/* SilverLayer developer-build page
   Palette sampled from the app UI: near-black canvas, neutral dark panels,
   and the steel blue-grey of an active tool button as the only accent. */

:root {
  --bg: #0e0f10;          /* canvas */
  --bg-2: #151617;
  --surface: #1c1d1f;     /* panel */
  --card: #212224;
  --fg: #e9ebed;
  --fg-2: #c3c7cb;
  --muted: #878d93;
  --dim: #5a6065;
  --line: #2a2c2f;
  --hair: rgba(233, 235, 237, 0.09);
  --invert: #0e0f10;
  --accent: #909dae;      /* active tool */
  --accent-soft: rgba(144, 157, 174, 0.16);
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", Consolas, ui-monospace, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* grid */
  --gutter: 24px;
  --wrap: min(1120px, calc(100% - 2 * var(--gutter)));
  --r: 12px;
  --r-lg: 16px;
  --nav: 60px;
  --sec: 112px;          /* vertical rhythm between sections */
  --head: 40px;          /* section head to content */
  --pad: 28px;           /* card padding */
  --gap: 12px;           /* grid gap */
}
@media (max-width: 640px) {
  :root { --gutter: 16px; --sec: 72px; --head: 28px; --pad: 20px; --gap: 10px; --nav: 56px; }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
code {
  font-family: var(--mono);
  font-size: 0.85em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1px 6px;
}
.wrap { width: var(--wrap); margin: 0 auto; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.03em; line-height: 1.1; }
p { margin: 0; }

/* ---------- grain (very light, cold) ---------- */
.grain-defs { position: absolute; width: 0; height: 0; }
.grain {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  pointer-events: none;
  z-index: 1;
  opacity: 0.035;
  filter: url(#grain);
  background: #000;
  animation: grain 0.6s steps(3) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); }
  33% { transform: translate(-2%, 1%); }
  66% { transform: translate(1%, -2%); }
  100% { transform: translate(0, 0); }
}
@media (prefers-reduced-motion: reduce) { .grain { animation: none; } }

.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 12px; z-index: 99; background: var(--fg); color: var(--invert); padding: 8px 12px; }

/* ---------- type ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}
.dot {
  flex: none;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.lede { max-width: 36rem; color: var(--fg-2); font-size: 17px; }
.fine {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  letter-spacing: 0.01em;
  line-height: 1.6;
}
.section-head { margin: 0 0 var(--head); }
.section-head h2 {
  font-size: clamp(30px, 4.6vw, 52px);
  letter-spacing: -0.035em;
  margin: 0 0 12px;
}
.section-head .lede { margin-top: 2px; }
h3 { font-size: 19px; letter-spacing: -0.02em; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--fg);
  color: var(--invert);
  border: 1px solid var(--fg);
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 550;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.25s var(--ease), background 0.2s, border-color 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn--ghost { background: var(--surface); color: var(--fg); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--accent); }
.btn--sm { padding: 7px 13px; font-size: 13px; border-radius: 8px; }
.btn--dl {
  text-align: left;
  padding: 14px 20px 14px 16px;
  border-radius: var(--r);
  width: 100%;
  max-width: 340px;
}
.btn--dl svg { width: 22px; height: 22px; fill: currentColor; flex: none; }
.btn--dl span { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.btn--dl strong { font-weight: 600; font-size: 15px; }
.btn--dl small { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.01em; opacity: 0.7; line-height: 1.4; }
.btn.is-missing { animation: shake 0.3s var(--ease) 2; }
@keyframes shake { 0%,100% { transform: translateX(0); } 50% { transform: translateX(-4px); } }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 max(var(--gutter), calc((100% - 1120px) / 2));
  background: rgba(14, 15, 16, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.02em; font-size: 15px; min-width: 0; }
.nav__brand img { width: 28px; height: 28px; border-radius: 7px; flex: none; }
.nav__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(144, 157, 174, 0.4);
  border-radius: 6px;
  padding: 3px 7px;
  margin-left: 2px;
  white-space: nowrap;
}
.nav__links { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.nav__links a:hover { color: var(--fg); }
@media (max-width: 900px) { .nav__links { display: none; } }
@media (max-width: 360px) { .nav__tag { display: none; } }

