/* =========================================================
   CỬU SẮC — design system
   ========================================================= */
:root {
  --bg: #070607;
  --bg-soft: #0c0a0b;
  --surface: rgba(20, 14, 13, .88);
  --surface-solid: #140e0d;
  --red: #b4402f;
  --red-deep: #6f2018;
  --red-glow: rgba(180, 64, 47, .5);
  --gold: #d9bd92;
  --gold-soft: #b49a76;
  --gold-dim: #8d785a;
  --ivory: #f2e9da;
  --text: #d8cfc2;
  --muted: #a89c8d;
  --line: rgba(217, 189, 146, .26);
  --line-soft: rgba(217, 189, 146, .13);
  --card-aspect: 772 / 1048;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-panel: 18px;
  --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
  --font-body: 'Lora', Georgia, serif;
  --fs-display: clamp(2.6rem, 1.7rem + 3.5vw, 5.2rem);
  --fs-h1: clamp(2rem, 1.5rem + 2vw, 3.4rem);
  --fs-h2: clamp(1.55rem, 1.25rem + 1.25vw, 2.5rem);
  --fs-h3: clamp(1.2rem, 1.05rem + .55vw, 1.6rem);
  --fs-body: clamp(1rem, .95rem + .18vw, 1.1rem);
  --fs-sm: clamp(.85rem, .82rem + .1vw, .93rem);
  --fs-xs: clamp(.7rem, .68rem + .08vw, .78rem);
  --gutter: clamp(1.1rem, 5vw, 4.5rem);
  --section: clamp(4.5rem, 3rem + 6vw, 9rem);
  --container: 1280px;
  --narrow: 880px;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --ease-back: cubic-bezier(.34, 1.4, .64, 1);
  --dur: .35s;
  --dur-slow: .8s;
  --flip-dur: .85s;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, .55);
  --glow: 0 0 0 1px rgba(217, 189, 146, .25), 0 20px 55px rgba(0, 0, 0, .6), 0 0 45px rgba(180, 64, 47, .28);
}

*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(60vw 60vw at 78% -10%, rgba(111, 32, 24, .28), transparent 65%),
    radial-gradient(50vw 50vw at 5% 35%, rgba(217, 189, 146, .05), transparent 70%),
    radial-gradient(55vw 45vw at 60% 110%, rgba(111, 32, 24, .2), transparent 70%),
    linear-gradient(180deg, #080606 0%, #070607 45%, #0a0708 100%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.15;
  text-wrap: balance;
  color: var(--ivory);
}
p { text-wrap: pretty; }
[hidden] { display: none !important; }
::selection { background: var(--red); color: #fff; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; border-radius: 3px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  top: .75rem; left: .75rem;
  z-index: 200;
  padding: .55rem 1rem;
  background: var(--red-deep);
  color: var(--ivory);
  border: 1px solid var(--gold);
  border-radius: 4px;
  transform: translateY(-200%);
  transition: transform .2s;
}
.skip-link:focus { transform: none; }

/* ---------- layout ---------- */
.container {
  width: min(100% - 2 * var(--gutter), var(--container));
  margin-inline: auto;
}
.container--narrow { width: min(100% - 2 * var(--gutter), var(--narrow)); }

main { display: block; }

.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(2rem, 4vw, 4rem); }

/* ---------- type utilities ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .8rem;
  color: var(--gold-soft);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  letter-spacing: .32em;
  text-transform: uppercase;
  line-height: 1.4;
}
.eyebrow::before {
  content: '';
  width: 2.2rem;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim));
}
.eyebrow--center::after {
  content: '';
  width: 2.2rem;
  height: 1px;
  background: linear-gradient(90deg, var(--gold-dim), transparent);
}
.display {
  font-size: var(--fs-display);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--ivory);
}
.display em {
  font-style: italic;
  color: var(--gold);
}
.h1 { font-size: var(--fs-h1); color: var(--ivory); line-height: 1.08; }
.h2 { font-size: var(--fs-h2); color: var(--ivory); line-height: 1.1; }
.h3 { font-size: var(--fs-h3); color: var(--ivory); }
.lead { font-size: clamp(1.02rem, .97rem + .3vw, 1.2rem); color: var(--text); line-height: 1.8; }
.muted { color: var(--muted); }
.small { font-size: var(--fs-sm); }
.tiny { font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase; color: var(--gold-soft); }
.gold { color: var(--gold); }
.center { text-align: center; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.divider {
  border: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 18%, var(--gold-dim) 50%, var(--line) 82%, transparent);
  position: relative;
  margin-block: 1.4rem;
}
.divider--ornament::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 7px; height: 7px;
  background: var(--gold-soft);
  transform: translate(-50%, -50%) rotate(45deg);
  box-shadow: 0 0 12px rgba(217, 189, 146, .45);
}
.divider--start {
  background: linear-gradient(90deg, var(--gold-soft) 40%, transparent);
  max-width: 9rem;
  height: 2px;
}

/* ---------- buttons ---------- */
.btn {
  --btn-bg: linear-gradient(180deg, rgba(111, 32, 24, .92), rgba(70, 18, 14, .96));
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .65rem;
  min-height: 3.15rem;
  padding: .8rem 1.7rem;
  border: 1px solid rgba(217, 189, 146, .6);
  background: var(--btn-bg);
  color: var(--ivory);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  letter-spacing: .14em;
  text-transform: uppercase;
  line-height: 1.2;
  cursor: pointer;
  clip-path: polygon(12px 0, calc(100% - 12px) 0, 100% 12px, 100% calc(100% - 12px), calc(100% - 12px) 100%, 12px 100%, 0 calc(100% - 12px), 0 12px);
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .35);
}
.btn::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(217, 189, 146, .22);
  clip-path: inherit;
  pointer-events: none;
}
.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.13);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .4), 0 0 26px rgba(180, 64, 47, .35);
}
.btn:active { transform: translateY(0); }
.btn[disabled] { opacity: .55; cursor: wait; filter: grayscale(.3); transform: none; }
.btn--ghost {
  --btn-bg: rgba(10, 7, 7, .5);
  border-color: var(--line);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--gold-soft);
  color: var(--ivory);
  box-shadow: 0 0 22px rgba(217, 189, 146, .13);
}
.btn--gold {
  --btn-bg: linear-gradient(180deg, #e2c99f, #b99a6f);
  color: #241713;
  border-color: #ecd7b4;
  font-weight: 500;
}
.btn--lg { min-height: 3.9rem; padding-inline: 2.3rem; font-size: 1rem; letter-spacing: .18em; }
.btn--sm { min-height: 2.6rem; padding: .55rem 1.15rem; font-size: var(--fs-xs); }
.btn--block { width: 100%; }
.btn__icon { width: 1.05rem; height: 1.05rem; flex: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: var(--gold-soft);
  font-size: var(--fs-sm);
  transition: color var(--dur), gap var(--dur);
}
.link-arrow:hover { color: var(--gold); gap: .8rem; }
.link-arrow svg { width: 1rem; height: 1rem; }

