/* Calcurate marketing site */
:root {
  color-scheme: dark;
  --bg: #0b0c0e;
  --bg-2: #101215;
  --surface: #15171b;
  --surface-2: #1b1e23;
  --line: #262a31;
  --line-2: #343942;
  --text: #ecebe6;
  --text-2: #c4c6c9;
  --muted: #8e949c;
  --amber: #e9a227;
  --amber-2: #fbbf24;
  --amber-ink: #2b1a05;
  --vfd: #5dffc8;
  --vfd-2: #2fd59c;
  --vfd-bg: #03110d;
  --red: #d6402f;
  --slate: #3b4652;
  --cream: #e6e1d6;
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --font-body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-tech: 'Chakra Petch', 'DM Sans', system-ui, sans-serif;
  --font-mono: 'Share Tech Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --font-key: 'Oxanium', 'Chakra Petch', system-ui, sans-serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 84px; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
}
img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: var(--amber-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #ffd36b; }
:focus-visible { outline: 2px solid var(--amber-2); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3, h4 { font-family: var(--font-tech); line-height: 1.12; letter-spacing: -0.01em; margin: 0 0 0.5em; color: #fff; }
h1 { font-size: clamp(2.3rem, 5.6vw, 4.3rem); font-weight: 700; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 600; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.25em; }
code { font-family: var(--font-mono); font-size: 0.92em; background: var(--surface-2); border: 1px solid var(--line); padding: 0.08em 0.4em; border-radius: 6px; color: var(--vfd); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--amber); color: var(--amber-ink); padding: 10px 14px; border-radius: 10px; font-weight: 700; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.section { padding: clamp(64px, 10vw, 120px) 0; position: relative; }
.section-tight { padding: clamp(40px, 6vw, 72px) 0; }
.eyebrow { font: 600 0.78rem/1 var(--font-mono); letter-spacing: 0.22em; text-transform: uppercase; color: var(--amber-2); margin: 0 0 18px; display: inline-flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ''; width: 22px; height: 1px; background: currentColor; opacity: 0.7; }
.lede { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--text-2); max-width: 640px; }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }
.muted { color: var(--muted); }
.mono { font-family: var(--font-mono); }
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 920px) { .g3, .g4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

/* brushed metal texture used on panels */
.metal {
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.018) 0 1px, transparent 1px 3px),
    linear-gradient(180deg, #23262b, #191b1f);
  border: 1px solid #30343b;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 30px 60px -30px rgba(0,0,0,0.8);
}

/* ── header ── */
.site-header { position: sticky; top: 0; z-index: 50; transition: background 0.3s, border-color 0.3s, backdrop-filter 0.3s; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(11,12,14,0.78); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-color: var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font: 700 1.12rem/1 var(--font-tech); letter-spacing: 0.08em; }
.brand b { color: var(--amber); font-weight: 700; }
.brand svg { width: 32px; height: 32px; }
.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--text-2); text-decoration: none; font-weight: 500; font-size: 0.95rem; padding: 8px 12px; border-radius: 10px; transition: color 0.2s, background 0.2s; }
.nav-links a:hover, .nav-links a[aria-current='page'] { color: #fff; background: rgba(255,255,255,0.05); }
.nav-cta { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; background: none; border: 1px solid var(--line-2); color: var(--text); width: 42px; height: 42px; border-radius: 12px; cursor: pointer; }
.menu-btn span { display: block; width: 18px; height: 2px; background: currentColor; margin: 4px auto; transition: transform 0.3s var(--ease-out), opacity 0.2s; }
.menu-open .menu-btn span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-open .menu-btn span:nth-child(2) { opacity: 0; }
.menu-open .menu-btn span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
@media (max-width: 880px) {
  .menu-btn { display: block; }
  .nav-links { position: fixed; inset: 68px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 24px; background: rgba(11,12,14,0.97); border-bottom: 1px solid var(--line); transform: translateY(-8px); opacity: 0; pointer-events: none; transition: opacity 0.25s, transform 0.3s var(--ease-out); }
  .nav-links a { padding: 14px 6px; font-size: 1.05rem; border-bottom: 1px solid var(--line); border-radius: 0; }
  .menu-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav-cta .btn { display: none; }
}

/* ── buttons ── */
.btn {
  --b-bg: var(--amber); --b-ink: var(--amber-ink); --b-edge: #a86f10;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 700 0.98rem/1 var(--font-tech); letter-spacing: 0.04em; text-decoration: none;
  color: var(--b-ink); background: var(--b-bg); border: 0; border-radius: 12px; padding: 13px 20px; cursor: pointer;
  box-shadow: 0 4px 0 var(--b-edge), 0 10px 24px -10px rgba(233,162,39,0.6);
  transition: transform 0.12s var(--ease-out), box-shadow 0.12s var(--ease-out), filter 0.2s;
}
.btn:hover { color: var(--b-ink); filter: brightness(1.07); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 var(--b-edge), 0 6px 14px -8px rgba(233,162,39,0.5); }
.btn-ghost { --b-bg: transparent; --b-ink: var(--text); --b-edge: transparent; border: 1px solid var(--line-2); box-shadow: none; }
.btn-ghost:hover { --b-ink: #fff; background: rgba(255,255,255,0.04); }
.btn-sm { padding: 10px 14px; font-size: 0.88rem; }