section[id], .hero { scroll-margin-top: calc(var(--nav) + 12px); }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s var(--ease), transform 0.8s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- hero ---------- */
.hero {
  position: relative;
  text-align: center;
  padding: 88px 0 0;
  overflow: hidden;
}
.hero__glow {
  position: absolute;
  left: 50%;
  top: -260px;
  width: 1000px;
  height: 640px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(144, 157, 174, 0.16), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero .eyebrow { justify-content: center; max-width: 100%; }
@media (max-width: 640px) {
  .hero .eyebrow { align-items: flex-start; text-align: left; }
  .hero .dot { margin-top: 5px; }
  .hero h1 { font-size: 38px; }
}
.hero h1 {
  font-size: clamp(40px, 7.4vw, 88px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  margin: 0 auto 22px;
  max-width: 14ch;
  background: linear-gradient(180deg, #ffffff 0%, #d7dbe0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 .h1-dim { color: var(--muted); -webkit-text-fill-color: var(--muted); font-weight: 500; }
.hero .lede { margin: 0 auto 32px; }
.hero__cta {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--gap);
  margin: 0 auto 16px;
  max-width: 700px;
}
.hero__cta .btn--dl { flex: 1 1 300px; max-width: 344px; }
.hero .fine { margin: 0 auto 64px; max-width: 44rem; }

@media (max-width: 640px) {
  .hero { padding-top: 48px; }
  .hero h1 { margin-bottom: 18px; }
  .hero .lede { font-size: 16px; margin-bottom: 26px; }
  .hero .fine { margin-bottom: 44px; }
  .hero__cta .btn--dl { flex-basis: 100%; max-width: none; }
}

/* ---------- layer stack loop ----------
   One 10 s timeline, shared by every element (percent keyframes).
   Layers get a stagger via animation-delay = --i * 0.3 s.
     0- 4 %  photo alone
     4-12 %  layer drops in and hovers above the stack
    12-50 %  stack holds (slight drift)
    50-62 %  bake: layers press down into the photo
    56-78 %  photo picks up each look, scan line sweeps across
    78-90 %  finished frame holds
    90-100% everything fades back to the start                      */
.stack {
  /* layer spacing and drop height scale with the viewport; the top margin
     reserves the room the stack rises into (5 layers * --z, projected) */
  --z: clamp(22px, 3vw, 44px);
  --drop: clamp(120px, 18vw, 260px);
  margin: calc(var(--z) * 5 + 24px) auto 0;
  width: min(880px, 100%);
  perspective: 1500px;
}
.stack__scene {
  position: relative;
  height: clamp(240px, 42vw, 440px);
  transform-style: preserve-3d;
  transform: rotateX(56deg) rotateZ(-26deg) scale(0.92);
  animation: scene-drift 10s ease-in-out infinite;
}
@keyframes scene-drift {
  0%, 100% { transform: rotateX(56deg) rotateZ(-26deg) scale(0.92); }
  50%      { transform: rotateX(54deg) rotateZ(-23deg) scale(0.94); }
}
.plate {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(340px, 40%);
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  transform: translate(-50%, -50%) translateZ(0);
  transform-style: preserve-3d;
  overflow: hidden;
}

