/* ==========================================================================
   Volt Shard — home-only visual system (Appily Seventythree)
   Independent of Frost Meridian, Solar Folio, Cobalt Stamp, Aperture Loom.
   Navigation: right-edge angular shard fan (not a top bar / slide-rule / filing rail).
   ========================================================================== */

:root {
  --vs-ink: #10131a;
  --vs-graphite: #1c2430;
  --vs-mist: #e9eef2;
  --vs-paper: #f5f7f8;
  --vs-volt: #c6ff3d;
  --vs-steel: #4a6fa5;
  --vs-ember: #ff5a1f;
  --vs-mute: #5c6775;
  --vs-line: rgba(16, 19, 26, 0.12);
  --font-display: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --vs-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --vs-snap: cubic-bezier(0.34, 1.45, 0.64, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body.vs-body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-serif);
  color: var(--vs-ink);
  background:
    radial-gradient(80% 60% at 90% 10%, rgba(198, 255, 61, 0.16), transparent 55%),
    radial-gradient(70% 50% at 10% 90%, rgba(74, 111, 165, 0.14), transparent 50%),
    linear-gradient(165deg, var(--vs-mist), var(--vs-paper) 55%, #eef2f5);
  background-attachment: fixed;
}

body.vs-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(16, 19, 26, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 19, 26, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at 40% 30%, #000 20%, transparent 75%);
  z-index: 0;
}

.vs-app {
  position: relative;
  z-index: 1;
}

/* ===== Shard fan navigation (right edge) ===== */
.vs-fan {
  position: fixed;
  top: 50%;
  right: 0;
  z-index: 80;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  padding: 0.5rem 0;
  pointer-events: none;
}

.vs-fan__item {
  pointer-events: auto;
  position: relative;
  display: flex;
  justify-content: flex-end;
  width: auto;
}

.vs-fan__link {
  display: grid;
  grid-template-columns: 0fr auto;
  align-items: center;
  gap: 0;
  min-height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--vs-ink);
  text-decoration: none;
  cursor: pointer;
  transition: grid-template-columns 0.45s var(--vs-ease), gap 0.35s var(--vs-ease);
}

.vs-fan__label {
  overflow: hidden;
  white-space: nowrap;
  max-width: 0;
  opacity: 0;
  padding: 0.55rem 0;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transform: translateX(12px);
  transition: max-width 0.45s var(--vs-ease), opacity 0.3s var(--vs-ease), transform 0.4s var(--vs-ease), padding 0.35s var(--vs-ease);
}

.vs-fan__blade {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.85rem;
  height: 2.85rem;
  background: var(--vs-graphite);
  color: var(--vs-volt);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  clip-path: polygon(18% 0, 100% 0, 100% 100%, 0 100%, 0 28%);
  box-shadow: -6px 8px 18px rgba(16, 19, 26, 0.18);
  transition: background 0.3s var(--vs-ease), color 0.3s var(--vs-ease), transform 0.4s var(--vs-snap);
}

.vs-fan__link:hover,
.vs-fan__link:focus-visible,
.vs-fan__link.is-active {
  outline: none;
}

.vs-fan__link:hover .vs-fan__blade,
.vs-fan__link:focus-visible .vs-fan__blade {
  background: var(--vs-volt);
  color: var(--vs-ink);
  transform: translateX(-6px) skewY(-2deg);
}

.vs-fan__link.is-active .vs-fan__blade {
  background: var(--vs-ember);
  color: #fff;
}

.vs-fan__link:hover .vs-fan__label,
.vs-fan__link:focus-visible .vs-fan__label,
.vs-fan.is-open .vs-fan__label {
  max-width: 9rem;
  opacity: 1;
  padding: 0.55rem 0.85rem 0.55rem 0;
  transform: none;
  background: rgba(245, 247, 248, 0.92);
  backdrop-filter: blur(8px);
}

.vs-fan__link:hover,
.vs-fan__link:focus-visible {
  grid-template-columns: 1fr auto;
}

