:root {
  --bg: #070909;
  --bg-2: #0b0f0d;
  --panel: rgba(20, 17, 15, 0.72);
  --panel-solid: #141110;
  --line: rgba(255, 170, 90, 0.16);
  --line-2: rgba(255, 255, 255, 0.07);
  --ember: #ff7a1a;
  --ember-2: #ffb347;
  --hot: #fff1c9;
  --rune: #2f6e48;
  --rune-glow: #5ee37a;
  --ink: #f3e9dc;
  --ink-2: #bcae9f;
  --muted: #84786c;
  --t-shatter: #ff4d4d;
  --t-damage: #ffb020;
  --t-hold: #4fd17a;
  --t-success: #4cb8ff;
  --t-great: #c77dff;
  --gold: #ffd36b;
  --radius: 10px;
  --iron: linear-gradient(180deg, rgba(40, 29, 22, 0.94), rgba(15, 12, 10, 0.96));
  --iron-edge: rgba(255, 160, 80, 0.2);
  --rivet: rgba(255, 196, 130, 0.42);
  --rivets:
    radial-gradient(circle at 11px 11px, var(--rivet) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at calc(100% - 11px) 11px, var(--rivet) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at 11px calc(100% - 11px), var(--rivet) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at calc(100% - 11px) calc(100% - 11px), var(--rivet) 0 1.6px, transparent 2.4px);
  --plate-shadow: inset 0 1px 0 rgba(255, 214, 170, 0.09), inset 0 0 0 1px rgba(0, 0, 0, 0.45), 0 24px 60px -30px #000;
  --serif: 'Cinzel', 'Noto Serif TC', Georgia, serif;
  --sans: 'Inter', 'Noto Sans TC', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --pad: clamp(16px, 4vw, 48px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
html[lang='zh-Hant'] body { --serif: 'Noto Serif TC', 'Cinzel', serif; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }
.mono { font-family: var(--mono); letter-spacing: 0.02em; }
::selection { background: var(--ember); color: #160b03; }

/* global layers */
#fx { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 60; }
.grain {
  position: fixed; inset: -50%; z-index: 59; pointer-events: none; opacity: 0.06;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1.2s steps(6) infinite;
}
@keyframes grain { 0% { transform: translate(0, 0); } 33% { transform: translate(-3%, 2%); } 66% { transform: translate(2%, -3%); } 100% { transform: translate(0, 0); } }
/* the whole page sits in the forge: warm light from below that never quite holds still */
.firelight { position: fixed; left: 0; right: 0; bottom: 0; height: 70vh; z-index: 0; pointer-events: none;
  background: radial-gradient(75% 100% at 50% 100%, rgba(255, 96, 16, 0.17), rgba(255, 70, 10, 0.05) 45%, transparent 72%);
  animation: flicker 5.2s infinite; }
@keyframes flicker { 0%, 100% { opacity: 0.85; } 9% { opacity: 0.62; } 17% { opacity: 0.95; } 31% { opacity: 0.7; } 46% { opacity: 1; } 58% { opacity: 0.74; } 71% { opacity: 0.92; } 84% { opacity: 0.66; } }
.vignette { position: fixed; inset: 0; z-index: 58; pointer-events: none; box-shadow: inset 0 0 min(16vw, 200px) rgba(0, 0, 0, 0.7); }

/* buttons */
.btn {
  --h: 48px; --cut: 12px;
  --edge: rgba(255, 190, 120, 0.34);
  --fill: rgba(20, 15, 12, 0.82);
  position: relative; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: var(--h); padding: 0 calc(20px + var(--cut)); border: 0; border-radius: 0; background: none;
  font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform 0.2s, filter 0.3s;
  -webkit-tap-highlight-color: transparent;
}
.btn::before, .btn::after {
  content: ''; position: absolute; pointer-events: none;
  clip-path: polygon(var(--cut) 0, calc(100% - var(--cut)) 0, 100% 50%, calc(100% - var(--cut)) 100%, var(--cut) 100%, 0 50%);
}
.btn::before { inset: 0; z-index: -2; background: var(--edge); }
.btn::after { inset: 1.5px; z-index: -1; background: var(--fill); }
.btn:focus-visible { outline: 2px solid var(--hot); outline-offset: 4px; }
.btn small { font-weight: 600; opacity: 0.78; font-family: var(--mono); font-size: 12px; }
.btn-sm { --h: 38px; --cut: 9px; padding: 0 calc(12px + var(--cut)); font-size: 14px; }
.btn-lg { --h: 58px; --cut: 15px; padding: 0 calc(24px + var(--cut)); font-size: 17px; }
.btn-ember {
  color: #1d0d02;
  --edge: linear-gradient(180deg, #ffe7b8, #ffa54a 45%, #a83a06);
  --fill: linear-gradient(100deg, transparent 40%, rgba(255, 255, 255, 0.55) 50%, transparent 60%) -200% 0 / 50% 100% no-repeat,
          linear-gradient(180deg, #ffc46b, var(--ember) 55%, #d9500a);
  filter: drop-shadow(0 8px 22px rgba(255, 100, 15, 0.5)) drop-shadow(0 0 2px rgba(255, 170, 80, 0.6));
}
.btn-ember::after { animation: sheen 3.8s ease-in-out infinite; }
@keyframes sheen { 0%, 55% { background-position: -200% 0, 0 0; } 100% { background-position: 300% 0, 0 0; } }
.btn-ember:hover { filter: drop-shadow(0 10px 30px rgba(255, 120, 30, 0.8)) drop-shadow(0 0 4px rgba(255, 200, 120, 0.9)) brightness(1.06); }
.btn-ember:active { transform: scale(0.97); }
.btn-ghost { color: var(--ink); }
.btn-ghost:hover { --edge: var(--ember-2); --fill: linear-gradient(180deg, rgba(70, 34, 12, 0.92), rgba(28, 16, 10, 0.92)); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* nav */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px; padding: 14px var(--pad);
  transition: background 0.3s, border-color 0.3s, padding 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled { background: rgba(7, 9, 9, 0.72); backdrop-filter: blur(14px) saturate(1.3); border-color: var(--line); padding-top: 10px; padding-bottom: 10px; }
.nav-logo img { height: 36px; width: auto; }
.nav-links { display: flex; gap: 26px; margin: 0 auto; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 14px; font-weight: 500; position: relative; padding: 4px 0; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--ember); transform: scaleX(0); transition: transform 0.25s; box-shadow: 0 0 10px var(--ember); }
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-right { display: flex; gap: 10px; align-items: center; margin-left: auto; }
.lang { background: rgba(0, 0, 0, 0.3); border: 1px solid rgba(255, 190, 120, 0.22); border-radius: 6px; height: 38px; padding: 0 14px; cursor: pointer; color: var(--ink-2); font-size: 13px; }
.lang:hover { color: var(--ink); border-color: var(--ember-2); }

