/* ==========================================================================
   IN7 GAME — Download page
   Structure: centre-stage mockup hero → spec plate → sticky-device install
   rail → platform split → safety → version table
   ========================================================================== */

/* --------------------------------------------------------------------------
   Hero — device centre stage, download card orbiting it
   -------------------------------------------------------------------------- */
.dl-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--nav-h) + clamp(1.75rem, 1rem + 3.5vw, 3.75rem));
  padding-bottom: clamp(3rem, 2rem + 4vw, 5rem);
}

.dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 60% at 50% 22%, rgba(196, 18, 48, 0.3), transparent 66%),
    radial-gradient(46% 50% at 92% 78%, rgba(214, 169, 74, 0.16), transparent 62%);
  pointer-events: none;
}

/* concentric chip rings behind the device */
.dl-hero__rings {
  position: absolute;
  top: 46%;
  left: 50%;
  width: min(760px, 128vw);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0.5;
}

.dl-hero__rings span {
  position: absolute;
  inset: var(--r, 0);
  border-radius: 50%;
  border: 1px dashed var(--color-border-gold);
  animation: wheelSpin var(--spd, 90s) linear infinite;
}

.dl-hero__rings span:nth-child(1) { --r: 0;    --spd: 120s; }
.dl-hero__rings span:nth-child(2) { --r: 11%;  --spd: 90s;  border-style: solid; border-color: rgba(196, 18, 48, 0.24); }
.dl-hero__rings span:nth-child(3) { --r: 23%;  --spd: 150s; }
.dl-hero__rings span:nth-child(4) { --r: 34%;  --spd: 70s;  border-color: rgba(214, 169, 74, 0.16); }

.dl-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(2.25rem, 1.4rem + 3vw, 3.75rem);
  align-items: center;
}

@media (min-width: 1000px) {
  .dl-hero__grid { grid-template-columns: 1fr auto 1fr; }
  .dl-hero__side--b { text-align: left; }
}

.dl-hero__device { display: grid; place-items: center; }

/* the download card */
.dl-card {
  display: grid;
  gap: var(--sp-4);
  padding: clamp(1.4rem, 1rem + 1.5vw, 2rem);
  border-radius: var(--r-xl);
  background: var(--color-surface-glass-2);
  border: 1px solid var(--color-border-gold);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card), inset 0 0 40px rgba(214, 169, 74, 0.06);
}

.dl-card__badge { justify-self: start; }

.dl-card h1 { font-size: clamp(1.9rem, 1.3rem + 2.6vw, 3rem); }

.dl-card__meta {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(min(50%, 110px), 1fr));
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--color-border-dark);
  border: 1px solid var(--color-border-gold-soft);
}

.dl-card__meta div {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0.85rem;
  background: rgba(11, 10, 12, 0.85);
}

.dl-card__meta dt { font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-text-dim); }
.dl-card__meta dd { font-family: var(--font-display); font-size: 1rem; color: var(--color-gold-bright); }

.dl-card__note { font-size: var(--fs-xs); color: var(--color-text-dim); line-height: 1.75; }

.dl-checks { display: grid; gap: 0.7rem; }

.dl-checks li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.dl-checks li::before {
  content: "✓";
  flex: none;
  display: grid;
  place-items: center;
  width: 20px; height: 20px;
  margin-top: 0.15rem;
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 900;
  color: var(--color-text-on-gold);
  background: var(--grad-gold);
}

/* --------------------------------------------------------------------------
   Install rail — sticky device, stepping instructions
   -------------------------------------------------------------------------- */
.install {
  display: grid;
  gap: clamp(2rem, 1.2rem + 3vw, 3.5rem);
  align-items: start;
}

@media (min-width: 980px) {
  .install { grid-template-columns: 320px minmax(0, 1fr); }
  .install__sticky { position: sticky; top: calc(var(--nav-h) + 26px); }
}

.install__sticky { display: grid; justify-items: center; gap: var(--sp-5); }

.install__steps { display: grid; gap: var(--sp-4); counter-reset: ins; }

.ins {
  position: relative;
  display: grid;
  gap: 0.45rem;
  padding: var(--sp-5) var(--sp-5) var(--sp-5) calc(var(--sp-9) + 0.25rem);
  border-radius: var(--r-lg);
  background: var(--grad-surface);
  border: 1px solid var(--color-border-dark);
  counter-increment: ins;
  transition: all var(--dur-mid) var(--ease-out);
}