.vs-fan__cart {
  margin-top: 0.35rem;
}
.vs-fan__cart .vs-fan__blade {
  background: var(--vs-steel);
  color: #fff;
}
.vs-fan__cart .vs-fan__blade em {
  font-style: normal;
  margin-left: 0.15rem;
  color: var(--vs-volt);
}

.vs-fan__toggle {
  display: none;
  pointer-events: auto;
  margin: 0 0.65rem 0.65rem 0;
  min-height: 2.85rem;
  padding: 0 1rem;
  border: 0;
  background: var(--vs-ink);
  color: var(--vs-volt);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  clip-path: polygon(10% 0, 100% 0, 100% 100%, 0 100%);
  cursor: pointer;
}

/* ===== Stage ===== */
.vs-stage {
  position: relative;
  min-height: min(100svh, 52rem);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f4f7f8;
}

.vs-stage__photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.08);
  animation: vs-drift 18s var(--vs-ease) infinite alternate;
}
.vs-stage__photo--empty {
  background:
    radial-gradient(circle at 70% 20%, rgba(198, 255, 61, 0.35), transparent 40%),
    linear-gradient(145deg, #0d1218, #1c2430 50%, #4a6fa5);
}

@keyframes vs-drift {
  from { transform: scale(1.08) translate(0, 0); }
  to { transform: scale(1.14) translate(-1.5%, -1%); }
}

.vs-stage__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(16, 19, 26, 0.9) 0%, rgba(16, 19, 26, 0.5) 46%, rgba(16, 19, 26, 0.2) 100%),
    linear-gradient(0deg, rgba(16, 19, 26, 0.65) 0%, transparent 42%);
  pointer-events: none;
}

.vs-stage__content {
  position: relative;
  z-index: 1;
  width: min(100% - 3rem, 38rem);
  margin: 0 0 clamp(4rem, 10vh, 6rem) clamp(1.1rem, 4vw, 2.5rem);
}

.vs-brand {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 12vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 0.86;
  text-transform: uppercase;
}

.vs-brand span {
  display: inline-block;
  background: linear-gradient(120deg, #fff 10%, var(--vs-volt) 45%, #fff 80%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: vs-sheen 4.5s ease-in-out infinite;
}

@keyframes vs-sheen {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 100% center; }
}

.vs-stage h1 {
  margin: 0 0 0.8rem;
  max-width: 15ch;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.15rem);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.vs-lede {
  margin: 0 0 1.35rem;
  max-width: 32ch;
  font-size: 1.2rem;
  line-height: 1.45;
  color: rgba(244, 247, 248, 0.88);
}

.vs-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.vs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.25rem;
  border: 1.5px solid transparent;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 92% 100%, 0 100%);
  transition: transform 0.35s var(--vs-ease), background 0.3s var(--vs-ease), color 0.3s var(--vs-ease);
}
.vs-btn:hover { transform: translateY(-3px); }
.vs-btn:active { transform: translateY(0); }

.vs-btn--volt {
  background: var(--vs-volt);
  color: var(--vs-ink);
}
.vs-btn--volt:hover { background: #d8ff70; }

.vs-btn--ghost {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  clip-path: none;
  border-radius: 0.15rem;
}
.vs-btn--ghost:hover {
  background: #fff;
  color: var(--vs-ink);
}

/* Dashboard */
.vs-dash {
  width: min(100% - 2.4rem, 70rem);
  margin: 0 auto;
  padding: 2.75rem 0 1.25rem;
}

.vs-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.35rem;
}
.vs-kicker {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--vs-steel);
}
.vs-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.4vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1;
}
.vs-note {
  margin: 0;
  max-width: 26ch;
  font-size: 1.05rem;
  color: var(--vs-mute);
}