/* hero */
.hero { position: relative; min-height: 100svh; display: grid; place-items: center; padding: 110px var(--pad) 80px; overflow: hidden; isolation: isolate; }
.hero-rune { position: absolute; z-index: -1; width: min(1300px, 170vw); aspect-ratio: 1; left: 50%; top: 50%; translate: -50% -50%; opacity: 0.16; animation: runebreathe 7s ease-in-out infinite; }
/* the rune sigil breathes in and out of the dark instead of sitting on top of the copy */
@keyframes runebreathe { 0%, 100% { opacity: 0.06; } 50% { opacity: 0.26; } }
.hero-rune svg { width: 100%; height: 100%; overflow: visible; }
.r-line { fill: none; stroke: var(--rune); stroke-width: 2; opacity: 0.7; }
.r-line.thin { stroke-width: 1; opacity: 0.45; }
.r-line.dash { stroke-dasharray: 3 14; stroke-width: 3; opacity: 0.6; }
.r-ticks line { stroke: var(--rune); stroke-width: 2; opacity: 0.6; }
.r-star path { fill: rgba(47, 110, 72, 0.32); stroke: #3f8f5c; stroke-width: 2; }
.r-star .small path { fill: rgba(47, 110, 72, 0.18); }
.rune-spin { animation: spin 120s linear infinite; transform-origin: 0 0; }
.rune-spin.rev { animation-duration: 80s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-glow { position: absolute; inset: 0; z-index: -1; background:
  radial-gradient(60% 50% at 70% 60%, rgba(255, 110, 20, 0.22), transparent 70%),
  radial-gradient(40% 40% at 20% 30%, rgba(60, 160, 90, 0.12), transparent 70%),
  radial-gradient(120% 80% at 50% 120%, rgba(255, 90, 10, 0.25), transparent 60%); }
.hero-inner { width: min(1240px, 100%); display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px; padding: 6px 14px; border-radius: 999px; border: 1px solid rgba(94, 227, 122, 0.3); background: rgba(47, 110, 72, 0.12); color: #b7f5c6; font-size: 13px; font-weight: 500; }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rune-glow); box-shadow: 0 0 12px var(--rune-glow); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; transform: scale(0.7); } }
.hero-mark { margin: 0 0 6px -14px; }
.hero-mark img { width: min(560px, 92%); height: auto; filter: url(#heat) drop-shadow(0 0 30px rgba(255, 120, 30, 0.35)); }
.hero-title { font-family: var(--serif); font-weight: 700; font-size: clamp(30px, 4.2vw, 56px); line-height: 1.08; margin: 0 0 18px; letter-spacing: 0.01em; }
.hero-title em, h2 em { font-style: normal; background: linear-gradient(90deg, var(--ember-2), var(--ember) 40%, #ff3d1a 80%); -webkit-background-clip: text; background-clip: text; color: transparent; text-shadow: none; filter: drop-shadow(0 0 22px rgba(255, 110, 20, 0.45)); }
.hero-sub { color: var(--ink-2); font-size: clamp(16px, 1.4vw, 18.5px); max-width: 540px; margin: 0 0 30px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; gap: clamp(20px, 4vw, 48px); margin: 40px 0 0; padding: 22px 0 0; border-top: 1px solid var(--line); }
.hero-stats div { margin: 0; }
.hero-stats dt { font-family: var(--serif); font-size: clamp(26px, 3vw, 38px); font-weight: 900; color: var(--hot); text-shadow: 0 0 24px rgba(255, 140, 40, 0.6); line-height: 1; }
.hero-stats dd { margin: 6px 0 0; color: var(--muted); font-size: 13px; }

.hero-visual { position: relative; display: grid; place-items: center; }
.trailer { position: relative; width: min(520px, 100%); aspect-ratio: 1; border-radius: 28px; transform-style: preserve-3d; }
.trailer video { position: relative; z-index: 1; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(255, 170, 90, 0.35); }
.trailer-shade { position: absolute; inset: 0; z-index: 2; border-radius: inherit; pointer-events: none; background: radial-gradient(120% 90% at 50% 40%, transparent 55%, rgba(0, 0, 0, 0.55)); }
.trailer-ring { position: absolute; inset: -14px; border-radius: 38px; z-index: 0; padding: 2px; overflow: hidden; }
.trailer-ring::before { content: ''; position: absolute; inset: -60%; background: conic-gradient(from 0deg, transparent 0 60%, var(--ember) 75%, var(--hot) 80%, var(--rune-glow) 88%, transparent 95%); animation: spin 5s linear infinite; }
.trailer-ring::after { content: ''; position: absolute; inset: 2px; border-radius: 36px; background: var(--bg); }
.trailer::after { content: ''; position: absolute; inset: -60px; z-index: -1; background: radial-gradient(closest-side, rgba(255, 110, 20, 0.45), transparent); filter: blur(30px); animation: breathe 3.2s ease-in-out infinite; }
@keyframes breathe { 50% { opacity: 0.55; transform: scale(0.94); } }
.trailer-tag { position: absolute; z-index: 3; left: 18px; bottom: 16px; font-size: 12px; color: var(--hot); padding: 5px 10px; border-radius: 6px; background: rgba(0, 0, 0, 0.55); border: 1px solid rgba(255, 160, 80, 0.4); }
.trailer-tag::before { content: ''; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #ff3b30; margin-right: 8px; box-shadow: 0 0 8px #ff3b30; animation: pulse 1.2s infinite; vertical-align: 1px; }

