/* =====================================================================
   Document Finder — Product page
   Warm "paper" palette with a blue-green accent sampled from the app logo.
   ===================================================================== */

:root {
  /* TYPE */
  --font-display: "Newsreader", "Source Serif Pro", "Iowan Old Style", Georgia, serif;
  --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Menlo, ui-monospace, monospace;

  /* Paper theme (the marketing palette) */
  --bg:      #f5f1e8;
  --canvas:  #fbf8f1;
  --card:    #ffffff;
  --card-2:  #f9f5ec;
  --ink:     #1a1815;
  --ink-2:   #4a463d;
  --ink-3:   #7c766b;
  --ink-4:   #b0aa9d;
  --line:    #e6dfd0;
  --line-2:  #d6cdb9;
  --hover:   #f0ead9;

  /* Blue-green accent — sampled from the app logo's teal gradient stop */
  --accent:  #1f9488;
  --accent-fg: #fbf8f1;
  --accent-soft: #d9efe9;
  --accent-ring: rgba(31,148,136,.18);

  --ok:      #4b7c3a;
  --warn:    #b4861e;
  --bad:     #a13a2a;

  /* Source colors — match app */
  --src-arxiv:    #c25a3a;
  --src-openalex: #2e6e7e;
  --src-semantic: #7a4ea3;
  --src-europepmc:#2f7d6b;
  --src-ia:       #6b6033;
  --src-doaj:     #3f7a4d;
  --src-zenodo:   #3457a6;
  --src-gut:      #a85577;
  --src-web:      #4a6280;
  --src-searxng:  #6a4a98;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-ui);
  font-feature-settings: "cv02", "cv11", "ss01";
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 15px;
  line-height: 1.55;
  /* layered paper texture — tints sampled from the logo gradient */
  background-image:
    radial-gradient(at 12% 8%, rgba(31,148,136,0.05) 0, transparent 40%),
    radial-gradient(at 88% 18%, rgba(82,200,111,0.04) 0, transparent 40%),
    radial-gradient(at 50% 92%, rgba(109,159,202,0.04) 0, transparent 45%);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ============== Section heads ============== */
.sec-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.sec-head.center { text-align: center; margin-left: auto; margin-right: auto; }

.sec-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(36px, 4.5vw, 56px);
  line-height: 1.04;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 0;
}
.sec-title em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
  font-feature-settings: "ss01";
}
.sec-sub {
  margin: 18px 0 0;
  font-size: 17px;
  color: var(--ink-2);
  max-width: 560px;
  line-height: 1.55;
}

/* ============== Buttons ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 0.5px solid var(--line-2);
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  transition: all 140ms ease;
  white-space: nowrap;
  cursor: pointer;
}
.btn:hover { background: var(--hover); border-color: var(--ink-4); }
.btn.primary {
  background: var(--ink);
  color: var(--canvas);
  border-color: var(--ink);
}
.btn.primary:hover { background: var(--ink-2); }
.btn.accent {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  font-weight: 600;
  padding: 13px 22px;
  box-shadow: 0 1px 0 rgba(0,0,0,.06), 0 6px 18px -10px rgba(31,148,136,.55);
}
.btn.accent:hover { filter: brightness(1.06); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--hover); }
.btn.sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }

/* ============== Nav ============== */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245, 241, 232, 0.82); /* #f5f1e8 @ .82 — explicit, no oklch hue cast */
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 0.5px solid var(--line);
}
.nav-row {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 14px 32px;
  height: 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: block;
  flex-shrink: 0;
}
.brand-mark.sm { width: 22px; height: 22px; border-radius: 6px; }
.brand-name {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand-name em {
  font-style: normal;
  font-weight: 400;
  color: var(--ink-3);
}
.nav-links {
  display: flex;
  gap: 24px;
  font-size: 13.5px;
  color: var(--ink-2);
  font-weight: 500;
  margin-left: 4px;
}
.nav-links a { transition: color 120ms; }
.nav-links a:hover { color: var(--accent); }
.nav-cta { margin-left: auto; display: flex; gap: 8px; align-items: center; }

