/* Iron Rod Systems — site styles
   Layout concept: an engineering drawing sheet. Left-aligned title blocks, thin rules,
   mono annotations, one vertical "rod" rule as the recurring motif. Quiet neutrals,
   one blueprint accent. */
:root {
  --bg: #F4F6F8;
  --bg-2: #FFFFFF;
  --fg: #141920;
  --muted: #5A6472;
  --line: #D3D9E0;
  --accent: #1D4E8F;
  --accent-ink: #FFFFFF;
  --iron: #1F262E;
  --iron-fg: #E9EDF1;
  --iron-muted: #A7B1BD;
  --font-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --measure: 62ch;
  --radius: 4px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1317; --bg-2: #161B21; --fg: #E6EAEE; --muted: #98A3AF; --line: #2B333C;
    --accent: #7FB0F0; --accent-ink: #0F1317; --iron: #1A2027; --iron-fg: #E6EAEE; --iron-muted: #98A3AF;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1317; --bg-2: #161B21; --fg: #E6EAEE; --muted: #98A3AF; --line: #2B333C;
  --accent: #7FB0F0; --accent-ink: #0F1317; --iron: #1A2027; --iron-fg: #E6EAEE; --iron-muted: #98A3AF;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 1.0625rem; line-height: 1.55;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.2rem, 5.2vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); font-weight: 650; }
h3 { font-size: 1.25rem; font-weight: 650; }
h4 { font-size: 1rem; font-weight: 650; }
p { margin: 0; }
p + p { margin-top: 0.9em; }
ul, ol { margin: 0; padding-left: 1.2em; }
li + li { margin-top: 0.35em; }
.measure { max-width: var(--measure); }
.muted { color: var(--muted); }
.mono, .eyebrow, .label { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; }
.eyebrow { color: var(--accent); display: block; margin-bottom: 0.7rem; }
.label { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; }

/* shell */
.wrap { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 40px); }
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 0.8rem; }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--fg); font-family: var(--font-display); font-weight: 700; letter-spacing: -0.01em; }
.brand .rod { display: inline-block; width: 4px; height: 26px; background: var(--fg); border-radius: 1px; }
.brand small { display: block; font: 0.7rem/1 var(--font-mono); color: var(--muted); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 3px; }
.nav { display: flex; gap: 1.4rem; align-items: center; }
.nav a { color: var(--fg); text-decoration: none; font-weight: 600; font-size: 0.95rem; }
.nav a[aria-current="page"] { color: var(--accent); }
.nav a:hover { text-decoration: underline; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--fg); padding: 0.4rem 0.7rem; border-radius: var(--radius); font: 600 0.9rem var(--font-body); }
@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: flex-start; gap: 0; background: var(--bg-2); border-bottom: 1px solid var(--line); padding: 0.4rem clamp(16px, 4vw, 40px) 0.8rem; }
  .nav.open { display: flex; }
  .nav a { padding: 0.6rem 0; width: 100%; border-top: 1px solid var(--line); }
}

.btn { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1.2rem; border-radius: var(--radius); font: 600 0.98rem var(--font-body); text-decoration: none; border: 1px solid var(--fg); color: var(--fg); background: transparent; cursor: pointer; }
.btn.primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem; }

section { padding-block: clamp(3rem, 7vw, 5.5rem); }
section + section { border-top: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; margin-bottom: 2.2rem; }
@media (min-width: 900px) { .section-head { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; } }
.section-head p { color: var(--muted); font-size: 1.1rem; }

/* hero */
.hero { padding-block: clamp(3.5rem, 9vw, 7rem); }
.hero-grid { display: grid; gap: 2rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); align-items: start; } }
.hero p.lede { font-size: clamp(1.15rem, 2vw, 1.4rem); color: var(--muted); margin-top: 1.4rem; max-width: 46ch; }
.titleblock { border: 1px solid var(--line); background: var(--bg-2); font-family: var(--font-mono); font-size: 0.8rem; }
.titleblock dl { margin: 0; display: grid; grid-template-columns: auto 1fr; }
.titleblock dt, .titleblock dd { margin: 0; padding: 0.55rem 0.8rem; border-bottom: 1px solid var(--line); }
.titleblock dt { color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; border-right: 1px solid var(--line); }
.titleblock dd { font-variant-numeric: tabular-nums; }
.titleblock dt:nth-last-of-type(1), .titleblock dd:last-of-type { border-bottom: 0; }

/* grids and cards */
.grid { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.grid > * { min-width: 0; }
.card { background: var(--bg-2); border: 1px solid var(--line); padding: 1.4rem; display: flex; flex-direction: column; gap: 0.7rem; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { color: var(--accent); }
.card .status { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.card .more { margin-top: auto; padding-top: 0.6rem; font-weight: 600; }
.pillars { display: grid; gap: 0; grid-template-columns: minmax(0, 1fr); border: 1px solid var(--line); background: var(--bg-2); }
@media (min-width: 800px) { .pillars { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.pillar { padding: 1.6rem; border-top: 1px solid var(--line); min-width: 0; }
.pillar:first-child { border-top: 0; }
@media (min-width: 800px) { .pillar { border-top: 0; border-left: 1px solid var(--line); } .pillar:first-child { border-left: 0; } }
.pillar h3 { margin-bottom: 0.6rem; }
.pillar ul { margin-top: 0.8rem; color: var(--muted); }

/* stats */
.stats { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); }
.stat { background: var(--bg-2); padding: 1.2rem 1.3rem; min-width: 0; }
.stat b { display: block; font: 700 clamp(1.6rem, 3vw, 2.2rem)/1.1 var(--font-display); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.stat span { display: block; margin-top: 0.3rem; color: var(--muted); font-size: 0.95rem; }

/* dark band */
.band { background: var(--iron); color: var(--iron-fg); }
.band .muted, .band .label { color: var(--iron-muted); }
.band .eyebrow { color: #9CC4F5; }
.band a { color: #9CC4F5; }
.band .btn { border-color: var(--iron-fg); color: var(--iron-fg); }
.band .btn.primary { background: var(--iron-fg); color: var(--iron); }

/* case list */
.cases { display: grid; gap: 0; border-top: 1px solid var(--line); }
.case { display: grid; gap: 0.6rem 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); grid-template-columns: minmax(0, 1fr); }
@media (min-width: 800px) { .case { grid-template-columns: 200px minmax(0, 1fr) 220px; align-items: start; } }
.case .who { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.case .result { font-weight: 600; }
.case p { color: var(--muted); }