.scroll-cue { position: absolute; bottom: 22px; left: 50%; translate: -50% 0; width: 26px; height: 42px; border: 2px solid rgba(255, 190, 120, 0.4); border-radius: 14px; }
.scroll-cue span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--ember-2); animation: cue 1.6s ease-in-out infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* marquee */
.marquee { position: relative; overflow: hidden; border-block: 1px solid var(--line); background: linear-gradient(90deg, rgba(255, 110, 20, 0.08), rgba(47, 110, 72, 0.08)); padding: 18px 0; transform: rotate(-1.2deg) scale(1.02); }
.marquee-track { display: flex; width: max-content; gap: 28px; align-items: center; animation: marquee 34s linear infinite; font-family: var(--serif); font-weight: 700; font-size: clamp(18px, 2.2vw, 26px); text-transform: uppercase; letter-spacing: 0.06em; white-space: nowrap; }
.marquee-track i { font-style: normal; color: var(--ember); text-shadow: 0 0 14px var(--ember); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* sections */
.section { position: relative; padding: clamp(70px, 9vw, 120px) var(--pad); }
.sec-head { max-width: 900px; margin: 0 auto clamp(40px, 6vw, 70px); text-align: center; }
.kicker {
  display: inline-flex; align-items: center; gap: 14px; margin: 0 0 16px;
  font-family: var(--serif); font-weight: 700; font-size: 12.5px; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--ember-2); text-shadow: 0 0 14px rgba(255, 140, 40, 0.5);
}
.kicker::before, .kicker::after {
  content: ''; flex: none; width: clamp(28px, 6vw, 64px); height: 10px;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 64 10'><path d='M0 5h50' stroke='%23ff9a3c' stroke-opacity='.75'/><path d='M57 1l4 4-4 4-4-4z' fill='%23ffc46b'/></svg>") center / 100% 100% no-repeat;
}
.kicker::after { transform: scaleX(-1); }
.frenzy .kicker::before, .frenzy .kicker::after { filter: hue-rotate(230deg) saturate(1.4); }
h2 { font-family: var(--serif); font-weight: 700; font-size: clamp(32px, 5vw, 62px); line-height: 1.06; margin: 0 0 18px; letter-spacing: 0.005em; text-wrap: balance; }
.sec-head h2, .final h2 {
  background: linear-gradient(180deg, #fff8ec 15%, #f0d3a8 55%, #c48a52 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.55)) drop-shadow(0 0 26px rgba(255, 120, 30, 0.2));
}
.hero-title, .chart-title, .step h3, .kind-card h3 { text-wrap: balance; }
.ln { display: block; text-wrap: balance; }
.lede, .hero-sub { text-wrap: pretty; }
h3 { font-family: var(--serif); font-weight: 700; letter-spacing: 0.01em; }
.lede { color: var(--ink-2); font-size: clamp(16px, 1.35vw, 18px); margin: 0 auto; max-width: 620px; }

/* loop */
.loop-grid { width: min(1200px, 100%); margin: 0 auto; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.step { display: flex; gap: 18px; padding: 22px 24px; border-radius: var(--radius); border: 1px solid var(--iron-edge); background: var(--rivets), var(--iron); box-shadow: var(--plate-shadow); cursor: pointer; transition: border-color 0.3s, background 0.3s, transform 0.3s; position: relative; overflow: hidden; }
.step::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(var(--ember-2), var(--ember)); transform: scaleY(0); transition: transform 0.35s; box-shadow: 0 0 16px var(--ember); }
.step.is-on { border-color: rgba(255, 150, 60, 0.5); background: var(--rivets), linear-gradient(90deg, rgba(255, 110, 20, 0.16), transparent 80%), var(--iron); transform: translateX(6px); }
.step::after { content: ''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: linear-gradient(90deg, var(--ember), var(--hot)); box-shadow: 0 0 10px var(--ember); }
.step.is-on::after { animation: fuse 3.8s linear forwards; }
@keyframes fuse { to { width: 100%; } }
.step.is-on::before { transform: scaleY(1); }
.step-n { position: relative; isolation: isolate; flex: none; width: 38px; height: 38px; display: grid; place-items: center; font-family: var(--serif); font-weight: 700; font-size: 13px; color: var(--hot); }
.step-n::before, .step-n::after { content: ''; position: absolute; clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.step-n::before { inset: 0; z-index: -2; background: linear-gradient(180deg, #ffd08a, #a5420c); }
.step-n::after { inset: 1.5px; z-index: -1; background: radial-gradient(circle at 50% 35%, #4a2a16, #1a100b); }
.step.is-on .step-n::after { background: radial-gradient(circle at 50% 35%, #ff9a3c, #8a2e06); }
.step h3 { margin: 0 0 6px; font-size: 21px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }
.loop-screen { position: sticky; top: 110px; }
.screen-frame { position: relative; aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; border: 1px solid rgba(255, 170, 90, 0.3); box-shadow: 0 50px 120px -30px rgba(0, 0, 0, 0.95), 0 0 80px -30px rgba(255, 110, 20, 0.6); background: #000; }
.shot { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); transition: opacity 0.7s, transform 1.4s cubic-bezier(.2, .7, .2, 1); }
.shot.is-on { opacity: 1; transform: scale(1); }
.screen-scan { position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.025) 0 1px, transparent 1px 3px); mix-blend-mode: overlay; }
.screen-cap { text-align: right; color: var(--muted); font-size: 12px; margin: 10px 4px 0; }

/* forge demo */
.forge-panel { width: min(980px, 100%); margin: 0 auto; border-radius: 14px; padding: clamp(14px, 2.4vw, 26px); background: var(--rivets), linear-gradient(180deg, rgba(40, 27, 19, 0.95), rgba(14, 11, 9, 0.97)); border: 1px solid rgba(255, 160, 80, 0.3); box-shadow: 0 60px 140px -40px rgba(0, 0, 0, 1), 0 0 120px -50px rgba(255, 110, 20, 0.8), inset 0 1px 0 rgba(255, 210, 160, 0.12); position: relative; }
.forge-panel.shake { animation: shake 0.32s; }
.forge-panel.shake-big { animation: shake-big 0.45s; }
@keyframes shake { 20% { transform: translate(-4px, 2px); } 40% { transform: translate(4px, -2px); } 60% { transform: translate(-3px, -1px); } 80% { transform: translate(2px, 2px); } }
@keyframes shake-big { 10% { transform: translate(-9px, 4px) rotate(-0.4deg); } 30% { transform: translate(8px, -5px) rotate(0.3deg); } 50% { transform: translate(-6px, 3px); } 70% { transform: translate(5px, -2px); } 90% { transform: translate(-2px, 1px); } }
.forge-top { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.pill { display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 14px; border-radius: 6px; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--line-2); font-size: 14px; color: var(--ink-2); }
.pill b { color: var(--ink); font-weight: 600; }
.pill.gold b { font-family: var(--mono); color: var(--gold); }
.coin { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 800; color: #4a2a00; background: radial-gradient(circle at 35% 30%, #fff1a8, #ffbf3a 55%, #b77400); box-shadow: 0 0 10px rgba(255, 190, 60, 0.6); }
.kind-badge { font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.kind-badge:empty { display: none; }
.kind-badge.axe { background: rgba(160, 170, 190, 0.2); color: #dfe6f3; }
.kind-badge.branch { background: rgba(94, 227, 122, 0.18); color: #a8f5b9; }
.kind-badge.golden { background: linear-gradient(90deg, #ffe48a, #ffb72e); color: #432600; box-shadow: 0 0 14px rgba(255, 200, 60, 0.7); }
.icon-btn { margin-left: auto; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line-2); background: rgba(0, 0, 0, 0.35); display: grid; place-items: center; cursor: pointer; color: var(--ink-2); }
.icon-btn[aria-pressed='false'] .wave { opacity: 0; }
.icon-btn[aria-pressed='false'] { color: var(--muted); }