/* store badges */
.stores { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.store {
  display: inline-flex; align-items: center; gap: 12px; text-decoration: none; color: #fff;
  background: #000; border: 1px solid #3c4048; border-radius: 14px; padding: 9px 18px 9px 14px; min-width: 186px;
  transition: transform 0.2s var(--ease-out), border-color 0.2s, box-shadow 0.25s;
}
.store:hover { color: #fff; transform: translateY(-2px); border-color: #6b717b; box-shadow: 0 12px 30px -14px rgba(0,0,0,0.9); }
.store svg { width: 26px; height: 26px; flex: none; }
.store small { display: block; font: 500 0.68rem/1.1 var(--font-body); letter-spacing: 0.02em; opacity: 0.85; }
.store strong { display: block; font: 600 1.18rem/1.1 var(--font-body); letter-spacing: -0.01em; }
.store.preferred { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(233,162,39,0.18); }
.trust { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 22px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.9rem; }
.trust li { display: inline-flex; align-items: center; gap: 7px; }
.trust li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--vfd); box-shadow: 0 0 10px var(--vfd); }

/* ── hero ── */
.hero { position: relative; padding: clamp(36px, 6vw, 80px) 0 clamp(60px, 8vw, 110px); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: 48px; align-items: center; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 56px; } }
.hero h1 .glow { color: var(--vfd); text-shadow: 0 0 24px rgba(93,255,200,0.45); }
.hero h1 .amb { color: var(--amber); }
.hero .lede { margin-bottom: 30px; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: -1; }
.hero-bg::before {
  content: ''; position: absolute; width: 900px; height: 900px; right: -260px; top: -280px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(233,162,39,0.16), transparent 70%);
  animation: drift 16s ease-in-out infinite alternate;
}
.hero-bg::after {
  content: ''; position: absolute; width: 760px; height: 760px; left: -300px; bottom: -380px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(93,255,200,0.1), transparent 70%);
  animation: drift 20s ease-in-out infinite alternate-reverse;
}
.grid-lines { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse at 60% 30%, #000 20%, transparent 70%); }
@keyframes drift { to { transform: translate(-60px, 50px) scale(1.08); } }

.hero-split { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line-2); border-radius: 999px; padding: 6px 12px 6px 8px; font-size: 0.85rem; color: var(--text-2); background: rgba(255,255,255,0.02); text-decoration: none; }
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--vfd); box-shadow: 0 0 10px var(--vfd); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }

/* ── interactive device (hero calculator) ── */
.device-stage { position: relative; perspective: 1400px; display: flex; justify-content: center; }
.device {
  --k: 1;
  width: min(390px, 100%); border-radius: 34px; padding: 18px 16px 16px; position: relative;
  transform: rotateY(-12deg) rotateX(6deg) rotateZ(0.5deg);
  transition: transform 0.9s var(--ease-out);
  animation: float 7s ease-in-out infinite;
}
.device:hover, .device.engaged { transform: rotateY(-3deg) rotateX(2deg); }
@keyframes float { 50% { translate: 0 -10px; } }
.device::after { content: ''; position: absolute; left: 10%; right: 10%; bottom: -60px; height: 40px; background: radial-gradient(closest-side, rgba(0,0,0,0.7), transparent); filter: blur(8px); z-index: -1; }
.dev-brand { display: flex; justify-content: space-between; align-items: center; padding: 2px 6px 12px; }
.dev-brand b { font: 700 0.95rem/1 var(--font-tech); letter-spacing: 0.12em; color: #e9e6df; }
.dev-brand b span { color: var(--amber); }
.dev-brand small { display: block; font: 400 0.55rem/1.6 var(--font-mono); letter-spacing: 0.2em; color: #868b93; }
.solar { display: flex; gap: 2px; padding: 3px; background: #1a0f0c; border-radius: 4px; border: 1px solid #000; }
.solar i { width: 16px; height: 14px; background: linear-gradient(180deg, #4a2a20, #2a1612); border-radius: 1px; }
.vfd {
  position: relative; border-radius: 14px; padding: 12px 14px 10px; min-height: 132px; overflow: hidden;
  background: radial-gradient(120% 90% at 70% 40%, #0c3b2c 0%, var(--vfd-bg) 65%);
  border: 6px solid #0a0b0c; box-shadow: inset 0 0 0 1px #000, inset 0 10px 30px rgba(0,0,0,0.8), 0 1px 0 rgba(255,255,255,0.06);
  font-family: var(--font-mono); color: var(--vfd);
}
.vfd::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(0,0,0,0.55) 0.6px, transparent 0.8px); background-size: 3px 3px; pointer-events: none; }
.vfd::after { content: ''; position: absolute; inset: 0; background: linear-gradient(115deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0) 38%); pointer-events: none; }
.vfd-top { display: flex; justify-content: space-between; font-size: 0.66rem; letter-spacing: 0.1em; color: var(--vfd-2); }
.vfd-top .tag { border: 1px solid currentColor; border-radius: 4px; padding: 1px 5px; }
.vfd-eq { text-align: right; font-size: 0.92rem; min-height: 1.4em; margin-top: 8px; color: var(--vfd-2); white-space: nowrap; overflow: hidden; text-overflow: clip; direction: rtl; }
.vfd-eq bdi { direction: ltr; unicode-bidi: isolate; }
.vfd-main { text-align: right; font-size: clamp(1.7rem, 7vw, 2.25rem); line-height: 1.15; text-shadow: 0 0 12px rgba(45,251,177,0.75), 0 0 2px rgba(45,251,177,0.9); white-space: nowrap; overflow: hidden; }
.vfd-main.flash { animation: vfdflash 0.5s ease-out; }
@keyframes vfdflash { 0% { opacity: 0.2; filter: blur(2px); } 100% { opacity: 1; filter: none; } }
.vfd-sub { text-align: right; font-size: 0.62rem; color: #1f8f68; min-height: 1.3em; white-space: nowrap; overflow: hidden; }
.vfd .cursor { display: inline-block; width: 0.5em; height: 0.95em; background: currentColor; vertical-align: -0.1em; margin-left: 2px; animation: blink 1s steps(2) infinite; box-shadow: 0 0 10px currentColor; }
@keyframes blink { 50% { opacity: 0; } }
.vfd.amber { background: radial-gradient(120% 90% at 70% 40%, #3c2006 0%, #120902 65%); color: #ffc14d; }
.vfd.amber .vfd-top, .vfd.amber .vfd-eq { color: #e69a22; }
.vfd.amber .vfd-main { text-shadow: 0 0 12px rgba(255,170,30,0.8); }
.vfd.amber .vfd-sub { color: #8a5a14; }
.vfd.lcd { background: linear-gradient(180deg, #a3b39a, #8fa087); color: #1d2a1f; }
.vfd.lcd .vfd-top, .vfd.lcd .vfd-eq { color: #2c3b2e; }
.vfd.lcd .vfd-main { text-shadow: 1px 1px 0 rgba(0,0,0,0.12); }
.vfd.lcd .vfd-sub { color: #4e604c; }
.vfd.lcd::before { background-image: none; }