/* base photo */
.plate--bg { background: #0a0a0b; box-shadow: 0 50px 100px rgba(0, 0, 0, 0.7); }
.photo {
  position: absolute; inset: 0;
  background: #0a0a0b url("assets/layer-photo.jpg") center / cover no-repeat;
}
/* wide bloom around the stage light (top right of the frame) */
.photo::before {
  content: "";
  position: absolute; inset: -20%;
  background: radial-gradient(38% 26% at 60% 22%, rgba(235, 240, 246, 0.55), rgba(190, 202, 215, 0.18) 45%, transparent 72%);
  filter: blur(30px);
  mix-blend-mode: screen;
  animation: bloom 10s ease-in-out infinite;
}
@keyframes bloom {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}
/* silver emulsion: fine grain plus a faint diagonal sheen */
.photo::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(115deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0) 28%, rgba(255,255,255,0.06) 52%, rgba(255,255,255,0) 70%, rgba(255,255,255,0.1) 100%),
    #808080;
  filter: url(#grain) contrast(1.15);
  mix-blend-mode: overlay;
  opacity: 0.18;
}
.fx { position: absolute; inset: 0; opacity: 0; pointer-events: none; animation: fx-in 10s linear infinite; }
@keyframes fx-in {
  0%, 56%  { opacity: 0; }
  78%, 90% { opacity: var(--fx, 1); }
  97%, 100% { opacity: 0; }
}
.fx--film { --fx: 1; background: linear-gradient(160deg, rgba(120, 150, 185, 0.28), rgba(40, 50, 60, 0.1) 50%, rgba(210, 190, 160, 0.16)); mix-blend-mode: soft-light; }
.fx--film::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.12), transparent 40%, rgba(0,0,0,0.28)); }
.fx--halation { --fx: 1; background: radial-gradient(44% 40% at 62% 22%, rgba(255, 238, 224, 0.8), rgba(255, 205, 178, 0.25) 50%, transparent 78%); filter: blur(14px); mix-blend-mode: screen; }
.fx--grain { --fx: 0.5; filter: url(#grain); mix-blend-mode: overlay; background: #808080; }
.fx--dust { --fx: 0.7; background: url("assets/layer-dust.webp") center / cover no-repeat; }
.fx--border { --fx: 1; box-shadow: inset 0 0 0 7px #f1f2f3; border-radius: 8px; }
.fx--sweep {
  --fx: 1;
  inset: -10% auto -10% -30%;
  width: 18%;
  background: linear-gradient(90deg, transparent, rgba(233, 235, 237, 0.9), transparent);
  filter: blur(4px);
  mix-blend-mode: screen;
  animation: sweep 10s linear infinite;
}
@keyframes sweep {
  0%, 56%   { transform: translateX(0) skewX(-12deg); opacity: 0; }
  58%       { opacity: 1; }
  76%       { transform: translateX(720%) skewX(-12deg); opacity: 1; }
  77%, 100% { transform: translateX(720%) skewX(-12deg); opacity: 0; }
}

/* layers: each one looks like what it does, no text */
.plate--layer {
  border: 1px solid rgba(233, 235, 237, 0.28);
  background: linear-gradient(135deg, rgba(233, 235, 237, 0.07), rgba(233, 235, 237, 0.02));
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  opacity: 0;
  animation: layer-cycle 10s cubic-bezier(0.22, 1, 0.36, 1) infinite;
  animation-delay: calc(var(--i) * 0.3s);
}
@keyframes layer-cycle {
  0%, 4%   { transform: translate(-50%, -50%) translateZ(calc(var(--i) * var(--z) + var(--drop))) translateX(calc(var(--i) * -6px)); opacity: 0; }
  12%      { transform: translate(-50%, -50%) translateZ(calc(var(--i) * var(--z))) translateX(calc(var(--i) * -6px)); opacity: 1; }
  50%      { transform: translate(-50%, -50%) translateZ(calc(var(--i) * var(--z))) translateX(calc(var(--i) * -6px)); opacity: 1; }
  58%      { transform: translate(-50%, -50%) translateZ(calc(var(--i) * 4px)) translateX(0); opacity: 0.9; }
  62%, 100% { transform: translate(-50%, -50%) translateZ(0) translateX(0); opacity: 0; }
}
.layer--film { background: linear-gradient(160deg, rgba(120, 150, 185, 0.32), rgba(233, 235, 237, 0.03) 50%, rgba(210, 190, 160, 0.22)); }
.layer--halation { background: radial-gradient(34% 30% at 62% 22%, rgba(255, 236, 220, 0.8), rgba(255, 200, 170, 0.15) 55%, rgba(233, 235, 237, 0.03) 80%); }
.layer--grain { background: rgba(110, 116, 122, 0.22); }
.layer--grain::after { content: ""; position: absolute; inset: 0; filter: url(#grain); opacity: 0.55; background: #808080; mix-blend-mode: overlay; }
.layer--dust { background: url("assets/layer-dust.webp") center / cover no-repeat, linear-gradient(135deg, rgba(233, 235, 237, 0.07), rgba(233, 235, 237, 0.02)); }
.layer--border { background: transparent; box-shadow: inset 0 0 0 7px rgba(241, 242, 243, 0.9), 0 24px 48px rgba(0, 0, 0, 0.45); }