.forge-stage { position: relative; height: clamp(320px, 42vw, 440px); border-radius: 10px; overflow: hidden; background:
  radial-gradient(60% 55% at 50% 72%, rgba(255, 110, 20, calc(0.2 + var(--heat, 0) * 0.35)), transparent 70%),
  linear-gradient(180deg, rgba(8, 5, 4, 0.55), rgba(8, 5, 4, 0.15) 40%, rgba(8, 5, 4, 0.7) 76%, #0c0806 77%, #070504),
  url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='96' height='48'><rect width='96' height='48' fill='%232b1910'/><rect x='2' y='2' width='44' height='20' rx='1.5' fill='%23331d12'/><rect x='50' y='2' width='44' height='20' rx='1.5' fill='%232f1b11'/><rect x='-22' y='26' width='44' height='20' rx='1.5' fill='%23301c11'/><rect x='26' y='26' width='44' height='20' rx='1.5' fill='%23361f13'/><rect x='74' y='26' width='44' height='20' rx='1.5' fill='%23301c11'/></svg>") 0 0 / 96px 48px,
  #1a0f0a;
  border: 1px solid rgba(255, 160, 80, 0.14); box-shadow: inset 0 0 60px rgba(0, 0, 0, 0.8); user-select: none; -webkit-user-select: none; touch-action: manipulation; cursor: pointer; }
/* firelight from the forge mouth (left) and the coals under the anvil */
.forge-stage::before { content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(38% 55% at 4% 48%, rgba(255, 130, 30, 0.42), transparent 70%), radial-gradient(45% 26% at 50% 100%, rgba(255, 90, 10, 0.3), transparent 75%);
  animation: flicker 3.4s infinite; }
.forge-stage.frenzy { box-shadow: inset 0 0 0 2px var(--t-great), inset 0 0 80px rgba(199, 125, 255, 0.45); }
.forge-stage.flash::after { content: ''; position: absolute; inset: 0; background: radial-gradient(closest-side at 50% 62%, rgba(255, 250, 230, 0.95), rgba(255, 180, 80, 0.4) 50%, transparent); animation: flash 0.5s ease-out forwards; pointer-events: none; z-index: 5; }
@keyframes flash { from { opacity: 1; } to { opacity: 0; } }
#fSparks { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 4; pointer-events: none; }
.anvil { position: absolute; left: 50%; bottom: -6px; width: min(620px, 96%); translate: -50% 0; z-index: 2; overflow: visible; }
.anvil > path:first-of-type { filter: drop-shadow(0 -6px 30px rgba(255, 100, 20, 0.15)); }
.anvil .anvil-heat { opacity: calc(0.3 + var(--heat, 0) * 0.7); transition: opacity 0.4s; mix-blend-mode: screen; }
.anvil .cracks { stroke: #ff9a3c; filter: drop-shadow(0 0 4px #ff7a1a); animation: crackglow 2.4s ease-in-out infinite; }
@keyframes crackglow { 50% { opacity: 0.45; } }
.anvil .blade { transform-box: fill-box; transform-origin: 50% 100%; transition: opacity 0.2s; }
.anvil .blade.pop { animation: bladepop 0.35s cubic-bezier(.3, 1.6, .5, 1); }
@keyframes bladepop { 30% { transform: scale(1.05) translateY(-8px); } }
.anvil .blade.hidden { opacity: 0; }
.hammer { position: absolute; z-index: 3; width: clamp(80px, 13vw, 130px); right: 25%; top: 6%; transform-origin: 50% 96%; transform: rotate(28deg); transition: transform 0.25s cubic-bezier(.2, .8, .3, 1.2); filter: drop-shadow(0 0 12px rgba(255, 140, 40, 0.5)); }
.hammer.hit { animation: hammer 0.28s cubic-bezier(.6, 0, .4, 1); }
@keyframes hammer { 0% { transform: rotate(28deg); } 45% { transform: rotate(-38deg) translate(-10px, 26px); } 100% { transform: rotate(28deg); } }
.stage-level { position: absolute; left: 20px; top: 16px; z-index: 6; }
.lvl { display: block; font-family: var(--serif); font-weight: 900; font-size: clamp(46px, 7vw, 76px); line-height: 1; color: var(--hot); text-shadow: 0 0 30px rgba(255, 140, 40, 0.8), 0 0 4px rgba(255, 220, 160, 0.8); transition: color 0.3s; }
.lvl.bump { animation: bump 0.4s cubic-bezier(.3, 1.8, .5, 1); }
@keyframes bump { 40% { transform: scale(1.25); } }
.val { display: block; color: var(--ink-2); font-size: 13px; margin-top: 4px; }
.val b { font-family: var(--mono); color: var(--gold); }
.risk { --r: 0; display: block; margin-top: 4px; color: var(--ink-2); font-size: 13px; }
.risk b { font-family: var(--mono); color: color-mix(in srgb, var(--t-shatter) calc(var(--r) * 100%), var(--ink)); text-shadow: 0 0 calc(var(--r) * 18px) rgba(255, 60, 60, 0.95); transition: color 0.3s; }
.risk.safe b { color: var(--t-hold); }
.combo { position: absolute; right: 18px; top: 18px; z-index: 6; text-align: center; font-family: var(--serif); color: #e8c6ff; text-shadow: 0 0 16px var(--t-great); opacity: 0; transform: scale(0.6); transition: opacity 0.2s, transform 0.25s cubic-bezier(.3, 1.8, .5, 1); }
.combo.on { opacity: 1; transform: scale(1); }
.combo small { display: block; font-size: 12px; letter-spacing: 0.2em; }
.combo b { font-size: 40px; line-height: 1; }
.combo.s2 b { font-size: 52px; } .combo.s3 b { font-size: 64px; color: #fff; }
.result { position: absolute; left: 50%; top: 30%; translate: -50% 0; z-index: 6; font-family: var(--serif); font-weight: 900; font-size: clamp(26px, 4.4vw, 46px); letter-spacing: 0.04em; white-space: nowrap; pointer-events: none; opacity: 0; }
.result.show { animation: result 1.1s ease-out forwards; }
@keyframes result { 0% { opacity: 0; transform: translateY(14px) scale(0.7); } 15% { opacity: 1; transform: translateY(0) scale(1.08); } 30% { transform: scale(1); } 75% { opacity: 1; } 100% { opacity: 0; transform: translateY(-20px); } }
.frenzy-flash { position: absolute; inset: 0; z-index: 7; display: grid; place-items: center; font-family: var(--serif); font-weight: 900; font-size: clamp(44px, 9vw, 96px); letter-spacing: 0.12em; color: #fff; text-shadow: 0 0 30px var(--t-great), 0 0 60px var(--t-great); opacity: 0; pointer-events: none; }
.frenzy-flash.show { animation: ff 0.9s ease-out forwards; }
@keyframes ff { 0% { opacity: 0; transform: scale(2); } 25% { opacity: 1; transform: scale(1); } 70% { opacity: 1; } 100% { opacity: 0; transform: scale(0.9); } }
.shards { position: absolute; inset: 0; z-index: 5; pointer-events: none; }
.shard { position: absolute; background: linear-gradient(135deg, #fff3d0, #ff8a2a); clip-path: polygon(0 40%, 60% 0, 100% 60%, 30% 100%); box-shadow: 0 0 10px #ff7a1a; animation: shard 1.1s cubic-bezier(.2, .6, .4, 1) forwards; }
@keyframes shard { to { transform: translate(var(--dx), var(--dy)) rotate(var(--r)); opacity: 0; } }

