/* impeccable-disable overused-font -- the product owner explicitly chose Attio-compatible Inter typography; the licensed variable build is self-hosted. */
@font-face {
  font-family: "InterVariable";
  src: url("/static/fonts/InterVariable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Inter Fallback";
  src: local("Arial");
  size-adjust: 107%;
  ascent-override: 90%;
  descent-override: 22%;
  line-gap-override: 0%;
}

:root {
  --canvas: #f7f8fa;
  --surface: #ffffff;
  --surface-subtle: #f0f2f5;
  --surface-hover: #f4f6f8;
  --ink: #17181a;
  --ink-2: #5c6169;
  --muted: #777d86;
  --line: #dfe3e8;
  --line-strong: #c8cdd4;
  --signal: #b7f23a;
  --signal-soft: #eefbcf;
  --signal-ink: #253700;
  --focus-ring: #91cb1c61;
  --meta: #6657d9;
  --meta-soft: #f0eeff;
  --google: #2f6fe4;
  --google-soft: #eaf2ff;
  --success: #147a4b;
  --success-soft: #e8f7ef;
  --warning: #98620a;
  --warning-soft: #fff4db;
  --danger: #b42336;
  --danger-soft: #fff0f2;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --mono: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "InterVariable", "Inter Fallback", sans-serif;
  --text-caption: .75rem;
  --text-ui: .875rem;
  --text-body: 1rem;
  --text-lead: 1.125rem;
  --text-title: 1.25rem;
  --text-section: 1.5rem;
  --text-page: 3rem;
  --text-display: 4.125rem;
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --ease: cubic-bezier(.22, 1, .36, 1);
  --shadow-float: 0 8px 24px rgba(23, 24, 26, .1);
}

* { box-sizing: border-box; }
html { background: var(--canvas); color: var(--ink); font-family: var(--sans); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: var(--canvas); color: var(--ink); font-size: var(--text-body); font-weight: 500; line-height: 1.5; letter-spacing: -.01em; font-optical-sizing: auto; font-kerning: normal; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; }
a { color: inherit; }
::selection { background: var(--signal); color: var(--signal-ink); }
.skip-link { position: fixed; left: var(--space-3); top: -100px; z-index: 100; background: var(--ink); color: var(--surface); border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); }
.skip-link:focus { top: var(--space-3); }
:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 3px; }

.topbar {
  height: 4.25rem;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 clamp(var(--space-5), 4vw, var(--space-16));
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(16px) saturate(140%);
}
.brand, .login-brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; width: fit-content; }
.brand-mark { width: 36px; height: 36px; display: inline-grid; grid-template-columns: 1fr 1fr; gap: 3px; place-items: stretch; flex: 0 0 36px; padding: 8px; background: var(--ink); border-radius: 9px; overflow: hidden; }
.brand-mark i { display: block; border-radius: 2px; transform: skew(-16deg); background: var(--signal); }
.brand-mark i:last-child { background: var(--surface); }
.brand strong, .brand small, .login-brand > span > small { display: block; }
.brand strong { font-size: var(--text-ui); font-weight: 650; letter-spacing: -.015em; }
.brand small, .login-brand small { color: var(--muted); font: 500 var(--text-caption)/1.3 var(--mono); margin-top: 2px; letter-spacing: -.02em; }
.topnav { display: flex; align-items: center; gap: 4px; }
.topnav a { padding: var(--space-2) var(--space-3); text-decoration: none; color: var(--ink-2); border-radius: 8px; font-size: var(--text-ui); line-height: 1.35; transition: background 180ms var(--ease), color 180ms var(--ease); }
.topnav a:hover { background: var(--surface-subtle); color: var(--ink); }
.topnav .topnav-accent { color: var(--ink); font-weight: 600; }
.topnav-accent span { display: inline-grid; place-items: center; width: 18px; height: 18px; margin-right: 3px; background: var(--signal); border-radius: 5px; }
.user-menu { justify-self: end; display: flex; align-items: center; gap: var(--space-2); font-size: var(--text-ui); color: var(--ink-2); }
.user-avatar { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--surface-subtle); color: var(--ink); font-size: var(--text-caption); font-weight: 650; }
.user-menu form { margin: 0; }
.link-button { border: 0; padding: 5px 0; background: none; color: var(--ink-2); cursor: pointer; text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; }
.link-button:hover { color: var(--ink); text-decoration-color: currentColor; }

.page-shell { width: min(87rem, calc(100% - var(--space-12))); margin: 0 auto; padding: var(--space-16) 0 var(--space-24); }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-8); margin-bottom: var(--space-10); }
.page-heading h1 { font-size: var(--text-page); line-height: 1.04; letter-spacing: -.03em; text-wrap: balance; margin: var(--space-2) 0 var(--space-3); font-weight: 600; font-variation-settings: "opsz" 32; }
.page-heading p:not(.context-label) { color: var(--ink-2); font-size: var(--text-lead); font-weight: 500; line-height: 1.45; max-width: 60ch; margin: 0; text-wrap: pretty; }
.compact-heading { margin-bottom: var(--space-8); }
.catalog-heading { align-items: flex-start; }
.heading-state { display: flex; align-items: flex-end; flex-direction: column; gap: var(--space-2); padding-top: var(--space-8); color: var(--muted); font: 500 var(--text-caption) var(--mono); }
.context-label { display: flex; align-items: center; gap: var(--space-2); color: var(--ink-2); font-size: var(--text-ui); font-weight: 550; line-height: 1.4; margin: 0; }
.count-label { color: var(--muted); font-size: var(--text-ui); font-weight: 500; margin: 0; }
.signal-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px var(--signal-soft); }
.back-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--ink-2); text-decoration: none; font-size: var(--text-ui); margin-bottom: var(--space-6); transition: color 180ms var(--ease); }
.back-link:hover { color: var(--ink); }