/* ---------- tags / panels ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  padding: .32em .9em;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(217, 189, 146, .05);
  color: var(--gold-soft);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  line-height: 1.5;
}
.tag--red { border-color: rgba(180, 64, 47, .45); color: #e6a08d; background: rgba(111, 32, 24, .18); }

.panel {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(120% 100% at 20% 0%, rgba(217, 189, 146, .045), transparent 55%),
    linear-gradient(165deg, rgba(27, 19, 18, .92), rgba(12, 9, 9, .96));
  padding: clamp(1.3rem, 2.4vw, 2.2rem);
  transition: border-color var(--dur), background var(--dur), transform var(--dur) var(--ease), box-shadow var(--dur);
}
.panel::after {
  content: '';
  position: absolute;
  top: 10px; left: 10px;
  width: 16px; height: 16px;
  border-top: 1px solid rgba(217, 189, 146, .4);
  border-left: 1px solid rgba(217, 189, 146, .4);
  border-top-left-radius: 3px;
  pointer-events: none;
}
.panel::before {
  content: '';
  position: absolute;
  right: 10px; bottom: 10px;
  width: 16px; height: 16px;
  border-bottom: 1px solid rgba(217, 189, 146, .4);
  border-right: 1px solid rgba(217, 189, 146, .4);
  border-bottom-right-radius: 3px;
  pointer-events: none;
}

/* =========================================================
   CARD COMPONENT (3D tilt + layered parallax)
   ========================================================= */
.card {
  --tilt-x: 11deg;
  --tilt-y: 13deg;
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: var(--card-aspect);
  perspective: 900px;
  -webkit-tap-highlight-color: transparent;
}
.card__tilt {
  position: relative;
  height: 100%;
  border-radius: var(--radius);
  transform-style: preserve-3d;
  transform: rotateX(calc(var(--py, 0) * var(--tilt-x) * -1)) rotateY(calc(var(--px, 0) * var(--tilt-y))) rotateZ(var(--rz, 0deg));
  translate: 0 var(--lift, 0);
  scale: var(--scale, 1);
  transition: translate .5s var(--ease-back), scale .5s var(--ease-back), box-shadow .35s var(--ease);
  box-shadow: var(--shadow-card);
  will-change: transform;
}
.card[data-tilt]:hover .card__tilt,
.card.is-active .card__tilt {
  --lift: -10px;
  --scale: 1.035;
  box-shadow:
    calc(var(--px, 0) * -14px) calc(var(--py, 0) * -14px + 20px) 34px rgba(0, 0, 0, .58),
    0 0 42px rgba(180, 64, 47, .3);
}
.card__inner {
  position: relative;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform var(--flip-dur) cubic-bezier(.62, .02, .3, 1);
}
.card[data-face="down"] .card__inner { transform: rotateY(180deg); }
.card__face {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
  background: #100b0a;
}
.card__face::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(217, 189, 146, .16), inset 0 0 32px rgba(0, 0, 0, .38);
  pointer-events: none;
  z-index: 9;
}
.card__back { transform: rotateY(180deg); }

.card__art {
  position: absolute;
  inset: 0;
  background: #0d0a09;
  overflow: hidden;
  isolation: isolate;
}
.card__stage {
  position: absolute;
  inset: 0;
  z-index: 2;
  overflow: hidden;
}
.card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  z-index: 2;
  transform-origin: 50% 50%;
  transform:
    translate3d(
      calc(var(--px, 0) * var(--art-depth, 9px)),
      calc(var(--py, 0) * var(--art-depth, 9px)),
      0
    )
    scale(1.075);
  will-change: transform;
}
.card__frame {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image: var(--frame-src, none);
  background-position: 50% 50%;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  -webkit-mask-image: url("../cards/frame-mask.png");
  mask-image: url("../cards/frame-mask.png");
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: 50% 50%;
  mask-position: 50% 50%;
}
.card__shade {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  opacity: .85;
  background-image: url("../cards/window-shade.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
}
.card__light {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  opacity: .62;
  background:
    radial-gradient(circle at calc(50% + var(--px, 0) * 30%) calc(46% + var(--py, 0) * 26%), rgba(255, 238, 202, .2), rgba(255, 214, 150, .05) 34%, transparent 58%),
    linear-gradient(calc(118deg + var(--px, 0) * 20deg), transparent 30%, rgba(255, 246, 222, .1) 46%, transparent 58%);
  mix-blend-mode: screen;
}
.card__gloss {
  position: absolute;
  inset: 0;
  z-index: 8;
  pointer-events: none;
  background: radial-gradient(circle at calc(50% + var(--px, 0) * 32%) calc(45% + var(--py, 0) * 32%), rgba(255, 243, 218, .15), transparent 52%);
  mix-blend-mode: screen;
  opacity: .8;
}
@media (prefers-reduced-motion: no-preference) {
  .card__img.is-loaded {
    animation: card-art-idle 11s ease-in-out infinite alternate;
    animation-delay: calc(var(--phase, 0) * -12s);
  }
}
@keyframes card-art-idle {
  from { translate: 0 -3px; }
  to { translate: 0 3px; }
}

.card__fallback {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: .45rem;
  padding: 12%;
  text-align: center;
  color: var(--gold);
  background:
    radial-gradient(circle at 50% 33%, rgba(217, 189, 146, .12), transparent 42%),
    radial-gradient(circle at 50% 110%, rgba(111, 32, 24, .5), transparent 55%),
    linear-gradient(165deg, #1e1411 0%, #100b0a 55%, #090606 100%);
  z-index: 1;
}
.card__fallback::before {
  content: '';
  position: absolute;
  inset: 5.5%;
  border: 1px solid rgba(217, 189, 146, .32);
  pointer-events: none;
}
.card__fallback::after {
  content: '';
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(217, 189, 146, .12);
  pointer-events: none;
}
.fb__num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.2vw, 6rem);
  line-height: .9;
  color: rgba(217, 189, 146, .9);
  letter-spacing: -.03em;
}
.fb__sigil {
  width: 22%;
  max-width: 54px;
  aspect-ratio: 1;
  color: rgba(217, 189, 146, .55);
  margin-bottom: .2rem;
}
.fb__name {
  font-family: var(--font-display);
  font-size: clamp(.95rem, 1.45vw, 1.7rem);
  letter-spacing: .08em;
  color: var(--ivory);
  text-transform: uppercase;
  line-height: 1.2;
}
.fb__vi {
  font-size: clamp(.56rem, .75vw, .8rem);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold-soft);
  opacity: .8;
}
.is-missing .card__img { display: none; }
.is-missing .card__frame,
.is-missing .card__shade,
.is-missing .card__light { display: none; }