.odds-row { margin: 16px 2px 6px; }
.odds-bar { display: flex; gap: 2px; height: 12px; border-radius: 3px; overflow: hidden; background: rgba(255, 255, 255, 0.04); }
.odds-bar span { height: 100%; transition: flex-grow 0.5s cubic-bezier(.3, .9, .3, 1); min-width: 0; }
.odds-bar span:first-child { border-radius: 4px 0 0 4px; } .odds-bar span:last-child { border-radius: 0 4px 4px 0; }
.odds-legend { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin: 10px 0 0; padding: 0; }
.odds-legend li { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: var(--ink-2); }
.odds-legend li span:first-child::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 2px; background: var(--c); margin-right: 6px; vertical-align: 0; }
.odds-legend b { font-family: var(--mono); font-size: 15px; color: var(--ink); }
.odds-legend .delta { font-family: var(--mono); color: var(--muted); font-size: 11px; }

.frenzy-row { display: flex; align-items: center; gap: 14px; margin: 14px 2px; flex-wrap: wrap; }
.frenzy-label { font-size: 12px; color: var(--ink-2); min-width: 92px; }
.frenzy-label b { color: #e8c6ff; }
.pips { display: flex; gap: 4px; }
.pips i { width: 16px; height: 8px; border-radius: 2px; background: rgba(255, 255, 255, 0.08); transition: background 0.2s, box-shadow 0.2s; }
.pips i.on { background: var(--t-great); box-shadow: 0 0 8px var(--t-great); }
.pips.full i { animation: pipglow 0.6s ease-in-out infinite alternate; }
@keyframes pipglow { to { background: #fff; } }
.frenzy-timer { flex: 1; min-width: 120px; height: 6px; border-radius: 3px; background: rgba(255, 255, 255, 0.06); overflow: hidden; opacity: 0.25; }
.frenzy-timer.on { opacity: 1; }
.frenzy-timer span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--t-great), #fff); box-shadow: 0 0 10px var(--t-great); }

.forge-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
.btn-strike { --h: 64px; --cut: 18px; flex: 1 1 260px; font-size: 19px; letter-spacing: 0.04em; touch-action: manipulation; -webkit-touch-callout: none; -webkit-user-select: none; user-select: none; }
.btn-strike .k { font-size: 11px; padding: 3px 7px; border-radius: 5px; background: rgba(0, 0, 0, 0.18); }
.forge-actions .btn-ghost { flex: 1 1 200px; --h: 64px; --cut: 18px; }
.forge-foot { display: flex; justify-content: space-between; gap: 14px; align-items: center; margin-top: 14px; flex-wrap: wrap; }
.history { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
.history li { font-family: var(--mono); font-size: 12px; padding: 3px 9px; border-radius: 4px; border: 1px solid color-mix(in srgb, var(--c) 50%, transparent); color: var(--c); background: color-mix(in srgb, var(--c) 12%, transparent); animation: chipin 0.3s ease-out; }
@keyframes chipin { from { opacity: 0; transform: translateY(6px); } }
.forge-note { margin: 0; color: var(--muted); font-size: 12.5px; }