.dev-row { display: flex; align-items: center; justify-content: space-between; margin: 12px 4px 8px; font: 400 0.58rem/1 var(--font-mono); letter-spacing: 0.2em; color: #7c818a; }
.keys { display: grid; gap: 9px; }
.keys.cur { grid-template-columns: repeat(3, 1fr); margin-bottom: 12px; }
.keys.pad { grid-template-columns: repeat(4, 1fr); padding: 10px; border-radius: 16px; background: #101113; box-shadow: inset 0 2px 8px rgba(0,0,0,0.9), 0 1px 0 rgba(255,255,255,0.05); }
.key {
  --cap: var(--cream); --ink: #2a2826; --edge: #a8a296;
  position: relative; height: 50px; border: 0; padding: 0; cursor: pointer; border-radius: 10px;
  font: 600 1.15rem/1 var(--font-key); color: var(--ink);
  background: linear-gradient(180deg, color-mix(in srgb, var(--cap) 100%, #fff 18%) 0%, var(--cap) 45%, color-mix(in srgb, var(--cap) 88%, #000) 100%);
  box-shadow: 0 5px 0 var(--edge), 0 7px 10px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.55), inset 0 -2px 3px rgba(0,0,0,0.12);
  transition: transform 0.07s ease-out, box-shadow 0.07s ease-out;
  -webkit-tap-highlight-color: transparent; user-select: none; touch-action: manipulation;
}
.key::before { content: ''; position: absolute; inset: 5px 7px 9px; border-radius: 7px; background: linear-gradient(180deg, rgba(0,0,0,0.06), rgba(255,255,255,0.12)); pointer-events: none; }
.key.down, .key:active { transform: translateY(4px); box-shadow: 0 1px 0 var(--edge), 0 2px 3px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.4); }
.key.mod { --cap: #8d8f92; --ink: #f4f2ee; --edge: #55575a; }
.key.op { --cap: var(--slate); --ink: #e9edf1; --edge: #222930; }
.key.ac { --cap: var(--red); --ink: #fff6ef; --edge: #8a2216; font-size: 0.95rem; }
.key.eq { --cap: var(--amber); --ink: var(--amber-ink); --edge: #a06a10; font-size: 1.4rem; }
.key.curk { --cap: #2d2f33; --ink: #f1e7d0; --edge: #141518; height: 54px; font-size: 0.95rem; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.key.curk small { font: 400 0.55rem/1 var(--font-mono); opacity: 0.7; letter-spacing: 0.04em; }
.key.curk.lit { --cap: var(--amber); --ink: var(--amber-ink); --edge: #a06a10; }
.key .fl { font-size: 0.9rem; margin-right: 4px; }
.device-hint { position: absolute; bottom: -42px; left: 0; right: 0; text-align: center; font: 400 0.78rem/1.4 var(--font-mono); color: var(--muted); letter-spacing: 0.08em; }

