/* ========================================================================== */
/* Zhino Future widgets — 3D / WebGL / canvas scenes                          */
/* ========================================================================== */

.zf {
	--zf-a: var(--zh-brand, #7c6cff);
	--zf-b: #22d3ee;
	--zf-c: #f472b6;
	--zf-h: 560px;
	--zf-radius: 28px;
	--zf-bg: #060714;
	--zf-ink: #f4f5ff;
	--zf-ink-2: rgba(222, 226, 255, .72);
	--zf-line: rgba(255, 255, 255, .1);
	--zf-glass: rgba(255, 255, 255, .055);
	--zf-glass-2: rgba(255, 255, 255, .09);
	--zf-solid: var(--zf-bg);
	position: relative;
	isolation: isolate;
	width: 100%;
	min-height: var(--zf-h);
	padding: clamp(24px, 4.2vw, 64px);
	border-radius: var(--zf-radius);
	color: var(--zf-ink);
	background: var(--zf-bg);
	background:
		radial-gradient(1200px 600px at 85% -10%, color-mix(in srgb, var(--zf-a) 26%, transparent), transparent 60%),
		radial-gradient(900px 500px at -10% 110%, color-mix(in srgb, var(--zf-b) 18%, transparent), transparent 60%),
		var(--zf-bg);
	overflow: hidden;
	font-family: var(--zh-font, inherit);
	box-shadow: 0 40px 120px -60px color-mix(in srgb, var(--zf-a) 60%, transparent);
}
.zf::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	border-radius: inherit;
	border: 1px solid var(--zf-line);
	background: linear-gradient(180deg, rgba(255,255,255,.04), transparent 30%);
}
.zf-surface-light {
	--zf-bg: #f6f7ff;
	--zf-ink: #12132e;
	--zf-ink-2: #4a4e72;
	--zf-line: rgba(18, 19, 46, .1);
	--zf-glass: rgba(255, 255, 255, .72);
	--zf-glass-2: rgba(255, 255, 255, .9);
	box-shadow: 0 30px 90px -60px rgba(40, 30, 140, .45);
}
.zf-surface-auto {
	--zf-bg: var(--zh-surface, #ffffff);
	--zf-ink: var(--zh-ink, #16133a);
	--zf-ink-2: var(--zh-ink-2, #4b4870);
	--zf-line: var(--zh-line, #e3e0f2);
	--zf-glass: color-mix(in srgb, var(--zh-surface, #fff) 74%, transparent);
	--zf-glass-2: color-mix(in srgb, var(--zh-surface, #fff) 92%, var(--zf-a));
	--zf-solid: var(--zh-surface, #ffffff);
	box-shadow: 0 30px 90px -60px color-mix(in srgb, var(--zf-a) 55%, transparent);
}
.zf-surface-transparent {
	--zf-ink: var(--zh-ink, #12132e);
	--zf-ink-2: var(--zh-ink-2, #4a4e72);
	--zf-line: var(--zh-line, rgba(0,0,0,.08));
	--zf-glass: color-mix(in srgb, var(--zh-surface, #fff) 70%, transparent);
	--zf-glass-2: var(--zh-surface, #fff);
	--zf-solid: var(--zh-surface, #fff);
	background: transparent;
	box-shadow: none;
}
.zf-surface-transparent::after { border-color: transparent; background: none; }

.zf * { box-sizing: border-box; }
.zf-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.zf-stage { position: relative; z-index: 2; height: 100%; }
.zf-sr { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

/* Entry reveal */
.zf .zf-copy > * { opacity: 0; transform: translateY(18px); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); }
.zf.is-in .zf-copy > * { opacity: 1; transform: none; }
.zf.is-in .zf-copy > *:nth-child(2) { transition-delay: .08s; }
.zf.is-in .zf-copy > *:nth-child(3) { transition-delay: .16s; }
.zf.is-in .zf-copy > *:nth-child(4) { transition-delay: .24s; }
.zf.is-in .zf-copy > *:nth-child(5) { transition-delay: .32s; }

/* Copy block */
.zf-copy { position: relative; max-width: 640px; }
.zf-eyebrow {
	display: inline-flex; align-items: center; gap: 9px;
	padding: 7px 14px 7px 12px; margin-bottom: 18px;
	border: 1px solid color-mix(in srgb, var(--zf-a) 40%, var(--zf-line));
	border-radius: 999px;
	background: color-mix(in srgb, var(--zf-a) 12%, var(--zf-glass));
	color: var(--zf-ink); font-size: 12.5px; font-weight: 700;
	backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.zf-eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--zf-b); box-shadow: 0 0 0 0 var(--zf-b); animation: zf-ping 2.2s infinite; }