.button { min-height: 44px; border: 1px solid transparent; border-radius: var(--radius); padding: var(--space-3) var(--space-4); display: inline-flex; gap: var(--space-2); align-items: center; justify-content: center; text-decoration: none; cursor: pointer; font-size: var(--text-ui); line-height: 1.25; font-weight: 600; letter-spacing: -.01em; transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease); }
.button span { transition: transform 180ms var(--ease); }
.button:hover span[aria-hidden="true"] { transform: translateX(2px); }
.button:active { transform: scale(.985); }
.button:disabled { cursor: wait; opacity: .68; }
.button-primary { background: var(--ink); color: var(--surface); }
.button-primary:hover { background: #303236; }
.button-accent { background: var(--signal); color: var(--signal-ink); border-color: #9bd323; }
.button-accent:hover { background: #c4f75a; }
.button-secondary { border-color: var(--line-strong); color: var(--ink); background: var(--surface); }
.button-secondary:hover { background: var(--surface-subtle); }
.button-full { width: 100%; }
.button.is-loading::before { content: ""; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .75s linear infinite; }

.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: var(--space-16); background: var(--surface); }
.stat-grid article { min-height: 8.5rem; padding: var(--space-6); border-right: 1px solid var(--line); }
.stat-grid article:last-child { border-right: 0; }
.stat-grid span, .health-strip span { display: block; color: var(--ink-2); font-size: var(--text-ui); font-weight: 550; }
.stat-grid strong { display: block; margin: var(--space-4) 0 var(--space-1); font-size: 2rem; line-height: 1; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
.stat-grid small { color: var(--muted); font-size: var(--text-ui); }

.section-block { margin-top: var(--space-16); }
.section-title-row { display: flex; justify-content: space-between; align-items: end; gap: var(--space-5); margin-bottom: var(--space-5); }
.section-title-row h2 { font-size: var(--text-section); line-height: 1.2; font-weight: 600; letter-spacing: -.02em; margin: var(--space-1) 0 0; font-variation-settings: "opsz" 24; }
.catalog-list { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--surface); }
.catalog-row { display: grid; grid-template-columns: 44px minmax(220px, 1fr) auto 150px 28px; gap: var(--space-4); align-items: center; min-height: 76px; padding: var(--space-4); border-bottom: 1px solid var(--line); text-decoration: none; transition: background 180ms var(--ease); }
.catalog-row:last-child { border-bottom: 0; }
.catalog-row:hover { background: var(--surface-hover); }
.catalog-glyph { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); background: var(--surface-subtle); color: var(--ink); border-radius: 9px; font: 650 11px var(--mono); }
.catalog-main strong, .catalog-main small { display: block; }
.catalog-main strong { font-size: var(--text-body); font-weight: 600; letter-spacing: -.012em; }
.catalog-main small { margin-top: var(--space-1); color: var(--muted); font-size: var(--text-ui); }
.catalog-date { color: var(--muted); font: 500 var(--text-caption) var(--mono); }
.arrow { color: var(--ink-2); font-size: 19px; transition: transform 180ms var(--ease), color 180ms var(--ease); }
.catalog-row:hover .arrow { color: var(--ink); transform: translateX(3px); }
.empty-state { display: grid; grid-template-columns: minmax(280px, .8fr) minmax(360px, 1.2fr); gap: clamp(var(--space-12), 6vw, var(--space-24)); align-items: center; padding: clamp(var(--space-12), 5vw, 4.5rem); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.empty-state h3 { font-size: 2rem; line-height: 1.15; font-weight: 600; letter-spacing: -.025em; margin: var(--space-2) 0 var(--space-3); font-variation-settings: "opsz" 28; }
.empty-state p:not(.context-label) { color: var(--ink-2); max-width: 60ch; font-size: var(--text-body); line-height: 1.55; margin: 0 0 var(--space-6); }
.empty-flow { min-height: 220px; display: grid; grid-template-columns: 1fr 44px 1fr; grid-template-rows: 1fr 1fr; align-items: center; gap: 12px; position: relative; }
.empty-flow span { min-height: 56px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: var(--radius); background: var(--canvas); color: var(--ink-2); font-size: var(--text-ui); font-weight: 600; }
.empty-flow > span:first-child { grid-row: 1 / 3; }
.empty-flow > span:nth-of-type(2) { grid-row: 1 / 3; background: var(--signal-soft); border-color: #cae996; color: var(--signal-ink); }
.empty-flow i { height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.empty-flow i::after { content: ""; position: absolute; inset: 0 auto 0 -16px; width: 16px; background: var(--signal); animation: rail 2.4s var(--ease) infinite; }
.empty-flow .flow-meta { color: var(--meta); background: var(--meta-soft); border-color: #d8d2ff; }
.empty-flow .flow-google { color: var(--google); background: var(--google-soft); border-color: #cbdcff; }