/* principle list */
.principles { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.principle { border-left: 3px solid var(--accent); padding-left: 1rem; min-width: 0; }
.principle b { display: block; font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.3rem; }
.principle p { color: var(--muted); }

/* product page pieces */
.page-head { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 4vw, 3rem); }
.page-head p.lede { font-size: clamp(1.1rem, 1.8vw, 1.3rem); color: var(--muted); margin-top: 1.2rem; max-width: 48ch; }
.two-col { display: grid; gap: 2rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .two-col { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } }
.two-col > * { min-width: 0; }
.spec { border: 1px solid var(--line); background: var(--bg-2); }
.spec dl { margin: 0; display: grid; grid-template-columns: minmax(120px, auto) 1fr; }
.spec dt, .spec dd { margin: 0; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); }
.spec dt { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); border-right: 1px solid var(--line); }
.spec dt:nth-last-of-type(1), .spec dd:last-of-type { border-bottom: 0; }
.features { display: grid; gap: 1.2rem 2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.feature { min-width: 0; }
.feature b { display: block; font-family: var(--font-display); margin-bottom: 0.25rem; }
.feature p { color: var(--muted); }
.pricing { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.plan { border: 1px solid var(--line); background: var(--bg-2); padding: 1.3rem; min-width: 0; }
.plan .price { font: 700 1.6rem/1.1 var(--font-display); font-variant-numeric: tabular-nums; margin: 0.4rem 0 0.8rem; }
.plan .price small { font: 500 0.9rem var(--font-body); color: var(--muted); }
.plan ul { color: var(--muted); font-size: 0.97rem; }
.quote { border-left: 3px solid var(--accent); padding: 0.4rem 0 0.4rem 1.2rem; font-size: 1.15rem; max-width: 60ch; }
.quote cite { display: block; margin-top: 0.6rem; font: 0.85rem var(--font-mono); color: var(--muted); font-style: normal; }
.timeline { border-left: 2px solid var(--line); padding-left: 1.4rem; display: grid; gap: 1.2rem; }
.timeline > div { position: relative; }
.timeline > div::before { content: ""; position: absolute; left: calc(-1.4rem - 6px); top: 0.45rem; width: 10px; height: 10px; background: var(--accent); border-radius: 50%; }
.timeline .when { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.04em; }
.timeline b { display: block; font-family: var(--font-display); }
.grade-table { width: 100%; border-collapse: collapse; font-size: 0.97rem; }
.grade-table th, .grade-table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.grade-table th { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.grade-table td:first-child { font-family: var(--font-mono); font-size: 0.85rem; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.callout { border: 1px solid var(--line); background: var(--bg-2); padding: 1.2rem 1.4rem; }
.callout .label { display: block; margin-bottom: 0.4rem; }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding-block: 2.5rem; color: var(--muted); font-size: 0.95rem; }
.site-footer .wrap { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 170px), 1fr)); }
.site-footer h4 { color: var(--fg); margin-bottom: 0.6rem; }
.site-footer ul { list-style: none; padding: 0; }
.site-footer a { color: inherit; }
.site-footer .legal { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 1.2rem; font-size: 0.85rem; }

/* ===== Home page (stylized) ===== */
/* ---------- prototype additions ---------- */
.p-hero { position: relative; background: var(--iron); color: var(--iron-fg); overflow: hidden; padding-block: clamp(4rem, 10vw, 8rem) clamp(3rem, 7vw, 5rem); }
.p-hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.55; }
.p-hero .wrap { position: relative; display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 960px) { .p-hero .wrap { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: center; } }
.p-hero h1 { font-size: clamp(2.6rem, 6.2vw, 5rem); font-weight: 800; letter-spacing: -0.025em; line-height: 1.02; }
.p-hero h1 em { font-style: normal; color: #9CC4F5; }
.p-hero .lede { font-size: clamp(1.15rem, 2vw, 1.35rem); color: var(--iron-muted); margin-top: 1.4rem; max-width: 46ch; }
.p-hero .eyebrow { color: #9CC4F5; }
.p-hero .btn { border-color: var(--iron-fg); color: var(--iron-fg); }
.p-hero .btn.primary { background: #9CC4F5; border-color: #9CC4F5; color: var(--iron); }
.p-hero .btn.primary:hover { background: #fff; border-color: #fff; }
.sheet { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.18); font-family: var(--font-mono); font-size: 0.78rem; backdrop-filter: blur(2px); }
.sheet .bar { display: flex; justify-content: space-between; padding: 0.55rem 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.18); letter-spacing: 0.08em; text-transform: uppercase; color: var(--iron-muted); }
.sheet dl { margin: 0; display: grid; grid-template-columns: auto 1fr; }
.sheet dt, .sheet dd { margin: 0; padding: 0.6rem 0.9rem; border-bottom: 1px solid rgba(255,255,255,0.1); }
.sheet dt { color: var(--iron-muted); text-transform: uppercase; letter-spacing: 0.06em; border-right: 1px solid rgba(255,255,255,0.1); }
.sheet dd { font-variant-numeric: tabular-nums; }
.sheet dt:last-of-type, .sheet dd:last-of-type { border-bottom: 0; }
.sheet .rev { color: #9CC4F5; }

.strip { border-bottom: 1px solid var(--line); padding-block: 1.1rem; }
.strip .wrap { display: flex; flex-wrap: wrap; gap: 0.6rem 1.6rem; align-items: center; }
.strip .label { margin-right: 0.4rem; }
.strip span.wm { font-family: var(--font-display); font-weight: 650; color: var(--muted); font-size: 0.95rem; letter-spacing: 0.01em; }

/* reveal */
.rv { transform: translateY(14px); transition: transform 0.7s cubic-bezier(.2,.7,.2,1), opacity 0.7s; opacity: 0.001; }
.rv.in { transform: none; opacity: 1; }
@media (prefers-reduced-motion: reduce) { .rv { transform: none; opacity: 1; transition: none; } }
.no-js .rv { transform: none; opacity: 1; }

