/* ==========================================================================
   3D Snow Rider — home.css
   Home page only: game console, HUD, overlays, garage, features, guides, FAQ.
   Requires base.css.
   ========================================================================== */

/* ---------- Stage: source order h1-first, visual order game-first ---------- */
.stage{display:flex;flex-direction:column}
.stage > .console-wrap{order:1}
.stage > .intro{order:2}

/* ---------- Intro ---------- */
.intro{padding:26px 0 4px;text-align:center}
.intro h1{
  font-size:clamp(30px,5.6vw,56px);font-weight:900;
  letter-spacing:-1px;line-height:1.08;
  background:linear-gradient(180deg,#fff 18%,#d2eaf1 52%,var(--neon) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.intro h1 .hl{-webkit-text-fill-color:var(--neon);color:var(--neon)}
.intro .lede{
  font-size:clamp(15px,1.9vw,18.5px);color:var(--ice-dim);
  margin:12px auto 0;max-width:62ch;line-height:1.65;
}
.chips{display:flex;gap:9px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.chip{
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--glass);border:1px solid var(--line);color:var(--ice);
}

/* ==========================================================================
   Game console
   ========================================================================== */
/* Console top-left, side panel spanning both rows on the right, controls strip
   tucked under the console — so neither column leaves a tall empty gap. */
.console-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  grid-template-rows:auto auto;
  gap:16px 20px;margin:24px 0 0;align-items:start;
}
.console-wrap > .console{grid-column:1;grid-row:1}
.console-wrap > .side-panel{grid-column:2;grid-row:1 / span 2}
.console-wrap > .controls-card{grid-column:1;grid-row:2}
.console{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow),inset 0 1px 0 rgba(210,234,241,.06);
  min-width:0;
}
.console-top{
  display:flex;align-items:center;gap:8px;padding:11px 16px;
  border-bottom:1px solid var(--line);
  font-size:12.5px;font-weight:600;color:var(--ice-dim);
}
.console-top .dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.dot.green{background:var(--green);box-shadow:0 0 8px rgba(46,204,113,.5)}
.dot.yellow{background:#f1c40f}
.dot.red{background:#e74c3c}
.console-top .title{
  margin-left:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.console-top .tag{
  margin-left:auto;color:var(--neon);font-size:11px;
  letter-spacing:1.4px;text-transform:uppercase;font-weight:800;flex-shrink:0;
}

/* The aspect-ratio reserves the box before Three.js boots — zero layout shift. */
#gameContainer{
  position:relative;width:100%;
  aspect-ratio:1100/685;
  background:linear-gradient(180deg,#9cc8ee,#eaf4fd);
  overflow:hidden;
  /* pan-y, not none: a swipe over the canvas must still scroll the page on a
     phone. The control buttons opt out individually. */
  touch-action:pan-y;
  contain:layout paint;
}
#gameContainer canvas{display:block;width:100%;height:100%}
#gameContainer:fullscreen,
#gameContainer:-webkit-full-screen{
  aspect-ratio:auto;width:100vw;height:100vh;border-radius:0;
}

/* ---------- In-game HUD (visible in fullscreen too) ---------- */
.hud{
  position:absolute;top:0;left:0;right:0;z-index:14;
  display:flex;align-items:flex-start;gap:8px;
  padding:10px 12px;pointer-events:none;
  padding-top:max(10px,env(safe-area-inset-top));
  opacity:0;transition:opacity .3s;
}
.hud.on{opacity:1}
.hud-item{
  display:flex;align-items:baseline;gap:5px;
  background:rgba(6,12,22,.62);border:1px solid rgba(210,234,241,.22);
  border-radius:999px;padding:5px 13px;
  font-size:12px;font-weight:700;color:#eaf6fb;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  text-shadow:0 1px 3px rgba(0,0,0,.6);
}
.hud-item b{font-size:16px;font-weight:900;font-variant-numeric:tabular-nums}
.hud-item.gold b{color:var(--gold)}
.hud-item.best{margin-left:auto}
.hud-item.best b{color:var(--pink)}