@keyframes zf-ping { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--zf-b) 70%, transparent); } 70%, 100% { box-shadow: 0 0 0 10px transparent; } }
.zf-title {
	margin: 0 0 16px; color: var(--zf-ink);
	font-size: clamp(30px, 4.6vw, 60px); line-height: 1.22; font-weight: 900;
	text-wrap: balance;
}
.zf-glow {
	background: linear-gradient(100deg, var(--zf-a), var(--zf-b) 45%, var(--zf-c) 80%, var(--zf-a));
	background-size: 220% 100%;
	-webkit-background-clip: text; background-clip: text;
	color: transparent; -webkit-text-fill-color: transparent;
	animation: zf-shimmer 7s linear infinite;
	filter: drop-shadow(0 6px 26px color-mix(in srgb, var(--zf-a) 45%, transparent));
}
@keyframes zf-shimmer { to { background-position: -220% 0; } }
.zf-text { margin: 0 0 26px; color: var(--zf-ink-2); font-size: clamp(14px, 1.35vw, 17px); line-height: 2; max-width: 560px; }
.zf-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.zf-btn {
	position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
	min-height: 50px; padding: 0 24px; border-radius: 16px;
	font-weight: 800; font-size: 14.5px; text-decoration: none; cursor: pointer;
	transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.zf-btn svg { flex: none; transition: transform .25s ease; }
.zf-btn:hover svg { transform: translateX(-4px); }
.zf-btn-primary {
	color: #fff;
	background: linear-gradient(120deg, var(--zf-a), color-mix(in srgb, var(--zf-a) 55%, var(--zf-b)));
	box-shadow: 0 14px 40px -12px color-mix(in srgb, var(--zf-a) 75%, transparent), inset 0 1px 0 rgba(255,255,255,.3);
}
.zf-btn-primary::after { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.35), transparent 70%); background-size: 250% 100%; background-position: 150% 0; transition: background-position .8s ease; }
.zf-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 50px -12px color-mix(in srgb, var(--zf-a) 90%, transparent), inset 0 1px 0 rgba(255,255,255,.3); color: #fff; }
.zf-btn-primary:hover::after { background-position: -50% 0; }
.zf-btn-ghost { color: var(--zf-ink); border: 1px solid var(--zf-line); background: var(--zf-glass); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.zf-btn-ghost:hover { color: var(--zf-ink); background: var(--zf-glass-2); transform: translateY(-2px); }
.zf-btn:focus-visible, .zf-nav:focus-visible, .zf-carousel:focus-visible { outline: 2px solid var(--zf-b); outline-offset: 3px; }
.zf-empty { display: flex; align-items: center; gap: 10px; padding: 18px 20px; border: 1px dashed var(--zf-line); border-radius: 18px; color: var(--zf-ink-2); background: var(--zf-glass); }

/* ========================================================= 1. Neural sphere */
.zf-neural-sphere .zf-stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); align-items: center; gap: clamp(20px, 4vw, 60px); min-height: calc(var(--zf-h) - 2 * clamp(24px, 4.2vw, 64px)); }
.zf-visual { position: relative; width: 100%; aspect-ratio: 1; max-height: calc(var(--zf-h) - 40px); margin-inline: auto; cursor: grab; touch-action: pan-y; user-select: none; }
.zf-visual.is-drag { cursor: grabbing; }
.zf-sphere-labels { position: absolute; inset: 0; pointer-events: none; }
.zf-sphere-label {
	position: absolute; left: 0; top: 0; white-space: nowrap;
	padding: 5px 11px; border-radius: 999px; font-size: 12px; font-weight: 800;
	color: var(--zf-ink); background: color-mix(in srgb, var(--zf-bg) 55%, transparent);
	border: 1px solid color-mix(in srgb, var(--zf-b) 45%, transparent);
	box-shadow: 0 0 22px -4px color-mix(in srgb, var(--zf-b) 60%, transparent);
	backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
	opacity: 0; will-change: transform, opacity;
}