.status { display: inline-flex; align-items: center; gap: var(--space-2); width: fit-content; min-height: 28px; border: 1px solid var(--line); border-radius: 999px; padding: var(--space-1) var(--space-2); font: 650 var(--text-caption) var(--mono); white-space: nowrap; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-ready, .status-active { color: var(--success); background: var(--success-soft); border-color: #b8e4cd; }
.status-building, .status-draft { color: var(--warning); background: var(--warning-soft); border-color: #f0dca9; }
.status-failed, .status-blocked { color: var(--danger); background: var(--danger-soft); border-color: #f0c3ca; }
.alert { padding: var(--space-3) var(--space-4); border: 1px solid; border-radius: var(--radius); margin-bottom: var(--space-6); font-size: var(--text-ui); line-height: 1.5; }
.alert-error { color: var(--danger); border-color: #f0c3ca; background: var(--danger-soft); }

.intake-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--space-6); align-items: start; }
.form-panel { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.form-section { display: grid; grid-template-columns: 48px minmax(0, 1fr); gap: var(--space-5); padding: var(--space-8); border-bottom: 1px solid var(--line); }
.form-section:last-child { border-bottom: 0; }
.step-number { width: 32px; height: 32px; display: grid; place-items: center; color: var(--signal-ink); background: var(--signal-soft); border-radius: 9px; font: 650 11px var(--mono); }
.form-section h2 { margin: var(--space-1) 0 var(--space-6); font-size: var(--text-title); line-height: 1.25; font-weight: 600; letter-spacing: -.015em; }
.form-grid { display: grid; gap: var(--space-5); }
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.three-col { grid-template-columns: repeat(3, minmax(0, 1fr)); }
label { display: grid; gap: var(--space-2); color: var(--ink-2); font-size: var(--text-ui); font-weight: 550; line-height: 1.4; }
input, select { width: 100%; min-height: 48px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); color: var(--ink); padding: var(--space-3); font-size: var(--text-body); font-weight: 500; letter-spacing: -.01em; transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), background 180ms var(--ease); }
input::placeholder { color: #6f757e; }
input:hover, select:hover { border-color: #adb3bc; }
input:focus, select:focus { border-color: var(--ink); outline: 0; box-shadow: 0 0 0 3px var(--focus-ring); }
input[type="color"] { padding: 4px; }
input[type="checkbox"] { width: 18px; min-height: 18px; accent-color: var(--ink); }
input[type="file"]::file-selector-button { border: 0; border-radius: 7px; margin-right: 10px; padding: 7px 10px; background: var(--surface-subtle); color: var(--ink); cursor: pointer; }
.upload-zone { display: grid; grid-template-columns: 1fr auto 1fr; gap: var(--space-4); align-items: end; }
.upload-zone > span { color: var(--muted); padding-bottom: var(--space-4); font-size: var(--text-caption); }
.file-label input { padding: 7px; }
.field-help, .fine-print { color: var(--muted); font-size: var(--text-ui); line-height: 1.5; }
.intake-aside { position: sticky; top: 92px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: var(--space-6); }
.intake-aside h3 { font-size: var(--text-section); line-height: 1.2; font-weight: 600; letter-spacing: -.02em; margin: var(--space-2) 0 var(--space-5); }
.contract-list { list-style: none; padding: 0; margin: 0 0 22px; counter-reset: contract; }
.contract-list li { counter-increment: contract; padding: var(--space-3) 0 var(--space-3) var(--space-8); border-bottom: 1px solid var(--line); color: var(--ink-2); position: relative; font-size: var(--text-ui); }
.contract-list li::before { content: counter(contract, decimal-leading-zero); position: absolute; left: 0; color: var(--ink); font: 650 var(--text-caption) var(--mono); }
.callout { padding: 14px; margin: 20px 0; border: 1px solid #f0dca9; border-radius: var(--radius); background: var(--warning-soft); color: var(--warning); }
.callout strong, .callout span { display: block; }
.callout span { color: #6e4c12; font-size: var(--text-ui); line-height: 1.5; margin-top: var(--space-1); }