/* ---------- Overlays (start / game over / paused) ---------- */
.overlay{
  position:absolute;inset:0;z-index:20;
  display:flex;align-items:center;justify-content:center;
  padding:16px;
  background:rgba(8,14,26,.72);
  backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px);
  transition:opacity .35s;overflow-y:auto;
}
.overlay[hidden]{display:none}
.panel{
  text-align:center;width:100%;max-width:440px;
  padding:clamp(20px,4vw,34px) clamp(18px,4vw,32px);
  background:rgba(8,14,26,.9);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 30px 80px rgba(0,0,0,.7);
}
.panel .mark{font-size:clamp(40px,9vw,64px);line-height:1;display:block;margin-bottom:6px}
.panel h2{
  font-size:clamp(24px,5vw,38px);font-weight:900;line-height:1.1;
  background:linear-gradient(180deg,#fff,var(--neon));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.panel .sub{color:var(--ice-dim);font-size:clamp(13px,2.6vw,15.5px);font-weight:600;margin:6px 0 18px}
.btn-start{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px clamp(30px,8vw,52px);border:none;border-radius:16px;
  font-weight:900;font-size:clamp(17px,3.6vw,21px);font-family:inherit;
  background:linear-gradient(135deg,var(--neon),var(--neon-deep));
  color:var(--ink);cursor:pointer;box-shadow:var(--neon-glow);
  min-height:54px;transition:transform .15s,box-shadow .2s;
}
.btn-start:hover{transform:scale(1.04);box-shadow:0 0 34px rgba(77,227,255,.45)}
.btn-start:active{transform:scale(.96)}
.hint{margin-top:16px;font-size:12.5px;color:var(--ice-dim);line-height:2}
kbd{
  background:rgba(210,234,241,.1);border:1px solid var(--line);
  border-bottom-width:2px;border-radius:6px;
  padding:2px 8px;font-family:inherit;font-weight:700;
  font-size:12px;color:var(--ice);white-space:nowrap;
}

/* Game-over score readout */
.score-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:16px 0 18px;
}
.score-cell{
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:11px 6px;
}
.score-cell span{
  display:block;font-size:10.5px;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--ice-faint);font-weight:700;margin-bottom:3px;
}
.score-cell b{font-size:clamp(17px,4vw,22px);font-weight:900;color:#fff;font-variant-numeric:tabular-nums}
.score-cell.gold b{color:var(--gold)}
.score-cell.pink b{color:var(--pink)}
.record{
  display:inline-block;margin-bottom:10px;padding:5px 15px;border-radius:999px;
  background:rgba(255,217,61,.14);border:1px solid rgba(255,217,61,.4);
  color:var(--gold);font-size:12px;font-weight:800;letter-spacing:1.2px;
}
.record[hidden]{display:none}
.panel-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* Paused badge */
#pauseBadge{
  position:absolute;inset:0;z-index:18;
  display:grid;place-items:center;pointer-events:none;
  background:rgba(8,14,26,.55);
  font-size:clamp(22px,6vw,38px);font-weight:900;letter-spacing:6px;
  color:#fff;text-shadow:0 4px 24px rgba(0,0,0,.7);
}
#pauseBadge[hidden]{display:none}

/* ---------- Touch controls ---------- */
#touchPad{
  position:absolute;inset:0;z-index:12;pointer-events:none;
  padding:0 max(14px,env(safe-area-inset-left)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-right));
}
#touchPad[hidden]{display:none}
.tbtn{
  position:absolute;bottom:14px;
  width:64px;height:64px;border-radius:50%;
  display:grid;place-items:center;
  font-size:26px;line-height:1;
  background:rgba(8,20,34,.42);
  border:2px solid rgba(234,246,251,.34);
  color:#fff;cursor:pointer;pointer-events:auto;
  touch-action:none;-webkit-user-select:none;user-select:none;
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  transition:transform .08s,background-color .12s;
}
.tbtn.pressed{background:rgba(77,227,255,.34);transform:scale(.93)}
.tbtn.left{left:14px}
.tbtn.right{left:88px}
.tbtn.jump{
  right:14px;width:76px;height:76px;font-size:30px;
  background:rgba(255,217,61,.16);border-color:rgba(255,217,61,.5);color:var(--gold);
}
.tbtn.jump.pressed{background:rgba(255,217,61,.4)}

/* ---------- Console footer buttons ---------- */
.console-bottom{
  display:flex;gap:10px;padding:13px 16px;
  border-top:1px solid var(--line);flex-wrap:wrap;
}
.console-bottom .btn{flex:1 1 auto;min-width:132px}

