/* ══ DynSolutionz.com shared stylesheet ══════════════════════════════════════
   Theme tokens mirror DynBrowser's ERPThemePicker palette triplets
   ([base, accent, tint]); site.js writes --base/--accent/--tint, everything
   below derives via color-mix. Dark mode = [data-dark] on <html>. ═══════════ */
:root {
  --base: #f4f6fa; --accent: #0078d4; --tint: #dbeafe;
  --bg: var(--base);
  --bg-2: color-mix(in srgb, var(--tint) 34%, var(--base));
  --card: #ffffff;
  --line: color-mix(in srgb, var(--accent) 13%, #dde3ec);
  --ink: #16202e;
  --mut: #5b6878;
  --acc: var(--accent);
  --acc-soft: color-mix(in srgb, var(--accent) 10%, transparent);
  --chip: color-mix(in srgb, var(--tint) 70%, #ffffff);
  --acc-ink: #ffffff;
  --ok: #1e9e63; --warn: #d97706; --bad: #dc2626;
  --shadow: 0 20px 50px -18px color-mix(in srgb, var(--accent) 28%, rgb(10 20 35 / .35));
}
:root[data-dark] {
  --bg: color-mix(in srgb, var(--accent) 6%, #0c1016);
  --bg-2: color-mix(in srgb, var(--accent) 10%, #10151c);
  --card: color-mix(in srgb, var(--accent) 8%, #141a23);
  --line: color-mix(in srgb, var(--accent) 20%, #26303d);
  --ink: #e9edf4;
  --mut: #92a0b1;
  --acc: color-mix(in srgb, var(--accent) 68%, #bfe0ff);
  --acc-soft: color-mix(in srgb, var(--accent) 20%, transparent);
  --chip: color-mix(in srgb, var(--accent) 22%, #182029);
  --shadow: 0 24px 60px -20px rgb(0 0 0 / .65);
  --ok: #34c98a; --warn: #f0a13a; --bad: #f26d6d;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: Inter, system-ui, sans-serif;
  font-size: 16px; line-height: 1.6;
  background: var(--bg); color: var(--ink);
  transition: background .45s ease, color .45s ease;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: Archivo, Inter, sans-serif; line-height: 1.12; letter-spacing: -.015em; }
a { color: var(--acc); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--acc); color: var(--acc-ink); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.mono { font-family: 'JetBrains Mono', monospace; }
.eyebrow {
  font-family: 'JetBrains Mono', monospace; font-size: .74rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; color: var(--acc);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ''; width: 22px; height: 2px; background: var(--acc); border-radius: 2px; }

/* ── Nav ─────────────────────────────────────────────── */
nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-in { display: flex; align-items: center; gap: 26px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: Archivo, sans-serif; font-weight: 800; font-size: 1.16rem; color: var(--ink); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--acc); color: var(--acc-ink); display: grid; place-items: center; font-size: .95rem; box-shadow: 0 4px 14px -4px var(--acc); }
.brand em { font-style: normal; color: var(--acc); }
.nav-links { display: flex; gap: 22px; margin-left: 8px; }
.nav-links a { color: var(--mut); font-size: .92rem; font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-end { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.pill-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  border-radius: 999px; padding: 6px 13px; font: 600 .8rem Inter, sans-serif;
  cursor: pointer; transition: border-color .2s, background .2s;
  display: inline-flex; align-items: center; gap: 7px;
}
.pill-btn:hover { border-color: var(--acc); }
.nav-cta { background: var(--acc); color: var(--acc-ink); border-color: transparent; }
.nav-cta:hover { filter: brightness(1.08); }
/* Mobile nav (burger + panel injected by site.js) */
.nav-burger { display: none; font-size: 1rem; padding: 6px 11px; }
.mobile-menu { display: none; }

/* ── Hero (landing) ──────────────────────────────────── */
.hero { position: relative; padding: 84px 0 96px; overflow: clip; }
.hero::before {
  content: ''; position: absolute; inset: -20% -10% auto;
  height: 130%; pointer-events: none;
  background:
    radial-gradient(46rem 30rem at 84% 8%, var(--acc-soft), transparent 66%),
    radial-gradient(34rem 26rem at 6% 88%, color-mix(in srgb, var(--acc) 9%, transparent), transparent 70%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 46fr) minmax(0, 54fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 3.7rem); font-weight: 800; margin: 20px 0 18px; }
.hero h1 .hl { color: var(--acc); }
.hero p.lead { font-size: 1.13rem; color: var(--mut); max-width: 34em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 24px; border-radius: 11px; font: 600 .97rem Inter, sans-serif;
  cursor: pointer; border: 1px solid transparent; transition: transform .15s, filter .2s, border-color .2s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--acc); color: var(--acc-ink); box-shadow: 0 10px 26px -10px var(--acc); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn-ghost:hover { border-color: var(--acc); }
.hero-note { margin-top: 18px; font-size: .82rem; color: var(--mut); display: flex; align-items: center; gap: 8px; }
.hero-note .dot-ok { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 18%, transparent); }