.health-strip { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 24px; background: var(--surface); }
.health-strip div { padding: var(--space-4); border-right: 1px solid var(--line); }
.health-strip div:last-child { border-right: 0; }
.health-strip strong { display: block; margin-top: var(--space-2); font: 650 var(--text-ui) var(--mono); }
.channel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.channel-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; padding: var(--space-6); min-width: 0; }
.meta-card { background: linear-gradient(180deg, var(--meta-soft) 0, var(--surface) 160px); border-color: #d8d2ff; }
.google-card { background: linear-gradient(180deg, var(--google-soft) 0, var(--surface) 160px); border-color: #cbdcff; }
.channel-header { display: flex; justify-content: space-between; gap: var(--space-4); }
.channel-title { display: flex; align-items: flex-start; gap: var(--space-3); }
.channel-symbol, .channel-mini { width: 36px; height: 36px; flex: 0 0 36px; display: grid; place-items: center; border-radius: 9px; font-size: var(--text-ui); font-weight: 700; }
.meta-card .channel-symbol, .demo-meta .channel-mini { background: var(--meta); color: white; }
.google-card .channel-symbol, .demo-google .channel-mini { background: var(--google); color: white; }
.channel-header h2 { max-width: 28ch; font-size: var(--text-title); line-height: 1.2; font-weight: 600; letter-spacing: -.02em; margin: var(--space-1) 0 0; }
.channel-badge { align-self: start; color: var(--ink-2); border: 1px solid var(--line-strong); background: rgba(255, 255, 255, .72); padding: var(--space-1) var(--space-2); border-radius: 999px; font-size: var(--text-caption); font-weight: 650; }
.channel-copy { color: var(--ink-2); line-height: 1.55; min-height: 76px; font-size: var(--text-body); }
.probe-state { margin: var(--space-4) 0 var(--space-5); padding: var(--space-4); border: 1px solid #f0dca9; background: var(--warning-soft); border-radius: var(--radius); }
.probe-state > div { display: flex; justify-content: space-between; gap: var(--space-3); color: var(--warning); font: 650 var(--text-caption) var(--mono); }
.probe-state p { margin: var(--space-2) 0 0; color: #6e4c12; font-size: var(--text-ui); line-height: 1.5; }
.probe-state form { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-3); }
.probe-verified { border-color: #b8e4cd; background: var(--success-soft); }
.probe-verified > div, .probe-verified p { color: var(--success); }
.probe-failed { border-color: #f0c3ca; background: var(--danger-soft); }
.probe-failed > div, .probe-failed p, .danger-link { color: var(--danger); }
.build-form { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-4); padding-top: var(--space-5); border-top: 1px solid var(--line); }
.build-form .button { grid-column: 1 / -1; }
.meta-card .build-form .button-primary { background: var(--meta); }
.meta-card .build-form .button-primary:hover { background: #5546c8; }
.google-card .build-form .button-primary { background: var(--google); }
.google-card .build-form .button-primary:hover { background: #245fc9; }
.google-build { grid-template-columns: 1fr; }
.inline-details { margin-top: var(--space-4); border-top: 1px solid var(--line); padding-top: var(--space-4); }
.inline-details summary { cursor: pointer; color: var(--ink-2); font-size: var(--text-ui); }
.template-form { display: grid; grid-template-columns: 1fr 100px; gap: var(--space-3); padding-top: var(--space-4); }
.template-form .button, .template-form > label:nth-child(4) { grid-column: auto; }
.check-label { display: flex; align-items: center; gap: var(--space-2); }
.evidence-note { display: flex; gap: var(--space-3); padding: var(--space-4); border: 1px solid #cbdcff; background: var(--google-soft); border-radius: var(--radius); }
.evidence-note > span { width: 32px; height: 32px; flex: 0 0 32px; display: grid; place-items: center; color: var(--google); border: 1px solid currentColor; border-radius: 8px; font: 650 11px var(--mono); }
.evidence-note p, .evidence-note strong { display: block; margin: 0; }
.evidence-note p { color: #39547f; font-size: var(--text-ui); line-height: 1.5; }
.evidence-note strong { color: var(--ink); }
.approval-check { display: flex; grid-template-columns: none; gap: var(--space-3); align-items: flex-start; line-height: 1.45; }

.revision-table { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; }
.revision-row { display: grid; grid-template-columns: 70px minmax(240px, 1fr) 90px 190px 110px; gap: var(--space-4); align-items: center; min-height: 60px; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: var(--text-ui); }
.revision-row:last-child { border-bottom: 0; }
.revision-row strong, .revision-row small { display: block; }
.revision-row small { color: var(--muted); margin-top: 3px; }
.revision-head { min-height: 40px; background: var(--surface-subtle); color: var(--ink-2); font-size: var(--text-caption); font-weight: 650; }
.empty-inline { padding: var(--space-7); border: 1px dashed var(--line-strong); border-radius: var(--radius-lg); color: var(--muted); background: var(--surface); }
.endpoint-list { margin-top: var(--space-7); }
.endpoint-list > p { margin-bottom: var(--space-3); }
.endpoint-list > div { display: grid; grid-template-columns: 210px minmax(0, 1fr) 120px; gap: var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--line); align-items: center; font-size: var(--text-ui); }
.endpoint-list a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #275cb5; text-underline-offset: 3px; }
.endpoint-list em { text-align: right; color: var(--muted); font: normal var(--text-caption) var(--mono); }
.product-table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.product-table { border-collapse: collapse; width: 100%; min-width: 840px; }
.product-table th { text-align: left; padding: var(--space-3) var(--space-4); background: var(--surface-subtle); color: var(--ink-2); font-size: var(--text-caption); font-weight: 650; border-bottom: 1px solid var(--line); }
.product-table td { padding: var(--space-4); border-bottom: 1px solid var(--line); color: var(--ink-2); font-size: var(--text-ui); }
.product-table tr:last-child td { border-bottom: 0; }
.product-table tbody tr:hover { background: var(--surface-hover); }
.product-table strong, .product-table small { display: block; }
.product-table small { color: var(--muted); margin-top: 3px; }
.product-table code { color: var(--ink); font-family: var(--mono); }