.zf-hint { position: absolute; inset-inline: 0; bottom: 4%; margin: auto; width: max-content; display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--zf-ink-2); padding: 6px 12px; border-radius: 999px; background: var(--zf-glass); border: 1px solid var(--zf-line); }
.zf-layout-center .zf-stage { display: grid; place-items: center; text-align: center; min-height: calc(var(--zf-h) - 2 * clamp(24px, 4.2vw, 64px)); }
.zf-layout-center .zf-visual { position: absolute; inset: 0; max-height: none; aspect-ratio: auto; opacity: .9; }
.zf-layout-center .zf-copy { z-index: 2; pointer-events: none; }
.zf-layout-center .zf-copy .zf-actions { justify-content: center; pointer-events: auto; }
.zf-layout-center .zf-text { margin-inline: auto; }
.zf-layout-center .zf-hint { display: none; }

/* ======================================================== 2. Shader hero */
.zf-shader-hero { display: grid; }
.zf-shader-hero .zf-shader { opacity: 0; transition: opacity 1.2s ease; }
.zf-shader-hero.zf-gl-ready .zf-shader { opacity: 1; }
/* Soft scrim keeps text readable over the brightest part of the light field. */
.zf-shader-hero::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(48% 52% at 50% 46%, color-mix(in srgb, var(--zf-bg) 55%, transparent), transparent 78%); }
.zf-shader-hero.zf-align-start::before { background: radial-gradient(55% 70% at 78% 50%, color-mix(in srgb, var(--zf-bg) 66%, transparent), transparent 80%); }
.zf-shader-hero.zf-surface-transparent::before { display: none; }
.zf-shader-hero:not(.zf-is-light) .zf-text { text-shadow: 0 1px 14px color-mix(in srgb, var(--zf-bg) 80%, transparent); }
.zf-shader-hero .zf-stage { display: flex; flex-direction: column; justify-content: center; min-height: calc(var(--zf-h) - 2 * clamp(24px, 4.2vw, 64px)); }
.zf-align-center .zf-stage { align-items: center; text-align: center; }
.zf-align-center .zf-copy { max-width: 820px; }
.zf-align-center .zf-text { margin-inline: auto; }
.zf-align-center .zf-actions { justify-content: center; }
.zf-shader-hero .zf-title { font-size: clamp(34px, 6vw, 78px); }
.zf-noise { position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .5; mix-blend-mode: overlay;
	background-image: radial-gradient(rgba(255,255,255,.14) 1px, transparent 1px); background-size: 3px 3px; }
.zf-no-gl { background:
	radial-gradient(60% 50% at 30% 40%, color-mix(in srgb, var(--zf-a) 55%, transparent), transparent 70%),
	radial-gradient(50% 45% at 70% 60%, color-mix(in srgb, var(--zf-b) 45%, transparent), transparent 70%),
	radial-gradient(40% 40% at 50% 20%, color-mix(in srgb, var(--zf-c) 35%, transparent), transparent 70%),
	var(--zf-bg); background-size: 160% 160%; animation: zf-drift 18s ease-in-out infinite alternate; }
@keyframes zf-drift { to { background-position: 100% 100%; } }
.zf-stats { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 38px; }
.zf-align-start .zf-stats { justify-content: flex-start; }
.zf-stats > div { min-width: 150px; padding: 14px 20px; border-radius: 18px; border: 1px solid var(--zf-line); background: var(--zf-glass); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); text-align: center; }
.zf-stats b { display: block; font-size: 24px; font-weight: 900; background: linear-gradient(90deg, var(--zf-b), var(--zf-a)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.zf-stats small { color: var(--zf-ink-2); font-size: 12px; }

/* ===================================================== 3. Particle morph */
.zf-particle-morph .zf-stage { min-height: calc(var(--zf-h) - 2 * clamp(24px, 4.2vw, 64px)); }
.zf-particle-morph .zf-canvas { position: absolute; inset: 0; cursor: crosshair; }
.zf-caption { position: absolute; inset-inline: 0; bottom: 0; margin: 0; text-align: center; color: var(--zf-ink-2); font-size: 13px; }