/* ── ticker ── */
.ticker { border-block: 1px solid var(--line); background: var(--bg-2); overflow: hidden; position: relative; }
.ticker::before, .ticker::after { content: ''; position: absolute; top: 0; bottom: 0; width: 80px; z-index: 2; pointer-events: none; }
.ticker::before { left: 0; background: linear-gradient(90deg, var(--bg-2), transparent); }
.ticker::after { right: 0; background: linear-gradient(-90deg, var(--bg-2), transparent); }
.ticker-track { display: flex; width: max-content; animation: marquee 48s linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { display: inline-flex; align-items: center; gap: 10px; padding: 16px 26px; font: 400 0.95rem/1 var(--font-mono); color: var(--text-2); white-space: nowrap; border-right: 1px solid var(--line); text-decoration: none; }
.ticker-item:hover { color: #fff; }
.ticker-item b { color: var(--vfd); font-weight: 400; text-shadow: 0 0 10px rgba(93,255,200,0.4); }
.ticker-item .fl { font-size: 1.1rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ── cards ── */
.card { background: linear-gradient(180deg, var(--surface), var(--bg-2)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; position: relative; overflow: hidden; transition: transform 0.4s var(--ease-out), border-color 0.3s, box-shadow 0.4s; }
.card h3 { margin-bottom: 0.4em; }
.card p { color: var(--text-2); margin-bottom: 0; }
a.card { text-decoration: none; color: inherit; display: block; }
a.card:hover { transform: translateY(-4px); border-color: var(--line-2); box-shadow: 0 24px 50px -28px rgba(0,0,0,0.9); }
a.card:hover .more { color: var(--amber-2); gap: 10px; }
.card .more { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font: 600 0.9rem/1 var(--font-tech); color: var(--text); transition: gap 0.25s var(--ease-out), color 0.2s; }
.card-spot::before { content: ''; position: absolute; inset: 0; background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), rgba(233,162,39,0.1), transparent 45%); opacity: 0; transition: opacity 0.3s; pointer-events: none; }
.card-spot:hover::before { opacity: 1; }
.icon-cap { width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 20px; font: 700 1.25rem/1 var(--font-key); color: var(--amber-ink); background: linear-gradient(180deg, #ffc74f, var(--amber) 55%, #c98712); box-shadow: 0 4px 0 #8f5c0c, 0 10px 18px -6px rgba(233,162,39,0.5), inset 0 1px 0 rgba(255,255,255,0.5); }
.icon-cap.slate { color: #e9edf1; background: linear-gradient(180deg, #56636f, var(--slate) 55%, #2a333c); box-shadow: 0 4px 0 #1a2026, 0 10px 18px -8px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.25); }
.icon-cap.cream { color: #2a2826; background: linear-gradient(180deg, #f6f2ea, var(--cream) 55%, #c9c3b6); box-shadow: 0 4px 0 #8f897d, 0 10px 18px -8px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.7); }
.icon-cap.red { color: #fff; background: linear-gradient(180deg, #ee5e4d, var(--red) 55%, #a52c1e); box-shadow: 0 4px 0 #6f1b11, 0 10px 18px -8px rgba(214,64,47,0.6), inset 0 1px 0 rgba(255,255,255,0.35); }
.icon-cap.glow { color: var(--vfd); background: radial-gradient(circle at 50% 40%, #0c3b2c, #03110d); box-shadow: 0 4px 0 #000, inset 0 0 0 1px #0a2a1f; text-shadow: 0 0 10px var(--vfd); font-family: var(--font-mono); }
.icon-cap svg { width: 26px; height: 26px; }

/* ── steps ── */
.steps { counter-reset: step; display: grid; gap: 22px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }
.step { padding: 26px; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); position: relative; }
.step::before { counter-increment: step; content: '0' counter(step); font: 400 0.85rem/1 var(--font-mono); color: var(--amber-2); letter-spacing: 0.2em; display: block; margin-bottom: 14px; }
.step .tok { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tok span { font: 400 0.9rem/1 var(--font-mono); padding: 8px 10px; border-radius: 8px; background: var(--vfd-bg); color: var(--vfd); border: 1px solid #0d3427; text-shadow: 0 0 8px rgba(93,255,200,0.5); }
.tok span.c { background: #2a1c06; color: var(--amber-2); border-color: #4a3410; text-shadow: none; }

/* ── split feature rows ── */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: center; }
.split.rev > :first-child { order: 2; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } .split.rev > :first-child { order: 0; } }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; color: var(--text-2); }
.checks li::before { content: ''; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 6px; background: #2a1c06 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fbbf24' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/13px no-repeat; border: 1px solid #4a3410; }
.checks li strong { color: #fff; }

/* phone frame with screenshot */
.phone { position: relative; width: min(320px, 82vw); margin: 0 auto; border-radius: 44px; padding: 10px; background: linear-gradient(145deg, #2d3036, #121316); box-shadow: 0 0 0 1px #3a3e45, 0 40px 80px -30px rgba(0,0,0,0.9), inset 0 0 0 2px #050505; }
.phone img { border-radius: 34px; width: 100%; aspect-ratio: 640 / 1255; object-fit: cover; object-position: top; background: #0d0e10; }
.phone.tilt { transform: perspective(1200px) rotateY(10deg) rotateX(3deg); transition: transform 0.8s var(--ease-out); }
.phone.tilt:hover { transform: perspective(1200px) rotateY(0) rotateX(0); }
.phone .shot-stack { position: relative; }
.phone .shot-stack img { transition: opacity 0.6s ease, transform 0.8s var(--ease-out); }
.phone .shot-stack img + img { position: absolute; inset: 0; }
.phone .shot-stack img:not(.on) { opacity: 0; transform: scale(1.02); }
.glow-ring { position: absolute; inset: 10% 0; background: radial-gradient(closest-side, rgba(233,162,39,0.18), transparent); z-index: -1; filter: blur(10px); }

/* segmented control */
.seg { display: inline-flex; padding: 5px; gap: 4px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); flex-wrap: wrap; }
.seg button { font: 600 0.88rem/1 var(--font-tech); letter-spacing: 0.06em; color: var(--text-2); background: none; border: 0; border-radius: 10px; padding: 10px 14px; cursor: pointer; transition: background 0.25s, color 0.2s; }
.seg button[aria-pressed='true'] { background: var(--amber); color: var(--amber-ink); }
.seg button:not([aria-pressed='true']):hover { color: #fff; background: rgba(255,255,255,0.05); }