/* ── Page hero (feature deep-dive pages) ─────────────── */
.page-hero { position: relative; padding: 64px 0 72px; overflow: clip; }
.page-hero::before {
  content: ''; position: absolute; inset: -30% -10% auto; height: 140%; pointer-events: none;
  background: radial-gradient(42rem 26rem at 88% 0%, var(--acc-soft), transparent 68%);
}
.page-grid { position: relative; display: grid; grid-template-columns: minmax(0, 45fr) minmax(0, 55fr); gap: 52px; align-items: center; }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.9rem); font-weight: 800; margin: 18px 0 14px; }
.page-hero p.lead { font-size: 1.06rem; color: var(--mut); max-width: 32em; }
.fact-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.fact-chips span {
  font: 600 .78rem 'JetBrains Mono', monospace; color: var(--acc);
  background: var(--acc-soft); border: 1px solid color-mix(in srgb, var(--acc) 24%, transparent);
  border-radius: 999px; padding: 5px 13px;
}

/* ── Feature cross-nav pills ─────────────────────────── */
.crossnav { padding: 18px 0; border-block: 1px solid var(--line); background: var(--bg-2); }
.crossnav .wrap { display: flex; flex-wrap: wrap; gap: 9px; }
.crossnav a {
  font: 500 .82rem Inter, sans-serif; color: var(--mut);
  border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: 6px 15px;
}
.crossnav a:hover { color: var(--ink); border-color: var(--acc); text-decoration: none; }
.crossnav a.on { color: var(--acc-ink); background: var(--acc); border-color: transparent; font-weight: 600; }

/* ── Sections ────────────────────────────────────────── */
section { padding: 88px 0; }
.sec-head { max-width: 620px; margin-bottom: 54px; }
.sec-head h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; margin: 16px 0 12px; }
.sec-head p { color: var(--mut); font-size: 1.03rem; }
.alt { background: var(--bg-2); border-block: 1px solid var(--line); }

/* stats band */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.stat { background: var(--card); padding: 26px 24px; }
.stat b { display: block; font: 600 2rem 'JetBrains Mono', monospace; color: var(--acc); }
.stat span { color: var(--mut); font-size: .85rem; }

/* capability grid (feature pages) */
.cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.cap { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 22px; transition: transform .18s, border-color .2s; }
.cap:hover { transform: translateY(-3px); border-color: var(--acc); }
.cap::before { content: ''; display: block; width: 26px; height: 4px; border-radius: 3px; background: var(--acc); margin-bottom: 14px; }
.cap h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 6px; }
.cap p { color: var(--mut); font-size: .88rem; }

/* highlight band (feature pages): big mono stats + copy */
.hi-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hi { border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 28px; }
.hi b { display: block; font: 600 1.7rem 'JetBrains Mono', monospace; color: var(--acc); margin-bottom: 8px; }
.hi p { color: var(--mut); font-size: .9rem; }

/* feature rows (landing) */
.feat { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; padding: 44px 0; }
.feat + .feat { border-top: 1px dashed var(--line); }
.feat:nth-child(even) .f-viz { order: -1; }
.feat h3 { font-size: 1.5rem; font-weight: 700; margin: 14px 0 10px; }
.feat p { color: var(--mut); max-width: 32em; }
.f-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.f-chips span { background: var(--chip); border: 1px solid var(--line); color: var(--ink); border-radius: 999px; padding: 4px 12px; font-size: .78rem; font-weight: 500; }
.learn { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-weight: 600; font-size: .93rem; }
.learn::after { content: '→'; transition: transform .18s; }
.learn:hover::after { transform: translateX(3px); }
.f-viz {
  border: 1px solid var(--line); border-radius: 14px; background: var(--card);
  padding: 20px; box-shadow: var(--shadow); font-size: 12.5px; min-height: 220px;
  display: flex; flex-direction: column; justify-content: center; gap: 10px;
}