.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(640px, 1.22fr) minmax(420px, .78fr); background: var(--surface); }
.login-proof { padding: clamp(var(--space-8), 4vw, 4.25rem); display: grid; grid-template-rows: auto auto 1fr; gap: clamp(var(--space-8), 5vh, 3.5rem); border-right: 1px solid var(--line); background: var(--canvas); overflow: hidden; }
.login-brand { font-weight: 650; }
.login-brand > span:last-child { font-size: var(--text-ui); }
.login-copy { align-self: end; }
.login-proof h1 { font-size: clamp(3rem, 5vw, 4.75rem); line-height: .98; letter-spacing: -.042em; text-wrap: balance; margin: var(--space-4) 0 var(--space-5); font-weight: 600; font-variation-settings: "opsz" 56; max-width: 860px; }
.login-lede { max-width: 720px; color: var(--ink-2); font-size: clamp(var(--text-body), 1.3vw, var(--text-title)); line-height: 1.5; text-wrap: pretty; }
.transformation-demo { align-self: end; width: min(900px, 100%); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; box-shadow: 0 16px 40px rgba(23, 24, 26, .06); }
.demo-toolbar { height: 42px; padding: 0 14px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10px; }
.demo-toolbar strong { color: var(--ink-2); font-weight: 620; }
.demo-lights { display: flex; gap: 5px; }
.demo-lights i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.demo-lights i:first-child { background: var(--signal); }
.demo-live { justify-self: end; display: flex; align-items: center; gap: 6px; }
.demo-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--success); animation: breathe 1.8s var(--ease) infinite; }
.demo-canvas { min-height: 218px; display: grid; grid-template-columns: minmax(190px, .8fr) 120px minmax(250px, 1.2fr); gap: 14px; align-items: center; padding: 18px; background: var(--canvas); }
.demo-source, .demo-output { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.demo-source { padding: 14px; }
.demo-kicker { color: var(--muted); font-size: 10px; font-weight: 600; }
.source-product { display: flex; align-items: center; gap: 10px; margin: 12px 0; }
.source-thumb { width: 44px; height: 52px; display: grid; place-items: center; background: var(--surface-subtle); border-radius: 8px; color: var(--muted); font: 600 9px var(--mono); }
.source-product strong, .source-product small { display: block; }
.source-product strong { font-size: 12px; }
.source-product small { color: var(--muted); font-size: 9px; margin-top: 3px; }
.source-fields { display: flex; flex-wrap: wrap; gap: 5px; }
.source-fields span { padding: 4px 6px; border-radius: 5px; background: var(--surface-subtle); color: var(--ink-2); font: 500 8px var(--mono); }
.demo-rail { height: 110px; display: grid; grid-template-columns: 20px 1fr 20px 1fr 20px; align-items: center; }
.demo-rail > i { height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.demo-rail > i::after { content: ""; position: absolute; inset: 0 auto 0 -18px; width: 18px; background: var(--signal); animation: rail 2.4s var(--ease) infinite; }
.rail-node { width: 20px; height: 20px; display: grid; place-items: center; border: 1px solid #cae996; border-radius: 50%; background: var(--signal-soft); color: var(--signal-ink); font-size: 9px; }
.rail-node-active { background: var(--surface); position: relative; }
.rail-node-active::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: breathe 1.8s var(--ease) infinite; }
.rail-split { border: 0; background: var(--ink); color: white; position: relative; }
.rail-split::before, .rail-split::after { content: ""; position: absolute; left: 9px; width: 20px; height: 1px; background: var(--line-strong); transform-origin: left; }
.rail-split::before { transform: rotate(-27deg); }
.rail-split::after { transform: rotate(27deg); }
.demo-outputs { display: grid; gap: 10px; }
.demo-output { padding: 10px; }
.demo-output header { display: flex; gap: 9px; align-items: center; }
.demo-output header strong, .demo-output header small { display: block; }
.demo-output header strong { font-size: 11px; }
.demo-output header small { color: var(--muted); font-size: 9px; margin-top: 2px; }
.demo-output .channel-mini { width: 28px; height: 28px; flex-basis: 28px; border-radius: 7px; font-size: 9px; }
.creative-preview { height: 70px; margin-top: 9px; padding: 10px; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr; border-radius: 7px; background: var(--ink); color: white; overflow: hidden; position: relative; }
.creative-preview::after { content: ""; position: absolute; width: 62px; height: 62px; right: 26%; bottom: -32px; border-radius: 50%; background: var(--signal); opacity: .86; }
.creative-preview span { color: var(--signal); font: 650 7px var(--mono); }
.creative-preview strong { font-size: 19px; justify-self: end; z-index: 1; }
.creative-preview small { align-self: end; font-size: 9px; z-index: 1; }
.enriched-fields { display: grid; gap: 5px; margin-top: 9px; }
.enriched-fields span { display: flex; align-items: center; gap: 6px; padding: 5px 7px; border-radius: 5px; background: var(--google-soft); color: #39547f; font-size: 8px; }
.enriched-fields i { width: 5px; height: 5px; border-radius: 50%; background: var(--google); }
.login-panel { display: grid; place-items: center; padding: clamp(28px, 5vw, 80px); background: var(--surface); }
.login-card { width: min(420px, 100%); }
.login-card h2 { font-size: 2rem; line-height: 1.12; letter-spacing: -.03em; text-wrap: balance; margin: var(--space-2) 0; font-weight: 600; }
.muted { color: var(--ink-2); line-height: 1.55; }
.stack-form { display: grid; gap: var(--space-5); margin-top: var(--space-8); }
.stack-form .button { margin-top: 3px; }
.security-line { display: flex; gap: var(--space-2); margin-top: var(--space-6); }
.security-line > span { width: 18px; height: 18px; flex: 0 0 18px; display: grid; place-items: center; border-radius: 50%; background: var(--success-soft); color: var(--success); font-size: 10px; }