/* ---------- Side panel ---------- */
.side-panel{display:flex;flex-direction:column;gap:16px;min-width:0}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);
}
.side-card h2{
  font-size:12.5px;text-transform:uppercase;letter-spacing:1.8px;
  color:var(--ice-faint);margin-bottom:12px;font-weight:800;
}
.stat-row{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:7px 0;border-bottom:1px solid rgba(210,234,241,.07);
}
.stat-row:last-child{border-bottom:0}
.stat-label{color:var(--ice-dim);font-size:13.5px}
.stat-value{font-weight:800;font-size:15px;color:#fff;font-variant-numeric:tabular-nums}
.stat-value.gold{color:var(--gold)}
.stat-value.pink{color:var(--pink)}

/* Controls strip — a wrapping row, so it reads the same at 1440px and 360px. */
.controls-row{display:flex;flex-wrap:wrap;gap:11px 24px;align-items:center}
.cgroup{display:inline-flex;align-items:center;gap:9px}
.ck{display:inline-flex;gap:4px}
.ck kbd{padding:4px 9px;font-size:12.5px}
.cl{font-size:13.5px;color:var(--ice-dim);font-weight:600;white-space:nowrap}
.touch-note{font-size:12.5px;color:var(--ice-faint);margin-top:12px}

/* ---------- Garage / sled shop ---------- */
.garage{display:grid;gap:8px}
.sled-btn{
  display:flex;align-items:center;gap:11px;width:100%;
  padding:10px 12px;text-align:left;
  background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius-sm);cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.sled-btn:hover:not(:disabled){border-color:var(--line-strong);background:rgba(77,227,255,.08)}
.sled-btn .art{font-size:22px;line-height:1;flex-shrink:0}
.sled-btn .info{flex:1;min-width:0}
.sled-btn .nm{display:block;font-size:13.5px;font-weight:800;color:#fff;line-height:1.3}
.sled-btn .st{display:block;font-size:11.5px;color:var(--ice-faint);font-weight:600}
.sled-btn[data-state="equipped"]{border-color:var(--line-strong);background:rgba(77,227,255,.1)}
.sled-btn[data-state="equipped"] .st{color:var(--neon)}
.sled-btn[data-state="locked"] .st{color:var(--gold)}
.sled-btn:disabled{cursor:not-allowed;opacity:.75}
.bank-row{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:11px;padding-bottom:10px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--ice-dim);
}
.bank-row b{color:var(--gold);font-size:16px;font-weight:900;font-variant-numeric:tabular-nums}

/* ==========================================================================
   Content sections
   ========================================================================== */
.section{margin-top:clamp(44px,6vw,66px)}

/* Features */
.features-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.feature-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.feature-card:hover{
  border-color:var(--line-strong);transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,.45);
}
.feature-card .icon{font-size:32px;line-height:1;margin-bottom:10px;display:block}
.feature-card h3{font-size:17px;font-weight:800;color:#fff;margin-bottom:6px}
.feature-card p{font-size:14.5px;color:var(--ice-dim);line-height:1.65}

/* Guides */
.guides-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.post-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.post-card:hover{
  transform:translateY(-5px);border-color:var(--line-strong);
  box-shadow:0 16px 44px rgba(0,0,0,.5);
}
.post-card > a{display:block}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-soft)}
.post-card .pc-body{padding:14px 16px 17px;display:flex;flex-direction:column;flex:1}
.post-card .pc-tag{
  font-size:10.5px;font-weight:800;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--neon);
}
.post-card h3{font-size:16px;font-weight:800;color:#fff;margin:5px 0 6px;line-height:1.32}
.post-card h3 a{color:inherit}
.post-card h3 a:hover{color:var(--neon)}
.post-card p{font-size:13.5px;color:var(--ice-dim);margin:0;line-height:1.55}
.post-card.large{grid-column:span 2;grid-row:span 2}
.post-card.large img{aspect-ratio:16/8}
.post-card.large h3{font-size:20px}
.post-card.large p{font-size:14.5px}

/* About + FAQ */
.about-faq-grid{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);
  gap:30px;align-items:start;
}
.prose p{font-size:15.5px;line-height:1.85;color:var(--ice-dim);margin-bottom:14px}
.prose p:last-child{margin-bottom:0}
.prose strong{color:#fff;font-weight:700}