/* ============== Hero ============== */
.hero { padding: 72px 0 96px; position: relative; overflow: hidden; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 56px;
  align-items: center;
}
.hero-copy { max-width: 540px; }
.display {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(56px, 7vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--ink);
}
.display em {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.lede {
  margin: 24px 0 0;
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 480px;
}
.hero-cta {
  margin-top: 32px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-meta {
  margin-top: 28px;
  font-size: 12.5px;
  color: var(--ink-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.hero-meta .sep { color: var(--ink-4); }
.hero-meta .mono { color: var(--ink-2); }

/* ============== Hero preview — mini app window ============== */
.hero-preview {
  position: relative;
  display: flex;
  justify-content: flex-end;
}
.hero-preview-tag {
  position: absolute;
  bottom: -28px; right: 12px;
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
}

.mini-window {
  width: 100%;
  max-width: 640px;
  background: var(--bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow:
    0 0 0 0.5px rgba(0,0,0,0.18),
    0 30px 60px -20px rgba(0,0,0,0.28),
    0 8px 24px -8px rgba(0,0,0,0.16);
  transform: rotate(-0.4deg);
  font-size: 11px;
}
.mini-titlebar {
  height: 28px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 6px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  border-bottom: 0.5px solid var(--line);
  position: relative;
}
/* Muted window-chrome dots — tinted to the page palette, not macOS colors. */
.tl { width: 10px; height: 10px; border-radius: 50%; border: 0.5px solid var(--line-2); background: var(--ink-4); opacity: 0.5; }
.mini-title {
  position: absolute; left: 0; right: 0; text-align: center;
  font-size: 10.5px; font-weight: 600; color: var(--ink-2);
}
.mini-body { display: flex; min-height: 480px; }

.mini-side {
  width: 170px;
  background: var(--card-2);
  border-right: 0.5px solid var(--line);
  padding: 12px 0;
  flex-shrink: 0;
}
.mini-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px 14px;
}
.mini-brand-name {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.mini-brand-name em {
  font-style: normal;
  font-weight: 400;
  color: var(--ink-3);
}
.mini-nav { padding: 0 8px; display: flex; flex-direction: column; gap: 2px; }
.mini-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  border: 0;
  background: transparent;
  color: var(--ink-2);
  font-size: 11.5px;
  font-weight: 500;
  text-align: left;
  width: 100%;
}
.mini-nav-item.on {
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 0 0 0.5px var(--line);
}
.mini-nav-item.on svg { color: var(--accent); }
.mini-nav-item svg { color: var(--ink-3); }
.mini-nav-item .ct {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-3);
}
.mini-side-section {
  padding: 18px 14px 6px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.mini-recents { padding: 0 8px; display: flex; flex-direction: column; gap: 1px; }
.mini-recent {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 11px;
  color: var(--ink);
}
.mini-recent .m { font-size: 9.5px; color: var(--ink-3); font-family: var(--font-mono); }
.mini-recent.on { background: var(--card); box-shadow: 0 0 0 0.5px var(--line); }

.mini-main { flex: 1; background: var(--canvas); padding: 16px 18px; min-width: 0; overflow: hidden; }
.mini-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 0.5px solid var(--line);
  margin-bottom: 14px;
}
.mini-head h2 {
  font-family: var(--font-ui);
  font-size: 20px;
  letter-spacing: -0.025em;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}
.mini-headstats { display: flex; gap: 14px; }
.mini-headstats span { display: flex; flex-direction: column; align-items: flex-end; gap: 1px; }
.mini-headstats b {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.mini-headstats u {
  font-size: 8.5px;
  text-decoration: none;
  color: var(--ink-3);
  margin-left: 2px;
}
.mini-headstats i {
  font-style: normal;
  font-size: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.mini-query {
  background: var(--card);
  border-radius: 10px;
  box-shadow: 0 0 0 0.5px var(--line), 0 1px 2px rgba(0,0,0,0.03);
  margin-bottom: 12px;
}
.mini-query-input {
  padding: 12px 14px 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.mini-query-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 8px 12px;
  border-top: 0.5px solid var(--line);
}
.mini-query-bar .hint {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 9.5px;
  color: var(--ink-3);
  flex: 1;
}
.kbd {
  display: inline-flex;
  padding: 0 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  background: var(--card-2);
  border: 0.5px solid var(--line-2);
  border-radius: 3px;
  color: var(--ink-2);
}
.mini-btn {
  padding: 4px 9px;
  border-radius: 5px;
  border: 0.5px solid color-mix(in oklch, var(--bad) 40%, transparent);
  background: transparent;
  color: var(--bad);
  font-size: 10.5px;
  font-weight: 500;
}

