:root {
  /* Colors */
  --bg: #0b0b0b;          /* dark bg */
  --bg-elev: #111;
  --text: #ffffff;
  --muted: #e6e6e6;
  --line: rgba(111, 226, 111, 0.25);
  --mc-green: #3c8527;
  --mc-green-light: #4CAF50;
  --mc-green-neon: #6fe26f;

  /* Layout */
  --page-padding: 80px 60px;
  --card-gap: 20px;
  --header-height: 84px;
  --radius: 14px;
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.5);

  /* Motion */
  --tilt-perspective: 800px;
  --tilt-damp: 12;
}

/* Light theme overrides */
:root[data-theme="light"] {
  --bg: #f7faf7;
  --bg-elev: #ffffff;
  --text: #0b0b0b;
  --muted: #2e2e2e;
  --line: rgba(76, 175, 80, 0.35);
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Roboto', sans-serif;
  background:
    radial-gradient(1400px 600px at 10% 0%, rgba(76, 175, 80, 0.08), transparent),
    var(--bg);
  color: var(--text);
  padding-top: var(--header-height);
}

/* Header */
header {
  position: fixed; inset: 0 0 auto 0; height: var(--header-height);
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 60px; z-index: 1000;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
:root[data-theme="light"] header { background: rgba(255,255,255,0.75); }

.brand { font-weight: 800; font-size: 1.5rem; letter-spacing: .3px; color: var(--mc-green-light); text-decoration: none; justify-self: start; }
nav { display: flex; gap: 18px; align-items: center; justify-content: center; justify-self: center; margin-left: auto; margin-right: auto; }
nav a { color: var(--text); text-decoration: none; font-weight: 500; position: relative; padding: 8px 2px; text-shadow: 0 1px 2px rgba(0,0,0,0.25); }
:root[data-theme="light"] nav a { text-shadow: none; }
nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; transform: scaleX(0); background: linear-gradient(90deg, var(--mc-green), var(--mc-green-neon)); transition: transform .25s ease; transform-origin: left; }
nav a:hover::after { transform: scaleX(1); }
nav a.active { color: var(--mc-green-neon); }

/* theme toggle removed */

/* Hero */
.hero { height: 70vh; position: relative; display: grid; align-content: end; padding: var(--page-padding); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.85)), url('assets/jg.png') center/cover no-repeat fixed; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(600px 200px at 20% 70%, rgba(76,175,80,.18), transparent); z-index: -1; }
.hero h1 { font-size: clamp(2rem, 4vw, 3.5rem); margin: 0; color: var(--mc-green-neon); }
.hero p { font-size: 1.1rem; max-width: 780px; margin: 12px 0 24px; color: var(--muted); }
.btn { display: inline-block; padding: 14px 28px; font-size: 1rem; font-weight: 700; border-radius: 10px; border: 1px solid rgba(111,226,111,.35); background: linear-gradient(180deg, var(--mc-green-light), var(--mc-green)); color: #091409; cursor: pointer; box-shadow: 0 0 0 rgba(111,226,111,0.5); transition: transform .15s ease, box-shadow .2s ease, filter .2s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(111,226,111,.25); filter: saturate(1.05); }

/* Roctoter 3D model and chat */
.roctoter {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 260px;
  height: 260px;
  cursor: pointer;
  z-index: 900; /* ensure it's above gradients and content */
}
.roctoter canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.roctoter-chat {
  position: absolute;
  top: 300px;
  right: 20px;
  width: 260px;
  background: rgba(0,0,0,0.6);
  padding: 12px;
  border-radius: var(--radius);
}
.roctoter-chat::before {
  content: "";
  position: absolute;
  top: -10px;
  right: 20px;
  border-width: 0 10px 10px 10px;
  border-style: solid;
  border-color: transparent transparent rgba(0,0,0,0.6) transparent;
}
.roctoter-chat input {
  width: 100%;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--bg-elev);
  color: var(--text);
  margin-bottom: 8px;
}
.roctoter-chat .btn {
  width: 100%;
}
#roctoter-output {
  margin-top: 8px;
  font-size: .9rem;
  color: var(--muted);
}

.hidden { display: none; }

.roctoter--active {
  animation: roctoter-bounce .3s ease;
}

@keyframes roctoter-bounce {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
 100% { transform: scale(1); }
}

/* Sections */
.section { padding: var(--page-padding); }
.section h2 { margin: 0 0 18px; font-size: 1.6rem; color: var(--mc-green-neon); }
.section h2 span { color: var(--muted); font-weight: 400; margin-left: 8px; font-size: 1rem; }

/* Row + Cards */
.row { display: grid; grid-auto-flow: column; grid-auto-columns: clamp(200px, 23vw, 280px); gap: var(--card-gap); overflow-x: auto; padding: 6px 2px 14px; scroll-snap-type: x mandatory; }
.row::-webkit-scrollbar { height: 10px; }
.row::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.14); border-radius: 8px; }