.ins:hover { border-color: var(--color-border-gold); transform: translateX(4px); }

.ins::before {
  content: counter(ins, decimal-leading-zero);
  position: absolute;
  left: var(--sp-4);
  top: var(--sp-5);
  font-family: var(--font-display);
  font-size: 1.85rem;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--color-gold);
}

.ins h3 { font-family: var(--font-body); font-size: var(--fs-body); font-weight: 800; }
.ins p { font-size: var(--fs-sm); color: var(--color-text-muted); }

.ins__hint {
  margin-top: 0.35rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--r-sm);
  background: rgba(196, 18, 48, 0.1);
  border-left: 2px solid var(--color-crimson);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Platform split (Android vs iOS)
   -------------------------------------------------------------------------- */
.plat { display: grid; gap: var(--sp-5); }

@media (min-width: 860px) { .plat { grid-template-columns: 1fr 1fr; } }

.plat__col {
  display: grid;
  gap: var(--sp-4);
  align-content: start;
  padding: clamp(1.4rem, 1rem + 1.5vw, 2.25rem);
  border-radius: var(--r-xl);
  background: var(--grad-surface);
  border: 1px solid var(--color-border-dark);
  transition: all var(--dur-mid) var(--ease-out);
}

.plat__col:hover { border-color: var(--color-border-gold); }

.plat__head { display: flex; align-items: center; gap: 0.8rem; }

.plat__ic {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  flex: none;
  border-radius: var(--r-md);
  color: var(--color-gold-bright);
  background: rgba(214, 169, 74, 0.12);
  border: 1px solid var(--color-border-gold-soft);
}

.plat__ic svg { width: 24px; height: 24px; }

.plat__head h3 { font-family: var(--font-body); font-size: var(--fs-h4); font-weight: 800; }
.plat__head small { display: block; font-size: var(--fs-xs); color: var(--color-text-dim); }

/* --------------------------------------------------------------------------
   Safety callout
   -------------------------------------------------------------------------- */
.safety {
  position: relative;
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
  border-radius: var(--r-xl);
  background: linear-gradient(150deg, rgba(196, 18, 48, 0.16), rgba(11, 10, 12, 0.9));
  border: 1px solid rgba(196, 18, 48, 0.38);
}

.safety__grid { display: grid; gap: var(--sp-5); }

@media (min-width: 900px) { .safety__grid { grid-template-columns: 0.9fr 1.1fr; } }

.safety__list { display: grid; gap: var(--sp-3); }

.safety__list li {
  display: flex;
  gap: 0.75rem;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  background: rgba(6, 5, 7, 0.6);
  border: 1px solid var(--color-border-dark);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.safety__list li::before {
  content: "!";
  flex: none;
  display: grid;
  place-items: center;
  width: 22px; height: 22px;
  margin-top: 0.1rem;
  border-radius: 50%;
  font-weight: 900;
  font-size: 0.72rem;
  color: #FFE6EA;
  background: var(--grad-crimson);
}

.safety__list strong { color: var(--color-gold-bright); }

/* --------------------------------------------------------------------------
   Bonus stage reuse
   -------------------------------------------------------------------------- */
.dl-bonus {
  display: grid;
  gap: clamp(2rem, 1.2rem + 3vw, 3.5rem);
  align-items: center;
}

@media (min-width: 960px) { .dl-bonus { grid-template-columns: 1.05fr 0.95fr; } }

.dl-bonus__stage {
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem) clamp(1rem, 0.6rem + 1.6vw, 2rem);
  border-radius: var(--r-xl);
  background:
    radial-gradient(70% 90% at 50% 100%, rgba(196, 18, 48, 0.24), transparent 68%),
    linear-gradient(180deg, rgba(31, 27, 31, 0.5), rgba(11, 10, 12, 0.9));
  border: 1px solid var(--color-border-gold-soft);
}

.dl-bonus__total { display: grid; justify-items: center; gap: 0.3rem; margin-top: var(--sp-5); text-align: center; }
.dl-bonus__total small { font-size: var(--fs-xs); letter-spacing: 0.2em; text-transform: uppercase; color: var(--color-text-dim); }