.mini-runcard {
  background: var(--card);
  border-radius: 10px;
  box-shadow: 0 0 0 0.5px var(--line);
  overflow: hidden;
}
.mini-run-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 0.5px solid var(--line);
  font-size: 11.5px;
  color: var(--ink);
  font-weight: 500;
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: pulse-anim 1.6s infinite;
}
@keyframes pulse-anim {
  0% { box-shadow: 0 0 0 0 var(--accent-soft); }
  60% { box-shadow: 0 0 0 6px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}
.run-q i {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink-3);
  margin-right: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.run-spacer { flex: 1; }
.run-pct {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
}
.mini-stats {
  display: flex; gap: 18px; align-items: baseline;
  padding: 10px 14px 6px;
  border-bottom: 0.5px solid var(--line);
}
.mini-stats span { display: flex; align-items: baseline; gap: 5px; }
.mini-stats b {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.mini-stats b.ok { color: var(--ok); }
.mini-stats b.bad { color: var(--bad); }
.mini-stats b u {
  text-decoration: none;
  font-size: 8.5px;
  color: var(--ink-3);
  margin-left: 2px;
}
.mini-stats i {
  font-style: normal;
  font-size: 8.5px;
  color: var(--ink-3);
  text-transform: lowercase;
  letter-spacing: 0.06em;
  font-variant: small-caps;
}

.mini-progress {
  height: 3px;
  background: var(--line);
  margin: 0 14px;
}
.mini-progress-fill {
  height: 100%;
  background: var(--accent);
  position: relative;
  overflow: hidden;
}
.mini-progress-fill::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
  animation: shimmer 2s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

.mini-stream { padding: 6px 0 10px; }
.mini-stream-label {
  padding: 8px 14px 4px;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  gap: 6px;
}
.mini-stream-label b { color: var(--ink-2); font-weight: 700; }
.mini-stream-label.saved b { color: var(--ok); }

.mini-doc {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 5px 14px;
  font-size: 10.5px;
}
.mini-doc.inflight {
  border-left: 2px solid var(--c);
  background: color-mix(in oklch, var(--c) 4%, transparent);
  grid-template-columns: 64px 1fr 60px 44px;
}
.mini-doc .src {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 1px 6px 1px 5px;
  border-radius: 99px;
  background: color-mix(in oklch, var(--c) 12%, transparent);
  color: var(--c);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  justify-content: center;
}
.mini-doc .src::before {
  content: "";
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--c);
}
.mini-doc .t {
  color: var(--ink);
  font-size: 10.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.mini-doc .bar {
  height: 2px;
  background: var(--line);
  border-radius: 99px;
  overflow: hidden;
}
.mini-doc .bar i {
  display: block;
  height: 100%;
  background: var(--c);
}
.mini-doc .b {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ink-3);
  text-align: right;
}
.mini-doc .ok {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--ok);
}

/* ============== Generic band ============== */
.band {
  padding: 96px 0;
  border-top: 0.5px solid var(--line);
  position: relative;
}
.band.alt { background: var(--canvas); }