/* ── App mock (CSS recreation of DynBrowser) ─────────── */
.app {
  border: 1px solid var(--line); border-radius: 14px; background: var(--card);
  box-shadow: var(--shadow); overflow: hidden; font-size: 12.5px;
  transform: perspective(1400px) rotateY(-4deg) rotateX(1.5deg);
  transition: transform .5s ease;
}
.app:hover { transform: perspective(1400px) rotateY(-1deg) rotateX(0deg); }
.app-tabs { display: flex; align-items: center; gap: 4px; padding: 8px 10px 0; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.app-tab {
  padding: 7px 14px; border-radius: 9px 9px 0 0; color: var(--mut);
  border: 1px solid transparent; border-bottom: none; white-space: nowrap;
  display: flex; align-items: center; gap: 7px; font-weight: 500;
}
.app-tab.on { background: var(--card); color: var(--ink); border-color: var(--line); font-weight: 600; }
.app-tab .fav { width: 8px; height: 8px; border-radius: 3px; background: var(--acc); flex: none; }
.app-tab.plus { padding: 7px 9px; }
.win-ctl { margin-left: auto; display: flex; gap: 12px; color: var(--mut); padding: 0 6px 6px; font-size: 11px; }
.app-bar { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-bottom: 1px solid var(--line); }
.bar-ico { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; color: var(--mut); }
.bar-ico:nth-child(3) { color: var(--acc); }
.addr {
  flex: 1; display: flex; align-items: center; gap: 8px;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 13px; color: var(--mut); font-family: 'JetBrains Mono', monospace; font-size: 11px;
}
.addr .lock { color: var(--ok); }
.app-body { padding: 14px; display: grid; gap: 12px; background: linear-gradient(180deg, var(--card), color-mix(in srgb, var(--bg-2) 40%, var(--card))); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.kpi { border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; background: var(--card); }
.kpi b { display: block; font-family: 'JetBrains Mono', monospace; font-size: 1.25rem; color: var(--acc); font-weight: 600; }
.kpi span { color: var(--mut); font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; }
.kpi.k-warn b { color: var(--warn); } .kpi.k-bad b { color: var(--bad); }
.grid { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.g-row { display: grid; grid-template-columns: 1.1fr 1.7fr 1fr .7fr 1fr; gap: 10px; padding: 7px 12px; border-top: 1px solid var(--line); align-items: center; }
.g-row:first-child { border-top: none; background: var(--bg-2); color: var(--mut); font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.g-row:not(:first-child):hover { background: var(--acc-soft); }
.g-row .id { font-family: 'JetBrains Mono', monospace; color: var(--acc); font-size: 11.5px; }
.g-row .num { font-family: 'JetBrains Mono', monospace; text-align: right; }
.pillst { justify-self: start; padding: 2px 9px; border-radius: 999px; font-size: 10.5px; font-weight: 600; }
.st-ok  { color: var(--ok);  background: color-mix(in srgb, var(--ok) 14%, transparent); }
.st-wip { color: var(--acc); background: var(--acc-soft); }
.st-bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 13%, transparent); }
/* rows shimmer in, then reveal data */
.g-row.load > * { position: relative; color: transparent !important; }
.g-row.load > *::after {
  content: ''; position: absolute; inset: 3px 0; border-radius: 5px;
  background: linear-gradient(90deg, var(--bg-2) 25%, color-mix(in srgb, var(--acc) 12%, var(--bg-2)) 50%, var(--bg-2) 75%);
  background-size: 220% 100%; animation: shimmer 1.1s linear infinite;
}
.g-row.load .pillst { background: transparent; }
@keyframes shimmer { to { background-position: -220% 0; } }