/* ===================================================== 4. Model carousel */
.zf-model-carousel .zf-copy { margin: 0 auto 10px; text-align: center; }
.zf-model-carousel .zf-text { margin-inline: auto; }
.zf-carousel { --zf-card-w: 250px; --zf-card-h: 330px; --zf-tilt: 0deg; position: relative; height: calc(var(--zf-card-h) + 90px); perspective: 1700px; touch-action: pan-y; user-select: none; outline: none; border-radius: 24px; }
.zf-ring {
	position: absolute; left: 50%; top: 50%;
	width: var(--zf-card-w); height: var(--zf-card-h);
	margin: calc(var(--zf-card-h) / -2) 0 0 calc(var(--zf-card-w) / -2);
	transform-style: preserve-3d;
	transition: transform 1s cubic-bezier(.2,.8,.2,1);
	rotate: x var(--zf-tilt);
}
.zf-card {
	position: absolute; inset: 0; display: flex; flex-direction: column;
	padding: 22px; border-radius: 24px; overflow: hidden;
	color: var(--zf-ink); text-align: start;
	background: linear-gradient(160deg, var(--zf-glass-2), var(--zf-glass));
	border: 1px solid var(--zf-line);
	backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
	box-shadow: 0 30px 60px -30px rgba(0,0,0,.6);
	opacity: calc(1 - var(--zf-dist, 0) * .2);
	transition: opacity .6s ease, border-color .6s ease, box-shadow .6s ease;
	backface-visibility: hidden; -webkit-backface-visibility: hidden;
}
.zf-card.is-active { border-color: color-mix(in srgb, var(--zf-a) 70%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--zf-a) 40%, transparent), 0 40px 90px -30px color-mix(in srgb, var(--zf-a) 70%, transparent); }
.zf-card-glow { position: absolute; inset: -40% -20% auto; height: 70%; background: radial-gradient(closest-side, color-mix(in srgb, var(--zf-a) 45%, transparent), transparent); opacity: .5; pointer-events: none; transition: opacity .6s; }
.zf-card.is-active .zf-card-glow { opacity: 1; }
.zf-card-top { position: relative; display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.zf-card-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px; color: #fff; background: linear-gradient(135deg, var(--zf-a), var(--zf-b)); box-shadow: 0 12px 30px -10px color-mix(in srgb, var(--zf-a) 80%, transparent); }
.zf-badge { padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 800; color: var(--zf-ink); background: color-mix(in srgb, var(--zf-c) 25%, transparent); border: 1px solid color-mix(in srgb, var(--zf-c) 45%, transparent); }
.zf-card h3 { position: relative; margin: 0 0 8px; font-size: 20px; font-weight: 900; color: var(--zf-ink); }
.zf-card p { position: relative; margin: 0; font-size: 13px; line-height: 1.9; color: var(--zf-ink-2); display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.zf-price { position: relative; margin-top: auto; padding-top: 14px; display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; }
.zf-price b { font-size: 22px; font-weight: 900; background: linear-gradient(90deg, var(--zf-b), var(--zf-a)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.zf-price small { color: var(--zf-ink-2); font-size: 12px; }
.zf-card-btn { margin-top: 14px; min-height: 44px; width: 100%; font-size: 13.5px; }
.zf-card:not(.is-active) .zf-card-btn { pointer-events: none; opacity: .55; }
.zf-carousel-nav { position: relative; z-index: 3; display: flex; align-items: center; justify-content: center; gap: 16px; }
.zf-nav { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 50%; color: var(--zf-ink); background: var(--zf-glass); border: 1px solid var(--zf-line); cursor: pointer; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); transition: transform .2s, background .2s; }
.zf-nav:hover { transform: scale(1.08); background: var(--zf-glass-2); }