/* ============== Sources ============== */
.srcgrid {
  display: grid;
  /* min(100%, 260px) so the track can never exceed the container — avoids a
     horizontal page scroll on ultra-narrow (Fold-class) viewports. */
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: 12px;
}
.srccard {
  background: var(--card);
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 0 0 0.5px var(--line);
  border-left: 3px solid var(--c);
  transition: transform 200ms ease, box-shadow 200ms ease;
  /* Flex column so the stat footer pins to the bottom and lines up across a row
     even when descriptions differ in length. */
  display: flex;
  flex-direction: column;
}
.srccard > p {
  flex: 1;
}
.srccard:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 0.5px var(--line-2), 0 12px 28px -16px rgba(0,0,0,0.18);
}
.srccard-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}
.srcdot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--c);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--c) 18%, transparent);
  flex-shrink: 0;
  align-self: center;
}
.srcname {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--ink);
}
.srcid {
  font-size: 10.5px;
  color: var(--ink-3);
  margin-left: auto;
  letter-spacing: 0;
}
.srccard p {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.5;
  min-height: 40px;
}
.srcstat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 0.5px dashed var(--line-2);
}
.srcstat b {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--c);
  letter-spacing: -0.01em;
}
.srcstat span {
  font-size: 10.5px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============== Steps / How it works ============== */
.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.step {
  background: var(--card);
  border-radius: 14px;
  padding: 28px 26px 24px;
  box-shadow: 0 0 0 0.5px var(--line);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.step-num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
}
.step h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--ink);
  line-height: 1.1;
}
.step p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}
.step-art {
  /* auto (not a fixed 14px) so the art pins to the bottom of each step and lines
     up across the row even when the steps' body copy differs in length. */
  margin-top: auto;
  background: var(--canvas);
  border-radius: 10px;
  padding: 16px;
  border: 0.5px dashed var(--line-2);
  font-size: 12px;
  color: var(--ink-2);
}
.step-q {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 15px;
  color: var(--ink);
  text-align: center;
  padding: 6px 0;
}
.step-arrow {
  text-align: center;
  font-size: 14px;
  color: var(--ink-4);
  margin: 4px 0;
}
.step-subs { display: flex; flex-direction: column; gap: 6px; }
.step-subs > div {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  align-items: center;
  gap: 8px;
  font-size: 11.5px;
  color: var(--ink-2);
}
.step-subs span:first-child { color: var(--ink-3); font-size: 10px; }
.step-subs .dots { color: var(--accent); font-size: 12px; letter-spacing: 0.08em; }

.step-art.lanes {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 130px;
  padding: 14px;
}
.lane {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  gap: 4px;
  min-width: 0;
  height: 100%;
}
.lane i {
  display: block;
  background: var(--c);
  border-radius: 2px 2px 0 0;
  min-height: 2px;
}
.lane span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--ink-3);
  text-transform: uppercase;
}
.lane b {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  text-align: center;
  color: var(--ink);
}

.folder {
  font-size: 12px;
  color: var(--ink-2);
  line-height: 1.85;
}
.folder .indent { padding-left: 18px; display: flex; gap: 8px; align-items: baseline; }
.folder .indent .m { color: var(--ink-3); font-size: 10.5px; }

/* ============== Features ============== */
.feats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 0 0.5px var(--line);
}
.feat {
  background: var(--card);
  padding: 32px 28px 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.feat-ic {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
}
.feat h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1.15;
  color: var(--ink);
}
.feat p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}

/* ============== Specs ============== */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 0 0 0.5px var(--line);
}
.spec {
  background: var(--card);
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
  align-items: baseline;
}
.spec-k {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.spec-v {
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}
.spec-v.lg {
  font-size: 22px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.spec-v .dim {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--ink-3);
  margin-left: 8px;
  font-weight: 400;
  letter-spacing: 0;
}
.chip {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 99px;
  background: var(--card-2);
  border: 0.5px solid var(--line-2);
  color: var(--ink);
  margin-right: 4px;
}

/* ============== Download ============== */
.band.download { padding: 80px 0 96px; background: var(--canvas); }
.dl-card {
  background: var(--card);
  border-radius: 18px;
  box-shadow:
    0 0 0 0.5px var(--line),
    0 24px 60px -28px rgba(0,0,0,0.2);
  padding: 48px 48px 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.dl-card::before {
  content: "";
  position: absolute;
  inset: 0 50% 0 0;
  background:
    radial-gradient(at 0% 50%, var(--accent-soft) 0%, transparent 60%);
  pointer-events: none;
  opacity: 0.6;
}
.dl-card > * { position: relative; }