/* ── keycap set carousel ── */
.sets { position: relative; overflow-x: clip; overflow-y: visible; height: 620px; perspective: 1600px; margin-top: 30px; }
.sets-ring { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform 1.1s var(--ease-out); }
.set-card { position: absolute; left: 50%; top: 0; width: 280px; margin: 0 0 0 -140px; transition: opacity 0.6s, filter 0.6s; }
.set-card img { border-radius: 26px; box-shadow: 0 30px 60px -30px #000, 0 0 0 1px #2c3036; aspect-ratio: 640 / 1255; width: 100%; background: #111; }
.set-card:not(.active) { filter: brightness(0.45) saturate(0.7); }
.set-meta { text-align: center; margin-top: 4px; min-height: 64px; }
.set-meta h3 { margin: 0 0 4px; letter-spacing: 0.08em; }
.set-meta p { margin: 0; font: 400 0.82rem/1.4 var(--font-mono); letter-spacing: 0.12em; color: var(--muted); }
.set-picker { display: flex; justify-content: center; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.swatch { width: 46px; height: 40px; border-radius: 9px; border: 0; cursor: pointer; position: relative; background: linear-gradient(180deg, var(--a) 0 50%, var(--b) 50% 100%); box-shadow: 0 4px 0 rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.4); transition: transform 0.25s var(--ease-spring); }
.swatch[aria-pressed='true'] { transform: translateY(-6px); outline: 2px solid var(--amber); outline-offset: 3px; }
.swatch:hover { transform: translateY(-3px); }
@media (max-width: 640px) { .sets { height: 520px; } .set-card { width: 230px; margin: 0 0 0 -115px; } }
.wave-keys { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; max-width: 560px; margin: 0 auto 10px; }
.wave-keys i { height: 34px; border-radius: 8px; background: linear-gradient(180deg, color-mix(in srgb, var(--c, #e6e1d6), #fff 15%), var(--c, #e6e1d6)); box-shadow: 0 4px 0 color-mix(in srgb, var(--c, #e6e1d6), #000 45%); transition: background 0.3s; }
.wave-keys.pop i { animation: popcap 0.7s var(--ease-out) both; animation-delay: calc(var(--i) * 45ms); }
@keyframes popcap { 0% { transform: none; } 35% { transform: translateY(-26px) rotate(calc((var(--i) - 4) * 3deg)); } 70% { transform: translateY(3px); } 100% { transform: none; } }

/* ── widgets ── */
.widgets { display: grid; grid-template-columns: repeat(2, 170px) 1fr; grid-template-rows: auto auto; gap: 20px; align-items: start; justify-content: center; }
@media (max-width: 760px) { .widgets { grid-template-columns: repeat(2, minmax(0, 1fr)); } .w-large { grid-column: 1 / -1; } }
.homescreen { padding: 26px; border-radius: 34px; background: radial-gradient(120% 120% at 0% 0%, #2a3a5a 0%, #1b1f33 40%, #111218 100%); border: 1px solid #2b3040; position: relative; overflow: hidden; }
.homescreen::before { content: ''; position: absolute; width: 400px; height: 400px; right: -120px; top: -160px; border-radius: 50%; background: radial-gradient(closest-side, rgba(233,162,39,0.25), transparent); }
.w { background: rgba(22,24,29,0.86); backdrop-filter: blur(20px); border-radius: 24px; padding: 16px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 20px 40px -20px rgba(0,0,0,0.8); position: relative; font-family: var(--font-body); }
.w-label { font: 600 0.62rem/1 var(--font-mono); letter-spacing: 0.16em; color: var(--amber-2); margin-bottom: 10px; }
.w-small { aspect-ratio: 1; display: flex; flex-direction: column; justify-content: space-between; }
.w-rate { font: 400 1rem/1.25 var(--font-mono); color: var(--vfd); text-shadow: 0 0 8px rgba(93,255,200,0.35); }
.w-rate small { display: block; color: var(--muted); font-size: 0.72rem; text-shadow: none; margin-top: 6px; }
.w-medium { grid-column: span 2; }
.w-med-rows { display: grid; gap: 6px; margin-top: 10px; font: 400 0.86rem/1.2 var(--font-mono); color: var(--text-2); }
.w-med-rows div { display: flex; justify-content: space-between; padding: 6px 10px; border-radius: 8px; background: rgba(255,255,255,0.04); }
.w-large { grid-row: span 2; grid-column: 3; }
@media (max-width: 760px) { .w-medium { grid-column: 1 / -1; } .w-large { grid-column: 1 / -1; grid-row: auto; } }
.w-amount { display: flex; justify-content: space-between; align-items: baseline; background: #07120e; border: 1px solid #12382a; border-radius: 12px; padding: 12px 14px; font-family: var(--font-mono); color: var(--vfd); }
.w-amount b { font-weight: 400; font-size: 1.5rem; text-shadow: 0 0 10px rgba(93,255,200,0.5); }
.w-result { text-align: right; margin: 10px 2px; font: 400 1.05rem/1 var(--font-mono); color: var(--amber-2); }
.w-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.w-pad span { display: grid; place-items: center; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.07); font: 600 1rem/1 var(--font-key); color: var(--text); transition: background 0.12s, transform 0.12s; }
.w-pad span.hit { background: var(--amber); color: var(--amber-ink); transform: scale(0.94); }