/* ground shadow pulses as the stack lands */
.stack__shadow {
  position: absolute;
  left: 50%; top: 50%;
  width: min(360px, 44%);
  aspect-ratio: 2 / 3;
  transform: translate(-50%, -50%) translateZ(-2px);
  border-radius: 12px;
  background: radial-gradient(closest-side, rgba(0, 0, 0, 0.8), transparent);
  filter: blur(18px);
  animation: shadow-pulse 10s ease-in-out infinite;
}
@keyframes shadow-pulse {
  0%, 50%  { opacity: 0.5; transform: translate(-50%, -50%) translateZ(-2px) scale(1); }
  62%      { opacity: 1;   transform: translate(-50%, -50%) translateZ(-2px) scale(1.08); }
  90%, 100% { opacity: 0.5; transform: translate(-50%, -50%) translateZ(-2px) scale(1); }
}

@media (max-width: 640px) {
  .stack__scene { height: 230px; transform: rotateX(56deg) rotateZ(-22deg) scale(0.8); animation: none; }
  .plate { width: 56%; }
}
@media (prefers-reduced-motion: reduce) {
  .stack__scene, .plate--layer, .fx, .fx--sweep, .stack__shadow { animation: none; }
  .plate--layer { opacity: 1; transform: translate(-50%, -50%) translateZ(calc(var(--i) * var(--z))) translateX(calc(var(--i) * -6px)); }
  .fx { opacity: var(--fx, 1); }
  .fx--sweep { opacity: 0; }
}

/* ---------- shared card ---------- */
.notice, .tier, .fact, .spec, .machine {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--surface);
}

/* ---------- about ---------- */
.about { padding: var(--sec) 0 0; }
.about__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.notice { padding: var(--pad); }
.notice h3 { margin: 0 0 10px; font-size: 21px; }
.notice p { color: var(--fg-2); font-size: 15px; }
.notice strong { color: var(--fg); }

/* ---------- polish list ---------- */
.polish { padding: var(--sec) 0 0; }
.todo { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.todo li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}
.todo__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--dim);
  padding-top: 5px;
}
.todo h3 { margin: 0 0 8px; font-size: 21px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.todo p { color: var(--fg-2); max-width: 56rem; font-size: 15.5px; }
.todo p strong { color: var(--fg); }
.todo li.todo--feedback {
  background: linear-gradient(90deg, var(--accent-soft), transparent 60%);
  margin: 0 calc(-1 * var(--gutter));
  padding-left: var(--gutter);
  padding-right: var(--gutter);
  border-radius: var(--r);
}
.pill {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--invert);
  background: var(--accent);
  border-radius: 6px;
  padding: 4px 8px;
  font-weight: 500;
}
@media (max-width: 640px) {
  .todo li { grid-template-columns: 1fr; gap: 6px; padding: 22px 0; }
  .todo h3 { font-size: 19px; }
  .todo p { font-size: 15px; }
}