.zf-counter { min-width: 64px; text-align: center; font-weight: 800; color: var(--zf-ink-2); }

/* ===================================================== 5. Holo terminal */
.zf-holo-terminal .zf-stage { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); align-items: center; gap: clamp(20px, 4vw, 56px); min-height: calc(var(--zf-h) - 2 * clamp(24px, 4.2vw, 64px)); }
.zf-term-wrap { position: relative; perspective: 1400px; }
.zf-term {
	--rx: 5deg; --ry: -8deg;
	position: relative; border-radius: 22px; overflow: hidden;
	transform: rotateX(var(--rx)) rotateY(var(--ry));
	transform-style: preserve-3d; transition: transform .25s ease-out;
	background: linear-gradient(170deg, color-mix(in srgb, var(--zf-bg) 70%, rgba(255,255,255,.06)), color-mix(in srgb, var(--zf-bg) 88%, transparent));
	border: 1px solid color-mix(in srgb, var(--zf-b) 35%, var(--zf-line));
	box-shadow: 0 50px 100px -40px color-mix(in srgb, var(--zf-a) 70%, transparent), 0 0 0 1px rgba(255,255,255,.04) inset, 0 0 60px -20px color-mix(in srgb, var(--zf-b) 50%, transparent) inset;
	backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.zf-term::before { content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 3; background: repeating-linear-gradient(180deg, rgba(255,255,255,.035) 0 1px, transparent 1px 4px); mix-blend-mode: overlay; }
.zf-term::after { content: ""; position: absolute; inset-inline: 0; height: 120px; top: -120px; z-index: 3; pointer-events: none; background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--zf-b) 14%, transparent), transparent); animation: zf-scan 6s linear infinite; }
@keyframes zf-scan { to { top: 110%; } }
.zf-term-bar { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-bottom: 1px solid var(--zf-line); background: color-mix(in srgb, var(--zf-ink) 4%, transparent); color: var(--zf-ink); font-size: 13px; }
.zf-dots { display: inline-flex; gap: 6px; } .zf-dots i { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; } .zf-dots i:nth-child(2) { background: #febc2e; } .zf-dots i:nth-child(3) { background: #28c840; }
.zf-term-model { margin-inline-start: auto; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: 11.5px; color: var(--zf-ink); background: color-mix(in srgb, var(--zf-a) 18%, transparent); border: 1px solid color-mix(in srgb, var(--zf-a) 40%, transparent); }
.zf-term-model small { color: var(--zf-ink-2); }
.zf-term-body { height: 300px; overflow: hidden; padding: 18px; display: flex; flex-direction: column; justify-content: flex-end; gap: 12px; transition: opacity .25s; -webkit-mask-image: linear-gradient(180deg, transparent, #000 16%); mask-image: linear-gradient(180deg, transparent, #000 16%); }
.zf-msg { flex: none; }
.zf-term-body.is-clearing { opacity: 0; }
.zf-msg { display: flex; gap: 10px; align-items: flex-start; animation: zf-pop .35s cubic-bezier(.2,.8,.2,1); }
@keyframes zf-pop { from { opacity: 0; transform: translateY(8px) scale(.98); } }
.zf-msg > span { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 10px; color: #fff; background: linear-gradient(135deg, var(--zf-a), var(--zf-b)); }
.zf-msg-user > span { background: color-mix(in srgb, var(--zf-ink) 12%, transparent); color: var(--zf-ink); }
.zf-msg p { margin: 0; padding: 10px 14px; border-radius: 14px; font-size: 13.5px; line-height: 1.95; color: var(--zf-ink); background: color-mix(in srgb, var(--zf-ink) 5%, transparent); border: 1px solid var(--zf-line); }
.zf-msg-ai p { background: color-mix(in srgb, var(--zf-a) 12%, transparent); border-color: color-mix(in srgb, var(--zf-a) 30%, transparent); }