/* TruthLock demo */
.demo { display: grid; gap: 1.2rem; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 900px) { .demo { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.pane { background: var(--bg-2); border: 1px solid var(--line); padding: 1.2rem 1.3rem; min-width: 0; display: flex; flex-direction: column; gap: 0.8rem; }
.pane .ph { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.pane .ph .label { white-space: nowrap; }
.pane .conf { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); }
.q { font-family: var(--font-mono); font-size: 0.85rem; color: var(--muted); }
.ans { font-size: 1.05rem; line-height: 1.5; }
.claim { border: 1px solid var(--line); padding: 0.7rem 0.9rem; display: grid; gap: 0.3rem; grid-template-columns: minmax(0, 1fr) auto; align-items: start; transition: border-color 0.4s, background 0.4s; }
.claim .g { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.2rem 0.5rem; border: 1px solid var(--line); white-space: nowrap; opacity: 0; transition: opacity 0.4s; }
.claim.graded .g { opacity: 1; }
.claim.verified { border-color: var(--accent); }
.claim.contradicted { border-color: var(--fg); background: color-mix(in srgb, var(--fg) 6%, transparent); }
.claim.contradicted .t { text-decoration: line-through; text-decoration-thickness: 2px; }
.claim .why { grid-column: 1 / -1; font-size: 0.9rem; color: var(--muted); display: none; }
.claim.graded .why { display: block; }
.decisions { display: flex; flex-wrap: wrap; gap: 0.5rem; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }
.decisions span { border: 1px solid var(--line); padding: 0.25rem 0.6rem; }
.decisions span.deny { border-color: var(--fg); font-weight: 600; }
.sig { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); word-break: break-all; }
.sig b { color: var(--fg); font-weight: 500; }
.pane.waiting .claim, .pane.waiting .decisions, .pane.waiting .sig { display: none; }
.pane.waiting .ans { display: block; }
.pane.done .ans { display: none; }
.runbtn { align-self: flex-start; }

/* scroll rows */
.row-head { display: flex; justify-content: space-between; align-items: end; gap: 1rem; margin-bottom: 1.2rem; }
.row-ctl { display: flex; align-items: center; gap: 0.5rem; }
.row-ctl button { background: var(--bg-2); border: 1px solid var(--line); color: var(--fg); width: 40px; height: 40px; border-radius: 50%; font-size: 1.1rem; cursor: pointer; }
.row-ctl button:hover { border-color: var(--accent); color: var(--accent); }
.row-ctl .idx { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); min-width: 4.5ch; text-align: center; font-variant-numeric: tabular-nums; }
.srow { display: flex; gap: 1.2rem; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; padding-bottom: 0.6rem; scrollbar-width: thin; }
.srow > * { flex: 0 0 min(100%, 340px); scroll-snap-align: start; }
.srow .card { height: 100%; }
.srow .card h3 { font-size: 1.35rem; }
.srow .case { display: block; background: var(--bg-2); border: 1px solid var(--line); padding: 1.4rem; }
.srow .case .who { display: block; margin-bottom: 0.6rem; }
.srow .case .result { margin-bottom: 0.5rem; }
.band .srow .case { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.18); }
.band .srow .case p { color: var(--iron-muted); }
.band .srow .case .result { color: var(--iron-fg); }
.band .row-ctl button { background: transparent; color: var(--iron-fg); border-color: rgba(255,255,255,0.3); }

/* detection */
.det { display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr); align-items: center; }
@media (min-width: 900px) { .det { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } }
.det svg { width: 100%; height: auto; background: #0F1A2B; border: 1px solid var(--line); display: block; }
.det .sym { stroke: #9CC4F5; fill: none; stroke-width: 1.4; }
.det .wire { stroke: #4A6A95; stroke-width: 1; fill: none; }
.det .box { stroke: #FFD166; fill: rgba(255,209,102,0.08); stroke-width: 1.6; stroke-dasharray: 180; stroke-dashoffset: 180; opacity: 0; }
.det .box.on { animation: draw 0.6s forwards; }
.det .tag { font: 500 9px var(--font-mono); fill: #FFD166; opacity: 0; }
.det .tag.on { opacity: 1; transition: opacity 0.3s 0.4s; }
.det .miss { stroke: #FF7B7B; stroke-dasharray: 3 3; }
@keyframes draw { to { stroke-dashoffset: 0; opacity: 1; } }
.counter { font: 800 clamp(3rem, 7vw, 5rem)/1 var(--font-display); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.counter small { display: block; font: 500 1rem/1.4 var(--font-body); color: var(--muted); letter-spacing: 0; margin-top: 0.4rem; }

.stats .stat b { transition: none; }

/* ---------- proto2: stylized ---------- */
.progress { position: fixed; left: 0; top: 0; height: 3px; width: 0; background: linear-gradient(90deg, #9CC4F5, #FFD166); z-index: 50; transition: width 0.1s linear; }
.p-hero { background: radial-gradient(1200px 600px at 20% -10%, rgba(156,196,245,0.18), transparent 60%), var(--iron); }
.p-hero .spot { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(420px 420px at var(--mx, 50%) var(--my, 50%), rgba(255,209,102,0.14), transparent 60%); transition: background-position 0.2s; }
.p-hero h1 .w { display: inline-block; opacity: 0; transform: translateY(0.6em) rotate(2deg); animation: wordin 0.7s cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes wordin { to { opacity: 1; transform: none; } }
.p-hero .lede, .p-hero .btn-row, .p-hero .sheet { opacity: 0; animation: fadeup 0.8s 0.9s cubic-bezier(.2,.8,.2,1) forwards; }
.p-hero .sheet { animation-delay: 1.1s; transform: perspective(1200px) rotateY(-6deg); }
@keyframes fadeup { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .p-hero h1 .w, .p-hero .lede, .p-hero .btn-row, .p-hero .sheet { animation: none; opacity: 1; transform: none; } }
.sheet { transition: transform 0.6s; }
.sheet:hover { transform: perspective(1200px) rotateY(0deg) !important; }

/* marquee */
.marquee { overflow: hidden; border-bottom: 1px solid var(--line); padding-block: 1rem; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee .track { display: flex; gap: 3rem; width: max-content; animation: slide 28s linear infinite; }
.marquee:hover .track { animation-play-state: paused; }
.marquee .wm { font-family: var(--font-display); font-weight: 650; color: var(--muted); font-size: 1rem; white-space: nowrap; }
@keyframes slide { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee .track { animation: none; } }

