/* Homepage and guide. Loaded after styles.css (which keeps the shared tokens, buttons, game
   cards and the policy/sub-page styles). */

html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 1rem; top: -3rem; z-index: 100;
  background: var(--gb-purple-600); color: #fff; padding: 0.5rem 0.9rem; border-radius: 0.5rem;
}
.skip-link:focus { top: 1rem; }

:focus-visible { outline: 2px solid var(--gb-neon); outline-offset: 2px; }

.muted { color: var(--gb-text-muted); line-height: 1.65; }
.fine { font-size: 0.75rem; color: var(--gb-text-dim); line-height: 1.55; margin-top: 1rem; }
.grad { background: var(--gradient-neon); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section { padding-top: 4.5rem; padding-bottom: 4.5rem; }
.h2-left { font-size: clamp(1.5rem, 4vw, 2.1rem); margin: 0.2rem 0 1rem; }
.h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.eyebrow, .eyebrow-sm {
  font-family: 'Orbitron', sans-serif; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--gb-purple-400);
}
.eyebrow-sm { font-size: 0.62rem; }

.btn-sm { padding: 0.5rem 1rem; font-size: 0.82rem; border-radius: 0.55rem; }
.btn-ghost { background: transparent; color: var(--gb-text-muted); border-color: var(--gb-border); }
.btn-ghost:hover { color: var(--gb-text); border-color: var(--gb-muted); }

/* ─── Sticky nav ─────────────────────────────────────────────────────────── */
.site-nav {
  position: sticky; top: 0; z-index: 50;
  transition: background 0.2s ease, border-color 0.2s ease, backdrop-filter 0.2s ease;
  border-bottom: 1px solid transparent;
}
.site-nav.scrolled {
  background: rgba(13, 13, 24, 0.82);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom-color: var(--gb-border);
}
.site-nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav-brand {
  display: flex; align-items: center; gap: 0.6rem;
  font-family: 'Orbitron', sans-serif; font-weight: 900; font-size: 1.05rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--gb-text);
}
.nav-brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav-menu { display: flex; align-items: center; gap: 1.5rem; font-size: 0.86rem; color: var(--gb-text-muted); }
.nav-menu a:not(.btn) { position: relative; padding: 0.3rem 0; }
.nav-menu a:not(.btn):hover, .nav-menu a.active { color: var(--gb-text); }
.nav-menu a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px;
  border-radius: 2px; background: var(--gradient-neon);
}
.nav-toggle {
  display: none; background: none; border: 1px solid var(--gb-border); color: var(--gb-text);
  width: 40px; height: 40px; border-radius: 0.6rem; cursor: pointer; align-items: center; justify-content: center;
}
.nav-toggle svg { width: 20px; height: 20px; }

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.home-hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 3rem;
  align-items: center; padding-top: 3.5rem; padding-bottom: 3rem;
}
.pill {
  display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.78rem; color: var(--gb-text-muted);
  border: 1px solid var(--gb-border); background: var(--gb-surface); border-radius: 999px; padding: 0.35rem 0.85rem;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gb-green); box-shadow: 0 0 10px var(--gb-green); }
.home-hero h1 {
  font-size: clamp(2.2rem, 5.2vw, 3.6rem); font-weight: 900; line-height: 1.08;
  margin: 1.2rem 0 1.1rem; text-transform: none; letter-spacing: 0.01em;
}
.lead { font-size: 1.06rem; color: var(--gb-text-muted); line-height: 1.7; max-width: 540px; }
.hero-download { flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: flex-start; margin-top: 2rem; gap: 0.75rem; }
.home-hero .other-platforms { justify-content: flex-start; margin-top: 0.6rem; }
.home-hero .release-meta { margin-top: 0.4rem; }
.trust-row { list-style: none; display: flex; flex-wrap: wrap; gap: 0.6rem 1.4rem; margin-top: 1.6rem; font-size: 0.82rem; color: var(--gb-text-muted); }
.trust-row li { display: flex; align-items: center; gap: 0.45rem; }
.trust-row svg { width: 16px; height: 16px; color: var(--gb-green); }