.zf-msg.is-thinking p { min-width: 64px; min-height: 40px; background-image: radial-gradient(circle, var(--zf-b) 3px, transparent 4px), radial-gradient(circle, var(--zf-b) 3px, transparent 4px), radial-gradient(circle, var(--zf-b) 3px, transparent 4px); background-repeat: no-repeat; background-size: 10px 10px; background-position: 30% 50%, 50% 50%, 70% 50%; animation: zf-think 1s infinite; }
@keyframes zf-think { 50% { background-position: 30% 35%, 50% 65%, 70% 35%; } }
.zf-term-input { display: flex; align-items: center; gap: 10px; padding: 12px; border-top: 1px solid var(--zf-line); background: color-mix(in srgb, var(--zf-ink) 3%, transparent); }
.zf-term-prompt { flex: 1; min-height: 44px; display: flex; align-items: center; padding: 0 14px; border-radius: 12px; border: 1px solid var(--zf-line); background: color-mix(in srgb, var(--zf-bg) 60%, transparent); color: var(--zf-ink); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zf-term-prompt::after { content: ""; width: 2px; height: 18px; margin-inline-start: 3px; background: var(--zf-b); animation: zf-caret 1s steps(1) infinite; }
@keyframes zf-caret { 50% { opacity: 0; } }
.zf-term-try { min-height: 44px; padding: 0 16px; font-size: 13px; white-space: nowrap; }
.zf-term-reflection { position: absolute; inset-inline: 8%; bottom: -60px; height: 60px; background: radial-gradient(closest-side, color-mix(in srgb, var(--zf-a) 50%, transparent), transparent); filter: blur(18px); opacity: .7; }
.zf-is-light .zf-term { background: color-mix(in srgb, var(--zf-bg) 88%, var(--zf-a)); }
.zf-is-light .zf-term-prompt { background: var(--zf-bg); }

/* ======================================================= 6. Token tunnel */
.zf-token-tunnel { display: grid; place-items: center; text-align: center; cursor: crosshair; }
.zf-token-tunnel .zf-stage { display: grid; place-items: center; min-height: calc(var(--zf-h) - 2 * clamp(24px, 4.2vw, 64px)); }
.zf-token-tunnel .zf-copy { max-width: 720px; padding: clamp(18px, 3vw, 30px); border-radius: 28px; background: radial-gradient(closest-side, color-mix(in srgb, var(--zf-bg) 70%, transparent), color-mix(in srgb, var(--zf-bg) 30%, transparent)); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
.zf-token-tunnel .zf-text { margin-inline: auto; }
.zf-token-tunnel .zf-actions { justify-content: center; }
.zf-vignette { position: absolute; inset: 0; z-index: 1; pointer-events: none; background: radial-gradient(ellipse at center, transparent 35%, color-mix(in srgb, var(--zf-bg) 85%, transparent) 100%); }
.zf-surface-transparent .zf-vignette, .zf-is-light .zf-vignette { display: none; }

/* ======================================================= 7. 3D pricing */
.zf-pricing-3d .zf-copy { margin: 0 auto clamp(26px, 4vw, 44px); text-align: center; }
.zf-pricing-3d .zf-text { margin-inline: auto; }
.zf-packs { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: clamp(14px, 2vw, 24px); align-items: stretch; }
.zf-pack { perspective: 1000px; }
.zf-pack-inner {
	--rx: 0deg; --ry: 0deg; --mx: 50%; --my: 0%;
	position: relative; height: 100%; display: flex; flex-direction: column; align-items: flex-start;
	padding: 26px 22px 22px; border-radius: 26px;
	transform: rotateX(var(--rx)) rotateY(var(--ry)); transform-style: preserve-3d;
	transition: transform .5s cubic-bezier(.2,.8,.2,1), box-shadow .4s;
	background: linear-gradient(165deg, var(--zf-glass-2), var(--zf-glass));
	border: 1px solid var(--zf-line);
	backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
}
.zf-pack.is-hover .zf-pack-inner { transition: transform .08s linear, box-shadow .4s; box-shadow: 0 40px 80px -40px color-mix(in srgb, var(--zf-a) 80%, transparent); }
.zf-pack-shine { position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(500px circle at var(--mx) var(--my), rgba(255,255,255,.14), transparent 40%); opacity: 0; transition: opacity .3s; }