/* deck */
.deck { position: relative; }
.deck-vp { overflow: hidden; padding: 0.4rem 0 1.4rem; }
.deck-track { display: flex; gap: 1.2rem; transition: transform 0.7s cubic-bezier(.2,.8,.2,1); will-change: transform; }
.deck-track > * { flex: 0 0 var(--cw, 100%); transition: transform 0.7s cubic-bezier(.2,.8,.2,1), opacity 0.7s, box-shadow 0.4s; transform-origin: left center; }
.deck-track > .peek { opacity: 0.45; transform: scale(0.94); }
.deck-track > .hidden-card { opacity: 0; transform: scale(0.9); }
.deck .card, .deck .case { background: var(--bg-2); border: 1px solid var(--line); padding: 1.6rem; min-height: 280px; display: flex; flex-direction: column; gap: 0.7rem; position: relative; overflow: hidden; }
.deck .card::after, .deck .case::after { content: ""; position: absolute; inset: 0; background: radial-gradient(500px 220px at var(--hx, 50%) var(--hy, 0%), rgba(156,196,245,0.18), transparent 60%); opacity: 0; transition: opacity 0.4s; pointer-events: none; }
.deck .card:hover::after, .deck .case:hover::after { opacity: 1; }
.deck .card:hover, .deck .case:hover { box-shadow: 0 18px 40px -24px rgba(0,0,0,0.45); border-color: var(--accent); }
.deck .card h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); letter-spacing: -0.02em; }
.deck .case .who { display: block; margin-bottom: 0.4rem; }
.deck .case .result { font-size: clamp(1.15rem, 1.8vw, 1.45rem); font-family: var(--font-display); font-weight: 650; line-height: 1.25; letter-spacing: -0.01em; }
.band .deck .card, .band .deck .case { background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.18); }
.band .deck .case p { color: var(--iron-muted); } .band .deck .case .result { color: var(--iron-fg); }
.deck-nav { display: flex; align-items: center; gap: 0.8rem; margin-top: 0.4rem; }
.deck-nav button { background: var(--fg); color: var(--bg); border: 0; width: 48px; height: 48px; border-radius: 50%; font-size: 1.2rem; cursor: pointer; transition: transform 0.25s, background 0.25s; }
.deck-nav button:hover { transform: scale(1.08); background: var(--accent); color: var(--accent-ink); }
.deck-nav button:disabled { opacity: 0.35; transform: none; cursor: default; }
.band .deck-nav button { background: var(--iron-fg); color: var(--iron); }
.dots { display: flex; gap: 0.4rem; margin-left: 0.4rem; }
.dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); transition: width 0.3s, background 0.3s; }
.dots i.on { width: 26px; border-radius: 4px; background: var(--accent); }
.band .dots i { background: rgba(255,255,255,0.25); } .band .dots i.on { background: #9CC4F5; }
.deck-nav .idx { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); margin-left: auto; font-variant-numeric: tabular-nums; }
@media (min-width: 900px) { .deck-track { --cw: calc(50% - 0.6rem); } }
@media (max-width: 899px) { .deck-track { --cw: 86%; } }

/* stylized eyebrow + headings */
.section-head .eyebrow::before { content: ""; display: inline-block; width: 28px; height: 2px; background: var(--accent); vertical-align: middle; margin-right: 0.6rem; transform-origin: left; animation: grow 0.8s cubic-bezier(.2,.8,.2,1); }
@keyframes grow { from { transform: scaleX(0); } }
.rv.in h2 { animation: fadeup 0.7s cubic-bezier(.2,.8,.2,1); }
.stats .stat { position: relative; overflow: hidden; }
.stats .stat::before { content: ""; position: absolute; left: 0; top: 0; height: 3px; width: 0; background: var(--accent); transition: width 1.4s cubic-bezier(.2,.8,.2,1); }
.stats.in .stat::before { width: 100%; }

/* ===== Inner pages (stylized) ===== */
.page-head { position: relative; overflow: hidden; background: radial-gradient(1000px 500px at 15% -10%, rgba(156,196,245,0.18), transparent 60%), var(--iron); color: var(--iron-fg); }
.page-head .spot { position: absolute; inset: 0; pointer-events: none; background: radial-gradient(420px 420px at var(--mx, 70%) var(--my, 30%), rgba(255,209,102,0.12), transparent 60%); }
.page-head .wrap { position: relative; }
.page-head .eyebrow { color: #9CC4F5; }
.page-head p.lede { color: var(--iron-muted); }
.page-head .btn { border-color: var(--iron-fg); color: var(--iron-fg); }
.page-head .btn.primary { background: #9CC4F5; border-color: #9CC4F5; color: var(--iron); }
.page-head .btn.primary:hover { background: #fff; border-color: #fff; }
.page-head h1 .w { display: inline-block; opacity: 0; transform: translateY(0.6em) rotate(2deg); animation: wordin 0.7s cubic-bezier(.2,.8,.2,1) forwards; }
.page-head p.lede, .page-head .btn-row { opacity: 0; animation: fadeup 0.8s 0.7s cubic-bezier(.2,.8,.2,1) forwards; }
@media (prefers-reduced-motion: reduce) { .page-head h1 .w, .page-head p.lede, .page-head .btn-row { animation: none; opacity: 1; transform: none; } }
.shot { margin: 0; background: var(--bg-2); border: 1px solid var(--line); padding: 0.6rem; box-shadow: 0 30px 60px -36px rgba(0,0,0,0.5); transform: perspective(1400px) rotateX(2deg); transition: transform 0.6s; }
.shot:hover { transform: none; }
.shot img { display: block; width: 100%; height: auto; }
.shot figcaption { font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; padding: 0.6rem 0.3rem 0.1rem; }
.shot.plain { transform: none; box-shadow: none; }
.portrait { margin: 0; }
.portrait img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.portrait figcaption { font-size: 0.9rem; color: var(--muted); margin-top: 0.5rem; }
.logo-tile { display: grid; place-items: center; background: var(--iron); border: 1px solid var(--line); padding: 2rem; }
.logo-tile img { max-width: 260px; }
.card, .pillar, .feature, .principle, .stat, .plan { transition: transform 0.35s cubic-bezier(.2,.8,.2,1), box-shadow 0.35s, border-color 0.35s; }
.card:hover, .plan:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -26px rgba(0,0,0,0.45); border-color: var(--accent); }
.det-wrap { display: grid; gap: 1.5rem; grid-template-columns: minmax(0, 1fr); align-items: center; }
@media (min-width: 900px) { .det-wrap { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); } }