.home-hero-shot { position: relative; perspective: 1400px; }
.tilt { transform: rotateY(-9deg) rotateX(4deg); transition: transform 0.5s ease; }
.home-hero-shot:hover .tilt { transform: rotateY(-3deg) rotateX(1deg); }
.float-card {
  position: absolute; background: rgba(24, 24, 40, 0.92); border: 1px solid var(--gb-border);
  border-radius: 0.8rem; padding: 0.6rem 0.9rem; box-shadow: var(--shadow-card);
  display: grid; font-size: 0.72rem; color: var(--gb-text-muted); animation: float 5s ease-in-out infinite;
}
.float-card b { font-size: 0.95rem; color: var(--gb-text); }
.fc-1 { right: -0.8rem; bottom: -1.2rem; }
.fc-1 b { color: var(--gb-green); }
.fc-2 { left: -1.4rem; bottom: 2.5rem; animation-delay: -2.5s; }
.fc-2 b { color: var(--gb-neon); }

/* ─── Mock app window (illustrative screens drawn in HTML) ───────────────── */
.appwin {
  background: var(--gb-void); border: 1px solid var(--gb-border); border-radius: 0.9rem;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.03), var(--shadow-neon-sm);
  overflow: hidden; font-size: 0.72rem; color: var(--gb-text);
}
.appwin-bar {
  display: flex; align-items: center; gap: 0.35rem; height: 30px; padding: 0 0.75rem;
  background: var(--gb-dark); border-bottom: 1px solid var(--gb-border); color: var(--gb-text-dim); font-size: 0.66rem;
}
.appwin-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--gb-muted); }
.appwin-bar i:nth-child(1) { background: #f04f6a; }
.appwin-bar i:nth-child(2) { background: #fbbf24; }
.appwin-bar i:nth-child(3) { background: #22d3a0; }
.appwin-bar span { margin-left: 0.5rem; }
.appwin-body { display: grid; grid-template-columns: 118px minmax(0, 1fr); min-height: 300px; }
.appwin-body.single { grid-template-columns: 1fr; place-items: center; padding: 1.5rem; }
.appwin-side { background: var(--gb-dark); border-right: 1px solid var(--gb-border); padding: 0.75rem 0.5rem; display: grid; align-content: start; gap: 0.2rem; }
.appwin-side .logo-dot { width: 22px; height: 22px; border-radius: 6px; background: var(--gradient-neon); margin: 0 0 0.6rem 0.4rem; }
.appwin-side span { padding: 0.38rem 0.5rem; border-radius: 0.4rem; color: var(--gb-text-dim); display: flex; align-items: center; justify-content: space-between; }
.appwin-side span.on { background: rgba(124, 58, 237, 0.18); color: var(--gb-neon); }
.appwin-side em { width: 6px; height: 6px; border-radius: 50%; background: var(--gb-green); box-shadow: 0 0 6px var(--gb-green); }
.appwin-main { padding: 0.9rem; display: grid; gap: 0.7rem; align-content: start; }