/* Public product story */
.landing-shell { overflow: hidden; background: var(--surface); }
.landing-header { width: min(87rem, calc(100% - var(--space-12))); height: 4.75rem; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .94); position: relative; z-index: 30; }
.landing-brand { justify-self: start; }
.landing-nav { display: flex; align-items: center; gap: var(--space-1); }
.landing-nav a { color: var(--ink-2); padding: var(--space-2) var(--space-3); border-radius: 8px; text-decoration: none; font-size: var(--text-ui); transition: color 180ms var(--ease), background 180ms var(--ease); }
.landing-nav a:hover { color: var(--ink); background: var(--surface-subtle); }
.landing-login { justify-self: end; min-height: 40px; padding-block: var(--space-2); }
.landing-actions { justify-self: end; display: flex; align-items: center; gap: var(--space-3); }
.language-switcher { display: inline-flex; align-items: center; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-subtle); }
.language-switcher a { min-width: 2rem; min-height: 1.75rem; display: grid; place-items: center; border-radius: 6px; color: var(--muted); text-decoration: none; font: 650 .625rem var(--mono); transition: color 180ms var(--ease), background 180ms var(--ease), box-shadow 180ms var(--ease); }
.language-switcher a:hover { color: var(--ink); }
.language-switcher a[aria-current="page"] { color: var(--ink); background: var(--surface); box-shadow: 0 1px 3px rgba(23, 24, 26, .1); }

.landing-hero { width: min(87rem, calc(100% - var(--space-12))); min-height: 47rem; margin: 0 auto; padding: clamp(var(--space-16), 8vw, 7.5rem) 0 var(--space-24); display: grid; grid-template-columns: minmax(0, .92fr) minmax(34rem, 1.08fr); gap: clamp(var(--space-12), 7vw, var(--space-24)); align-items: center; }
.hero-copy h1 { max-width: 14.5ch; margin: var(--space-5) 0 var(--space-6); font-size: clamp(3.25rem, 5vw, var(--text-display)); font-weight: 600; line-height: .98; letter-spacing: -.043em; text-wrap: balance; font-variation-settings: "opsz" 64; }
.hero-meta { color: var(--meta); }
.hero-google { color: var(--google); }
.hero-lede { max-width: 39rem; margin: 0; color: var(--ink-2); font-size: var(--text-lead); line-height: 1.5; text-wrap: pretty; }
.hero-actions { display: flex; align-items: center; gap: var(--space-6); margin-top: var(--space-8); }
.text-link { display: inline-flex; gap: var(--space-2); align-items: center; color: var(--ink-2); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 5px; font-size: var(--text-ui); font-weight: 600; }
.text-link:hover { color: var(--ink); text-decoration-color: currentColor; }
.hero-guardrails { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); margin: var(--space-8) 0 0; padding: var(--space-5) 0 0; border-top: 1px solid var(--line); }
.hero-guardrails li { position: relative; padding-left: var(--space-4); color: var(--muted); font-size: var(--text-caption); }
.hero-guardrails li::before { content: ""; position: absolute; width: 6px; height: 6px; left: 0; top: .4rem; border-radius: 50%; background: var(--success); }