/* ---------- card back: layered, original artwork ---------- */
.back__layer {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  translate: calc(var(--px, 0) * var(--d, 0) * 1px) calc(var(--py, 0) * var(--d, 0) * 1px);
}
.back__base {
  --d: 1.5;
  background:
    radial-gradient(circle at 50% 30%, rgba(217, 189, 146, .09), transparent 45%),
    radial-gradient(circle at 50% 50%, #2a1512 0%, #150c0b 52%, #080505 100%);
}
.back__base::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: .35;
  background-image:
    repeating-linear-gradient(45deg, rgba(217, 189, 146, .045) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(-45deg, rgba(217, 189, 146, .035) 0 1px, transparent 1px 9px);
  mask-image: radial-gradient(circle at 50% 50%, #000 15%, transparent 78%);
}
.back__base::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: .16;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
.back__smoke {
  --d: -4;
  opacity: .55;
  background:
    radial-gradient(45% 32% at 22% 82%, rgba(180, 64, 47, .28), transparent 70%),
    radial-gradient(40% 28% at 82% 22%, rgba(111, 32, 24, .35), transparent 70%);
  filter: blur(14px);
  animation: smoke-drift 14s ease-in-out infinite alternate;
}
.back__stars {
  --d: 2.5;
  opacity: .55;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(242, 233, 218, .9) 0 1px, transparent 1.8px),
    radial-gradient(circle at 76% 16%, rgba(242, 233, 218, .7) 0 1px, transparent 1.6px),
    radial-gradient(circle at 86% 64%, rgba(217, 189, 146, .8) 0 1.2px, transparent 2px),
    radial-gradient(circle at 30% 74%, rgba(242, 233, 218, .55) 0 1px, transparent 1.6px),
    radial-gradient(circle at 62% 87%, rgba(217, 189, 146, .5) 0 1px, transparent 1.6px),
    radial-gradient(circle at 12% 52%, rgba(242, 233, 218, .45) 0 .9px, transparent 1.5px),
    radial-gradient(circle at 94% 38%, rgba(242, 233, 218, .5) 0 1px, transparent 1.6px);
  background-size: 100% 100%;
}
.back__ring {
  --d: 3.5;
  inset: 20%;
  border-radius: 50%;
  border: 1px solid rgba(217, 189, 146, .35);
  box-shadow: 0 0 0 7px rgba(217, 189, 146, .04), inset 0 0 24px rgba(180, 64, 47, .18);
  rotate: 0deg;
  animation: ring-spin 70s linear infinite;
}
.back__ring::before {
  content: '';
  position: absolute;
  inset: 7%;
  border: 1px dashed rgba(217, 189, 146, .28);
  border-radius: 50%;
}
.back__ring::after {
  content: '';
  position: absolute;
  width: 7px; height: 7px;
  top: -4px; left: 50%;
  translate: -50% 0;
  background: var(--gold);
  rotate: 45deg;
  box-shadow: 0 0 10px rgba(217, 189, 146, .8);
}
.back__sigil {
  --d: 5;
  position: absolute;
  inset: 0;
  margin: auto;
  width: 52%;
  height: auto;
  color: var(--gold);
  filter: drop-shadow(0 0 12px rgba(180, 64, 47, .4));
  animation: sigil-breathe 6s ease-in-out infinite alternate;
  translate: calc(var(--px, 0) * var(--d) * 1px) calc(var(--py, 0) * var(--d) * 1px);
}
.back__sigil svg { width: 100%; height: auto; }
.back__frame {
  --d: 1;
  inset: 4.5%;
  border: 1px solid rgba(217, 189, 146, .5);
  border-radius: calc(var(--radius) * .6);
  background:
    radial-gradient(circle at 0 0, rgba(217, 189, 146, .85) 0 2px, transparent 2.5px),
    radial-gradient(circle at 100% 0, rgba(217, 189, 146, .85) 0 2px, transparent 2.5px),
    radial-gradient(circle at 0 100%, rgba(217, 189, 146, .85) 0 2px, transparent 2.5px),
    radial-gradient(circle at 100% 100%, rgba(217, 189, 146, .85) 0 2px, transparent 2.5px);
}
.back__frame::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(217, 189, 146, .2);
  border-radius: 4px;
}
.back__frame::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 74%; height: 1px;
  translate: -50% -50%;
  background: linear-gradient(90deg, transparent, rgba(217, 189, 146, .22), transparent);
}
.back__vignette {
  --d: 0;
  box-shadow: inset 0 0 50px rgba(0, 0, 0, .75), inset 0 0 8px rgba(0, 0, 0, .8);
}
.back__custom-wrap {
  position: absolute;
  inset: 0;
  z-index: 7;
  border-radius: inherit;
  overflow: hidden;
  opacity: 0;
  transition: opacity .5s ease;
}
.card[data-custom-back] .back__custom-wrap { opacity: 1; }
.back__custom {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 1;
}
.back__custom-lotus {
  position: absolute;
  inset: 0;
  z-index: 2;
  background-image: var(--back-src, none);
  background-position: 50% 50%;
  background-size: 100% 100%;
  opacity: 0;
  transform:
    translate3d(
      calc(var(--px, 0) * 11px),
      calc(var(--py, 0) * 11px),
      0
    )
    scale(1.035);
  -webkit-mask-image: radial-gradient(ellipse 35% 26% at 50% 52%, #000 54%, rgba(0, 0, 0, .8) 68%, transparent 88%);
  mask-image: radial-gradient(ellipse 35% 26% at 50% 52%, #000 54%, rgba(0, 0, 0, .8) 68%, transparent 88%);
  will-change: transform;
  transition: opacity .7s ease .1s;
}
.card[data-custom-back] .back__custom-lotus { opacity: .92; }
.back__custom-light {
  position: absolute;
  inset: 0;
  z-index: 8;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  background:
    radial-gradient(circle at calc(50% + var(--px, 0) * 34%) calc(46% + var(--py, 0) * 28%), rgba(255, 241, 206, .2), transparent 46%),
    linear-gradient(calc(126deg + var(--px, 0) * 18deg), transparent 36%, rgba(255, 248, 224, .11) 48%, transparent 60%);
  mix-blend-mode: screen;
  transition: opacity .5s ease;
}
.card[data-custom-back] .back__custom-light { opacity: .8; }
.card[data-custom-back] .back__base,
.card[data-custom-back] .back__smoke,
.card[data-custom-back] .back__stars,
.card[data-custom-back] .back__ring,
.card[data-custom-back] .back__sigil,
.card[data-custom-back] .back__frame { opacity: 0; }

@keyframes ring-spin { to { rotate: 360deg; } }
@keyframes sigil-breathe {
  from { scale: .985; opacity: .8; }
  to { scale: 1.015; opacity: 1; }
}
@keyframes smoke-drift {
  from { transform: translate3d(-2%, 1%, 0) scale(1.02); }
  to { transform: translate3d(2%, -2%, 0) scale(1.08); }
}

.back__sigil { animation: sigil-breathe 6s ease-in-out infinite alternate; }
.card[data-offscreen] .card__face * { animation-play-state: paused !important; }
html[data-lowend] .card__img,
html[data-lowend] .back__sigil,
html[data-lowend] .back__smoke,
html[data-lowend] .back__ring { animation: none !important; }