.mock-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.mock-head strong { font-family: 'Orbitron', sans-serif; font-size: 0.85rem; }
.mock-chip { font-size: 0.6rem; padding: 0.2rem 0.5rem; border-radius: 999px; border: 1px solid var(--gb-border); color: var(--gb-text-muted); }
.mock-chip.green { color: var(--gb-green); border-color: rgba(34, 211, 160, 0.4); background: rgba(34, 211, 160, 0.08); }
.mock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; }
.mock-card { background: var(--gb-card); border: 1px solid var(--gb-border); border-radius: 0.6rem; padding: 0.75rem; display: grid; gap: 0.35rem; align-content: start; }
.mock-card.accent { border-color: rgba(168, 85, 247, 0.55); }
.mock-card small, .mock-label { font-size: 0.56rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gb-text-dim); font-weight: 700; }
.mock-big { font-weight: 700; font-size: 0.88rem; }
.mock-big.center { text-align: center; }
.mock-big.g { color: var(--gb-green); }
.mock-dim { color: var(--gb-text-dim); font-size: 0.64rem; line-height: 1.45; }
.mock-score { display: flex; align-items: baseline; gap: 0.4rem; font-family: 'Orbitron', sans-serif; font-size: 1.5rem; font-weight: 900; margin-top: 0.3rem; }
.mock-score .b { color: var(--gb-blue); }
.mock-score .y { color: var(--gb-yellow); }
.mock-score i { color: var(--gb-text-dim); font-size: 0.9rem; font-style: normal; }
.mock-capture { margin-top: 0.4rem; border: 1px dashed rgba(168, 85, 247, 0.5); border-radius: 0.5rem; padding: 0.55rem; text-align: center; display: grid; gap: 0.2rem; transition: border-color 0.3s, background 0.3s; }
.mock-capture p { font-size: 0.6rem; color: var(--gb-text-muted); }
.mock-capture b { font-family: 'Orbitron', sans-serif; font-size: 1.8rem; color: var(--gb-neon); line-height: 1.1; }
.mock-capture.captured { border-color: var(--gb-green); background: rgba(34, 211, 160, 0.08); }
.mock-capture.captured b { color: var(--gb-green); }
.kbd {
  display: inline-block; justify-self: center; font-family: ui-monospace, Consolas, monospace; font-size: 0.6rem;
  padding: 0.15rem 0.45rem; border-radius: 0.3rem; border: 1px solid var(--gb-border); background: var(--gb-elevated); color: var(--gb-neon);
}
.kbd.big { font-size: 0.85rem; padding: 0.35rem 0.75rem; box-shadow: 0 2px 0 var(--gb-border); }
.mock-btn { display: inline-flex; justify-content: center; align-items: center; background: var(--gradient-neon); color: #fff; font-weight: 600; border-radius: 0.45rem; padding: 0.45rem 0.8rem; font-size: 0.66rem; }
.mock-btn.ghost { background: transparent; border: 1px solid var(--gb-border); color: var(--gb-text-muted); }
.mock-row { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.3rem; }
.mock-form { width: min(300px, 100%); display: grid; gap: 0.5rem; }
.mock-form img { width: 44px; height: 44px; border-radius: 12px; justify-self: center; }
.mock-form label { display: grid; gap: 0.2rem; color: var(--gb-text-dim); font-size: 0.6rem; }
.field { background: var(--gb-surface); border: 1px solid var(--gb-border); border-radius: 0.4rem; padding: 0.45rem 0.6rem; color: var(--gb-text-muted); font-size: 0.68rem; display: flex; justify-content: space-between; align-items: center; }
.field .ok { font-style: normal; color: var(--gb-green); font-size: 0.6rem; }
.check { display: flex; gap: 0.4rem; align-items: center; color: var(--gb-text-muted); font-size: 0.62rem; }
.check i { width: 13px; height: 13px; border-radius: 3px; background: var(--gb-purple-500); color: #fff; font-style: normal; font-size: 0.55rem; display: grid; place-items: center; }
.mock-balance { background: linear-gradient(135deg, rgba(124, 58, 237, 0.25), rgba(192, 132, 252, 0.08)); border: 1px solid rgba(168, 85, 247, 0.4); border-radius: 0.6rem; padding: 0.8rem; display: grid; gap: 0.15rem; }
.mock-balance small { color: var(--gb-text-muted); font-size: 0.6rem; }
.mock-balance b { font-family: 'Orbitron', sans-serif; font-size: 1.5rem; }
.mock-balance span { color: var(--gb-yellow); font-size: 0.6rem; }
.mock-tabs, .mock-presets, .mock-chips { display: flex; gap: 0.3rem; flex-wrap: wrap; }
.mock-tabs span { flex: 1; text-align: center; padding: 0.35rem; border-radius: 0.4rem; color: var(--gb-text-dim); background: var(--gb-surface); }
.mock-tabs span.on { background: var(--gradient-neon); color: #fff; }
.mock-presets span, .mock-chips span { padding: 0.28rem 0.55rem; border-radius: 0.4rem; border: 1px solid var(--gb-border); color: var(--gb-text-muted); font-size: 0.64rem; }
.mock-presets span.on, .mock-chips span.on { border-color: var(--gb-purple-500); color: var(--gb-neon); background: rgba(124, 58, 237, 0.15); }
.mock-tx { list-style: none; display: grid; gap: 0.35rem; }
.mock-tx li { display: flex; justify-content: space-between; padding: 0.35rem 0; border-bottom: 1px solid var(--gb-border); color: var(--gb-text-muted); font-size: 0.64rem; }
.mock-tx b.g { color: var(--gb-green); }
.mock-tx b.y { color: var(--gb-yellow); }
.mock-fee { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; color: var(--gb-text-muted); }
.mock-fee .field { width: 90px; }
.mock-fee b { color: var(--gb-green); }
.mock-fee .arrow { color: var(--gb-text-dim); }
.mock-hotkey { display: grid; gap: 0.35rem; justify-items: center; text-align: center; padding: 0.8rem; border-radius: 0.5rem; background: rgba(124, 58, 237, 0.1); border: 1px solid rgba(168, 85, 247, 0.35); color: var(--gb-text-muted); font-size: 0.64rem; margin: 0.3rem 0; }
.mock-shot { position: relative; aspect-ratio: 16 / 9; border-radius: 0.4rem; overflow: hidden; background: radial-gradient(circle at 50% 30%, #1d4ed8 0%, #0b1023 70%); display: grid; place-items: center; align-content: center; gap: 0.4rem; }
.mock-shot .win { font-family: 'Orbitron', sans-serif; font-weight: 900; letter-spacing: 0.2em; color: #fde68a; text-shadow: 0 0 12px rgba(253, 230, 138, 0.7); font-size: 0.9rem; }
.mock-shot .rows { display: grid; gap: 3px; width: 70%; }
.mock-shot .rows i { height: 6px; border-radius: 2px; background: rgba(255, 255, 255, 0.18); }
.mock-shot .rows i:nth-child(odd) { background: rgba(56, 189, 248, 0.35); }
.win-card { text-align: center; justify-items: center; }
.trophy { font-size: 1.6rem; }
.mock-meter { width: 100%; height: 6px; border-radius: 99px; background: var(--gb-elevated); overflow: hidden; margin: 0.3rem 0; }
.mock-meter span { display: block; height: 100%; width: 72%; background: var(--gb-green); }
.mock-caption { font-size: 0.72rem; color: var(--gb-text-dim); text-align: center; }