/* ===== Brand: wordmark header ===== */
.brand { display: inline-flex; flex-direction: column; align-items: flex-start; gap: 0.15rem; }
.brand .wordmark { height: 26px; width: auto; display: block; color: var(--fg); }
.brand small { font: 500 0.62rem/1 var(--font-mono); color: var(--muted); letter-spacing: 0.14em; text-transform: uppercase; margin: 0; }
@media (max-width: 480px) { .brand small { display: none; } .brand .wordmark { height: 22px; } }

/* ===== Site assistant ===== */
.irs-chat { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); z-index: 60; font-family: var(--font-body); }
.irs-bubble { display: inline-flex; align-items: center; gap: 0.55rem; background: var(--fg); color: var(--bg); border: 0; border-radius: 999px; padding: 0.55rem 1rem 0.55rem 0.55rem; font: 600 0.95rem var(--font-body); cursor: pointer; box-shadow: 0 14px 30px -14px rgba(0,0,0,0.5); transition: transform 0.25s, background 0.25s; }
.irs-bubble:hover { transform: translateY(-2px); background: var(--accent); color: var(--accent-ink); }
.irs-bubble-icon { width: 34px; height: 34px; border-radius: 50%; background: #1F262E; color: #E9EDF1; display: grid; place-items: center; } .irs-bubble-icon svg { width: 26px; height: 26px; }
.irs-chat.open .irs-bubble-text { display: none; }
.irs-panel[hidden] { display: none !important; }
.irs-panel { padding: 0; margin: 0; position: absolute; right: 0; bottom: 60px; width: min(420px, calc(100vw - 32px)); height: min(680px, calc(100vh - 110px)); background: var(--bg-2); color: var(--fg); border: 1px solid var(--line); box-shadow: 0 30px 60px -30px rgba(0,0,0,0.55); display: flex; flex-direction: column; overflow: hidden; border-radius: 14px; transition: width 0.3s cubic-bezier(.2,.8,.2,1), height 0.3s cubic-bezier(.2,.8,.2,1); animation: irs-in 0.25s cubic-bezier(.2,.8,.2,1); }
@keyframes irs-in { from { opacity: 0; transform: translateY(10px) scale(0.98); } }
.irs-chat.wide .irs-panel { width: min(880px, calc(100vw - 32px)); height: min(880px, calc(100vh - 110px)); }
.irs-chat.wide .irs-msg { max-width: 76%; font-size: 1.02rem; } .irs-chat.wide .irs-card { max-width: 520px; } .irs-chat.wide .irs-log { padding: 1.2rem 1.4rem; }
.irs-expand { background: none; border: 0; color: var(--iron-fg); cursor: pointer; padding: 0.3rem; display: grid; place-items: center; opacity: 0.85; border-radius: 6px; }
.irs-expand:hover { opacity: 1; background: rgba(255,255,255,0.08); }
.irs-head { display: flex; align-items: center; gap: 0.7rem; padding: 0.75rem 0.9rem; background: var(--iron); color: var(--iron-fg); }
.irs-avatar { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); display: grid; place-items: center; flex: 0 0 auto; } .irs-avatar svg { width: 26px; height: 26px; color: #E9EDF1; }
.irs-head-text { flex: 1; min-width: 0; } .irs-head b { font-family: var(--font-display); font-size: 1rem; display: block; }
.irs-live { display: block; font: 500 0.7rem/1.3 var(--font-mono); color: #9CC4F5; letter-spacing: 0.04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.irs-close { background: none; border: 0; color: var(--iron-fg); font-size: 1.5rem; line-height: 1; cursor: pointer; padding: 0 0.2rem; }
.irs-log { flex: 1; overflow-y: auto; padding: 0.9rem 0.9rem; display: flex; flex-direction: column; gap: 0.7rem; min-height: 0; overflow-anchor: none; }
.irs-msg { max-width: 92%; padding: 0.7rem 0.9rem; border-radius: 12px; font-size: 0.95rem; line-height: 1.5; }
.irs-msg p { margin: 0; } .irs-msg p + p, .irs-msg ul, .irs-msg ol, .irs-msg p + h4, .irs-msg ul + p, .irs-msg ol + p { margin-top: 0.55rem; }
.irs-msg ul, .irs-msg ol { padding-left: 1.2rem; } .irs-msg li { margin-top: 0.2rem; } .irs-msg li::marker { color: var(--accent); }
.irs-msg h4 { font: 650 0.95rem/1.3 var(--font-display); margin: 0.75rem 0 0.25rem; letter-spacing: 0; } .irs-msg h4:first-child { margin-top: 0; }
.irs-msg b { font-weight: 650; } .irs-bot b { color: var(--fg); } .irs-msg code { font: 0.85em var(--font-mono); background: color-mix(in srgb, var(--fg) 7%, transparent); padding: 0.05em 0.35em; border-radius: 4px; }
.irs-msg a { color: var(--accent); text-decoration-thickness: 1px; }
.irs-bot { background: var(--bg); border: 1px solid var(--line); align-self: flex-start; border-bottom-left-radius: 4px; box-shadow: 0 1px 0 rgba(0,0,0,0.03); }
.irs-body > p:first-child { font-weight: 500; }
.irs-user { background: var(--accent); color: var(--accent-ink); align-self: flex-end; border-bottom-right-radius: 4px; }
.irs-dots { display: inline-flex; gap: 4px; padding: 0.2rem 0; } .irs-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); animation: irs-dot 1.2s infinite ease-in-out; } .irs-dots i:nth-child(2) { animation-delay: 0.15s; } .irs-dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes irs-dot { 0%, 80%, 100% { opacity: 0.25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-3px); } }
.irs-steps { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.5rem; } .irs-steps span { font: 500 0.68rem var(--font-mono); letter-spacing: 0.03em; color: var(--muted); border: 1px dashed var(--line); border-radius: 999px; padding: 0.1rem 0.5rem; }
.irs-src { margin-top: 0.55rem; padding-top: 0.45rem; border-top: 1px dashed var(--line); display: flex; flex-wrap: wrap; gap: 0.35rem; align-items: center; }
.irs-src-label, .irs-verify-label { font: 500 0.66rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-right: 0.2rem; }
.irs-src a { font-size: 0.78rem; border: 1px solid var(--line); border-radius: 999px; padding: 0.1rem 0.55rem; text-decoration: none; color: var(--accent); }
.irs-verify { margin-top: 0.6rem; padding: 0.5rem 0.65rem; border-radius: 8px; border: 1px solid var(--line); border-left: 4px solid #FFD166; background: color-mix(in srgb, #FFD166 8%, transparent); font-size: 0.8rem; display: grid; grid-template-columns: auto 1fr; gap: 0.2rem 0.6rem; align-items: center; }