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-block: clamp(.8rem, 1.6vw, 1.4rem);
  transition: background var(--dur), padding var(--dur), border-color var(--dur);
  border-bottom: 1px solid transparent;
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 6, 7, .96) 0%, rgba(7, 6, 7, .75) 55%, transparent 100%);
  opacity: 0;
  transition: opacity var(--dur);
}
.site-header.is-scrolled {
  padding-block: .6rem;
  border-bottom-color: var(--line-soft);
  background: rgba(8, 6, 7, .82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.site-header.is-scrolled::before { opacity: 1; }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  flex: none;
  color: var(--ivory);
}
.logo__mark {
  width: clamp(2.2rem, 3.4vw, 2.8rem);
  aspect-ratio: 1;
  color: var(--gold);
  filter: drop-shadow(0 0 10px rgba(180, 64, 47, .35));
  transition: rotate var(--dur-slow) var(--ease);
}
.logo:hover .logo__mark { rotate: 12deg; }
.logo__text { display: grid; gap: .05rem; }
.logo__name {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 1.7vw, 1.5rem);
  letter-spacing: .12em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--ivory);
}
.logo__sub {
  font-size: .58rem;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--gold-soft);
  line-height: 1.4;
}
.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 2.4rem);
  list-style: none;
}
.site-nav a {
  position: relative;
  display: inline-block;
  padding-block: .35rem;
  color: var(--muted);
  font-size: var(--fs-sm);
  letter-spacing: .08em;
  transition: color var(--dur);
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--red), var(--gold-soft));
  transition: right var(--dur-slow) var(--ease);
}
.site-nav a:hover { color: var(--ivory); }
.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after { right: 0; }
.site-nav a[aria-current="page"] { color: var(--gold); }
.header__actions { display: flex; align-items: center; gap: .8rem; flex: none; }
.menu-toggle {
  display: none;
  width: 2.7rem; height: 2.7rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: var(--gold-soft);
  transition: border-color var(--dur), color var(--dur);
}
.menu-toggle:hover { border-color: var(--gold); color: var(--gold); }
.menu-toggle span {
  display: block;
  width: 17px; height: 1px;
  background: currentColor;
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 17px; height: 1px;
  background: currentColor;
}
.menu-toggle span::before { top: -5px; }
.menu-toggle span::after { top: 5px; }

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 150;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 2rem;
  background:
    radial-gradient(60% 50% at 50% 30%, rgba(111, 32, 24, .28), transparent 70%),
    rgba(6, 5, 5, .98);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur), visibility 0s linear var(--dur);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transition-delay: 0s; }
.mobile-nav__close {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  width: 2.8rem; height: 2.8rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold-soft);
  font-size: 1.5rem;
  line-height: 1;
}
.mobile-nav ul {
  list-style: none;
  display: grid;
  gap: 1.1rem;
  text-align: center;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 6vw, 2.4rem);
  color: var(--ivory);
  letter-spacing: .04em;
}
.mobile-nav a[aria-current="page"] { color: var(--gold); }
.mobile-nav__sigil { width: 3rem; color: var(--gold-dim); }
body.nav-open { overflow: hidden; }

@media (max-width: 1040px) {
  .site-nav { display: none; }
  .menu-toggle { display: inline-flex; }
  .header__actions .btn { display: none; }
}
@media (max-width: 520px) {
  .logo__sub { display: none; }
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: clamp(620px, 92vh, 920px);
  display: grid;
  align-items: center;
  padding-block: clamp(2rem, 4vw, 4rem) clamp(4rem, 6vw, 6rem);
  overflow: clip;
}
.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
}
.hero__copy { position: relative; z-index: 2; max-width: 38rem; }
.hero__title { margin-top: 1.2rem; }
.hero__title span { display: block; }
.hero__title .line-2 {
  font-style: italic;
  color: var(--gold);
  padding-left: clamp(.5rem, 3vw, 2.6rem);
  font-size: .62em;
  letter-spacing: .01em;
  margin-top: .12em;
}
.hero__lead { margin-top: 1.7rem; max-width: 34rem; color: var(--muted); }
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.4rem;
  margin-top: 2.2rem;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem 2.2rem;
  margin-top: 2.8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-soft);
}
.hero__meta-item { display: grid; gap: .15rem; }
.hero__meta-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
  line-height: 1;
}
.hero__meta-label {
  font-size: .62rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: clamp(380px, 48vw, 590px);
  translate: var(--hx, 0) var(--hy, 0);
  transition: translate 1.4s var(--ease);
}
.hero__halo {
  position: absolute;
  width: min(86%, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(217, 189, 146, .14);
  box-shadow:
    0 0 0 36px rgba(217, 189, 146, .028),
    0 0 0 37px rgba(217, 189, 146, .07),
    0 0 0 78px rgba(217, 189, 146, .016),
    0 0 90px rgba(180, 64, 47, .16) inset;
  background: radial-gradient(circle at 50% 50%, rgba(180, 64, 47, .16), transparent 65%);
}
.hero__halo::before,
.hero__halo::after {
  content: '';
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  border: 1px dashed rgba(217, 189, 146, .1);
}
.hero__halo::after {
  inset: 14%;
  border-style: solid;
  border-color: rgba(217, 189, 146, .09);
}
.hero__fan {
  position: relative;
  width: min(94%, 500px);
  aspect-ratio: 1 / 1.02;
  z-index: 2;
}
.hero__fan .fan__item {
  --x: 0%;
  --y: -4%;
  --r: 0deg;
  --z: 3;
  position: absolute;
  width: 44%;
  top: 10%;
  left: 50%;
  margin-left: -22%;
  transform-origin: 50% 90%;
  transform: translateX(var(--x)) translateY(var(--y)) rotate(var(--r));
  transition: transform 1s var(--ease);
  z-index: var(--z);
}
.hero__fan .fan__item:nth-child(1) { --x: -66%; --y: 10%; --r: -14deg; --z: 1; }
.hero__fan .fan__item:nth-child(2) { --x: -34%; --y: 4%; --r: -7deg; --z: 2; }
.hero__fan .fan__item:nth-child(4) { --x: 34%; --y: 4%; --r: 7deg; --z: 2; }
.hero__fan .fan__item:nth-child(5) { --x: 66%; --y: 10%; --r: 14deg; --z: 1; }
.hero__fan .card { --tilt-x: 7deg; --tilt-y: 9deg; }
.hero__fan:hover .fan__item:nth-child(1) { --x: -80%; --y: 7%; --r: -18deg; }
.hero__fan:hover .fan__item:nth-child(2) { --x: -41%; --y: 1%; --r: -9deg; }
.hero__fan:hover .fan__item:nth-child(3) { --y: -9%; }
.hero__fan:hover .fan__item:nth-child(4) { --x: 41%; --y: 1%; --r: 9deg; }
.hero__fan:hover .fan__item:nth-child(5) { --x: 80%; --y: 7%; --r: 18deg; }
.hero__scroll {
  position: absolute;
  bottom: clamp(1.2rem, 3vw, 2.2rem);
  left: 50%;
  translate: -50% 0;
  display: grid;
  justify-items: center;
  gap: .55rem;
  color: var(--gold-dim);
  font-size: .58rem;
  letter-spacing: .28em;
  text-transform: uppercase;
}
.hero__scroll::after {
  content: '';
  width: 1px; height: 44px;
  background: linear-gradient(180deg, var(--gold-dim), transparent);
  animation: scroll-line 2.6s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scroll-line {
  0%, 100% { transform: scaleY(.35); opacity: .35; }
  50% { transform: scaleY(1); opacity: .9; }
}
.firefly {
  position: absolute;
  width: var(--s, 4px);
  height: var(--s, 4px);
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 12px 2px rgba(217, 189, 146, .55);
  opacity: 0;
  pointer-events: none;
  animation: firefly-float var(--dur, 12s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}
.firefly--red { background: #e26044; box-shadow: 0 0 14px 3px rgba(180, 64, 47, .55); }
@keyframes firefly-float {
  0% { opacity: 0; transform: translate3d(0, 20px, 0) scale(.6); }
  15% { opacity: .9; }
  55% { opacity: .55; }
  100% { opacity: 0; transform: translate3d(var(--dx, 16px), calc(var(--dy, -80px)), 0) scale(1.15); }
}
.hero__sigil-bg {
  position: absolute;
  right: -10%;
  top: 4%;
  width: 46%;
  color: rgba(217, 189, 146, .05);
  z-index: 0;
  pointer-events: none;
}