.faq-list{display:flex;flex-direction:column;gap:9px}
.faq-list details{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-sm);
}
.faq-list summary{
  cursor:pointer;font-weight:700;font-size:15px;color:#fff;
  list-style:none;display:flex;justify-content:space-between;
  align-items:center;gap:12px;padding:14px 16px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:'';flex-shrink:0;width:9px;height:9px;
  border-right:2px solid var(--neon);border-bottom:2px solid var(--neon);
  transform:rotate(45deg);transition:transform .25s;margin-top:-4px;
}
.faq-list details[open] summary::after{transform:rotate(-135deg);margin-top:3px}
.faq-list summary:hover{color:var(--neon)}
.faq-list details > div{padding:0 16px 15px}
.faq-list details p{color:var(--ice-dim);font-size:14.5px;line-height:1.7}

/* Screenshot strip */
.shots{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.shots figure{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
}
.shots img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--bg-soft)}
.shots figcaption{padding:12px 16px;font-size:13.5px;color:var(--ice-dim)}

/* ==========================================================================
   Responsive — tablet first, then phone
   ========================================================================== */
@media (max-width:1024px){
  /* One column: console, then stats + garage side by side, then controls. */
  .console-wrap{grid-template-columns:minmax(0,1fr);gap:16px}
  .console-wrap > .console,
  .console-wrap > .side-panel,
  .console-wrap > .controls-card{grid-column:1;grid-row:auto}
  .side-panel{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;align-items:start;
  }
  .garage{grid-template-columns:repeat(2,minmax(0,1fr))}
  #gameContainer{aspect-ratio:3/2}
  .features-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* Two console buttons per row keeps their labels readable on phones —
   an icon-only row is smaller but tells you nothing. */
@media (max-width:560px){
  .console-bottom .btn{flex:1 1 calc(50% - 4px);min-width:0}
}

@media (max-width:860px){
  .guides-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-card.large{grid-column:span 2;grid-row:span 1}
  .post-card.large img{aspect-ratio:16/9}
  .post-card.large h3{font-size:18px}
  .about-faq-grid{grid-template-columns:minmax(0,1fr);gap:34px}
}

@media (max-width:680px){
  .intro{padding:20px 0 2px}
  #gameContainer{aspect-ratio:4/3}
  .console-wrap{margin-top:18px}
  .console-top{padding:10px 13px;font-size:11.5px}
  .console-top .tag{display:none}
  .console-bottom{padding:11px 12px;gap:8px}
  .console-bottom .btn{padding:11px 8px;font-size:13px}
  /* align-items must be reset: inherited from the grid rule above it would
     mean "shrink to content" on a flex column, leaving narrow cards. */
  .side-panel{display:flex;flex-direction:column;align-items:stretch;gap:14px}
  .side-card{padding:15px 16px}
  .garage{grid-template-columns:minmax(0,1fr)}
  .controls-row{gap:9px 18px}
  .cl{font-size:13px}
  /* Compact the overlay so it fits the shorter canvas without scrolling. */
  .panel .mark{font-size:34px;margin-bottom:2px}
  .panel .sub{margin:5px 0 13px}
  .hint{margin-top:11px;font-size:11.5px;line-height:1.9}
  .score-grid{margin:13px 0 14px}
  .score-cell{padding:9px 4px}
  .stats-card .stat-row{
    border-bottom:0;padding:0;flex-direction:column;gap:2px;text-align:center;
  }
  .stats-card .stat-list{
    display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;
  }
  .stats-card .stat-label{font-size:11.5px}
  .features-grid{grid-template-columns:1fr;gap:13px}
  .guides-grid{grid-template-columns:1fr;gap:14px}
  .post-card.large{grid-column:span 1}
  .shots{grid-template-columns:1fr}
  .chips{gap:7px}
  .chip{font-size:12px;padding:6px 12px}
  .tbtn{width:58px;height:58px;font-size:23px;bottom:12px}
  .tbtn.left{left:12px}
  .tbtn.right{left:78px}
  .tbtn.jump{width:68px;height:68px;font-size:27px;right:12px}
  .hud-item{padding:4px 10px;font-size:11px}
  .hud-item b{font-size:14px}
}

@media (max-width:400px){
  .console-bottom .btn{padding:11px 4px;font-size:12.5px;gap:5px}
  .chip{font-size:11.5px;padding:5px 10px}
}

/* Landscape phone: keep the canvas from pushing content off-screen. */
@media (max-height:520px) and (orientation:landscape){
  #gameContainer{aspect-ratio:auto;height:78dvh;min-height:240px}
}