/* ─── Stat strip ─────────────────────────────────────────────────────────── */
.stat-strip {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px;
  background: var(--gb-border); border: 1px solid var(--gb-border); border-radius: 1rem; overflow: hidden;
}
.stat-strip div { background: var(--gb-card); padding: 1.3rem 1rem; text-align: center; display: grid; gap: 0.3rem; }
.stat-strip b { font-family: 'Orbitron', sans-serif; font-size: 1.5rem; background: var(--gradient-neon); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat-strip span { font-size: 0.8rem; color: var(--gb-text-muted); }

/* ─── Stepper ────────────────────────────────────────────────────────────── */
.stepper { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 2rem; align-items: start; }
.step-list { display: grid; gap: 0.6rem; position: relative; }
.step-list button {
  display: flex; gap: 0.9rem; text-align: left; align-items: flex-start; width: 100%;
  background: transparent; border: 1px solid transparent; border-radius: 0.85rem; padding: 0.9rem 1rem;
  color: var(--gb-text-muted); font: inherit; cursor: pointer; transition: background 0.2s, border-color 0.2s, color 0.2s;
}
.step-list button:hover { background: var(--gb-surface); }
.step-list button.active { background: var(--gb-card); border-color: rgba(168, 85, 247, 0.5); color: var(--gb-text); box-shadow: var(--shadow-card); }
.step-list b { display: block; font-size: 0.98rem; color: var(--gb-text); margin-bottom: 0.2rem; }
.step-list small { font-size: 0.82rem; line-height: 1.5; }
.step-n {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  font-family: 'Orbitron', sans-serif; font-size: 0.78rem; font-weight: 700;
  border: 1px solid var(--gb-border); color: var(--gb-text-dim);
}
.step-list button.active .step-n { background: var(--gradient-neon); border-color: transparent; color: #fff; box-shadow: var(--shadow-neon-sm); }
.step-progress { height: 3px; border-radius: 3px; background: var(--gb-border); overflow: hidden; margin-top: 0.4rem; }
.step-progress span { display: block; height: 100%; width: 0; background: var(--gradient-neon); }
.step-screens { display: grid; gap: 1rem; }
.step-screens .appwin { animation: screen-in 0.35s ease; }
.step-screens .appwin[hidden] { display: none; }
@keyframes screen-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.step-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
html:not(.js) .step-nav button { display: none; }
/* Without JavaScript every screen shows, one after another. */
html:not(.js) .step-screens .appwin[hidden] { display: block; }