.irs-verify.is-verified, .irs-verify.is-clear { border-left-color: #2E8B57; background: color-mix(in srgb, #2E8B57 8%, transparent); }
.irs-verify.is-contradicted, .irs-verify.is-hold { border-left-color: #C0392B; background: color-mix(in srgb, #C0392B 8%, transparent); }
.irs-verify-icon { width: 22px; height: 22px; color: var(--fg); } .irs-verify-icon svg { width: 22px; height: 22px; }
.irs-verify-text { display: flex; flex-wrap: wrap; gap: 0.15rem 0.6rem; align-items: baseline; min-width: 0; }
.irs-verify-fast, .irs-verify-full { font-weight: 600; } .irs-verify-link { grid-column: 2; color: var(--accent); font-weight: 600; text-decoration: none; }
.irs-src a img { width: 14px; height: 14px; vertical-align: -2px; margin-right: 0.3rem; border-radius: 3px; }
.irs-card { margin-top: 0.6rem; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: var(--bg-2); font-size: 0.9rem; max-width: 440px; box-shadow: 0 12px 30px -24px rgba(0,0,0,0.5); }
.irs-card > b, .irs-card-body b { font-family: var(--font-display); font-size: 1rem; display: block; }
.irs-card > b { padding: 0.6rem 0.8rem 0; } .irs-card img { display: block; width: 100%; height: auto; background: var(--iron); border-bottom: 1px solid var(--line); }
.irs-card-body { padding: 0.7rem 0.8rem; } .irs-card-body p { color: var(--muted); margin-top: 0.2rem; } .irs-card-body ul { margin-top: 0.4rem; padding-left: 1.1rem; }
.irs-card-links { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0.5rem 0.8rem 0.7rem; } .irs-card-links a { font-size: 0.8rem; border: 1px solid var(--line); border-radius: 999px; padding: 0.15rem 0.6rem; text-decoration: none; color: var(--accent); }
.irs-plans { display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); padding: 0.6rem 0.8rem; }
.irs-plan { border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 0.6rem; } .irs-plan-name { font: 500 0.68rem var(--font-mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); display: block; } .irs-plan-price { font: 700 1.05rem var(--font-display); display: block; margin: 0.15rem 0 0.3rem; font-variant-numeric: tabular-nums; } .irs-plan ul { padding-left: 1rem; font-size: 0.78rem; color: var(--muted); }
.irs-card-note { padding: 0 0.8rem 0.4rem; color: var(--muted); font-size: 0.82rem; }
.irs-contact { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0.6rem 0.8rem 0.8rem; align-items: center; } .irs-contact a { font-size: 0.85rem; } .irs-contact .btn { padding: 0.45rem 0.8rem; font-size: 0.85rem; }
.irs-chips { display: flex; align-items: center; gap: 0.5rem; padding: 0.35rem 0.8rem 0.35rem 0.9rem; border-top: 1px solid var(--line); min-width: 0; }
.irs-chips[hidden] { display: none; }
.irs-chips-label { font: 500 0.66rem var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); flex: 0 0 auto; }
.irs-chips-row { display: flex; gap: 0.4rem; overflow-x: auto; scrollbar-width: none; min-width: 0; flex: 1; mask-image: linear-gradient(90deg, #000 85%, transparent); -webkit-mask-image: linear-gradient(90deg, #000 85%, transparent); padding-right: 2rem; }
.irs-chips-row::-webkit-scrollbar { display: none; }
.irs-chip { flex: 0 0 auto; background: transparent; border: 1px solid var(--line); color: var(--fg); border-radius: 999px; padding: 0.22rem 0.65rem; font: 500 0.8rem var(--font-body); cursor: pointer; white-space: nowrap; max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
.irs-chip:hover { border-color: var(--accent); color: var(--accent); }
.irs-form { display: flex; gap: 0.45rem; padding: 0.6rem 0.8rem; border-top: 1px solid var(--line); align-items: flex-end; }
.irs-form[hidden] { display: none; }
.irs-form textarea { flex: 1; resize: none; border: 1px solid var(--line); background: var(--bg); color: var(--fg); border-radius: 10px; padding: 0.55rem 0.7rem; font: 0.95rem var(--font-body); line-height: 1.4; max-height: 120px; min-width: 0; }
.irs-send, .irs-mic { width: 40px; height: 40px; border-radius: 50%; border: 0; font-size: 1.1rem; cursor: pointer; flex: 0 0 auto; }
.irs-send { background: var(--fg); color: var(--bg); } .irs-send:disabled { opacity: 0.4; cursor: default; }
.irs-mic { background: transparent; border: 1px solid var(--line); color: var(--muted); font-size: 0.8rem; } .irs-mic[hidden] { display: none; } .irs-mic.on { color: #fff; background: #C0392B; border-color: #C0392B; animation: irs-pulse 1s infinite; }
@keyframes irs-pulse { 50% { box-shadow: 0 0 0 6px rgba(192,57,43,0.25); } }
.irs-lead { display: grid; gap: 0.45rem; padding: 0.7rem 0.8rem; border-top: 1px solid var(--line); } .irs-lead[hidden] { display: none; }
.irs-lead-head { display: flex; justify-content: space-between; align-items: center; } .irs-lead-head b { font-family: var(--font-display); }
.irs-lead-x { background: none; border: 0; font-size: 1.3rem; color: var(--muted); cursor: pointer; }
.irs-lead input, .irs-lead textarea { border: 1px solid var(--line); background: var(--bg); color: var(--fg); border-radius: 8px; padding: 0.5rem 0.65rem; font: 0.92rem var(--font-body); width: 100%; }
.irs-lead-row { display: flex; justify-content: space-between; align-items: center; gap: 0.6rem; } .irs-lead-note { font-size: 0.78rem; color: var(--muted); } .irs-lead .btn { padding: 0.5rem 0.9rem; font-size: 0.9rem; }
.irs-lead-msg { font-size: 0.85rem; color: var(--muted); min-height: 1.2em; }
.irs-foot { display: flex; gap: 0.5rem; justify-content: center; padding: 0.4rem 0.8rem 0.6rem; font-size: 0.78rem; color: var(--muted); }
.irs-link { color: var(--muted); background: none; border: 0; font: inherit; cursor: pointer; text-decoration: underline; padding: 0; }
.irs-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
@media (max-width: 520px) { .irs-panel { position: fixed; inset: 0; width: auto; height: auto; border-radius: 0; bottom: 0; } .irs-chat.open .irs-bubble { display: none; } .irs-expand { display: none; } }
@media (prefers-reduced-motion: reduce) { .irs-bubble, .irs-panel { transition: none; animation: none; } .irs-dots i, .irs-mic.on { animation: none; } }

