/* ══════════════════════════════════════════
   Ultimate Game Stash — style.css
   Original editorial style: Bebas Neue + Nunito
   Dark header · white/blue theme · clean steps
   ══════════════════════════════════════════ */

:root {
  --bg:           #f0f4ff;
  --bg-card:      #ffffff;
  --text:         #1a1a2e;
  --text-muted:   #5a6a8a;
  --accent:       #1565c0;
  --accent-hover: #0d47a1;
  --accent-glow:  rgba(21,101,192,0.3);
  --border:       #c5d4f0;
  --disc-bg:      #e8f0fe;
  --shadow:       0 4px 18px rgba(21,101,192,0.1);
  --shadow-hover: 0 8px 32px rgba(21,101,192,0.22);
  --header-bg:    #1a3a6b;
  --footer-bg:    #ffffff;
  --footer-border: #e0e5f2;
  --r:            12px;
  --t:            0.22s ease;
  --max:          820px;
}

[data-theme="dark"] {
  --bg:           #0d1117;
  --bg-card:      #161b22;
  --text:         #e6edf3;
  --text-muted:   #8b949e;
  --accent:       #58a6ff;
  --accent-hover: #79b8ff;
  --accent-glow:  rgba(88,166,255,0.3);
  --border:       #30363d;
  --disc-bg:      #1c2433;
  --shadow:       0 4px 18px rgba(0,0,0,0.4);
  --shadow-hover: 0 8px 32px rgba(88,166,255,0.18);
  --header-bg:    #090d13;
  --footer-bg:    #161b22;
  --footer-border: #30363d;
}

/* ── Reset ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Nunito', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  transition: background var(--t), color var(--t);
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; height: auto; }

/* ── Controls (top-right) ─────────────────── */
.controls {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 200;
  display: flex;
  gap: 8px;
  align-items: center;
}

.ctrl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: 'Nunito', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  box-shadow: var(--shadow);
  transition: background var(--t), border-color var(--t), color var(--t), box-shadow var(--t), transform var(--t);
  white-space: nowrap;
}
.ctrl-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}
.icon-btn { width: 36px; padding: 0; justify-content: center; }
.icon-btn svg { width: 15px; height: 15px; }

/* Theme icon swap */
.moon { display: none; }
[data-theme="dark"] .sun  { display: none; }
[data-theme="dark"] .moon { display: block; }

/* ── Header ───────────────────────────────── */
header {
  background: var(--header-bg);
  padding: 56px 24px 44px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 60% -20%, rgba(88,166,255,0.12) 0%, transparent 65%);
  pointer-events: none;
}
header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(88,166,255,0.4) 40%, rgba(88,166,255,0.4) 60%, transparent);
}
.header-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max);
  margin: 0 auto;
}
.header-eyebrow {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 12px;
}
header h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(3.5rem, 12vw, 7rem);
  line-height: 0.92;
  color: #ffffff;
  letter-spacing: 2px;
}
.header-line {
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 20px auto 0;
}

/* ── Main ─────────────────────────────────── */
main {
  flex: 1;
  max-width: var(--max);
  width: 100%;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ── CTA section ──────────────────────────── */
.cta-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 48px 0 28px;
}

.big-btn {
  display: inline-block;
  padding: 16px 44px;
  background: var(--accent);
  color: #fff;
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.1rem, 3.5vw, 1.55rem);
  letter-spacing: 1.5px;
  border-radius: 50px;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: background var(--t), transform var(--t), box-shadow var(--t);
}
.big-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}
.big-btn:active { transform: translateY(0); }

.install-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: transparent;
  color: var(--accent);
  border: 1.5px solid var(--accent);
  border-radius: 50px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--t), color var(--t), transform var(--t);
}
.install-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* ── Disclaimer ───────────────────────────── */
.disclaimer {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--disc-bg);
  border-left: 3px solid var(--accent);
  border-radius: var(--r);
  padding: 14px 18px;
  margin-bottom: 36px;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text);
}
.disclaimer span { font-size: 1.2rem; flex-shrink: 0; margin-top: 1px; }
.disclaimer strong { color: var(--accent); }

/* ── Steps ────────────────────────────────── */
.steps h2 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  letter-spacing: 1.5px;
  text-align: center;
  margin-bottom: 6px;
  color: var(--text);
}
.steps-hint {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
  margin-bottom: 32px;
}

.steps-list {
  display: flex;
  flex-direction: column;
}

.step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 20px;
  align-items: start;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.step:last-child { border-bottom: 1px solid var(--border); }

.step-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--accent);
  opacity: 0.5;
  padding-top: 4px;
  text-align: center;
}

/* ── Step image ───────────────────────────── */
.step-img {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  cursor: zoom-in;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--bg-card);
  transition: box-shadow var(--t), transform var(--t), border-color var(--t);
}
.step-img:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
  border-color: var(--accent);
}
.step-img img {
  width: 100%;
  height: auto;
  display: block;
  transition: filter var(--t);
}
.step-img:hover img { filter: brightness(1.04); }

.zoom-overlay {
  position: absolute;
  bottom: 10px; right: 10px;
  width: 36px; height: 36px;
  background: rgba(0,0,0,0.5);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.9);
  opacity: 0;
  transform: scale(0.85);
  transition: opacity var(--t), transform var(--t);
  backdrop-filter: blur(4px);
  pointer-events: none; /* never blocks clicks */
}
.step-img:hover .zoom-overlay { opacity: 1; transform: scale(1); }

/* ── Lightbox ─────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(4,5,10,0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  backdrop-filter: blur(12px);
}
.lightbox.open { opacity: 1; pointer-events: all; }

.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  width: auto;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 40px 120px rgba(0,0,0,0.95);
  display: block;
}

.lb-close, .lb-nav {
  position: fixed;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 50%;
  color: rgba(255,255,255,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background var(--t), transform var(--t);
}
.lb-close:hover, .lb-nav:hover { background: rgba(255,255,255,0.16); }

.lb-close { top: 18px; right: 18px; width: 42px; height: 42px; }
.lb-close:hover { transform: rotate(90deg); }
.lb-nav { top: 50%; transform: translateY(-50%); width: 48px; height: 48px; }
.lb-prev { left: 18px; }
.lb-prev:hover { transform: translateY(-50%) translateX(-2px); }
.lb-next { right: 18px; }
.lb-next:hover { transform: translateY(-50%) translateX(2px); }

.lb-counter {
  position: fixed;
  bottom: 24px;
  left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.3);
  font-size: 0.72rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ── Footer ───────────────────────────────── */
footer {
  background: var(--footer-bg);
  text-align: center;
  padding: 20px 24px;
  border-top: 1px solid var(--footer-border);
  transition: background var(--t);
}
footer p {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Responsive ───────────────────────────── */
@media (max-width: 500px) {
  .step { grid-template-columns: 40px 1fr; gap: 14px; padding: 22px 0; }
  .controls { top: 10px; right: 10px; }
  .lb-prev { left: 6px; }
  .lb-next { right: 6px; }
}