.card { position: relative; aspect-ratio: 16/9; border-radius: var(--radius); overflow: hidden; scroll-snap-align: start; background: var(--bg-elev); box-shadow: var(--shadow-lg); transform-style: preserve-3d; }
.card img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.05) contrast(1.05); }
.card::after { content: ""; position: absolute; inset: -40% -40% auto auto; width: 80%; height: 200%; transform: rotate(25deg); pointer-events: none; background: linear-gradient( to left, rgba(255,255,255,0.0), rgba(255,255,255,0.06), rgba(255,255,255,0.0) ); transition: transform .6s ease; }
.card:hover::after { transform: translateX(-20%) rotate(25deg); }
/* card--game uses default card sizing */
/* Make Minecraft card larger */
.card.card--game { grid-column: span 2; }
@media (max-width: 900px) { .card.card--game { grid-column: span 1; } }

/* Make The Run card the same larger size */
.card.card--therun { grid-column: span 2; }
@media (max-width: 900px) { .card.card--therun { grid-column: span 1; } }
.card.card--tetris { grid-column: span 2; }
@media (max-width: 900px) { .card.card--tetris { grid-column: span 1; } }
.card__overlay { position: absolute; inset: auto 0 0 0; padding: 12px 12px; background: linear-gradient( to top, rgba(0,0,0,.75), rgba(0,0,0,0) ); font-weight: 700; letter-spacing: .2px; display: flex; align-items: end; gap: 8px; }
:root[data-theme="light"] .card__overlay { background: linear-gradient( to top, rgba(0,0,0,.4), rgba(0,0,0,0) ); }
.pill { font-size: .72rem; padding: 4px 8px; border-radius: 999px; background: rgba(111,226,111,.18); border: 1px solid rgba(111,226,111,.35); color: var(--mc-green-neon); }

#game canvas {
  border: 2px solid var(--line);
  background: var(--bg-elev);
  display: block;
  margin: 0 auto;
  image-rendering: pixelated;
}

#designs canvas {
  border: 2px solid var(--line);
  background: var(--bg-elev);
  display: block;
  margin: 0 auto;
}

#therun canvas {
  border: 2px solid var(--line);
  background: var(--bg-elev);
  display: block;
  margin: 0 auto;
}

#game .game-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#blockPalette {
  margin-top: 12px;
  display: flex;
  gap: 10px;
}

#blockPalette .palette-btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--line);
  cursor: pointer;
}

.palette-btn.block-1 { background: #79553d; }
.palette-btn.block-2 { background: #888; }
.palette-btn.block-3 { background: #55aa55; }
.palette-btn.block-4 { background: #b22222; }

.palette-btn.selected {
  outline: 2px solid var(--mc-green-neon);
  outline-offset: 2px;
}

#game .game-controls {
  text-align: center;
  margin-top: 12px;
}

/* Anchor Offsets */
.section, .hero { scroll-margin-top: calc(var(--header-height) + 10px); }

footer { padding: 22px 60px; text-align: center; background: #000; color: #999; border-top: 1px solid var(--line); }
:root[data-theme="light"] footer { background: #f1f1f1; color: #333; }

@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }
@media (max-width: 900px) { header { padding: 0 24px; } body { padding-top: calc(var(--header-height) + 24px); } .row { grid-auto-columns: clamp(180px, 48vw, 260px); } .hero { height: 64vh; } }
@media (max-width: 600px) { header { padding: 0 16px; } .row { grid-auto-columns: clamp(160px, 70vw, 240px); } .hero { height: 58vh; } }

/* Lightbox (Card Zoom) */
body.modal-open { overflow: hidden; }
.lightbox {
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.85); padding: 24px; z-index: 2000;
}
.lightbox.lightbox--open { display: flex; }
.lightbox__content { position: relative; max-width: min(1200px, 92vw); max-height: 90vh; transform: scale(.98); opacity: 0; transition: transform .2s ease, opacity .2s ease; }
.lightbox--open .lightbox__content { transform: scale(1); opacity: 1; }
.lightbox__img { width: 100%; height: auto; max-height: 90vh; object-fit: contain; border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.lightbox__caption { margin-top: 12px; color: var(--muted); text-align: center; }
.lightbox__close { position: absolute; top: -12px; right: -12px; background: rgba(0,0,0,0.6); color: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; cursor: pointer; font-weight: 700; }

/* Back-to-top Button */
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; width: 56px; height: 56px;
  border-radius: 999px; display: grid; place-items: center; cursor: pointer;
  background: linear-gradient(180deg, var(--mc-green-light), var(--mc-green));
  color: #091409; border: 1px solid rgba(111,226,111,.35);
  box-shadow: 0 10px 30px rgba(111,226,111,.22);
  opacity: 0; pointer-events: none; transform: translateY(8px) scale(.96);
  transition: opacity .2s ease, transform .2s ease, box-shadow .2s ease;
  z-index: 1200;
}
.back-to-top:hover { box-shadow: 0 16px 40px rgba(111,226,111,.28); transform: translateY(0) scale(1.02); }
.back-to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0) scale(1); }
.back-to-top span { font-size: 22px; line-height: 1; }
@media (max-width: 600px) { .back-to-top { bottom: 16px; right: 16px; width: 52px; height: 52px; } }