────────────────── */
.step {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
}
.step.visible { opacity: 1; transform: translateY(0); }

.step-line {
  opacity: 0;
  transition: opacity 0.6s ease;
}
.step-line.visible { opacity: 1; }

/* ── PILLAR CARDS ────────────────────────────────────── */
.pillar {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.pillar.visible { opacity: 1; transform: translateY(0); }

/* ── BEAT CARDS SCROLL REVEAL ────────────────────────── */
/* Cards start visible — JS adds animation class only after IntersectionObserver is ready */
.beat-card.anim-ready {
  opacity: 0;
  transform: translateY(24px);
}
.beat-card.anim-ready.card-visible {
  opacity: 1;
  transform: translateY(0);
}
.beat-card.beat-sold.anim-ready.card-visible { opacity: 0.38; }

/* ── SMOOTH SCROLL HINT ──────────────────────────────── */
html {
  scroll-behavior: smooth;
}

/* ── GOLD BORDER GLOW ON HOVER (pillars) ─────────────── */
.pillar {
  border: 1px solid transparent;
  padding: 28px 20px;
  transition: border-color 0.4s ease,
              opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.pillar:hover {
  border-color: var(--gold-border);
}

/* ── NAV LINK UNDERLINE REVEAL ───────────────────────── */
.nav-links a {
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav-links a:hover::after { width: 100%; }

/* ── PLAY BUTTON RIPPLE ──────────────────────────────── */
.play-btn {
  position: relative;
  overflow: hidden;
}
.play-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.35) 0%, transparent 65%);
  opacity: 0;
  transform: scale(0.2);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.play-btn.playing::after {
  opacity: 1;
  transform: scale(1.4);
  animation: playerPulse 2s ease-in-out infinite;
}
@keyframes playerPulse {
  0%,100% { opacity: 0.4; transform: scale(1.2); }
  50%      { opacity: 0.8; transform: scale(1.5); }
}

/* ── FOOTER ENTRANCE ─────────────────────────────────── */
.footer-logo {
  letter-spacing: 0.45em;
  transition: letter-spacing 1s cubic-bezier(0.22, 1, 0.36, 1), opacity 1s ease;
}

/* ── AMBIENT GLOW PULSE (hero section bg) ────────────── */
@keyframes ambientShift {
  0%   { opacity: 0.55; }
  50%  { opacity: 0.85; }
  100% { opacity: 0.55; }
}
.hero-glow {
  animation: ambientShift 8s ease-in-out infinite;
}