.zf-pack.is-hover .zf-pack-shine { opacity: 1; }
.zf-depth-1 { transform: translateZ(20px); } .zf-depth-2 { transform: translateZ(40px); } .zf-depth-3 { transform: translateZ(60px); }
.zf-pack.is-featured .zf-pack-inner { border-color: transparent; background:
	linear-gradient(165deg, var(--zf-glass-2), var(--zf-glass)) padding-box,
	linear-gradient(var(--zf-solid), var(--zf-solid)) padding-box,
	conic-gradient(from var(--zf-angle, 0deg), var(--zf-a), var(--zf-b), var(--zf-c), var(--zf-a)) border-box;
	border: 1.5px solid transparent; animation: zf-spin 6s linear infinite; box-shadow: 0 30px 80px -40px color-mix(in srgb, var(--zf-a) 90%, transparent); }
@property --zf-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes zf-spin { to { --zf-angle: 360deg; } }
.zf-pack-flag { position: absolute; top: 16px; inset-inline-end: 16px; display: inline-flex; align-items: center; gap: 5px; padding: 5px 11px; border-radius: 999px; font-size: 11.5px; font-weight: 900; color: #fff; background: linear-gradient(120deg, var(--zf-c), var(--zf-a)); box-shadow: 0 10px 30px -10px var(--zf-c); }
.zf-pack-orb { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 20px; margin-bottom: 16px; color: #fff; background: radial-gradient(circle at 30% 25%, rgba(255,255,255,.55), transparent 45%), linear-gradient(135deg, var(--zh-coin, #f5b301), color-mix(in srgb, var(--zh-coin, #f5b301) 50%, var(--zf-c))); box-shadow: 0 16px 40px -14px var(--zh-coin, #f5b301); }
.zf-pack h3 { margin: 0 0 6px; font-size: 18px; font-weight: 900; color: var(--zf-ink); }
.zf-pack-coins { display: flex; align-items: baseline; gap: 6px; margin: 4px 0 10px; }
.zf-pack-coins b { font-size: clamp(34px, 3.4vw, 44px); line-height: 1; font-weight: 900; background: linear-gradient(90deg, var(--zf-b), var(--zf-a)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.zf-pack-coins small { color: var(--zf-ink-2); font-weight: 700; }
.zf-pack-price { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }
.zf-pack-price strong { font-size: 17px; color: var(--zf-ink); }
.zf-pack-price del { color: var(--zf-ink-2); font-size: 13px; opacity: .7; }
.zf-pack-per { color: var(--zf-ink-2); font-size: 12px; }
.zf-pack p { margin: 10px 0 0; color: var(--zf-ink-2); font-size: 13px; line-height: 1.9; }
.zf-pack .zf-btn { margin-top: auto; width: 100%; }
.zf-pack .zf-btn:first-of-type { margin-top: 20px; }

/* ======================================================= 8. Scroll story */
.zf-scroll-story { padding: 0; min-height: 0; overflow: clip; }
.zf-story-track { position: relative; height: calc(100vh + (var(--zf-steps, 4) - 1) * 62vh); }
.zf-story-sticky { position: sticky; top: 0; height: 100vh; min-height: 520px; display: flex; align-items: center; padding: clamp(24px, 4.2vw, 64px); }
.zf-scroll-story .zf-stage { position: static; width: 100%; }
.zf-scroll-story .zf-copy { margin-bottom: clamp(16px, 3vw, 34px); }
.zf-story { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(20px, 4vw, 60px); }
.zf-story-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.zf-story-step { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: 20px; border: 1px solid transparent; opacity: .42; transition: opacity .5s, background .5s, border-color .5s, transform .5s; }
.zf-story-step.is-active { opacity: 1; background: var(--zf-glass); border-color: var(--zf-line); transform: translateX(-6px); }
.zf-story-step.is-done { opacity: .62; }
.zf-story-num { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; font-weight: 900; color: var(--zf-ink); border: 1px solid var(--zf-line); background: var(--zf-glass); transition: background .5s, color .5s; }
.zf-story-step.is-active .zf-story-num { color: #fff; background: linear-gradient(135deg, var(--zf-a), var(--zf-b)); border-color: transparent; box-shadow: 0 10px 30px -10px var(--zf-a); }