/* ─── Games ──────────────────────────────────────────────────────────────── */
.filter-row { display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1.6rem; }
.chip {
  font: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer; color: var(--gb-text-muted);
  background: var(--gb-surface); border: 1px solid var(--gb-border); border-radius: 999px; padding: 0.45rem 1rem;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.chip:hover { color: var(--gb-text); border-color: var(--gb-muted); }
.chip.active { color: #fff; background: rgba(124, 58, 237, 0.3); border-color: var(--gb-purple-500); }
button.game-card { font: inherit; color: var(--gb-text); cursor: pointer; width: 100%; }
button.game-card[hidden] { display: none; }
button.game-card[aria-expanded="true"] { border-color: var(--game-color); transform: translateY(-6px); }
button.game-card[aria-expanded="true"]::before { opacity: 0.4; }
.game-name { display: block; font-family: 'Orbitron', sans-serif; font-size: 0.9rem; font-weight: 700; margin-top: 0.55rem; line-height: 1.25; }
.game-card-art svg { margin: 0 auto; }
.game-detail {
  --game-color: var(--gb-purple-400);
  max-width: 880px; margin: 1.4rem auto 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.5rem;
  background: var(--gb-card); border: 1px solid var(--game-color); border-radius: 1rem; padding: 1.5rem;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.02), 0 20px 50px rgba(0, 0, 0, 0.45); animation: screen-in 0.3s ease;
}
.game-detail[hidden] { display: none; }
.game-detail h3 { font-size: 1.3rem; margin: 0.3rem 0 0.6rem; color: var(--game-color); }
.goal-list { list-style: none; display: grid; gap: 0.5rem; align-content: start; }
.goal-list li { display: flex; gap: 0.6rem; align-items: center; background: var(--gb-surface); border: 1px solid var(--gb-border); border-radius: 0.6rem; padding: 0.6rem 0.8rem; font-size: 0.88rem; }
.goal-list li::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--game-color); flex-shrink: 0; }

/* ─── Split sections, calculator, panels ─────────────────────────────────── */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2.5rem; align-items: center; }
.ticks { list-style: none; display: grid; gap: 0.6rem; margin-top: 1.3rem; color: var(--gb-text-muted); font-size: 0.92rem; }
.ticks li { display: flex; gap: 0.6rem; }
.ticks li::before { content: '✓'; color: var(--gb-green); font-weight: 700; }
.calc, .panel { background: var(--gb-card); border: 1px solid var(--gb-border); border-radius: 1rem; padding: 1.6rem; box-shadow: var(--shadow-card); }
.split .panel { align-self: stretch; }
.calc-label { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; margin-bottom: 0.9rem; }
.calc-label b { font-family: 'Orbitron', sans-serif; font-size: 1.4rem; color: var(--gb-neon); }
input[type="range"] {
  --fill: 9%;
  -webkit-appearance: none; appearance: none; width: 100%; height: 8px; border-radius: 99px; cursor: pointer;
  background: linear-gradient(90deg, var(--gb-purple-600) 0%, var(--gb-neon) var(--fill), var(--gb-elevated) var(--fill));
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff;
  border: 4px solid var(--gb-purple-500); box-shadow: var(--shadow-neon-md);
}
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--gb-purple-500); }
.calc-presets { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 1rem 0 1.3rem; }
.calc-presets .chip { padding: 0.3rem 0.75rem; font-size: 0.78rem; }
.calc-out { display: grid; gap: 0.1rem; }
.calc-out div { display: flex; justify-content: space-between; gap: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--gb-border); font-size: 0.9rem; }
.calc-out dt { color: var(--gb-text-muted); }
.calc-out dd { font-weight: 600; font-variant-numeric: tabular-nums; }
.calc-out .big { border-bottom: 0; padding: 0.9rem 0.8rem; margin: 0.4rem -0.8rem; border-radius: 0.6rem; background: rgba(34, 211, 160, 0.08); }
.calc-out .big dt { color: var(--gb-text); font-weight: 600; }
.calc-out .big dd { font-family: 'Orbitron', sans-serif; font-size: 1.4rem; color: var(--gb-green); }

