/* Black Vault — dedicated top-tier art direction */
body.pack-theme-black {
  --vault-white: #f5f5f2;
  --vault-silver: #b9b9b6;
  --vault-line: rgba(255, 255, 255, .16);
  background: #000;
}

body.pack-theme-black::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, transparent 0 48%, rgba(255,255,255,.018) 50%, transparent 52%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.009) 0 1px, transparent 1px 7px),
    #000;
  content: "";
  pointer-events: none;
}

.pack-theme-black .pack-grain { opacity: .055; mix-blend-mode: screen; }

.pack-theme-black .pack-header {
  width: min(calc(100% - 42px), 1320px);
  height: 60px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(3,3,4,.78) 7%, rgba(5,5,6,.92) 20%, rgba(2,2,3,.94) 50%, rgba(5,5,6,.92) 80%, rgba(3,3,4,.78) 93%, transparent 100%);
  box-shadow: 0 24px 70px -38px rgba(0,0,0,.98);
  backdrop-filter: blur(30px) saturate(115%);
}

.pack-theme-black .pack-header.is-compact { width: min(calc(100% - 64px), 1200px); height: 50px; border-radius: 0; }
.pack-theme-black .access-label { color: #d2d2cf; letter-spacing: .32em; }
.pack-theme-black .header-buy { border-radius: 0; padding-inline: 1.25rem; }

.pack-theme-black .pack-hero {
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  min-height: 100svh;
  padding-top: 8.3rem;
  padding-bottom: 5.5rem;
  background:
    linear-gradient(90deg, #000 0%, rgba(0,0,0,.96) 39%, rgba(0,0,0,.22) 68%, #000 100%),
    radial-gradient(circle at 75% 46%, rgba(255,255,255,.3), rgba(70,70,74,.16) 22%, transparent 54%),
    #000;
}

.pack-theme-black .pack-hero::before {
  top: -12%;
  right: -4%;
  width: 66vw;
  height: 66vw;
  background: conic-gradient(from 190deg, transparent, rgba(255,255,255,.045), transparent 28%, rgba(255,255,255,.025), transparent 64%);
  filter: blur(10px);
  animation-duration: 40s;
}

.pack-theme-black .pack-copy { max-width: 690px; }
.pack-theme-black .pack-kicker { margin-bottom: 1.6rem; color: #d4d4d1; letter-spacing: .24em; }
.pack-theme-black .pack-kicker span { width: 42px; box-shadow: 0 0 16px rgba(255,255,255,.7); }
.pack-theme-black .pack-hero h1 { font-size: clamp(5.6rem, 8.8vw, 10.8rem); line-height: .72; letter-spacing: -.075em; }
.pack-theme-black .pack-hero h1 em { background: linear-gradient(110deg, #686868, #fff 30%, #8b8b8b 52%, #fff 76%, #6d6d6d); background-clip: text; }
.pack-theme-black .pack-lead { max-width: 650px; margin: 2.15rem 0 1.65rem; color: #bcbcb8; }
.pack-theme-black .pack-price { margin: 0 0 1.55rem; font-size: clamp(3.7rem, 5.4vw, 6rem); font-weight: 600; letter-spacing: -.065em; }

.pack-theme-black .hero-proof {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 700px;
  gap: 0;
  margin-bottom: 1.8rem;
  padding: 1.15rem 0;
  border-color: rgba(255,255,255,.2);
}

.pack-theme-black .hero-proof li { min-height: 46px; padding: 0 .9rem; border-right: 1px solid rgba(255,255,255,.14); color: #ddd; font-size: .61rem; line-height: 1.45; }
.pack-theme-black .hero-proof li:first-child { padding-left: 0; }
.pack-theme-black .hero-proof li:last-child { border-right: 0; }
.pack-theme-black .hero-proof li::before { display: block; margin: 0 0 .4rem; color: #fff; content: "◇"; font-size: .9rem; }