@media (max-width: 980px) {
  .hero { min-height: 0; padding-top: 1.5rem; }
  .hero__inner { grid-template-columns: 1fr; gap: 1rem; }
  .hero__visual { order: -1; min-height: 0; width: min(100%, 470px); margin-inline: auto; }
  .hero__fan { width: min(90%, 430px); aspect-ratio: 1 / .86; }
  .hero__fan .fan__item {
    width: 38%;
    margin-left: -19%;
    margin-top: 0;
    top: 50%;
    translate: 0 -50%;
  }
  .hero__copy { text-align: left; }
  .hero__scroll { display: none; }
  .hero__title .line-2 { padding-left: 0; }
}
@media (max-width: 520px) {
  .hero__visual { margin-top: -.5rem; }
  .hero__actions { align-items: stretch; }
  .hero__actions .btn { width: 100%; }
  .hero__meta { gap: 1rem 1.6rem; }
}

/* =========================================================
   SECTIONS / FEATURES / SPLIT
   ========================================================= */
.section-head {
  display: grid;
  gap: 1rem;
  max-width: 46rem;
  margin-bottom: clamp(2rem, 3.5vw, 3.4rem);
}
.section-head--center {
  justify-items: center;
  text-align: center;
  margin-inline: auto;
}
.section-head .h2 { max-width: 24ch; }
.section-head p { color: var(--muted); }

.features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--line-soft);
}
.feature {
  position: relative;
  display: grid;
  align-content: start;
  gap: .7rem;
  padding: clamp(1.4rem, 2.6vw, 2.4rem);
  background:
    radial-gradient(100% 80% at 50% 0%, rgba(217, 189, 146, .04), transparent 70%),
    #0c0909;
  transition: background var(--dur), color var(--dur);
}
.feature::after {
  content: '';
  position: absolute;
  left: 1.4rem; right: 1.4rem; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--red), transparent);
  transform: scaleX(0);
  transition: transform var(--dur-slow) var(--ease);
}
.feature:hover::after { transform: scaleX(1); }
.feature:hover { background: radial-gradient(100% 80% at 50% 0%, rgba(180, 64, 47, .12), transparent 70%), #0f0a09; }
.feature__icon {
  width: 2.4rem; height: 2.4rem;
  color: var(--gold-soft);
  transition: color var(--dur), filter var(--dur), transform var(--dur);
}
.feature:hover .feature__icon { color: var(--gold); filter: drop-shadow(0 0 8px rgba(217, 189, 146, .35)); transform: translateY(-2px); }
.feature__num {
  position: absolute;
  top: 1.2rem; right: 1.4rem;
  font-family: var(--font-display);
  font-size: .95rem;
  color: rgba(217, 189, 146, .28);
}
.feature h3 { font-size: 1.28rem; margin-top: .3rem; }
.feature p { font-size: var(--fs-sm); color: var(--muted); line-height: 1.65; }
.feature .link-arrow { margin-top: .4rem; font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; }

.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: center;
  gap: clamp(2.4rem, 6vw, 6rem);
}
.split--reverse .split__intro { order: 2; }
.split__intro { display: grid; gap: 1.2rem; max-width: 32rem; }
.split__intro p { color: var(--muted); }
.split__intro .btn { justify-self: start; margin-top: .5rem; }
.split__visual { position: relative; }

.fan-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / .78;
  display: grid;
  place-items: center;
}
.fan {
  position: relative;
  width: min(100%, 540px);
  height: 100%;
}
.fan__item {
  position: absolute;
  top: 50%; left: 50%;
  width: 36%;
  margin-left: -18%;
  margin-top: -30%;
  transform-origin: 50% 100%;
  transition: transform 1s var(--ease), filter var(--dur);
}
.fan__item .card { --tilt-x: 8deg; --tilt-y: 10deg; }
.fan--3 .fan__item { width: 38%; margin-left: -19%; margin-top: -31%; }
.fan--3 .fan__item:nth-child(1) { transform: translate(-56%, 4%) rotate(-13deg); z-index: 1; }
.fan--3 .fan__item:nth-child(2) { transform: translate(0, -3%) rotate(0deg); z-index: 3; }
.fan--3 .fan__item:nth-child(3) { transform: translate(56%, 4%) rotate(13deg); z-index: 2; }
.fan--3:hover .fan__item:nth-child(1) { transform: translate(-68%, 1%) rotate(-17deg); }
.fan--3:hover .fan__item:nth-child(2) { transform: translate(0, -8%) rotate(0deg); }
.fan--3:hover .fan__item:nth-child(3) { transform: translate(68%, 1%) rotate(17deg); }

.deck-visual {
  position: relative;
  width: min(100%, 470px);
  margin-inline: auto;
  perspective: 900px;
}
.deck-stack {
  position: relative;
  aspect-ratio: 1 / .84;
  display: grid;
  place-items: center;
}
.deck-stack__card {
  position: absolute;
  width: 46%;
  top: 16%;
  left: 27%;
  transform-origin: 50% 92%;
  box-shadow: var(--shadow-card);
  border-radius: var(--radius);
}
.deck-stack__card:nth-child(1) { transform: rotate(-12deg) translate(-38%, 8%); }
.deck-stack__card:nth-child(2) { transform: rotate(-4deg) translate(-12%, 2%); }
.deck-stack__card:nth-child(3) { transform: rotate(4deg) translate(12%, 2%); }
.deck-stack__card:nth-child(4) { transform: rotate(12deg) translate(38%, 8%); }
.deck-stack:hover .deck-stack__card:nth-child(1) { transform: rotate(-15deg) translate(-46%, 6%); }
.deck-stack:hover .deck-stack__card:nth-child(2) { transform: rotate(-5deg) translate(-15%, -2%); }
.deck-stack:hover .deck-stack__card:nth-child(3) { transform: rotate(5deg) translate(15%, -2%); }
.deck-stack:hover .deck-stack__card:nth-child(4) { transform: rotate(15deg) translate(46%, 6%); }
.deck-stack__card { transition: transform 1s var(--ease); }