.irs-verify-btn { grid-column: 2; justify-self: start; background: transparent; border: 1px solid var(--line); color: var(--accent); border-radius: 999px; padding: 0.2rem 0.7rem; font: 600 0.78rem var(--font-body); cursor: pointer; }
.irs-verify-btn:hover { border-color: var(--accent); } .irs-verify-btn:disabled { opacity: 0.6; cursor: default; }

.irs-verify-why { font-size: 0.78rem; color: var(--muted); width: 100%; } .irs-verify-why summary { cursor: pointer; color: var(--accent); font-weight: 600; } .irs-verify-why p { margin: 0.25rem 0 0; }

.irs-verify.is-available { border-left-color: var(--line); background: transparent; }
.irs-verify.is-pending { border-left-color: #FFD166; }
.irs-verify.is-supported { border-left-color: #2E8B57; background: color-mix(in srgb, #2E8B57 8%, transparent); }
.irs-verify.is-unconfirmed { border-left-color: #FFD166; }
.irs-verify-dots { grid-column: 2; }

/* ===== Image viewer ===== */
.irs-card img { cursor: zoom-in; }
.irs-lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(10,13,17,0.92); display: grid; place-items: center; padding: clamp(16px, 4vw, 48px); cursor: zoom-out; }
.irs-lightbox[hidden] { display: none; }
.irs-lightbox figure { margin: 0; max-width: min(1400px, 100%); max-height: 100%; display: grid; gap: 0.6rem; justify-items: center; }
.irs-lightbox img { max-width: 100%; max-height: calc(100vh - 110px); width: auto; height: auto; border-radius: 8px; box-shadow: 0 30px 80px -30px rgba(0,0,0,0.8); background: #fff; cursor: zoom-out; }
.irs-lightbox figcaption { color: #E9EDF1; font: 0.9rem var(--font-body); text-align: center; }
.irs-lb-close { position: fixed; top: calc(14px + env(safe-area-inset-top, 0px)); right: 14px; background: #fff; color: #1F262E; border: 0; border-radius: 999px; padding: 0.55rem 1rem; font: 600 0.95rem var(--font-body); cursor: pointer; box-shadow: 0 8px 24px -8px rgba(0,0,0,0.6); }
.irs-lb-close:hover { background: #FFD166; }
body.irs-lb-open { overflow: hidden; }

/* ===== Videos ===== */
.videos { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.video { margin: 0; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: 0 14px 30px -24px rgba(0,0,0,0.5); min-width: 0; }
.video video { display: block; width: 100%; height: auto; background: #000; aspect-ratio: 16 / 9; }
.video figcaption { padding: 0.6rem 0.9rem; font: 600 0.92rem var(--font-body); }
.irs-card video { display: block; width: 100%; height: auto; background: #000; aspect-ratio: 16 / 9; }

/* ===== Theme control ===== */
.theme { position: relative; margin-left: 0.6rem; order: 3; }
.site-header .nav { order: 2; } .site-header .brand { order: 1; } .site-header .nav-toggle { order: 4; }
.theme-trigger { display: inline-flex; align-items: center; gap: 0.4rem; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg); border-radius: 999px; padding: 0.3rem 0.7rem 0.3rem 0.5rem; font: 600 0.8rem var(--font-body); cursor: pointer; line-height: 1; }
.theme-trigger:hover, .theme.open .theme-trigger { border-color: var(--accent); color: var(--accent); }
.theme-icon { display: inline-grid; place-items: center; width: 16px; height: 16px; } .theme-icon svg, .theme-menu svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-menu { position: absolute; right: 0; top: calc(100% + 6px); display: grid; gap: 2px; padding: 4px; min-width: 140px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 16px 40px -20px rgba(0,0,0,0.5); z-index: 30; }
.theme-menu[hidden] { display: none; }
.theme-menu button { display: flex; align-items: center; gap: 0.5rem; width: 100%; border: 0; background: transparent; color: var(--fg); border-radius: 7px; padding: 0.45rem 0.6rem; font: 600 0.85rem var(--font-body); cursor: pointer; text-align: left; }
.theme-menu button:hover { background: color-mix(in srgb, var(--fg) 6%, transparent); }
.theme-menu button.on { background: var(--fg); color: var(--bg); }
@media (max-width: 1000px) { .theme-label { display: none; } .theme-trigger { padding: 0.35rem 0.5rem; } }
@media (max-width: 760px) { .theme { margin-left: auto; margin-right: 0.5rem; } .theme-label { display: none; } .theme-trigger { padding: 0.4rem 0.55rem; } }

/* ===== Chat panel: stand off the page ===== */
.irs-panel { --irs-surface: #FFFFFF; background: var(--irs-surface); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 10%, transparent), 0 40px 90px -30px rgba(0,0,0,0.55), 0 10px 30px -14px rgba(0,0,0,0.35); }
.irs-panel .irs-log { background: color-mix(in srgb, var(--accent) 3%, var(--irs-surface)); }
.irs-bot { background: var(--irs-surface); }
.irs-form, .irs-chips, .irs-foot, .irs-lead { background: var(--irs-surface); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .irs-panel { --irs-surface: #1C242E; border-color: color-mix(in srgb, #9CC4F5 40%, var(--line)); box-shadow: 0 0 0 4px rgba(156,196,245,0.12), 0 40px 90px -30px rgba(0,0,0,0.85), 0 10px 30px -14px rgba(0,0,0,0.6); } }
:root[data-theme="dark"] .irs-panel { --irs-surface: #1C242E; border-color: color-mix(in srgb, #9CC4F5 40%, var(--line)); box-shadow: 0 0 0 4px rgba(156,196,245,0.12), 0 40px 90px -30px rgba(0,0,0,0.85), 0 10px 30px -14px rgba(0,0,0,0.6); }
.irs-bubble { box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent), 0 14px 30px -14px rgba(0,0,0,0.6); }
.irs-verify.is-live { border-left-color: var(--muted); background: color-mix(in srgb, var(--fg) 4%, transparent); display: flex; flex-wrap: wrap; gap: 0.15rem 0.6rem; align-items: baseline; }
.irs-verify.is-live .irs-verify-badge { font: 600 0.72rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.irs-verify.is-live .irs-verify-text { display: inline; color: var(--muted); font-size: 0.85rem; }