/* mini-viz: bars */
.viz-bars .vb { display: grid; grid-template-columns: 92px 1fr 44px; gap: 12px; align-items: center; margin: 7px 0; color: var(--mut); }
.vb i { height: 10px; border-radius: 999px; background: var(--acc-soft); overflow: hidden; display: block; font-style: normal; }
.vb i::after { content: ''; display: block; height: 100%; width: var(--w, 60%); border-radius: inherit; background: var(--acc); transform-origin: left; transform: scaleX(0); transition: transform 1s cubic-bezier(.2,.7,.2,1) .2s; }
.in .vb i::after { transform: scaleX(1); }
.vb b { font-family: 'JetBrains Mono', monospace; text-align: right; color: var(--ink); font-weight: 500; }
/* mini-viz: BOM tree */
.viz-bom { gap: 0; }
.viz-bom .bn { display: flex; align-items: center; gap: 9px; padding: 6px 0 6px calc(18px * var(--lvl, 0)); color: var(--ink); }
.viz-bom .bn::before { content: '▸'; color: var(--mut); font-size: 10px; }
.viz-bom .bn.leaf::before { content: '·'; }
.viz-bom .bn .mono { color: var(--acc); font-size: 11.5px; }
.viz-bom .cm { margin-left: auto; font: 600 10.5px 'JetBrains Mono', monospace; padding: 2px 8px; border-radius: 999px; color: var(--ok); background: color-mix(in srgb, var(--ok) 13%, transparent); }
.viz-bom .cm.low { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); }
.viz-bom .total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 10px; font-weight: 600; }
/* mini-viz: chart */
.viz-chart svg { width: 100%; height: auto; display: block; }
.viz-chart .axis { stroke: var(--line); }
.viz-chart .area { fill: var(--acc-soft); }
.viz-chart .ln { stroke: var(--acc); stroke-width: 2.5; fill: none; stroke-dasharray: 600; stroke-dashoffset: 600; }
.in .viz-chart .ln, .viz-chart.in .ln { animation: draw 1.6s ease forwards .2s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.viz-chart .zero { stroke: var(--bad); stroke-dasharray: 4 5; stroke-width: 1.4; opacity: .7; }
.viz-chart text { font: 500 9px 'JetBrains Mono', monospace; fill: var(--mut); }
/* mini-viz: query */
.viz-q { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; line-height: 1.9; color: var(--mut); }
.viz-q .k { color: var(--acc); } .viz-q .s { color: var(--ok); } .viz-q .n { color: var(--warn); }
.viz-q .resp { border-top: 1px dashed var(--line); margin-top: 8px; padding-top: 8px; }
.caret { display: inline-block; width: 7px; height: 13px; background: var(--acc); vertical-align: -2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
/* mini-viz: work cards */
.viz-work .wc { border: 1px solid var(--line); border-radius: 10px; padding: 10px 13px; display: flex; align-items: center; gap: 12px; margin: 5px 0; background: var(--bg-2); }
.viz-work .wc .mono { color: var(--acc); font-size: 11.5px; }
.viz-work .prio { margin-left: auto; }
.viz-work .prg { flex: 0 0 90px; height: 7px; border-radius: 999px; background: var(--acc-soft); overflow: hidden; }
.viz-work .prg::after { content: ''; display: block; height: 100%; width: var(--w); background: var(--acc); border-radius: inherit; }
/* mini-viz: drawing sheet (Vault) */
.viz-sheet { position: relative; border: 1.5px solid var(--line); border-radius: 8px; background: var(--bg-2); min-height: 200px; padding: 14px; }
.viz-sheet svg { width: 100%; height: auto; display: block; }
.viz-sheet .draw-ln { stroke: var(--acc); stroke-width: 1.6; fill: none; opacity: .85; }
.viz-sheet .draw-dim { stroke: var(--mut); stroke-width: .8; stroke-dasharray: 3 4; fill: none; }
.viz-sheet .tblock { position: absolute; right: 14px; bottom: 14px; border: 1px solid var(--line); background: var(--card); font: 500 9px 'JetBrains Mono', monospace; color: var(--mut); padding: 6px 10px; border-radius: 4px; }

/* ── Theme lab ───────────────────────────────────────── */
.lab { text-align: center; }
.lab .sec-head { margin-inline: auto; }
.lab-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-top: 10px; }
.sw {
  border: 1.5px solid var(--line); background: var(--card); border-radius: 13px;
  padding: 14px; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 9px;
  font: 600 .84rem Inter, sans-serif; color: var(--ink);
  transition: transform .18s, border-color .2s, box-shadow .2s;
}
.sw:hover { transform: translateY(-3px); border-color: var(--acc); }
.sw.on { border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft), var(--shadow); }
.sw-dots { display: flex; gap: 5px; }
.sw-dots i { width: 17px; height: 17px; border-radius: 50%; border: 1px solid rgb(0 0 0 / .12); }
.lab-tools { display: flex; justify-content: center; gap: 12px; margin-top: 30px; }

/* ── Platform band ───────────────────────────────────── */
.plat { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.plat-card { border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 30px; }
.plat-card h3 { font-size: 1.22rem; margin: 12px 0 8px; }
.plat-card p { color: var(--mut); font-size: .95rem; }
.plat-ico { width: 44px; height: 44px; border-radius: 12px; background: var(--acc-soft); color: var(--acc); display: grid; place-items: center; font-size: 1.3rem; }
.lic { margin-top: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--card); padding: 30px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.lic div h4 { font-size: 1rem; margin-bottom: 6px; display: flex; align-items: center; gap: 9px; }
.lic div h4::before { content: '✓'; color: var(--ok); font-weight: 700; }
.lic div p { color: var(--mut); font-size: .88rem; }