.pack-theme-black .pack-actions { gap: .9rem; }
.pack-theme-black .pack-button { min-height: 58px; border-radius: 0; padding-inline: 1.7rem; }
.pack-theme-black .pack-button.secondary { border-color: rgba(255,255,255,.34); background: rgba(0,0,0,.56); }
.pack-theme-black .pack-button.secondary:hover { border-color: #fff; background: rgba(255,255,255,.055); }

.pack-theme-black .product-stage { min-height: 690px; }
.pack-theme-black .product-stage::before { inset: 4%; filter: blur(52px); }
.pack-theme-black .product-glow { width: 78%; height: 78%; }
.pack-theme-black .edition { right: 2%; bottom: 4%; color: rgba(255,255,255,.48); letter-spacing: .22em; }

.pack-theme-black .proof-strip {
  position: relative;
  z-index: 4;
  justify-content: space-evenly;
  min-height: 86px;
  padding: 1.25rem var(--content-gutter);
  border-color: rgba(255,255,255,.55);
  background: linear-gradient(105deg, #030303, #171719 35%, #050505 64%, #1a1a1c 82%, #030303);
  box-shadow: inset 0 1px rgba(255,255,255,.13), inset 0 -1px rgba(255,255,255,.13), 0 20px 70px rgba(0,0,0,.6);
  color: #ededeb;
  transform: skewY(-.65deg);
}

.pack-theme-black .proof-strip > * { transform: skewY(.65deg); }
.pack-theme-black .proof-strip i { color: #6d6d6a; }

.pack-theme-black .pack-section { padding-block: clamp(7.5rem, 11vw, 12rem); }
.pack-theme-black .inside { position: relative; background: linear-gradient(180deg, #020202, #070708 48%, #010101); }
.pack-theme-black .inside::before { position: absolute; inset: 0; background: repeating-linear-gradient(90deg, transparent 0 8px, rgba(255,255,255,.012) 8px 9px); content: ""; pointer-events: none; }
.pack-theme-black .section-intro { position: relative; grid-template-columns: 1fr; max-width: 1250px; margin-bottom: 4.5rem; }
.pack-theme-black .section-intro > p { margin-bottom: 1rem; letter-spacing: .22em; }
.pack-theme-black .section-intro h2,
.pack-theme-black .sound-copy h2,
.pack-theme-black .fit-copy h2,
.pack-theme-black .checkout h2 { font-family: "Inter Tight", Arial, sans-serif; font-weight: 700; letter-spacing: -.065em; line-height: .86; }

.pack-theme-black .section-intro h2 { max-width: 1180px; font-size: clamp(4.2rem, 7.2vw, 8.5rem); }
.pack-theme-black .inside-grid { position: relative; grid-template-columns: repeat(4, 1fr); border: 0; border-top: 1px solid rgba(255,255,255,.42); }
.pack-theme-black .inside-grid article { min-height: 360px; padding: 2.1rem 2rem 2.4rem; border: 0; border-right: 1px solid rgba(255,255,255,.18); background: transparent; }
.pack-theme-black .inside-grid article:last-child { border-right: 0; }
.pack-theme-black .inside-grid article:hover { background: linear-gradient(180deg, rgba(255,255,255,.055), transparent 72%); transform: translateY(-7px); }
.pack-theme-black .inside-grid span { display: block; background: linear-gradient(115deg, #555, #fff 50%, #6a6a6a); background-clip: text; color: transparent; font-family: "Inter Tight", Arial, sans-serif; font-size: clamp(4.8rem, 7vw, 7.5rem); font-weight: 700; line-height: 1; }
.pack-theme-black .inside-grid h3 { margin: 2.5rem 0 1rem; font-family: "Inter Tight", Arial, sans-serif; font-size: 1.35rem; font-weight: 600; letter-spacing: -.025em; text-transform: uppercase; }
.pack-theme-black .inside-grid p { color: #a2a29f; font-size: .94rem; }