/* ---------- requirements ---------- */
.req { padding: var(--sec) 0 0; }
.req__grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--gap); align-items: start; }
.spec { margin: 0; overflow: hidden; }
.spec > div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  padding: 18px var(--pad);
  border-bottom: 1px solid var(--line);
}
.spec > div:last-child { border-bottom: 0; }
.spec dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); padding-top: 4px; }
.spec dd { margin: 0; color: var(--fg-2); font-size: 15px; }
.spec dd strong { color: var(--fg); }

.machine {
  padding: var(--pad);
  background: linear-gradient(180deg, var(--card), var(--surface));
  border-color: rgba(144, 157, 174, 0.35);
}
.machine h3 { font-size: 24px; margin: 0 0 16px; }
.machine ul { list-style: none; margin: 0 0 16px; padding: 0; font-family: var(--mono); font-size: 13px; color: var(--fg); }
.machine li { padding: 9px 0; border-top: 1px solid var(--line); }
.machine li:last-child { border-bottom: 1px solid var(--line); }
.machine__note { color: var(--fg-2); font-size: 14.5px; }
.machine__note--dim { margin-top: 12px; color: var(--dim); font-size: 13px; }

/* ---------- files ---------- */
.files { padding: var(--sec) 0 0; }
.files__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.tier { padding: var(--pad); }
.tier--heavy { border-color: rgba(144, 157, 174, 0.35); background: linear-gradient(180deg, var(--card), var(--surface)); }
.tier__label {
  display: flex; align-items: center; gap: 10px;
  margin: 0 0 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.bar { flex: none; display: inline-grid; grid-template-columns: repeat(3, 7px); gap: 2px; }
.bar::before, .bar::after, .bar i { content: ""; display: block; height: 8px; border-radius: 2px; background: var(--line); }
.bar--1::before { background: var(--accent); }
.bar--2::before, .bar--2::after { background: var(--accent); }
.bar--3::before, .bar--3::after, .bar--3 i { background: var(--accent); }
.tier h3 { margin: 0 0 10px; font-size: 18px; line-height: 1.25; }
.tier p { color: var(--fg-2); font-size: 14.5px; }
.files__neg {
  margin: var(--gap) 0 0;
  padding: 18px var(--pad);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-lg);
  background: var(--surface);
  color: var(--fg-2);
  font-size: 15px;
}
.files__neg strong { color: var(--fg); }

/* ---------- import ---------- */
.import { padding: var(--sec) 0 0; }
.pipe { position: relative; margin: 8px 0 0; }
.pipe__line {
  position: absolute;
  left: 0; right: 0; top: 21px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), rgba(144, 157, 174, 0.15) 70%, transparent);
}
.pipe__steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.pipe__steps li { position: relative; padding-top: 58px; }
.pipe__n {
  position: absolute; left: 0; top: 0;
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
  box-shadow: 0 0 0 6px var(--bg);
}
.pipe__steps h3 { margin: 0 0 6px; font-size: 16px; }
.pipe__steps p { color: var(--muted); font-size: 14px; }

.import__facts { display: grid; grid-template-columns: 1fr 1.1fr; gap: var(--gap); margin-top: 44px; }
.fact { padding: var(--pad); }
.fact h3 { margin: 0 0 12px; font-size: 19px; }
.fact ul { margin: 0; padding-left: 1.1rem; color: var(--fg-2); font-size: 15px; }
.fact li { margin: 0.45rem 0; }
.fact table { width: 100%; border-collapse: collapse; font-size: 14px; }
.fact th { text-align: left; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); font-weight: 500; padding: 0 0 10px; border-bottom: 1px solid var(--line); }
.fact td { padding: 10px 0; border-bottom: 1px solid var(--line); color: var(--fg-2); vertical-align: top; }
.fact td:first-child { color: var(--fg); padding-right: 8px; }
.fact td + td, .fact th + th { font-family: var(--mono); font-size: 12.5px; padding-left: 10px; white-space: nowrap; }
.fact__note { margin: 14px 0 0; color: var(--muted); font-size: 14px; }