/* chart */
.chart-card { width: min(1000px, 100%); margin: 0 auto; padding: clamp(18px, 3vw, 32px); border-radius: var(--radius); background: var(--rivets), var(--iron); border: 1px solid var(--iron-edge); box-shadow: var(--plate-shadow); }
.chart-top { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; flex-wrap: wrap; margin-bottom: 18px; }
.chart-title { margin: 0; font-size: 20px; }
.chart-sub { margin: 6px 0 0; color: var(--ink-2); font-size: 13px; min-height: 1.6em; }
.seg { display: inline-flex; padding: 4px; border-radius: 8px; background: rgba(0, 0, 0, 0.4); border: 1px solid var(--line-2); flex-wrap: wrap; }
.seg button { border: 0; background: none; cursor: pointer; padding: 8px 14px; border-radius: 5px; font-size: 13px; color: var(--ink-2); transition: background 0.2s, color 0.2s; }
.seg button[aria-selected='true'] { background: linear-gradient(180deg, #ffb35a, var(--ember)); color: #1d0d02; font-weight: 600; }
.chart-wrap { position: relative; }
#chart { width: 100%; height: auto; display: block; overflow: visible; touch-action: pan-y; }
#chart .grid line { stroke: rgba(255, 255, 255, 0.06); }
#chart .axis text { fill: var(--muted); font: 500 12px var(--mono); }
#chart .area { fill: url(#areaGrad); }
#chart .line { fill: none; stroke: var(--ember); stroke-width: 2.5; stroke-linejoin: round; filter: drop-shadow(0 0 6px rgba(255, 122, 26, 0.7)); }
#chart .cross { stroke: rgba(255, 255, 255, 0.35); stroke-dasharray: 3 4; }
#chart .dot { fill: var(--hot); stroke: var(--bg); stroke-width: 3; }
#chart .anno text { fill: var(--ink-2); font: 500 12px var(--mono); }
.tip { position: absolute; pointer-events: none; padding: 10px 12px; border-radius: 10px; background: rgba(10, 8, 7, 0.94); border: 1px solid var(--line); font-size: 12.5px; line-height: 1.5; opacity: 0; transition: opacity 0.15s; white-space: nowrap; transform: translate(-50%, calc(-100% - 14px)); }
.tip.on { opacity: 1; }
.tip b { font-family: var(--serif); font-size: 16px; color: var(--hot); }
.tip .mono { color: var(--ink-2); }
.chart-table { margin-top: 16px; color: var(--ink-2); font-size: 14px; }
.chart-table summary { cursor: pointer; color: var(--ink-2); }
.table-scroll { overflow-x: auto; margin-top: 10px; }
.chart-table table { border-collapse: collapse; font-family: var(--mono); font-size: 12.5px; width: 100%; }
.chart-table th, .chart-table td { padding: 6px 10px; text-align: right; border-bottom: 1px solid var(--line-2); white-space: nowrap; }
.chart-table th:first-child, .chart-table td:first-child { text-align: left; }

/* kinds */
.kind-grid { width: min(1200px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.kind-card { --rc: 255, 140, 50; position: relative; padding: 24px 22px 22px; border-radius: var(--radius); background: var(--rivets), radial-gradient(90% 50% at 50% 22%, rgba(var(--rc), 0.13), transparent 70%), var(--iron); border: 1px solid rgba(var(--rc), 0.3); box-shadow: var(--plate-shadow); transform-style: preserve-3d; overflow: hidden; }
.kind-card[data-kind='axe'] { --rc: 150, 185, 255; }
.kind-card[data-kind='branch'] { --rc: 94, 227, 122; }
.kind-card[data-kind='golden'] { --rc: 255, 210, 90; }
.kind-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(255, 140, 50, 0.16), transparent 40%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.kind-card:hover::before { opacity: 1; }
.kind-art { position: relative; height: 200px; display: grid; place-items: center; margin-bottom: 10px; }
.kind-art::before { content: ''; position: absolute; left: 50%; bottom: 0; width: 130px; height: 24px; translate: -50% 0; border-radius: 50%; background: radial-gradient(closest-side, rgba(var(--rc), 0.6), transparent); filter: blur(3px); }
.kind-art::after { content: ''; position: absolute; left: 50%; top: 50%; width: 170px; height: 170px; translate: -50% -50%; border-radius: 50%; border: 1px dashed rgba(var(--rc), 0.28); box-shadow: inset 0 0 40px rgba(var(--rc), 0.08); animation: spin 40s linear infinite; }
.kind-art svg { position: relative; z-index: 1; height: 210px; width: 64px; overflow: visible; filter: drop-shadow(0 0 18px rgba(255, 120, 30, 0.35)); transition: transform 0.5s cubic-bezier(.3, 1.4, .5, 1); }
.kind-card:hover .kind-art svg { transform: translateY(-6px) rotate(-4deg) scale(1.05); }
.kind-chance { position: absolute; z-index: 2; top: 16px; right: 16px; margin: 0; padding: 3px 9px; border-radius: 4px; font-size: 13px; font-weight: 700; color: rgb(var(--rc)); background: rgba(var(--rc), 0.12); border: 1px solid rgba(var(--rc), 0.45); }
.kind-card h3 { margin: 0 0 8px; font-size: 22px; }
.kind-card p { margin: 0 0 16px; color: var(--ink-2); font-size: 14.5px; }
.kind-stats { list-style: none; padding: 12px 0 0; margin: 0; display: flex; gap: 18px; border-top: 1px solid var(--line-2); font-size: 12px; color: var(--muted); }
.kind-stats li { display: flex; gap: 8px; }
.kind-stats b { color: var(--ink); }
.kind-card.golden { border-color: rgba(255, 210, 100, 0.6); background: var(--rivets), radial-gradient(90% 50% at 50% 22%, rgba(255, 210, 90, 0.2), transparent 70%), linear-gradient(180deg, rgba(60, 44, 14, 0.92), rgba(20, 15, 8, 0.96)); box-shadow: 0 0 60px -20px rgba(255, 200, 60, 0.6); }
.kind-card.golden::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(115deg, transparent 35%, rgba(255, 240, 180, 0.22) 50%, transparent 65%); background-size: 250% 100%; animation: goldsheen 3.5s linear infinite; }
@keyframes goldsheen { from { background-position: 150% 0; } to { background-position: -100% 0; } }
.kind-card.golden h3 { color: var(--gold); text-shadow: 0 0 18px rgba(255, 200, 60, 0.6); }
.kind-card.golden .kind-chance { color: var(--gold); }