.pack-theme-black .sound-section {
  grid-template-columns: .72fr 1.28fr;
  gap: clamp(4rem, 8vw, 10rem);
  min-height: 88vh;
  border-color: rgba(255,255,255,.18);
  background:
    linear-gradient(90deg, rgba(255,255,255,.018), transparent 32%),
    radial-gradient(circle at 6% 40%, rgba(255,255,255,.12), transparent 24%),
    #000;
}

.pack-theme-black .sound-copy h2 { font-size: clamp(4.2rem, 6.6vw, 7.7rem); }
.pack-theme-black .sound-copy > span { color: #aaa; letter-spacing: .035em; }
.pack-theme-black .pack-tracks { border-color: rgba(255,255,255,.24); }
.pack-theme-black .pack-tracks article { min-height: 132px; grid-template-columns: 64px minmax(155px,.65fr) minmax(260px,1.35fr) 70px; border-color: rgba(255,255,255,.14); }
.pack-theme-black .pack-tracks button { width: 54px; height: 54px; border-color: rgba(255,255,255,.7); font-size: .72rem; box-shadow: 0 0 0 1px rgba(0,0,0,.7), 0 0 26px rgba(255,255,255,.055); }
.pack-theme-black .pack-tracks strong { font-family: "Inter Tight", Arial, sans-serif; font-size: 1.23rem; font-weight: 600; text-transform: uppercase; }
.pack-theme-black .pack-tracks article:hover,
.pack-theme-black .pack-tracks article.is-playing { background: linear-gradient(90deg, rgba(255,255,255,.075), transparent); }
.pack-theme-black .mini-wave { height: 54px; }
.pack-theme-black .mini-wave i { background: #eee; opacity: .52; }

.pack-theme-black .fit { position: relative; grid-template-columns: 1.05fr .95fr; min-height: 92vh; background: linear-gradient(90deg, #000, #060607 55%, #000); }
.pack-theme-black .fit::before { position: absolute; top: 10%; bottom: 10%; left: 50%; width: 1px; background: linear-gradient(transparent, rgba(255,255,255,.2), transparent); content: ""; }
.pack-theme-black .fit-visual img { aspect-ratio: 1.25; filter: grayscale(1) contrast(1.35) brightness(.75); -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 82%, transparent), linear-gradient(to bottom, transparent, #000 14%, #000 88%, transparent); mask-image: linear-gradient(to right, transparent, #000 15%, #000 82%, transparent), linear-gradient(to bottom, transparent, #000 14%, #000 88%, transparent); -webkit-mask-composite: source-in; mask-composite: intersect; }
.pack-theme-black .fit-copy h2 { font-size: clamp(4.2rem, 6.4vw, 7.4rem); }
.pack-theme-black .fit-copy ul { border-color: rgba(255,255,255,.2); }
.pack-theme-black .fit-copy li { padding: 1.15rem 0; border-color: rgba(255,255,255,.14); color: #c0c0bd; }
.pack-theme-black .fit-copy li::before { color: #fff; content: "◇"; }

.pack-theme-black .checkout {
  min-height: 100svh;
  background:
    linear-gradient(90deg, #000 0 22%, transparent 43% 57%, #000 78% 100%),
    radial-gradient(ellipse at 50% 45%, rgba(255,255,255,.38), rgba(255,255,255,.07) 24%, transparent 57%),
    #000;
}