.zf-story-step h3 { margin: 4px 0 4px; font-size: 18px; font-weight: 900; color: var(--zf-ink); }
.zf-story-step p { margin: 0; font-size: 13.5px; line-height: 1.95; color: var(--zf-ink-2); }
.zf-story-deck { position: relative; height: min(56vh, 420px); perspective: 1200px; transform-style: preserve-3d; }
.zf-story-card {
	position: absolute; inset: 0; margin: auto; width: min(100%, 340px); height: min(100%, 400px);
	display: flex; flex-direction: column; justify-content: flex-end; gap: 10px; padding: 26px;
	border-radius: 28px; overflow: hidden; color: var(--zf-ink);
	background: radial-gradient(120% 80% at 80% 0%, color-mix(in srgb, var(--zf-a) 40%, transparent), transparent 60%), radial-gradient(90% 70% at 0% 100%, color-mix(in srgb, var(--zf-b) 30%, transparent), transparent 60%), linear-gradient(165deg, var(--zf-glass-2), var(--zf-glass));
	border: 1px solid var(--zf-line);
	box-shadow: 0 40px 90px -40px rgba(0,0,0,.7);
	backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
	transform-origin: 50% 100%; will-change: transform, opacity;
	transform: translate3d(0, calc(var(--i) * 10%), calc(var(--i) * -150px));
}
.zf-story-icon { position: absolute; top: 24px; inset-inline-start: 24px; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 20px; color: #fff; background: linear-gradient(135deg, var(--zf-a), var(--zf-b)); box-shadow: 0 16px 40px -14px var(--zf-a); }
.zf-story-card small { font-size: 12px; font-weight: 800; color: var(--zf-b); }
.zf-story-card b { font-size: 24px; font-weight: 900; line-height: 1.4; }
.zf-story-lines { display: grid; gap: 7px; font-style: normal; } .zf-story-lines em { display: block; height: 7px; border-radius: 6px; background: color-mix(in srgb, var(--zf-ink) 12%, transparent); } .zf-story-lines em:nth-child(2) { width: 82%; } .zf-story-lines em:nth-child(3) { width: 58%; }
.zf-story-progress { position: absolute; inset-inline: clamp(24px, 4.2vw, 64px); bottom: 26px; height: 4px; border-radius: 4px; background: var(--zf-line); overflow: hidden; }
.zf-story-progress i { position: absolute; inset: 0; transform: scaleX(0); transform-origin: right; background: linear-gradient(270deg, var(--zf-a), var(--zf-b), var(--zf-c)); }

/* ============================================================ responsive */
@media (max-width: 900px) {
	.zf-neural-sphere .zf-stage, .zf-holo-terminal .zf-stage { grid-template-columns: 1fr; }
	.zf-neural-sphere .zf-visual { max-width: 460px; }
	.zf-term { --rx: 0deg !important; --ry: 0deg !important; }
}
@media (max-width: 767px) {
	.zf-carousel { --zf-card-w: 220px; --zf-card-h: 310px; }
	.zf-story { grid-template-columns: 1fr; gap: 14px; }
	.zf-story-deck { order: -1; height: 34vh; }
	.zf-story-card { width: min(100%, 260px); padding: 20px; }
	.zf-story-card b { font-size: 19px; }
	.zf-story-step:not(.is-active) { display: none; }
	.zf-story-step.is-active { transform: none; }
	.zf-scroll-story .zf-copy .zf-text { display: none; }
	.zf-term-body { height: 260px; }
	.zf-term-input { flex-direction: column; align-items: stretch; }
}

/* ======================================================= reduced motion */
@media (prefers-reduced-motion: reduce) {
	.zf *, .zf *::before, .zf *::after { animation: none !important; transition: none !important; }
	.zf .zf-copy > * { opacity: 1; transform: none; }
	.zf-story-track { height: auto; }
	.zf-story-sticky { position: static; height: auto; min-height: 0; }
	.zf-story-deck { display: none; }
	.zf-story { grid-template-columns: 1fr; }
	.zf-story-step, .zf-story-step:not(.is-active) { display: flex; opacity: 1; }
	.zf-story-progress { display: none; }
}