/* frenzy */
.frenzy { overflow: hidden; }
.frenzy::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 60% at 70% 50%, rgba(199, 125, 255, 0.16), transparent 70%); pointer-events: none; }
.frenzy-inner { width: min(1200px, 100%); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.frenzy-shot { width: 100%; border-radius: 12px; border: 1px solid rgba(199, 125, 255, 0.35); box-shadow: 0 0 100px -30px rgba(199, 125, 255, 0.7), 0 40px 100px -30px #000; aspect-ratio: 16 / 10; object-fit: cover; }
.frenzy-word { display: flex; font-size: clamp(54px, 9vw, 120px); font-weight: 900; letter-spacing: 0.04em; margin: 0 0 12px; color: #fff; }
.frenzy-word span { display: inline-block; text-shadow: 0 0 24px var(--t-great), 0 0 60px rgba(199, 125, 255, 0.6); animation: jitter 2.2s ease-in-out infinite; }
.frenzy-word span:nth-child(2n) { animation-delay: -0.4s; } .frenzy-word span:nth-child(3n) { animation-delay: -1.1s; }
@keyframes jitter { 0%, 100% { transform: translateY(0); } 8% { transform: translateY(-6px) rotate(-3deg); } 16% { transform: translateY(2px) rotate(2deg); } 24% { transform: translateY(0); } }
.frenzy .lede { margin: 0; }
.frenzy-facts { list-style: none; padding: 0; margin: 28px 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.frenzy-facts li { padding: 14px 16px; border-radius: 8px; border: 1px solid rgba(199, 125, 255, 0.25); background: rgba(199, 125, 255, 0.06); }
.frenzy-facts b { display: block; font-family: var(--serif); font-weight: 900; font-size: 26px; color: #efdcff; text-shadow: 0 0 16px rgba(199, 125, 255, 0.7); }
.frenzy-facts span { color: var(--ink-2); font-size: 13px; }

/* clocks */
.clock-grid { width: min(1100px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.clock { padding: 26px; border-radius: var(--radius); background: var(--rivets), var(--iron); border: 1px solid var(--iron-edge); box-shadow: var(--plate-shadow); position: relative; overflow: hidden; }
.clock::after { content: ''; position: absolute; right: -40px; top: -40px; width: 140px; height: 140px; border-radius: 50%; border: 1px dashed rgba(94, 227, 122, 0.25); animation: spin 30s linear infinite; }
.clock-label { margin: 0; color: var(--ember-2); font-size: 13px; font-weight: 600; letter-spacing: 0.02em; }
.clock-time { margin: 10px 0 12px; white-space: nowrap; font-size: clamp(30px, 3.4vw, 44px); font-weight: 700; color: var(--hot); text-shadow: 0 0 22px rgba(255, 140, 40, 0.5); font-variant-numeric: tabular-nums; line-height: 1.1; }
.clock-note { margin: 0; color: var(--ink-2); font-size: 14px; }
.clock-time small { font-size: 0.55em; color: var(--ember-2); margin-right: 0.15em; }

/* boards */
.board-grid { width: min(1200px, 100%); margin: 0 auto; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.board { padding: 24px 20px; border-radius: var(--radius); border: 1px solid var(--iron-edge); background: var(--rivets), var(--iron); box-shadow: var(--plate-shadow); transition: border-color 0.3s; }
.board:hover { border-color: rgba(255, 160, 80, 0.4); }
.board-ico { position: relative; isolation: isolate; width: 54px; height: 54px; display: grid; place-items: center; margin: 2px 0 16px -4px; color: var(--ember-2); }
.board-ico::before, .board-ico::after { content: ''; position: absolute; clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.board-ico::before { inset: 0; z-index: -2; background: linear-gradient(180deg, #ffc983, #8a3608); }
.board-ico::after { inset: 1.5px; z-index: -1; background: radial-gradient(circle at 50% 40%, #3d2414, #140c08); }
.board-ico svg { filter: drop-shadow(0 0 6px rgba(255, 140, 40, 0.75)); }
.board.gold .board-ico { color: var(--gold); }
.board.gold .board-ico::before { background: linear-gradient(180deg, #fff0a8, #a87400); }
.board h3 { margin: 0 0 6px; font-size: 19px; }
.board p { margin: 0; color: var(--ink-2); font-size: 14px; }
.board.gold { border-color: rgba(255, 210, 100, 0.4); }
.board.gold h3 { color: var(--gold); }

/* final */
.final { position: relative; padding: clamp(90px, 12vw, 160px) var(--pad); overflow: hidden; isolation: isolate; }
.final-bg { position: absolute; inset: 0; z-index: -1; }
.final-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.42; filter: blur(3px) saturate(1.15); transform: scale(1.04); }
.final-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(var(--bg), transparent 30%, transparent 70%, var(--bg)), linear-gradient(90deg, transparent 30%, rgba(7, 9, 9, 0.55) 60%), radial-gradient(70% 60% at 50% 50%, transparent, var(--bg)); }
.final-inner { width: min(1100px, 100%); margin: 0 auto; display: grid; grid-template-columns: 0.8fr 1.2fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.final-mascot { width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 14px; box-shadow: 0 0 0 1px rgba(255, 170, 90, 0.35), 0 0 120px -20px rgba(255, 110, 20, 0.7); animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-12px); } }
.final .lede { margin: 0 0 28px; }
.final-hint { color: var(--muted); font-size: 12.5px; margin: 20px 0 0; }

.footer { text-align: center; padding: 50px var(--pad) 60px; border-top: 1px solid var(--line); color: var(--muted); }
.footer img { height: 46px; width: auto; margin: 0 auto 12px; opacity: 0.85; }
.footer p { margin: 4px 0; font-size: 14px; }
.foot-small { font-size: 12px; }
.footer a { color: var(--ink-2); }

/* reveal */
.reveal { opacity: 0; transform: translateY(28px); filter: blur(6px); transition: opacity 0.9s cubic-bezier(.2, .7, .2, 1), transform 0.9s cubic-bezier(.2, .7, .2, 1), filter 0.9s; transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; filter: none; }
.tilt { transition: transform 0.4s cubic-bezier(.2, .7, .2, 1); will-change: transform; }