.select {
  width: 100%; margin-top: 1rem; font: inherit; color: var(--gb-text); background: var(--gb-surface);
  border: 1px solid var(--gb-border); border-radius: 0.65rem; padding: 0.75rem 0.9rem; cursor: pointer;
}
.elig-result { margin-top: 0.9rem; font-size: 0.9rem; line-height: 1.55; min-height: 1.4em; }
.elig-result.yes, .elig-result.no { padding: 0.75rem 0.9rem; border-radius: 0.65rem; }
.elig-result.yes { color: var(--gb-green); background: rgba(34, 211, 160, 0.08); border: 1px solid rgba(34, 211, 160, 0.3); }
.elig-result.no { color: var(--gb-red); background: rgba(240, 79, 106, 0.08); border: 1px solid rgba(240, 79, 106, 0.3); }
.req-list { display: grid; gap: 0.1rem; margin-top: 0.8rem; }
.req-list div { display: grid; grid-template-columns: 130px minmax(0, 1fr); gap: 1rem; padding: 0.6rem 0; border-bottom: 1px solid var(--gb-border); font-size: 0.86rem; }
.req-list div:last-child { border-bottom: 0; }
.req-list dt { color: var(--gb-text); font-weight: 600; }
.req-list dd { color: var(--gb-text-muted); line-height: 1.5; }

/* ─── Features ───────────────────────────────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.feature {
  background: var(--gb-card); border: 1px solid var(--gb-border); border-radius: 1rem; padding: 1.4rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.feature:hover { transform: translateY(-3px); border-color: rgba(168, 85, 247, 0.5); }
.feature h3 { font-size: 0.92rem; margin-bottom: 0.45rem; }
.feature p { font-size: 0.83rem; color: var(--gb-text-muted); line-height: 1.6; }

/* ─── FAQ ────────────────────────────────────────────────────────────────── */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 0.6rem; }
.faq details { background: var(--gb-card); border: 1px solid var(--gb-border); border-radius: 0.85rem; transition: border-color 0.2s; }
.faq details[open] { border-color: rgba(168, 85, 247, 0.5); }
.faq summary {
  list-style: none; cursor: pointer; padding: 1.05rem 1.2rem; font-weight: 600; display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 1.3rem; color: var(--gb-purple-400); transition: transform 0.2s; line-height: 1; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 1.2rem 1.1rem; color: var(--gb-text-muted); line-height: 1.65; font-size: 0.92rem; }
.faq a { color: var(--gb-neon); text-decoration: underline; }

/* ─── CTA band + footer ──────────────────────────────────────────────────── */
.cta-band {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  margin-bottom: 4rem; padding: 2.2rem 2.4rem; border-radius: 1.2rem;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.35), rgba(192, 132, 252, 0.08)); border: 1px solid rgba(168, 85, 247, 0.45);
}
.cta-band h2 { font-size: clamp(1.3rem, 3.5vw, 1.8rem); margin-bottom: 0.4rem; }
.cta-band p { color: var(--gb-text-muted); }
.cta-actions { display: flex; gap: 0.7rem; flex-wrap: wrap; }

.site-footer { border-top: 1px solid var(--gb-border); padding: 3rem 0 2rem; font-size: 0.85rem; background: var(--gb-void); }
.footer-cols { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 2rem; }
.footer-cols h4 { font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gb-text); margin-bottom: 0.8rem; }
.footer-cols a:not(.nav-brand) { display: block; color: var(--gb-text-muted); padding: 0.22rem 0; }
.footer-cols a:hover { color: var(--gb-text); }
.footer-brand p { color: var(--gb-text-dim); margin-top: 0.7rem; max-width: 260px; line-height: 1.55; }
.footer-brand .nav-brand img { width: 28px; height: 28px; }
.footer-legal { margin-top: 2.2rem; padding-top: 1.5rem; border-top: 1px solid var(--gb-border); display: grid; gap: 0.6rem; color: var(--gb-text-dim); font-size: 0.74rem; line-height: 1.6; }

/* ─── Scroll reveal (only when JavaScript is running) ────────────────────── */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
html.js .reveal.in { opacity: 1; transform: none; }