/* ===== Four kinds of proof ===== */
.proofs { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.proof { display: block; background: var(--bg-2); padding: 1.3rem 1.3rem 1.4rem; color: inherit; text-decoration: none; min-width: 0; transition: background 0.2s; }
.proof:hover { background: color-mix(in srgb, var(--accent) 7%, var(--bg-2)); }
.proof .eyebrow { display: block; margin-bottom: 0.6rem; }
.proof b { display: block; font: 700 clamp(1.3rem, 2.2vw, 1.7rem)/1.15 var(--font-display); letter-spacing: -0.01em; text-wrap: balance; }
.proof p { margin: 0.55rem 0 0; color: var(--muted); font-size: 0.95rem; line-height: 1.5; }

/* ===== Collapsible inventory ===== */
.inventory { margin-top: 1px; }
.inventory > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 0.5rem; margin: 1rem 0 0; padding: 0.55rem 1rem; border: 1px solid var(--line); border-radius: 999px; font: 600 0.9rem var(--font-body); color: var(--fg); background: var(--bg-2); }
.inventory > summary::-webkit-details-marker { display: none; }
.inventory > summary::before { content: "+"; font: 700 1rem var(--font-mono); color: var(--accent); }
.inventory[open] > summary::before { content: "−"; }
.inventory > summary:hover { border-color: var(--accent); }
.inventory .when-open { display: none; } .inventory[open] .when-open { display: inline; } .inventory[open] .when-closed { display: none; }
.inventory > .features { margin-top: 1rem; }

/* ===== News ===== */
.news-meta { display: flex; gap: 0.9rem; align-items: center; margin-bottom: 0.6rem; } .news-meta time { font: 500 0.78rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.news-lead h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin-bottom: 1.2rem; text-wrap: balance; }
.tl { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.tl-item { display: grid; grid-template-columns: 170px 1fr; gap: 0.4rem 1.4rem; padding: 1.1rem 0 1.1rem 1.4rem; position: relative; min-width: 0; }
.tl-item::before { content: ""; position: absolute; left: -7px; top: 1.45rem; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--muted); }
.tl-item[data-kind="company"]::before { background: var(--accent); border-color: var(--accent); }
.tl-item[data-kind="linkedin"]::before { border-color: var(--accent); }
.tl-when { display: flex; flex-direction: column; gap: 0.25rem; } .tl-when time { font: 600 0.8rem var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; }
.tl-kind { font: 500 0.7rem var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.tl-item[data-kind="company"] .tl-kind { color: var(--accent); }
.tl-body h3 { margin: 0 0 0.4rem; font-size: 1.15rem; } .tl-body p { margin: 0; color: var(--muted); }
.tl-item[data-kind="company"] .tl-body p { color: var(--fg); }
.tl-body h3 a { color: inherit; text-decoration: none; } .tl-body h3 a:hover { color: var(--accent); }
.tl-src { display: block; margin-top: 0.4rem; font: 500 0.75rem var(--font-mono); letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 700px) { .tl-item { grid-template-columns: 1fr; gap: 0.2rem; } .tl-when { flex-direction: row; gap: 0.8rem; align-items: baseline; } }

/* ===== News filters ===== */
.filters { margin: 0 0 1.4rem; display: grid; gap: 0.6rem; }
.filter-row { display: flex; gap: 0.8rem; align-items: flex-start; flex-wrap: wrap; }
.filter-label { flex: 0 0 56px; padding-top: 0.45rem; font: 500 0.7rem var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.pills { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pill { display: inline-flex; align-items: center; gap: 0.4rem; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg); border-radius: 999px; padding: 0.38rem 0.8rem; font: 600 0.82rem var(--font-body); line-height: 1; cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.pill:hover { border-color: var(--accent); }
.pill .n { font: 500 0.7rem var(--font-mono); color: var(--muted); }
.pill.on { background: var(--fg); color: var(--bg); border-color: var(--fg); } .pill.on .n { color: color-mix(in srgb, var(--bg) 70%, transparent); }
.pill.on::before { content: "✓"; font-size: 0.75rem; }
.filter-status { margin: 0; font-size: 0.85rem; }
.tl-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-top: 0.5rem; }
.tl-tag { font: 500 0.68rem var(--font-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); border-radius: 4px; padding: 0.12rem 0.4rem; }
.tl-item[hidden] { display: none; }

/* ===== Nav search + legal pages ===== */
.nav-search { display: inline-flex; align-items: center; gap: 0.35rem; } .nav-search svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; }
.site-footer .legal br { display: block; content: ""; margin-top: 0.35rem; }
.wrap.measure h2 { margin-top: 1.8rem; font-size: 1.2rem; } .wrap.measure h2:first-child { margin-top: 0; }
.wrap.measure ul { padding-left: 1.2rem; } .wrap.measure li { margin-top: 0.4rem; }
.wrap.measure h3 { margin: 1rem 0 0.3rem; font-size: 1rem; }

/* ===== Screenshot gallery ===== */
.shots { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 460px), 1fr)); }
.shots .shot, .deck .shot { transform: none; } .shots .shot img, .deck .shot img { aspect-ratio: 2 / 1; object-fit: cover; object-position: top left; }
.deck .shot:hover { transform: none; }

.principles.four { grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }

.irs-chip-more { border-style: dashed; color: var(--muted); flex: 0 0 auto; } .irs-chip-more::before { content: "↻ "; }

.irs-open { display: inline-block; margin-top: 0.6rem; font-size: 0.9rem; padding: 0.5rem 0.9rem; }