/* ── rate pipeline diagram ── */
.pipeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; position: relative; margin-top: 40px; }
@media (max-width: 860px) { .pipeline { grid-template-columns: 1fr; gap: 14px; } }
.pipe { padding: 22px; border: 1px solid var(--line); background: var(--surface); position: relative; }
.pipe:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.pipe:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
@media (max-width: 860px) { .pipe, .pipe:first-child, .pipe:last-child { border-radius: var(--radius-sm); } }
.pipe .lbl { font: 400 0.75rem/1 var(--font-mono); letter-spacing: 0.16em; color: var(--vfd); display: inline-block; padding: 5px 8px; border-radius: 6px; background: var(--vfd-bg); border: 1px solid #0d3427; margin-bottom: 14px; }
.pipe.off .lbl { color: #ffc14d; background: #120902; border-color: #3c2006; }
.pipe h3 { font-size: 1.05rem; }
.pipe p { font-size: 0.93rem; color: var(--text-2); margin: 0; }
.pipe::after { content: ''; position: absolute; right: -7px; top: 50%; width: 12px; height: 12px; background: var(--surface); border-top: 1px solid var(--line); border-right: 1px solid var(--line); transform: translateY(-50%) rotate(45deg); z-index: 2; }
.pipe:last-child::after { display: none; }
@media (max-width: 860px) { .pipe::after { right: 50%; top: auto; bottom: -7px; transform: translateX(50%) rotate(135deg); } }
.pipeline .flow { position: absolute; left: 0; right: 0; top: -14px; height: 2px; background: linear-gradient(90deg, transparent, var(--vfd), transparent); background-size: 40% 100%; background-repeat: no-repeat; animation: flow 3.5s linear infinite; opacity: 0.7; }
@keyframes flow { from { background-position: -40% 0; } to { background-position: 140% 0; } }

/* ── FAQ ── */
.faq { display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); transition: border-color 0.25s, background 0.25s; }
.faq details[open] { border-color: var(--line-2); background: var(--surface-2); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 56px 20px 22px; font: 600 1.06rem/1.35 var(--font-tech); color: #fff; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center; font: 400 1.2rem/1 var(--font-mono); color: var(--amber-2); background: #2a1c06; border: 1px solid #4a3410; transition: transform 0.3s var(--ease-out); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq .ans { padding: 0 22px 20px; color: var(--text-2); }
.faq .ans p:last-child { margin: 0; }

/* ── CTA band ── */
.cta-band { position: relative; border-radius: 28px; padding: clamp(32px, 6vw, 64px); overflow: hidden; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px; align-items: center; }
.cta-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(600px circle at 90% 10%, rgba(233,162,39,0.22), transparent 60%), radial-gradient(500px circle at 0% 100%, rgba(93,255,200,0.1), transparent 60%); pointer-events: none; }
.cta-band > * { position: relative; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band .phone { width: 220px; transform: rotate(6deg) translateY(30px); margin-bottom: -110px; }
@media (max-width: 800px) { .cta-band { grid-template-columns: 1fr; } .cta-band .phone { display: none; } }
.inline-cta { margin: 40px 0; padding: 26px; border-radius: var(--radius); border: 1px solid #4a3410; background: linear-gradient(135deg, #1d1606, #14110a 60%, var(--surface)); display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.inline-cta .icon-cap { margin: 0; flex: none; }
.inline-cta > div { flex: 1 1 240px; }
.inline-cta strong { font: 700 1.15rem/1.3 var(--font-tech); color: #fff; display: block; margin-bottom: 4px; }
.inline-cta p { margin: 0; color: var(--text-2); font-size: 0.96rem; }
.inline-cta .stores { flex: 1 1 100%; }
.inline-cta .store { min-width: 0; padding: 7px 14px 7px 12px; }
.inline-cta .store strong { font-size: 1rem; margin: 0; }

/* ── page heads & breadcrumbs ── */
.page-head { padding: clamp(36px, 6vw, 72px) 0 clamp(28px, 4vw, 48px); position: relative; overflow: hidden; }
.page-head .lede { margin-bottom: 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0 0 22px; font: 400 0.8rem/1 var(--font-mono); letter-spacing: 0.08em; color: var(--muted); }
.crumbs a { color: var(--muted); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.crumbs li + li::before { content: '/'; margin-right: 8px; opacity: 0.5; }