/* ── CTA + footer ────────────────────────────────────── */
.cta-band { text-align: center; padding: 100px 0; position: relative; overflow: clip; }
.cta-band::before { content: ''; position: absolute; inset: 0; background: radial-gradient(38rem 20rem at 50% 0%, var(--acc-soft), transparent 70%); pointer-events: none; }
.cta-band h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); font-weight: 800; margin-bottom: 14px; position: relative; }
.cta-band p { color: var(--mut); margin-bottom: 32px; position: relative; }
footer { border-top: 1px solid var(--line); padding: 44px 0 54px; background: var(--bg-2); }
.foot { display: flex; flex-wrap: wrap; gap: 28px; align-items: center; }
.foot .brand { font-size: 1.02rem; }
.foot-links { display: flex; gap: 20px; flex-wrap: wrap; }
.foot-links a, .foot small { color: var(--mut); font-size: .86rem; }
.foot small { margin-left: auto; }
.soon { opacity: .55; cursor: default; pointer-events: none; }

/* ── Motion ──────────────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.rise { opacity: 0; transform: translateY(18px); animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
.d1 { animation-delay: .05s } .d2 { animation-delay: .16s } .d3 { animation-delay: .27s } .d4 { animation-delay: .38s } .d5 { animation-delay: .5s }
@keyframes rise { to { opacity: 1; transform: none; } }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 940px) {
  .hero-grid, .page-grid, .feat, .plat { grid-template-columns: 1fr; }
  .feat { gap: 30px; }
  .feat:nth-child(even) .f-viz { order: 0; }
  .app { transform: none; }
  .stats { grid-template-columns: 1fr 1fr; }
  .cap-grid, .hi-band { grid-template-columns: 1fr 1fr; }
  .lic { grid-template-columns: 1fr; gap: 18px; }
  .nav-links { display: none; }
  .nav-burger { display: inline-flex; }
  .mobile-menu {
    position: absolute; top: 64px; left: 0; right: 0; z-index: 49;
    background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
    padding: 8px 28px 18px; flex-direction: column;
  }
  .mobile-menu.open { display: flex; }
  .mobile-menu a { padding: 12px 4px; color: var(--ink); font-weight: 500; border-bottom: 1px solid var(--line); font-size: .95rem; }
  .mobile-menu a:hover { text-decoration: none; color: var(--acc); }
  .mobile-menu a:last-child { border-bottom: none; }
  .mobile-menu .mm-head {
    font: 600 .68rem 'JetBrains Mono', monospace; text-transform: uppercase; letter-spacing: .12em;
    color: var(--mut); margin-top: 14px; padding-bottom: 4px;
  }
}
@media (max-width: 620px) {
  .cap-grid, .hi-band { grid-template-columns: 1fr; }
  .wrap { padding: 0 18px; }
  section { padding: 54px 0; }
  .hero { padding: 44px 0 56px; }
  .page-hero { padding: 36px 0 46px; }
  .sec-head { margin-bottom: 34px; }
  .feat { padding: 28px 0; }
  .cta-band { padding: 64px 0; }
  .nav-cta, .nav-signin { display: none; } /* both live in the mobile menu */
  .mobile-menu { padding-inline: 18px; }
  .stat { padding: 18px; }
  .stat b { font-size: 1.5rem; }
  .hi b { font-size: 1.4rem; }
  .foot small { margin-left: 0; }
  /* Feature cross-nav becomes a horizontal scroller instead of a tall stack */
  .crossnav .wrap { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
  .crossnav a { flex: none; }
  .lab-grid { grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); }
  /* App mocks: stack side-by-side panels (inline grid styles included), 2×2 KPI tiles,
     and drop the qty/date columns from default 5-column demo grids. */
  .app-body { grid-template-columns: 1fr !important; }
  .kpis { grid-template-columns: 1fr 1fr; gap: 8px; }
  .g-row:not([style]) { grid-template-columns: 1.1fr 1.7fr 1fr; }
  .g-row:not([style]) > :nth-child(n+4) { display: none; }
}
@media (max-width: 520px) {
  .app-tabs .app-tab:nth-child(3) { display: none; } /* third demo tab doesn't fit */
  .hero h1 { font-size: 2.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
  .reveal, .rise { opacity: 1; transform: none; }
}