.dl-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  background: var(--ink);
  color: var(--canvas);
  padding: 16px 20px;
  border-radius: 12px;
  transition: filter 140ms ease, transform 140ms ease;
}
.dl-btn:hover { filter: brightness(1.1); transform: translateY(-1px); }
.dl-btn .dl-os { display: flex; }
.dl-btn .dl-main { flex: 1; display: flex; flex-direction: column; gap: 2px; }
.dl-btn .dl-main b { font-size: 16px; font-weight: 600; letter-spacing: -0.01em; }
.dl-btn .dl-main span { font-size: 12px; color: color-mix(in oklch, var(--canvas) 70%, transparent); }
.dl-btn .dl-size {
  font-size: 12px;
  color: color-mix(in oklch, var(--canvas) 70%, transparent);
  align-self: flex-end;
}

.dl-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 12px; }
.dl-btn.small {
  background: var(--card-2);
  color: var(--ink);
  padding: 12px 16px;
  border-radius: 10px;
  border: 0.5px solid var(--line);
  display: flex; gap: 10px; align-items: center;
}
.dl-btn.small:hover { background: var(--hover); }
.dl-btn.small span { display: flex; flex-direction: column; }
.dl-btn.small b { font-size: 13px; font-weight: 600; }
.dl-btn.small i { font-style: normal; font-size: 11px; color: var(--ink-3); font-family: var(--font-mono); }

.dl-fine {
  margin-top: 16px;
  font-size: 11px;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.dl-fine a { color: var(--ink-2); text-decoration: underline; text-decoration-color: var(--line-2); }
.dl-fine a:hover { color: var(--accent); }
.dl-fine .sep { color: var(--ink-4); }

/* ============== Footer ============== */
.footer {
  background: var(--bg);
  border-top: 0.5px solid var(--line);
  padding: 56px 0 28px;
}
.foot-row {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 56px;
  align-items: flex-start;
}
.foot-brand { display: flex; gap: 14px; align-items: center; }
.foot-tag { font-size: 12.5px; color: var(--ink-3); margin-top: 4px; font-style: italic; font-family: var(--font-display); }
.foot-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.foot-h {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 12px;
}
.foot-cols > div { display: flex; flex-direction: column; gap: 8px; }
.foot-cols a { font-size: 13.5px; color: var(--ink-2); transition: color 120ms; }
.foot-cols a:hover { color: var(--accent); }
.foot-fine {
  margin-top: 48px;
  padding-top: 20px;
  border-top: 0.5px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--ink-3);
}

/* ============== Responsive ============== */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-preview { justify-content: flex-start; }
  .steps { grid-template-columns: 1fr; }
  .feats { grid-template-columns: 1fr; }
  .spec-grid { grid-template-columns: 1fr; }
  .spec { grid-template-columns: 140px 1fr; gap: 16px; }
  .dl-card { grid-template-columns: 1fr; padding: 32px 28px; gap: 32px; }
  .foot-row { grid-template-columns: 1fr; gap: 32px; }
  .nav-links { display: none; }
}
/* Tablets: a balanced 2-col features grid between the 1-col (<=1000) and 3-col
   (>1000) layouts, so cards don't stretch to full-width rows on iPad-class screens. */
@media (min-width: 641px) and (max-width: 1000px) {
  .feats { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .band { padding: 64px 0; }
  .hero { padding: 48px 0 64px; }
  .display { font-size: 56px; }
  .spec { grid-template-columns: 1fr; gap: 6px; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
  /* Stack the two secondary download buttons so the Linux formats line fits. */
  .dl-row { grid-template-columns: 1fr; }
  /* Comfortable tap target for the header CTAs on phones. */
  .nav-cta .btn.sm { padding: 10px 14px; }
  /* The decorative hero preview's fixed sidebar + in-flight columns overflow a
     phone; narrow the sidebar and drop the columns that don't fit. */
  .mini-side { width: 128px; padding: 10px 0; }
  .mini-doc.inflight { grid-template-columns: 56px 1fr; }
  .mini-doc.inflight .bar,
  .mini-doc.inflight .b { display: none; }
}

/* Respect users who prefer reduced motion — neutralize the looping pulse/shimmer
   accents and long transitions while leaving the layout fully usable. */
@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;
  }
}