.hero-product { min-width: 0; }
.product-window { border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; box-shadow: 0 24px 70px rgba(23, 24, 26, .08); }
.window-bar { min-height: 3rem; padding: 0 var(--space-4); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); color: var(--muted); font-size: var(--text-caption); }
.window-bar strong { color: var(--ink-2); font-weight: 600; }
.window-lights { display: flex; gap: 5px; }
.window-lights i { width: 8px; height: 8px; border-radius: 50%; background: var(--line-strong); }
.window-lights i:first-child { background: var(--signal); }
.window-state { justify-self: end; display: flex; align-items: center; gap: 6px; font-family: var(--mono); }
.window-state i { width: 6px; height: 6px; border-radius: 50%; background: var(--success); animation: breathe 1.8s var(--ease) infinite; }
.product-flow { min-height: 25rem; padding: var(--space-8); display: grid; grid-template-columns: minmax(10rem, .9fr) 5.5rem minmax(12.5rem, 1.1fr); gap: var(--space-4); align-items: center; background: var(--canvas); }
.flow-source, .result-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.flow-source { padding: var(--space-5); }
.flow-label { color: var(--muted); font-size: var(--text-caption); font-weight: 600; }
.flow-product-row { display: flex; align-items: center; gap: var(--space-3); margin: var(--space-4) 0; }
.flow-product-row strong, .flow-product-row small { display: block; }
.flow-product-row strong { font-size: var(--text-ui); font-weight: 600; }
.flow-product-row small { margin-top: 3px; color: var(--muted); font-size: .6875rem; }
.product-shape { width: 3.25rem; height: 3.75rem; flex: 0 0 3.25rem; display: grid; place-items: center; border-radius: 8px; background: var(--surface-subtle); }
.product-shape i, .jacket-shape i { width: 1.75rem; height: 2.5rem; display: block; background: #30343b; clip-path: polygon(30% 0, 43% 9%, 57% 9%, 70% 0, 100% 22%, 82% 43%, 77% 100%, 23% 100%, 18% 43%, 0 22%); }
.raw-fields { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.raw-fields span { padding: var(--space-1) var(--space-2); border-radius: 5px; background: var(--surface-subtle); color: var(--ink-2); font: 500 .625rem var(--mono); }
.flow-source > p { margin: var(--space-4) 0 0; padding-top: var(--space-3); border-top: 1px solid var(--line); color: var(--muted); font-size: .6875rem; }
.flow-transform { display: grid; grid-template-columns: 1.25rem 1fr 1.25rem 1fr 1.25rem; align-items: center; }
.flow-transform > span, .flow-transform b { width: 1.25rem; height: 1.25rem; display: grid; place-items: center; border: 1px solid #cae996; border-radius: 50%; background: var(--signal-soft); color: var(--signal-ink); font-size: .5625rem; }
.flow-transform b { position: relative; background: var(--surface); }
.flow-transform b::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--signal); animation: breathe 1.8s var(--ease) infinite; }
.flow-transform > span:last-child { border: 0; background: var(--ink); position: relative; }
.flow-transform > i { height: 1px; background: var(--line-strong); position: relative; overflow: hidden; }
.flow-transform > i::after { content: ""; position: absolute; inset: 0 auto 0 -18px; width: 18px; background: var(--signal); animation: rail 2.4s var(--ease) infinite; }
.flow-results { display: grid; gap: var(--space-3); }
.result-card { padding: var(--space-3); }
.result-card header { display: grid; grid-template-columns: 1.75rem 1fr auto; gap: var(--space-2); align-items: center; }
.result-card header > span { width: 1.75rem; height: 1.75rem; display: grid; place-items: center; border-radius: 7px; color: white; font-size: .6875rem; font-weight: 700; }
.result-meta header > span { background: var(--meta); }
.result-google header > span { background: var(--google); }
.result-card header strong { font-size: var(--text-caption); font-weight: 650; }
.result-card header small { color: var(--muted); font: 500 .625rem var(--mono); }
.meta-art { min-height: 7rem; margin-top: var(--space-3); padding: var(--space-3); display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr; border-radius: 7px; background: var(--ink); color: white; overflow: hidden; position: relative; }
.meta-art em { color: var(--signal); font: normal 650 .5625rem var(--mono); }
.meta-art b { justify-self: end; font-size: var(--text-section); z-index: 1; }
.meta-art small { align-self: end; z-index: 1; }
.meta-art > i { position: absolute; width: 5rem; height: 5rem; left: 46%; bottom: -2rem; border-radius: 50%; background: var(--signal); opacity: .86; }
.google-rows { display: grid; gap: var(--space-1); margin-top: var(--space-3); }
.google-rows span { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2); border-radius: 5px; background: var(--google-soft); color: #39547f; font-size: .6875rem; }
.google-rows i { width: 5px; height: 5px; border-radius: 50%; background: var(--google); }
.product-caption { display: flex; gap: var(--space-3); margin: var(--space-4) 0 0; color: var(--muted); font-size: var(--text-caption); line-height: 1.5; }
.product-caption span { color: var(--ink); font-family: var(--mono); font-weight: 650; }

.definition-strip { width: min(87rem, calc(100% - var(--space-12))); margin: 0 auto var(--space-16); padding: var(--space-8); display: grid; grid-template-columns: minmax(12rem, .6fr) minmax(24rem, 1.4fr); gap: var(--space-6) clamp(var(--space-8), 6vw, var(--space-16)); align-items: start; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface-subtle); }
.definition-strip h2 { margin: 0; font-size: var(--text-title); line-height: 1.2; font-weight: 600; letter-spacing: -.02em; }
.definition-strip p:not(.section-index) { margin: 0; color: var(--ink-2); font-size: var(--text-lead); line-height: 1.55; text-wrap: pretty; }
.definition-strip > strong { grid-column: 2; padding-top: var(--space-5); border-top: 1px solid var(--line-strong); color: var(--ink); font-size: var(--text-ui); font-weight: 650; }