.cta-band {
  position: relative;
  overflow: hidden;
  border-block: 1px solid var(--line-soft);
  padding-block: clamp(3.5rem, 6vw, 6.5rem);
  text-align: center;
  background:
    radial-gradient(55% 100% at 50% 0%, rgba(111, 32, 24, .28), transparent 70%),
    linear-gradient(180deg, rgba(10, 7, 7, .4), rgba(10, 7, 7, .75));
}
.cta-band .h2 { max-width: 22ch; margin-inline: auto; }
.cta-band p { max-width: 40rem; margin: 1rem auto 2rem; color: var(--muted); }
.cta-band__sigil {
  position: absolute;
  left: 50%; top: 50%;
  width: min(55vw, 520px);
  translate: -50% -50%;
  color: rgba(217, 189, 146, .06);
  pointer-events: none;
}

@media (max-width: 900px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 2.4rem; }
  .split--reverse .split__intro { order: 0; }
  .split__visual { order: -1; }
  .fan-stage { max-width: 560px; margin-inline: auto; }
}
@media (max-width: 540px) {
  .features { grid-template-columns: 1fr; }
  .feature { padding-block: 1.3rem; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  margin-top: var(--section);
  padding-block: 2.5rem 2rem;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(10, 7, 7, .2), rgba(5, 4, 4, .8));
}
.footer__main {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  gap: 2.5rem;
  padding-bottom: 2rem;
}
.footer__brand { display: grid; gap: 1rem; max-width: 26rem; }
.footer__brand p { font-size: var(--fs-sm); color: var(--muted); }
.footer__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .55rem 1.5rem;
  align-content: start;
}
.footer__nav a {
  color: var(--muted);
  font-size: var(--fs-sm);
  transition: color var(--dur), translate var(--dur);
}
.footer__nav a:hover { color: var(--gold); translate: 3px 0; }
.footer__socials { display: flex; gap: .8rem; }
.footer__social {
  width: 2.4rem; height: 2.4rem;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold-soft);
  transition: color var(--dur), border-color var(--dur), transform var(--dur);
}
.footer__social:hover { color: var(--ivory); border-color: var(--gold); transform: translateY(-2px); }
.footer__social svg { width: 1rem; height: 1rem; }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
  color: var(--gold-dim);
  font-size: var(--fs-xs);
  letter-spacing: .04em;
}
@media (max-width: 700px) {
  .footer__main { grid-template-columns: 1fr; gap: 2rem; }
}

/* =========================================================
   PAGE HEADING
   ========================================================= */
.page-head {
  position: relative;
  padding-block: clamp(2rem, 4vw, 4.5rem) clamp(2.5rem, 4vw, 4rem);
  text-align: center;
  overflow: clip;
}
.page-head::before {
  content: '';
  position: absolute;
  top: -45%;
  left: 50%;
  width: min(90vw, 900px);
  aspect-ratio: 1;
  translate: -50% 0;
  background: radial-gradient(circle, rgba(111, 32, 24, .22), transparent 62%);
  pointer-events: none;
}
.page-head .eyebrow { margin-bottom: 1.1rem; }
.page-head .display { font-size: clamp(2.4rem, 1.6rem + 3vw, 4.6rem); }
.page-head__intro {
  max-width: 46rem;
  margin: 1.4rem auto 0;
  color: var(--muted);
}
.page-head .divider { max-width: 18rem; margin: 1.6rem auto; }

/* =========================================================
   DECK GALLERY
   ========================================================= */
.gallery-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2.2rem;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--line-soft);
}
.filters { display: flex; flex-wrap: wrap; gap: .5rem; }
.filter {
  padding: .45rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--muted);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: color var(--dur), border-color var(--dur), background var(--dur);
}
.filter:hover { color: var(--ivory); border-color: var(--gold-soft); }
.filter.is-active {
  color: var(--ivory);
  border-color: rgba(180, 64, 47, .6);
  background: rgba(111, 32, 24, .26);
}
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: .5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: .35rem;
  min-width: 13rem;
}
.search svg { width: 1rem; height: 1rem; color: var(--gold-soft); flex: none; }
.search input {
  width: 100%;
  border: 0;
  background: none;
  color: var(--ivory);
  font: inherit;
  font-size: var(--fs-sm);
  outline: none;
}
.search input::placeholder { color: var(--gold-dim); }
.gallery-count { color: var(--gold-dim); font-size: var(--fs-xs); letter-spacing: .1em; text-transform: uppercase; }

.deck-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: clamp(1.2rem, 2.4vw, 2.2rem) clamp(.9rem, 1.8vw, 1.6rem);
}
.deck-item {
  display: grid;
  gap: .8rem;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  animation: item-in .7s var(--ease) forwards;
  animation-delay: calc(var(--i, 0) * 28ms);
}
@keyframes item-in { to { opacity: 1; transform: none; } }
.deck-item[hidden] { display: none; }
.deck-item .card { --tilt-x: 8deg; --tilt-y: 10deg; }
.deck-item__meta { display: grid; gap: .1rem; }
.deck-item__num {
  font-size: var(--fs-xs);
  color: var(--gold-dim);
  letter-spacing: .14em;
}
.deck-item__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: .05em;
  color: var(--ivory);
  line-height: 1.2;
  transition: color var(--dur);
}
.deck-item__vi {
  font-size: var(--fs-xs);
  color: var(--muted);
  letter-spacing: .05em;
}
.deck-item:hover .deck-item__name { color: var(--gold); }
.gallery-empty {
  padding: 4rem 1rem;
  text-align: center;
  color: var(--gold-dim);
}
@media (max-width: 560px) {
  .deck-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-tools { align-items: flex-start; flex-direction: column; }
}