/* ── article ── */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; transform-origin: 0 50%; transform: scaleX(0); background: linear-gradient(90deg, var(--amber), var(--vfd)); z-index: 60; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 56px; align-items: start; }
@media (max-width: 1000px) { .article-layout { grid-template-columns: 1fr; } .toc { display: none; } }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; color: var(--muted); font-size: 0.9rem; margin-top: 18px; }
.chip { display: inline-flex; align-items: center; font: 600 0.72rem/1 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; padding: 6px 9px; border-radius: 7px; color: var(--amber-2); background: #2a1c06; border: 1px solid #4a3410; text-decoration: none; }
.tldr { border: 1px solid #0d3427; background: linear-gradient(135deg, #04140f, var(--surface)); border-radius: var(--radius); padding: 22px 24px; margin: 0 0 30px; }
.tldr .k { font: 400 0.75rem/1 var(--font-mono); letter-spacing: 0.2em; color: var(--vfd); margin-bottom: 10px; display: block; }
.tldr p { margin: 0; color: var(--text); font-size: 1.05rem; }
.tldr ul { margin: 14px 0 0; padding-left: 1.1em; color: var(--text-2); }
.tldr li { margin: 4px 0; }
.prose { font-size: 1.07rem; color: var(--text-2); }
.prose h2 { font-size: clamp(1.5rem, 2.6vw, 1.95rem); margin: 2em 0 0.6em; }
.prose h3 { margin: 1.6em 0 0.5em; }
.prose p, .prose li { color: var(--text-2); }
.prose strong { color: #fff; }
.prose li { margin: 0.35em 0; }
.prose blockquote { margin: 1.6em 0; padding: 4px 0 4px 20px; border-left: 3px solid var(--amber); color: var(--text); font-style: italic; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.5em 0; font-size: 0.95rem; display: block; overflow-x: auto; }
.prose th, .prose td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prose th { font: 600 0.82rem/1.3 var(--font-tech); letter-spacing: 0.06em; color: #fff; background: var(--surface); text-transform: uppercase; }
.prose .callout { border: 1px solid var(--line-2); background: var(--surface); border-radius: var(--radius-sm); padding: 16px 20px; margin: 1.6em 0; }
.prose .callout p { margin: 0; }
.calc { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 6px 16px; margin: 1.4em 0; padding: 16px 20px; border-radius: 14px; background: radial-gradient(120% 120% at 80% 30%, #0c3b2c, var(--vfd-bg) 70%); border: 4px solid #0a0b0c; box-shadow: inset 0 6px 20px rgba(0,0,0,0.7); font-family: var(--font-mono); }
.calc span { color: var(--vfd-2); font-size: 0.98rem; }
.calc strong { color: var(--vfd) !important; font-weight: 400; font-size: 1.35rem; text-shadow: 0 0 10px rgba(45,251,177,0.6); margin-left: auto; }
.toc { position: sticky; top: 96px; border-left: 1px solid var(--line); padding-left: 20px; }
.toc .k { font: 400 0.75rem/1 var(--font-mono); letter-spacing: 0.2em; color: var(--muted); display: block; margin-bottom: 14px; }
.toc ol { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 4px; }
.toc a { color: var(--muted); text-decoration: none; font-size: 0.9rem; line-height: 1.4; display: block; padding: 5px 0; transition: color 0.2s, transform 0.2s; }
.toc a:hover, .toc a.on { color: #fff; }
.toc a.on { transform: translateX(4px); }
.toc a.on::before { content: '▸ '; color: var(--amber-2); }
.toc-cta { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: 18px; }
.toc-cta strong { font: 700 1rem/1.3 var(--font-tech); color: #fff; display: block; margin-bottom: 6px; }
.toc-cta p { font-size: 0.86rem; color: var(--muted); margin: 0 0 14px; }
.author { display: flex; gap: 16px; align-items: center; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-top: 40px; }
.author p { margin: 0; font-size: 0.93rem; color: var(--text-2); }
.author strong { color: #fff; }

/* blog list */
.post-card { display: flex; flex-direction: column; height: 100%; }
.post-card .thumb { aspect-ratio: 16 / 9; border-radius: 12px; margin: -10px -10px 20px; overflow: hidden; position: relative; background: var(--vfd-bg); display: grid; place-items: center; }
.post-card .thumb span { font: 400 clamp(1rem, 2vw, 1.25rem)/1.2 var(--font-mono); color: var(--vfd); text-shadow: 0 0 12px rgba(93,255,200,0.55); padding: 0 18px; text-align: center; position: relative; z-index: 1; }
.post-card .thumb::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(0,0,0,0.5) 0.6px, transparent 0.8px); background-size: 3px 3px; }
.post-card .thumb.amber { background: radial-gradient(circle at 70% 30%, #3c2006, #120902); }
.post-card .thumb.amber span { color: #ffc14d; text-shadow: 0 0 12px rgba(255,170,30,0.6); }
.post-card .thumb.lcd { background: linear-gradient(180deg, #a3b39a, #8fa087); }
.post-card .thumb.lcd span { color: #1d2a1f; text-shadow: none; }
.post-card .thumb.lcd::before { display: none; }
.post-card h3 { font-size: 1.18rem; margin: 10px 0 8px; }
.post-card p { font-size: 0.95rem; flex: 1; }
.post-card .date { font: 400 0.8rem/1 var(--font-mono); color: var(--muted); margin-top: 16px; letter-spacing: 0.06em; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 30px; }
.filters button { font: 600 0.85rem/1 var(--font-tech); letter-spacing: 0.04em; padding: 10px 14px; border-radius: 10px; color: var(--text-2); background: var(--surface); border: 1px solid var(--line); cursor: pointer; transition: all 0.2s; }
.filters button[aria-pressed='true'] { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); }
.post-grid > [hidden] { display: none; }