.pack-theme-black .checkout::before,
.pack-theme-black .checkout::after { position: absolute; top: 10%; bottom: 10%; width: 1px; background: linear-gradient(transparent, rgba(255,255,255,.3), transparent); content: ""; }
.pack-theme-black .checkout::before { left: 16%; }
.pack-theme-black .checkout::after { right: 16%; }
.pack-theme-black .checkout > img { width: min(52vw, 620px); opacity: .065; filter: drop-shadow(0 0 40px rgba(255,255,255,.2)); }
.pack-theme-black .checkout-light { width: 42vw; height: 55vw; background: rgba(255,255,255,.17); filter: blur(130px); animation: vault-light 6s ease-in-out infinite alternate; }
.pack-theme-black .checkout h2 { max-width: 1250px; font-size: clamp(5.1rem, 8.5vw, 10rem); }
.pack-theme-black .checkout-note { margin: 2.6rem 0; color: #c3c3c0; letter-spacing: .12em; }
.pack-theme-black .checkout-actions { width: min(100%, 880px); }
.pack-theme-black .checkout-actions .pack-button { flex: 1 1 330px; }
.pack-theme-black .checkout small { color: #747471; }

.pack-theme-black .faq { max-width: 1280px; }
.pack-theme-black .faq > p { letter-spacing: .24em; }
.pack-theme-black .faq details { border-color: rgba(255,255,255,.16); }
.pack-theme-black .faq summary { padding: 1.75rem 0; font-family: "DM Mono", monospace; font-size: .77rem; letter-spacing: .08em; text-transform: uppercase; }
.pack-theme-black .faq summary span { font-size: 1.55rem; }
.pack-theme-black .pack-footer { border-top: 1px solid rgba(255,255,255,.12); background: #000; }

@keyframes vault-light { from { opacity: .55; transform: scale(.86); } to { opacity: 1; transform: scale(1.12); } }

@media (max-width: 1100px) {
  .pack-theme-black .hero-proof { grid-template-columns: repeat(2, 1fr); }
  .pack-theme-black .hero-proof li:nth-child(2) { border-right: 0; }
  .pack-theme-black .inside-grid { grid-template-columns: repeat(2, 1fr); }
  .pack-theme-black .inside-grid article:nth-child(2) { border-right: 0; }
  .pack-theme-black .inside-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.18); }
}

@media (max-width: 940px) {
  .pack-theme-black .pack-hero { grid-template-columns: 1fr; }
  .pack-theme-black .product-stage { min-height: 620px; }
  .pack-theme-black .fit::before { display: none; }
}

@media (max-width: 620px) {
  .pack-theme-black .pack-header { width: calc(100% - 8px); height: 52px; border-radius: 0; }
  .pack-theme-black .pack-header.is-compact { width: calc(100% - 16px); height: 46px; border-radius: 0; }
  .pack-theme-black .pack-hero { padding-top: 7.25rem; }
  .pack-theme-black .pack-hero h1 { font-size: clamp(4rem, 19vw, 5.9rem); }
  .pack-theme-black .pack-price { font-size: 3.5rem; }
  .pack-theme-black .hero-proof { grid-template-columns: 1fr 1fr; }
  .pack-theme-black .hero-proof li { padding: .75rem; border-bottom: 1px solid rgba(255,255,255,.12); }
  .pack-theme-black .product-stage { min-height: 430px; }
  .pack-theme-black .proof-strip { min-height: auto; transform: none; }
  .pack-theme-black .proof-strip > * { transform: none; }
  .pack-theme-black .inside-grid { grid-template-columns: 1fr; }
  .pack-theme-black .inside-grid article { min-height: 280px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.16); }
  .pack-theme-black .inside-grid article:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.16); }
  .pack-theme-black .inside-grid span { font-size: 5rem; }
  .pack-theme-black .sound-section { min-height: auto; }
  .pack-theme-black .pack-tracks article { grid-template-columns: 54px 1fr 52px; }
  .pack-theme-black .fit { min-height: auto; }
  .pack-theme-black .checkout::before,
  .pack-theme-black .checkout::after { display: none; }
  .pack-theme-black .checkout h2 { font-size: clamp(3.8rem, 17vw, 6rem); }
  .pack-theme-black .checkout-light { width: 92vw; height: 100vw; }
}