.vs-meters {
  display: grid;
  gap: 0.55rem;
}

.vs-meter {
  --w: 40;
  position: relative;
  display: grid;
  grid-template-columns: 2.5rem 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border: 1px solid var(--vs-line);
  background: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 1.2rem 100%, 0 calc(100% - 1.2rem));
  transition: transform 0.4s var(--vs-ease), background 0.3s var(--vs-ease), border-color 0.3s var(--vs-ease);
}
.vs-meter::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: calc(var(--w) * 1%);
  background: linear-gradient(90deg, rgba(198, 255, 61, 0.35), rgba(74, 111, 165, 0.12));
  pointer-events: none;
  transition: width 0.7s var(--vs-ease);
}
.vs-meter:hover {
  transform: translateX(0.45rem);
  background: #fff;
  border-color: var(--vs-graphite);
}
.vs-meter__code {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--vs-mute);
}
.vs-meter__name {
  position: relative;
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.vs-meter__meta {
  position: relative;
  display: block;
  margin-top: 0.15rem;
  font-size: 0.95rem;
  color: var(--vs-mute);
}
.vs-meter__spark {
  position: relative;
  width: 0.55rem;
  height: 0.55rem;
  background: var(--vs-ember);
  transform: rotate(45deg);
  transition: transform 0.4s var(--vs-snap);
}
.vs-meter:hover .vs-meter__spark {
  transform: rotate(45deg) scale(1.35);
  background: var(--vs-volt);
}

.vs-runway { padding: 2rem 0 1rem; }
.vs-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(11.5rem, 13.5rem);
  gap: 0.85rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  scroll-snap-type: x mandatory;
  cursor: grab;
}
.vs-rail:active { cursor: grabbing; }

.vs-tile {
  scroll-snap-align: start;
  display: grid;
  gap: 0.55rem;
  text-decoration: none;
  color: inherit;
  transition: transform 0.4s var(--vs-ease);
}
.vs-tile:hover { transform: translateY(-0.5rem); }

.vs-tile__frame {
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--vs-mist);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 88% 100%, 0 100%);
}
.vs-tile__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--vs-ease);
}
.vs-tile:hover .vs-tile__frame img { transform: scale(1.07); }
.vs-tile__title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}
.vs-tile__price {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--vs-ember);
}

.vs-link {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--vs-steel);
  text-decoration: none;
  border-bottom: 1.5px solid var(--vs-volt);
  transition: color 0.25s var(--vs-ease);
}
.vs-link:hover { color: var(--vs-ember); }

.vs-foot {
  margin-top: 2.5rem;
  padding: 2.25rem clamp(1.1rem, 4vw, 2.5rem) 3rem;
  border-top: 1px solid var(--vs-line);
  display: grid;
  gap: 1rem;
}
.vs-foot strong {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.vs-foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.1rem;
}
.vs-foot a {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 650;
  color: var(--vs-mute);
  text-decoration: none;
}
.vs-foot a:hover { color: var(--vs-ember); }
.vs-foot p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--vs-mute);
}

[data-vs-rise] {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 0.7s var(--vs-ease), transform 0.7s var(--vs-ease);
}
[data-vs-rise].is-in {
  opacity: 1;
  transform: none;
}

@media (max-width: 860px) {
  .vs-fan {
    top: auto;
    bottom: 0;
    right: 0;
    left: 0;
    transform: none;
    flex-direction: column-reverse;
    align-items: stretch;
    background: rgba(245, 247, 248, 0.94);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--vs-line);
    padding: 0.55rem;
  }
  .vs-fan__toggle { display: inline-flex; align-items: center; align-self: flex-end; }
  .vs-fan:not(.is-open) .vs-fan__item { display: none; }
  .vs-fan.is-open .vs-fan__item {
    display: flex;
    width: 100%;
  }
  .vs-fan.is-open .vs-fan__link {
    width: 100%;
    grid-template-columns: 1fr auto;
  }
  .vs-fan.is-open .vs-fan__label {
    max-width: none;
    opacity: 1;
    transform: none;
    padding: 0.55rem 0.85rem;
  }
  .vs-stage__content { margin-bottom: 6.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  [data-vs-rise] { opacity: 1; transform: none; }
}