/* currency pages */
.rate-box { border-radius: 22px; padding: 26px; border: 6px solid #0a0b0c; background: radial-gradient(120% 120% at 80% 20%, #0c3b2c, var(--vfd-bg) 70%); box-shadow: inset 0 10px 30px rgba(0,0,0,0.7), 0 30px 60px -30px #000; font-family: var(--font-mono); color: var(--vfd); position: relative; overflow: hidden; }
.rate-box::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(0,0,0,0.5) 0.6px, transparent 0.8px); background-size: 3px 3px; pointer-events: none; }
.rate-box .top { display: flex; justify-content: space-between; font-size: 0.75rem; letter-spacing: 0.14em; color: var(--vfd-2); position: relative; }
.rate-box .big { font-size: clamp(1.35rem, 2.6vw, 2.2rem); margin: 18px 0 6px; text-shadow: 0 0 14px rgba(45,251,177,0.7); position: relative; }
.rate-box .inv { color: var(--vfd-2); position: relative; }
.rate-box label { display: block; margin-top: 22px; font-size: 0.72rem; letter-spacing: 0.16em; color: var(--vfd-2); position: relative; }
.rate-box .conv { display: flex; gap: 10px; align-items: center; margin-top: 8px; position: relative; flex-wrap: wrap; }
.rate-box input { width: 150px; font: 400 1.3rem/1 var(--font-mono); color: var(--vfd); background: rgba(0,0,0,0.35); border: 1px solid #12382a; border-radius: 10px; padding: 10px 12px; }
.rate-box output { font-size: 1.3rem; color: #fff; }
.rate-box .src { margin-top: 18px; font-size: 0.72rem; color: #1f8f68; position: relative; }
.rate-box .src a { color: var(--vfd-2); }
.amt-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 0.98rem; }
.amt-table td, .amt-table th { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: right; }
.amt-table td:first-child, .amt-table th:first-child { text-align: left; }
.amt-table th { font: 600 0.78rem/1 var(--font-tech); letter-spacing: 0.08em; color: var(--muted); text-transform: uppercase; }
.cur-grid a { display: flex; align-items: center; gap: 12px; padding: 16px 18px; }
.cur-grid .fl { font-size: 1.7rem; }
.cur-grid b { display: block; font: 700 1rem/1.2 var(--font-tech); color: #fff; }
.cur-grid small { color: var(--muted); }
.pair-links { display: flex; flex-wrap: wrap; gap: 8px; }
.pair-links a { font: 400 0.88rem/1 var(--font-mono); padding: 9px 12px; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); color: var(--text-2); text-decoration: none; transition: border-color 0.2s, color 0.2s; }
.pair-links a:hover { color: #fff; border-color: var(--amber); }

/* fact table (about / press) */
.facts { width: 100%; border-collapse: collapse; }
.facts th, .facts td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.facts th { width: 34%; font: 600 0.85rem/1.4 var(--font-tech); letter-spacing: 0.04em; color: var(--muted); }
.facts td { color: var(--text); }

/* ── footer ── */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 64px 0 40px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 32px; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: repeat(2, 1fr); } .foot-grid > :first-child { grid-column: 1 / -1; } }
.site-footer h2 { font: 600 0.78rem/1 var(--font-mono); letter-spacing: 0.2em; color: var(--muted); text-transform: uppercase; margin: 0 0 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; }
.site-footer a { color: var(--text-2); text-decoration: none; font-size: 0.94rem; }
.site-footer a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid var(--line); margin-top: 48px; padding-top: 24px; color: var(--muted); font-size: 0.85rem; }
.foot-bottom a { color: var(--muted); }

/* mobile sticky install bar */
.install-bar { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 40; display: none; align-items: center; gap: 12px; padding: 10px 10px 10px 14px; border-radius: 18px; background: rgba(21,23,27,0.94); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border: 1px solid var(--line-2); box-shadow: 0 20px 40px -10px rgba(0,0,0,0.8); transform: translateY(140%); transition: transform 0.5s var(--ease-out); }
.install-bar.show { transform: none; }
.install-bar .mark { width: 40px; height: 40px; flex: none; }
.install-bar div { flex: 1; min-width: 0; line-height: 1.25; }
.install-bar b { display: block; font: 700 0.95rem/1.2 var(--font-tech); color: #fff; }
.install-bar small { color: var(--muted); font-size: 0.78rem; }
.install-bar .x { background: none; border: 0; color: var(--muted); font-size: 1.3rem; cursor: pointer; width: 40px; height: 40px; }
@media (max-width: 760px) { .install-bar { display: flex; } }

/* ── scroll reveal ── */
.js .rv { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out); transition-delay: calc(var(--d, 0) * 90ms); }
.js .rv.in { opacity: 1; transform: none; }
.js .rv-scale { opacity: 0; transform: scale(0.94) translateY(20px); transition: opacity 1s var(--ease-out), transform 1.1s var(--ease-out); }
.js .rv-scale.in { opacity: 1; transform: none; }
.js .split-words .w-i { display: inline-block; opacity: 0; transform: translateY(0.6em) rotate(2deg); filter: blur(6px); transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out), filter 0.8s; transition-delay: calc(var(--i) * 55ms + 100ms); }
.js .split-words.in .w-i { opacity: 1; transform: none; filter: none; }
.counter { font: 700 clamp(2.4rem, 5vw, 3.4rem)/1 var(--font-tech); color: #fff; }
.counter + p { color: var(--muted); margin-top: 8px; font-size: 0.95rem; }
.stat { padding: 24px; border-left: 1px solid var(--line); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .device { transform: none; }
  .js .rv, .js .rv-scale, .js .split-words .w-i { opacity: 1; transform: none; filter: none; }
}

/* fixes */
.toc .btn, .toc .btn:hover { color: var(--amber-ink); display: flex; padding: 11px 14px; transform: none; }
.toc .btn.on::before { content: none; }
.vfd-top { gap: 8px; }
@media (max-width: 430px) { .vfd-top [data-rate] { display: none; } }
/* the hero calculator is a looping preview, not an input */
.device .key { pointer-events: none; cursor: default; }
.device .key:not(.curk) { display: grid; place-items: center; }
.device-hint a { color: var(--muted); text-decoration: none; transition: color 0.2s; }
.device-hint a:hover { color: var(--amber-2); }
@media (max-width: 400px) { .set-picker { gap: 8px; } .swatch { width: 40px; height: 36px; } }
.btn { text-align: center; }