@media (max-width: 980px) {
  .pipe__steps { grid-template-columns: repeat(2, 1fr); row-gap: 26px; }
  .pipe__line { display: none; }
  .pipe__steps li { padding-top: 0; padding-left: 56px; min-height: 42px; }
}
@media (max-width: 640px) {
  .pipe__steps { grid-template-columns: 1fr; row-gap: 22px; }
  .fact table { font-size: 13.5px; }
  .fact td + td, .fact th + th { font-size: 12px; white-space: normal; }
}

/* ---------- feedback ---------- */
.feedback { padding: var(--sec) 0 0; }
.feedback__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.fb { background: var(--surface); padding: var(--pad); }
.fb h3 { margin: 0 0 8px; font-size: 18px; }
.fb p { color: var(--fg-2); font-size: 15px; }
.feedback__send { margin: 24px 0 0; font-size: 20px; color: var(--fg-2); letter-spacing: -0.02em; font-weight: 500; }

/* ---------- end download ---------- */
.dl-end { text-align: center; padding: var(--sec) 0 calc(var(--sec) * 0.9); position: relative; overflow: hidden; }
.dl-end::before {
  content: "";
  position: absolute; left: 50%; bottom: -320px;
  width: 900px; height: 600px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(144, 157, 174, 0.14), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.dl-end .wrap { position: relative; }
.dl-end .eyebrow { justify-content: center; }
.dl-end h2 { font-size: clamp(36px, 6.4vw, 76px); letter-spacing: -0.045em; line-height: 0.98; margin: 0 0 28px; }
.dl-end .hero__cta { margin-bottom: 18px; }
.dl-end .fine { max-width: 40rem; margin: 0 auto; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 28px 0 44px; font-size: 14px; }
.foot .wrap { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }
.foot p { margin: 4px 0 0; color: var(--muted); }

/* ---------- responsive grids ---------- */
@media (max-width: 980px) {
  .files__grid { grid-template-columns: repeat(2, 1fr); }
  .req__grid, .import__facts { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .about__grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .files__grid, .feedback__grid { grid-template-columns: 1fr; }
  .spec > div { grid-template-columns: 1fr; gap: 4px; padding: 16px var(--pad); }
  .foot .wrap { flex-direction: column; align-items: flex-start; }
  .lede { font-size: 16px; }
}


/* ---- Install notes ---- */
.install { padding: var(--sec) 0 0; }
.install__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin: 32px 0 20px; }
.install__card { padding: 24px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.03); }
.install__card h3 { margin: 0 0 12px; }
.install__card ol { margin: 0; padding-left: 20px; display: grid; gap: 8px; line-height: 1.5; }
.install__card code { font-size: .9em; word-break: break-all; }

/* patch notes */
.notes .todo p + p { margin-top: 10px; }

/* ---------- coming-soon page ---------- */
.soon { min-height: 100vh; display: flex; flex-direction: column; }
.soon__main { flex: 1; }
.soon .hero { padding-top: 56px; }
.soon__brand { display: inline-flex; align-items: center; gap: 12px; margin: 0 0 28px; font-weight: 600; letter-spacing: -0.02em; font-size: 18px; }
.soon__brand img { border-radius: 8px; }
.soon .hero .lede { margin-bottom: 40px; }
.soon__label {
  margin: 56px 0 0; text-align: center; font-family: var(--mono); font-weight: 500;
  font-size: clamp(22px, 4.4vw, 40px); letter-spacing: 0.42em; padding-left: 0.42em; color: var(--fg);
}
.soon__label::before, .soon__label::after { content: ""; display: block; width: 56px; height: 1px; background: var(--line); margin: 0 auto; }
.soon__label::before { margin-bottom: 26px; }
.soon__label::after { margin-top: 26px; }
.soon .stack { margin-bottom: 0; }