/* responsive */
@media (max-width: 1060px) {
  .kind-grid { grid-template-columns: repeat(2, 1fr); }
  .board-grid { grid-template-columns: repeat(3, 1fr); }
  .nav-links { gap: 20px; }
}
@media (max-width: 900px) {
  .nav-links { display: none; }
}
@media (max-width: 860px) {
  .hero-inner, .loop-grid, .frenzy-inner, .final-inner { grid-template-columns: 1fr; }
  .hero { padding-top: 96px; }
  .hero-copy { text-align: center; }
  .hero-mark { margin-left: 0; } .hero-mark img { margin: 0 auto; }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-ctas, .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .trailer { width: min(320px, 70vw); }
  .hero-mark img { width: min(420px, 86%); }
  .loop-screen { position: relative; top: 0; order: -1; }
  .clock-grid { grid-template-columns: 1fr; }
  .final-mascot { width: min(320px, 80%); margin: 0 auto; }
  .final-inner { text-align: center; }
  .final .hero-ctas { justify-content: center; }
  .final .lede { margin-left: auto; margin-right: auto; }
}
@media (max-width: 560px) {
  .kind-grid { grid-template-columns: 1fr; }
  .board-grid { grid-template-columns: 1fr 1fr; }
  .board { padding: 18px 16px; }
  .board:last-child { grid-column: 1 / -1; }
  .kicker { gap: 10px; font-size: 11.5px; letter-spacing: 0.16em; }
  .kicker::before, .kicker::after { width: 22px; }
  .odds-legend { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 4px; }
  .odds-legend li { font-size: 11.5px; }
  .odds-legend li span:first-child::before { width: 6px; height: 6px; margin-right: 4px; }
  .odds-legend b { font-size: 14px; }
  .odds-legend .delta { font-size: 11.5px; }
  /* blades become a swipeable rack instead of a 1,900px column */
  .kind-grid { display: flex; width: auto; gap: 12px; margin: 0 calc(var(--pad) * -1); padding: 6px var(--pad) 18px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
  .kind-grid::-webkit-scrollbar { display: none; }
  .kind-card { flex: 0 0 80%; scroll-snap-align: center; }
  .kind-art { height: 170px; }
  .kind-art svg { height: 180px; }
  .lvl { font-size: 44px; }
  .forge-actions .btn-ghost, .btn-strike { --h: 58px; }
  .hero-stats { gap: 18px; }
  .btn-lg { --h: 54px; padding: 0 22px; font-size: 16px; }
  .nav .btn-sm { padding: 0 18px; }
  .nav-logo img { height: 30px; }
  .stage-level { left: 14px; top: 12px; }
}

/* touch screens have no Space key */
@media (hover: none) and (pointer: coarse) {
  .btn-strike .k { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001s !important; animation-iteration-count: 1 !important; transition-duration: 0.001s !important; }
  .reveal { opacity: 1; transform: none; filter: none; }
  .hero-rune { animation: none; opacity: 0.14; }
  .hero-mark img { filter: drop-shadow(0 0 30px rgba(255, 120, 30, 0.35)); }
}

/* ---- forge stage art: the game's own weapons, hammer and anvil, pre-rendered (see README) ---- */
.forge-stage.baked { background: #0b0705; }
.forge-stage.baked .val, .forge-stage.baked .risk { text-shadow: 0 1px 2px #000, 0 0 10px rgba(0, 0, 0, 0.9); }
.forge-stage.baked::before, .forge-stage.baked .anvil, .forge-stage.baked .hammer { display: none; }

.forge-stage .spr { position: absolute; left: 0; top: 0; width: 100%; height: 100%; pointer-events: none; user-select: none; max-width: none; }
.forge-stage .spr-bg { -webkit-mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent); }
.forge-stage .spr-bg { z-index: 0; }
.forge-stage .spr-weapon { z-index: 1; transform-origin: 52% 58%; }
.forge-stage .spr-glow { z-index: 1; mix-blend-mode: screen; transform-origin: 52% 58%; }
.forge-stage .spr-hammer-cv { position: absolute; z-index: 3; pointer-events: none; }
.spr.enter { animation: spr-enter 0.4s cubic-bezier(.3, 1.5, .5, 1); }
@keyframes spr-enter { from { transform: translateY(-14%); opacity: 0; } 60% { opacity: 1; } }
.spr.pop { animation: spr-pop 0.35s cubic-bezier(.3, 1.6, .5, 1); }
@keyframes spr-pop { 40% { transform: scale(1.025); filter: brightness(1.5); } }
.spr.hot { animation: spr-hot 0.5s ease-out; }
@keyframes spr-hot { 0% { filter: brightness(1.9) saturate(0.8); } 100% { filter: none; } }
.spr.lift { animation: spr-lift 0.4s ease-in forwards; }
@keyframes spr-lift { to { transform: translateY(-8%) scale(0.6); opacity: 0; } }
.spr.shatter { animation: spr-shatter 0.35s ease-out forwards; }
@keyframes spr-shatter { 0% { filter: brightness(2.2); } 100% { transform: scale(1.06); filter: brightness(2.5) blur(6px); opacity: 0; } }
/* blade cards: the game's +20 forms, lit for a showcase */
.kind-grid.baked .kind-art { height: 236px; }
.kind-stack { position: relative; z-index: 1; height: 262px; aspect-ratio: 360 / 480; margin-top: -14px; animation: relic 5.5s ease-in-out infinite; transition: transform 0.5s cubic-bezier(.2, .8, .3, 1.2); }
.kind-card:nth-child(2) .kind-stack { animation-delay: -1.4s; } .kind-card:nth-child(3) .kind-stack { animation-delay: -2.8s; } .kind-card:nth-child(4) .kind-stack { animation-delay: -4.1s; }
@keyframes relic { 50% { translate: 0 -7px; } }
.kind-stack img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.kind-stack .base { filter: drop-shadow(0 10px 14px rgba(0, 0, 0, 0.7)); }
/* the glow layer carries its own alpha (brightness as opacity), so it needs no blend mode */
.kind-stack .glow { opacity: 0.9; transition: opacity 0.4s, filter 0.4s; }
.kind-card:hover .kind-stack { transform: translateY(-6px) scale(1.05); }
.kind-card:hover .kind-stack .glow { opacity: 1; filter: brightness(1.35); }
.kind-card:hover .kind-art::before { opacity: 1; filter: blur(2px) brightness(1.4); }
.kind-embers { position: absolute; inset: 10% 18% 6%; z-index: 0; pointer-events: none; }
.kind-embers i { position: absolute; left: var(--x); bottom: 0; width: var(--s); height: var(--s); border-radius: 50%; background: rgb(var(--rc)); box-shadow: 0 0 6px rgb(var(--rc)), 0 0 12px rgba(var(--rc), 0.6); opacity: 0; animation: ember-rise var(--t) ease-out var(--d) infinite; }
@keyframes ember-rise { 0% { opacity: 0; transform: translate(0, 0); } 15% { opacity: 0.9; } 100% { opacity: 0; transform: translate(10px, -190px); } }
.kind-card:hover .kind-embers i { animation-duration: calc(var(--t) * 0.6); }
@media (max-width: 560px) { .kind-grid.baked .kind-art { height: 200px; } .kind-stack { height: 222px; } }
@media (prefers-reduced-motion: reduce) { .kind-stack, .kind-embers i { animation: none; } }