/* ─── Guide page ─────────────────────────────────────────────────────────── */
.guide { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 3rem; padding-top: 2rem; padding-bottom: 4rem; }
.guide-toc { position: sticky; top: 90px; align-self: start; display: grid; gap: 0.15rem; font-size: 0.86rem; }
.guide-toc p { font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gb-text-dim); font-weight: 700; margin-bottom: 0.5rem; }
.guide-toc a { color: var(--gb-text-muted); padding: 0.4rem 0.7rem; border-left: 2px solid var(--gb-border); }
.guide-toc a:hover { color: var(--gb-text); }
.guide-toc a.active { color: var(--gb-neon); border-left-color: var(--gb-purple-400); background: rgba(124, 58, 237, 0.08); }
.guide-body h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); margin: 0.4rem 0 0.8rem; }
.guide-body > .lead { margin-bottom: 2rem; }
.guide-sec { padding: 2rem 0; border-top: 1px solid var(--gb-border); }
.guide-sec h2 { font-size: 1.25rem; margin-bottom: 0.9rem; display: flex; align-items: center; gap: 0.7rem; }
.guide-sec h2 .step-n { background: var(--gradient-neon); color: #fff; border: 0; }
.guide-sec h3 { font-size: 0.95rem; margin: 1.3rem 0 0.5rem; }
.guide-sec p, .guide-sec li { color: var(--gb-text-muted); line-height: 1.7; font-size: 0.95rem; }
.guide-sec p { margin-bottom: 0.8rem; }
.guide-sec ol, .guide-sec ul { padding-left: 1.3rem; display: grid; gap: 0.4rem; margin-bottom: 1rem; }
.guide-sec strong { color: var(--gb-text); }
.guide-sec a { color: var(--gb-neon); text-decoration: underline; }
.callout { border: 1px solid rgba(168, 85, 247, 0.4); background: rgba(124, 58, 237, 0.08); border-radius: 0.8rem; padding: 0.9rem 1.1rem; margin: 1rem 0; font-size: 0.9rem; color: var(--gb-text-muted); line-height: 1.6; }
.callout.warn { border-color: rgba(251, 191, 36, 0.4); background: rgba(251, 191, 36, 0.06); }
.callout b { color: var(--gb-text); }
.guide-sec .appwin { margin: 1.2rem 0; max-width: 640px; }
.inline-kbd { font-family: ui-monospace, Consolas, monospace; font-size: 0.82em; padding: 0.1rem 0.4rem; border-radius: 0.3rem; border: 1px solid var(--gb-border); background: var(--gb-elevated); color: var(--gb-neon); white-space: nowrap; }
.status-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 0.8rem 0 1rem; }
.status-table th, .status-table td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--gb-border); vertical-align: top; }
.status-table th { color: var(--gb-text); font-weight: 600; white-space: nowrap; }
.status-table td { color: var(--gb-text-muted); }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 1000px) {
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stepper { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .home-hero { grid-template-columns: 1fr; gap: 2.5rem; padding-top: 2rem; }
  .tilt { transform: none; }
  .float-card { display: none; }
  .split { grid-template-columns: 1fr; }
  .guide { grid-template-columns: 1fr; gap: 1rem; }
  .guide-toc { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-cols { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; padding: 0.5rem 16px 1rem; background: rgba(13, 13, 24, 0.97); border-bottom: 1px solid var(--gb-border);
  }
  .site-nav.open .nav-menu { display: flex; }
  .site-nav.open { background: rgba(13, 13, 24, 0.97); }
  .nav-menu a:not(.btn) { padding: 0.8rem 0.2rem; border-bottom: 1px solid var(--gb-border); }
  .nav-menu a.active::after { display: none; }
  .nav-menu .btn { margin-top: 0.8rem; }
  .stat-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .game-detail { grid-template-columns: 1fr; }
  .mock-grid { grid-template-columns: 1fr; }
  .appwin-body { grid-template-columns: 1fr; }
  .appwin-side { display: none; }
  .section { padding-top: 3.5rem; padding-bottom: 3.5rem; }
}
@media (max-width: 640px) {
  .wrap { padding-left: 16px; padding-right: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr; }
  .req-list div { grid-template-columns: 1fr; gap: 0.2rem; }
  .cta-band { padding: 1.6rem; }
  .hero-download .btn { width: 100%; }
}