/* =========================================================
   CARD DETAIL
   ========================================================= */
.detail-page { padding-top: clamp(1rem, 2vw, 2rem); }
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
  color: var(--gold-dim);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.breadcrumb a:hover { color: var(--gold); }
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.detail-stage {
  position: sticky;
  top: 7rem;
  display: grid;
  justify-items: center;
  padding: clamp(1.2rem, 3vw, 2.8rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(80% 65% at 50% 35%, rgba(111, 32, 24, .22), transparent 70%),
    rgba(10, 7, 7, .55);
  overflow: hidden;
}
.detail-stage::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(217, 189, 146, .5) 0 .8px, transparent 1.2px),
    radial-gradient(circle at 80% 30%, rgba(217, 189, 146, .35) 0 .8px, transparent 1.2px),
    radial-gradient(circle at 65% 82%, rgba(217, 189, 146, .4) 0 .8px, transparent 1.2px);
  opacity: .6;
  pointer-events: none;
}
.detail-card-wrap {
  position: relative;
  width: min(100%, 370px);
  z-index: 2;
}
.detail-card-wrap .card { --tilt-x: 12deg; --tilt-y: 14deg; }
.detail__nav {
  position: absolute;
  top: 50%;
  z-index: 5;
  width: 2.8rem; height: 2.8rem;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(7, 6, 6, .65);
  color: var(--gold-soft);
  translate: 0 -50%;
  transition: color var(--dur), border-color var(--dur), background var(--dur), transform var(--dur);
}
.detail__nav:hover { color: var(--ivory); border-color: var(--gold); background: rgba(111, 32, 24, .3); }
.detail__nav--prev { left: .6rem; }
.detail__nav--next { right: .6rem; }
.detail__nav svg { width: 1.1rem; height: 1.1rem; }
.detail__nav-hint {
  margin-top: 1.4rem;
  color: var(--gold-dim);
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  text-align: center;
}
.detail-info { display: grid; gap: 1.2rem; padding-top: .5rem; }
.detail-kicker {
  display: flex;
  align-items: center;
  gap: .8rem;
  color: var(--gold-soft);
  font-size: var(--fs-xs);
  letter-spacing: .2em;
  text-transform: uppercase;
}
.detail-kicker::before { content: ''; width: 2rem; height: 1px; background: var(--gold-dim); }
.detail-title { font-size: clamp(2.4rem, 1.8rem + 2.6vw, 4rem); line-height: 1; margin-top: .2rem; }
.detail-vi {
  font-family: var(--font-display);
  font-style: italic;
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  color: var(--gold);
}
.detail-tags { display: flex; flex-wrap: wrap; gap: .45rem; list-style: none; }
.detail-summary {
  font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem);
  color: var(--text);
  line-height: 1.8;
  padding-left: 1.1rem;
  border-left: 2px solid rgba(180, 64, 47, .5);
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.8rem;
  padding-block: .9rem;
  border-block: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: var(--fs-sm);
}
.detail-meta strong { color: var(--gold); font-weight: 400; }
.detail-prose h2 { font-size: var(--fs-h3); color: var(--ivory); margin-bottom: .5rem; }
.detail-prose p { color: var(--muted); }
.detail-pairs { display: grid; gap: .8rem; }
.detail-pairs h2 { font-size: var(--fs-h3); margin-bottom: .2rem; }
.pair-line {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  padding: .8rem 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}
.pair-line a {
  display: grid;
  gap: .15rem;
  color: var(--gold-soft);
  font-size: var(--fs-sm);
}
.pair-line a span:last-child { color: var(--gold-dim); font-size: var(--fs-xs); }
.pair-thumbs { display: flex; gap: .3rem; margin-bottom: .25rem; }
.pair-thumbs .mini-card { width: 2.15rem; }
.pair-names { color: var(--gold); }
.suit-red { color: #e08a72; }
.detail-info__head { display: grid; gap: .35rem; }
.detail-info .detail-tags { margin-top: -.2rem; }
.detail-info .detail-prose { display: block; }
.pair-line p { color: var(--text); font-size: var(--fs-sm); line-height: 1.7; }
.detail-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .5rem; }
.detail-slide-out { animation: slide-out .24s ease-in forwards; }
.detail-slide-in { animation: slide-in .45s var(--ease); }
@keyframes slide-out { to { opacity: 0; transform: translateX(var(--slide, -44px)); } }
@keyframes slide-in { from { opacity: 0; transform: translateX(calc(var(--slide, 44px) * -1)); } }
@media (max-width: 900px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-stage { position: relative; top: 0; }
  .detail-card-wrap { width: min(100%, 330px); }
}
@media (max-width: 520px) {
  .pair-line { grid-template-columns: 1fr; gap: .25rem; }
}

/* =========================================================
   CHOOSER (trai-bai.html)
   ========================================================= */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.2rem, 2.4vw, 2rem);
}
.mode-card {
  display: grid;
  justify-items: center;
  gap: .9rem;
  padding: clamp(1.6rem, 3vw, 2.6rem);
  text-align: center;
  overflow: hidden;
}
.mode-card:hover { border-color: rgba(180, 64, 47, .55); transform: translateY(-3px); box-shadow: 0 22px 50px rgba(0, 0, 0, .35); }
.mode-card--wide { grid-column: 1 / -1; }
.mode-card__fan {
  position: relative;
  width: clamp(10rem, 17vw, 14rem);
  aspect-ratio: var(--card-aspect);
  margin-block: 1.2rem 2.2rem;
}
.mode-card__fan .mode-card__card {
  position: absolute;
  inset: 0;
  transform-origin: 50% 100%;
  transform: translateX(calc(var(--i) * var(--dx, 40%))) rotate(calc(var(--i) * var(--rot, 12deg)));
  transition: transform .7s var(--ease);
}
.mode-card:hover .mode-card__card {
  transform: translateX(calc(var(--i) * var(--dx, 40%) * 1.35)) translateY(-6px) rotate(calc(var(--i) * var(--rot, 12deg) * 1.35));
}
.mode-card__fan[data-n="3"] { --dx: 30%; --rot: 12deg; }
.mode-card__fan[data-n="5"] { --dx: 19%; --rot: 8deg; }
.mode-card__fan--free { --dx: 24%; --rot: 14deg; }
.mode-card__title { color: var(--ivory); font-size: var(--fs-h3); }
.mode-card p { max-width: 26rem; color: var(--muted); font-size: var(--fs-sm); line-height: 1.75; }
.mode-card__cta {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .4rem;
  color: var(--gold-soft);
  font-size: var(--fs-xs);
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: color var(--dur), gap var(--dur);
}
.mode-card:hover .mode-card__cta { color: var(--gold); gap: .8rem; }
.mode-card--wide .mode-card__fan { width: clamp(11rem, 20vw, 16rem); }
@media (max-width: 720px) {
  .mode-grid { grid-template-columns: 1fr; }
  .mode-card--wide { grid-column: auto; }
}

/* =========================================================
   GUIDE / PROSE
   ========================================================= */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: var(--progress, 0%);
  background: linear-gradient(90deg, var(--red), var(--gold));
  z-index: 160;
  box-shadow: 0 0 10px rgba(180, 64, 47, .5);
  transition: width .1s linear;
}
.guide-layout {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
.guide-toc {
  position: sticky;
  top: 7rem;
  display: grid;
  gap: .4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}
.guide-toc__label {
  color: var(--gold-dim);
  font-size: var(--fs-xs);
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: .5rem;
}
.guide-toc a {
  color: var(--muted);
  font-size: var(--fs-sm);
  padding: .3rem 0 .3rem .8rem;
  border-left: 1px solid transparent;
  transition: color var(--dur), border-color var(--dur), padding var(--dur);
}
.guide-toc a:hover,
.guide-toc a.is-active {
  color: var(--gold);
  border-left-color: var(--red);
  padding-left: 1.1rem;
}
.prose { color: var(--text); max-width: 46rem; }
.prose > * + * { margin-top: 1.15em; }
.prose h2 {
  font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem);
  margin-top: 2.4em;
  padding-top: .6em;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 7rem;
}
.prose h3 { font-size: var(--fs-h3); color: var(--gold); margin-top: 1.8em; }
.prose p, .prose li { color: var(--muted); line-height: 1.9; }
.prose strong { color: var(--ivory); font-weight: 500; }
.prose em { color: var(--gold-soft); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .45em; }
.prose li::marker { color: var(--red); }
.prose blockquote {
  margin-block: 2rem;
  padding: 1.4rem 1.6rem;
  border-left: 2px solid var(--red);
  background: rgba(111, 32, 24, .1);
  color: var(--ivory);
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.6;
}
.prose .lead { color: var(--text); }
.prose a { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; }

.card-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(.6rem, 2vw, 1.6rem);
  margin-block: 2rem;
}
.card-row__item {
  width: clamp(5rem, 12vw, 7.5rem);
  display: grid;
  gap: .5rem;
  justify-items: center;
  text-align: center;
}
.card-row__item span {
  font-size: var(--fs-xs);
  color: var(--gold-soft);
  letter-spacing: .06em;
}
.card-row__plus {
  align-self: center;
  color: var(--gold-dim);
  font-size: 1.2rem;
}

/* ---------- thumbnail lá bài ---------- */
.mini-card {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: clamp(2.8rem, 6vw, 3.8rem);
  aspect-ratio: var(--card-aspect);
  overflow: hidden;
  border-radius: calc(var(--radius) * .45);
  border: 1px solid rgba(217, 189, 146, .28);
  background:
    radial-gradient(circle at 50% 32%, rgba(217, 189, 146, .14), transparent 46%),
    linear-gradient(165deg, #1d1411, #0b0707);
  box-shadow: var(--shadow-card);
  vertical-align: middle;
  flex: none;
}
.mini-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}
.mini-card.is-missing img { display: none; }
.mini-card__fallback {
  font-family: var(--font-display);
  font-size: clamp(.9rem, 2vw, 1.15rem);
  color: var(--gold);
  letter-spacing: .04em;
  line-height: 1;
}
.mini-card:not(.is-missing) .mini-card__fallback { opacity: 0; }
.mini-card--lg { width: clamp(4rem, 9vw, 5.4rem); }

/* =========================================================
   ABOUT
   ========================================================= */
.about-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.about-hero__text { display: grid; gap: 1.2rem; }
.about-hero__text p { color: var(--muted); }
.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  overflow: hidden;
}
.value {
  padding: clamp(1.5rem, 2.5vw, 2.2rem);
  background: #0c0909;
  display: grid;
  gap: .7rem;
}
.value__num { font-family: var(--font-display); font-size: 2.4rem; color: rgba(217, 189, 146, .3); line-height: 1; }
.value h3 { font-size: 1.2rem; }
.value p { color: var(--muted); font-size: var(--fs-sm); }
.quote {
  max-width: 44rem;
  margin: 0 auto;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.2rem + 1.6vw, 2.4rem);
  line-height: 1.5;
  color: var(--ivory);
}
.quote span { color: var(--gold); font-style: italic; }
.quote-author { display: block; margin-top: 1rem; font-family: var(--font-body); font-size: var(--fs-xs); letter-spacing: .2em; text-transform: uppercase; color: var(--gold-dim); }
@media (max-width: 860px) {
  .guide-layout { grid-template-columns: 1fr; }
  .guide-toc { position: relative; top: 0; display: flex; flex-wrap: wrap; border-top: 0; padding-top: 0; }
  .guide-toc__label { width: 100%; }
  .about-hero { grid-template-columns: 1fr; }
  .about-values { grid-template-columns: 1fr; }
}

/* =========================================================
   SHOP
   ========================================================= */
.shop-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.product-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 400px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  background:
    radial-gradient(60% 55% at 50% 45%, rgba(111, 32, 24, .24), transparent 70%),
    rgba(10, 7, 7, .5);
  overflow: hidden;
}
.product-visual .fan-stage { width: 100%; }
.product-visual .fan { width: min(92%, 540px); }
.product-info { display: grid; gap: 1.2rem; }
.product-price { font-family: var(--font-display); font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.6rem); color: var(--gold); }
.product-list { display: grid; gap: .65rem; list-style: none; }
.product-list li { display: flex; gap: .7rem; color: var(--muted); font-size: var(--fs-sm); }
.product-list li::before { content: '◆'; color: var(--red); font-size: .65rem; line-height: 1.9; }
.faq { display: grid; gap: .7rem; }
.faq details {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: rgba(15, 10, 9, .6);
  padding: 1rem 1.2rem;
}
.faq summary {
  cursor: pointer;
  color: var(--ivory);
  font-size: var(--fs-sm);
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--gold); }
.faq details[open] summary::after { content: '−'; }
.faq details p { margin-top: .7rem; color: var(--muted); font-size: var(--fs-sm); line-height: 1.8; }
@media (max-width: 860px) {
  .shop-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   REVEAL / MOTION / MISC
   ========================================================= */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal="left"] { transform: translateX(-30px); }
.js [data-reveal="right"] { transform: translateX(30px); }
.js [data-reveal="scale"] { transform: scale(.95); }
.js [data-reveal="scale"].is-in { transform: none; }

.js .fan-stage .fan__item { opacity: 0; }
.js .fan-stage.is-in .fan__item { opacity: 1; }
.js .fan-stage .fan__item {
  transition: transform 1.1s var(--ease), opacity .7s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.js .fan-stage:not(.is-in) .fan__item {
  transform: translate(0, 60px) rotate(0deg) scale(.92);
}
.js .hero__fan .fan__item { opacity: 0; }
.js .hero__fan.is-ready .fan__item {
  opacity: 1;
  animation: hero-card-in .9s var(--ease) both;
}
.js .hero__fan.is-ready .fan__item:nth-child(1) { animation-delay: .18s; }
.js .hero__fan.is-ready .fan__item:nth-child(2) { animation-delay: .1s; }
.js .hero__fan.is-ready .fan__item:nth-child(3) { animation-delay: .04s; }
.js .hero__fan.is-ready .fan__item:nth-child(4) { animation-delay: .14s; }
.js .hero__fan.is-ready .fan__item:nth-child(5) { animation-delay: .22s; }
@keyframes hero-card-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.js .fan-stage.is-in .fan__item:nth-child(1) { transition-delay: .05s; }
.js .fan-stage.is-in .fan__item:nth-child(2) { transition-delay: .13s; }
.js .fan-stage.is-in .fan__item:nth-child(3) { transition-delay: .21s; }
.js .fan-stage.is-in .fan__item:nth-child(4) { transition-delay: .29s; }
.js .fan-stage.is-in .fan__item:nth-child(5) { transition-delay: .37s; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.8rem;
  z-index: 200;
  translate: -50% 20px;
  opacity: 0;
  visibility: hidden;
  padding: .7rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(20, 14, 13, .96);
  color: var(--ivory);
  font-size: var(--fs-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
  transition: opacity var(--dur), translate var(--dur), visibility 0s linear var(--dur);
}
.toast.is-visible { opacity: 1; visibility: visible; translate: -50% 0; transition-delay: 0s; }

@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out .28s ease both; }
::view-transition-new(root) { animation: vt-in .42s var(--ease) both; }
@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-in { from { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .js .fan-stage .fan__item,
  .js .hero__fan .fan__item { opacity: 1; }
  .card__inner { transition: none; }
  .card[data-face="down"] .card__inner { transform: rotateY(180deg); }
  .hero__visual { translate: none; }
}