.problem-section, .channels-section, .workflow-section, .audience-section, .benefit-section, .channel-comparison-section, .faq-section { width: min(87rem, calc(100% - var(--space-12))); margin: 0 auto; padding: var(--space-24) 0; border-top: 1px solid var(--line); }
.problem-section { display: grid; grid-template-columns: minmax(19rem, .82fr) minmax(28rem, 1.18fr); gap: clamp(var(--space-12), 8vw, 8rem); }
.section-intro { max-width: 42rem; }
.section-index, .feature-number { margin: 0 0 var(--space-4); color: var(--muted); font: 600 var(--text-caption) var(--mono); }
.section-intro h2, .feature-copy h2, .landing-cta h2 { margin: 0; font-size: clamp(2.25rem, 3.5vw, var(--text-page)); font-weight: 600; line-height: 1.04; letter-spacing: -.035em; text-wrap: balance; font-variation-settings: "opsz" 40; }
.section-intro > p:last-child { margin: var(--space-5) 0 0; color: var(--ink-2); font-size: var(--text-lead); line-height: 1.5; text-wrap: pretty; }
.problem-list { border-top: 1px solid var(--line); }
.problem-list article { display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-5); padding: var(--space-6) 0; border-bottom: 1px solid var(--line); }
.problem-list article > span { color: var(--muted); font: 600 var(--text-caption) var(--mono); }
.problem-list h3, .workflow-list h3, .audience-grid h3 { margin: 0; font-size: var(--text-title); line-height: 1.25; font-weight: 600; letter-spacing: -.018em; }
.problem-list p, .workflow-list p, .audience-grid p, .benefit-grid p { margin: var(--space-2) 0 0; color: var(--ink-2); font-size: var(--text-ui); line-height: 1.55; }

.channels-section { padding-bottom: 0; }
.compact-intro { margin-bottom: var(--space-16); }
.channel-feature { min-height: 46rem; display: grid; grid-template-columns: minmax(24rem, .9fr) minmax(31rem, 1.1fr); gap: clamp(var(--space-12), 8vw, 8rem); align-items: center; padding: var(--space-24) 0; border-top: 1px solid var(--line); }
.feature-number { color: var(--meta); }
.feature-google .feature-number { color: var(--google); }
.feature-copy h2 { max-width: 14ch; }
.feature-lede { max-width: 39rem; margin: var(--space-5) 0 0; color: var(--ink-2); font-size: var(--text-lead); line-height: 1.5; }
.feature-list { list-style: none; margin: var(--space-8) 0 0; padding: 0; border-top: 1px solid var(--line); }
.feature-list li { display: grid; grid-template-columns: minmax(9rem, .42fr) minmax(15rem, .58fr); gap: var(--space-5); padding: var(--space-4) 0; border-bottom: 1px solid var(--line); }
.feature-list span { font-size: var(--text-ui); font-weight: 650; }
.feature-list small { color: var(--ink-2); font-size: var(--text-ui); line-height: 1.5; }
.availability-note { margin-top: var(--space-6); padding: var(--space-4); border: 1px solid #d8d2ff; border-radius: var(--radius); background: var(--meta-soft); color: #4937a0; font-size: var(--text-caption); line-height: 1.5; }
.feature-google .availability-note { border-color: #cbdcff; background: var(--google-soft); color: #1e4fa8; }

.meta-comparison, .google-diff { border: 1px solid var(--line-strong); border-radius: var(--radius-lg); background: var(--surface); overflow: hidden; box-shadow: 0 24px 70px rgba(23, 24, 26, .07); }
.comparison-head { min-height: 3rem; padding: 0 var(--space-6); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); color: var(--muted); font: 600 var(--text-caption) var(--mono); }
.comparison-head span:last-child { text-align: right; }
.comparison-head i { width: 4rem; height: 1px; background: var(--line); }
.comparison-stage { min-height: 27rem; padding: var(--space-8); display: grid; grid-template-columns: 1fr 2.5rem 1fr; gap: var(--space-4); align-items: center; background: var(--canvas); }
.plain-card, .creative-card { aspect-ratio: 4 / 5; padding: var(--space-5); display: grid; position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.plain-card .jacket-shape, .creative-card .jacket-shape { width: 70%; align-self: center; justify-self: center; display: grid; place-items: center; }
.plain-card .jacket-shape i, .creative-card .jacket-shape i { width: 6rem; height: 9rem; }
.plain-card small { align-self: end; color: var(--ink-2); }
.comparison-arrow { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border: 1px solid #cae996; border-radius: 50%; background: var(--signal-soft); color: var(--signal-ink); }
.creative-card { grid-template-columns: 1fr auto; grid-template-rows: auto 1fr auto; border-color: #303236; background: var(--ink); color: white; }
.creative-card::after { content: ""; position: absolute; width: 12rem; height: 12rem; right: -4.5rem; bottom: -5rem; border-radius: 50%; background: var(--signal); }
.creative-card em { color: var(--signal); font: normal 650 .625rem var(--mono); }
.creative-card b { font-size: 1.75rem; line-height: 1; z-index: 1; }
.creative-card .jacket-shape { grid-column: 1 / -1; z-index: 1; }
.creative-card .jacket-shape i { background: white; }
.creative-card small { align-self: end; z-index: 1; }
.meta-comparison > footer { min-height: 3rem; padding: 0 var(--space-5); display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); color: var(--muted); font: 500 .6875rem var(--mono); }

.google-diff > header { min-height: 3.5rem; padding: 0 var(--space-5); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-bottom: 1px solid var(--line); color: var(--muted); font-size: var(--text-caption); }
.google-diff > header strong { color: var(--ink); font-weight: 600; }
.google-diff > header em { justify-self: end; padding: var(--space-1) var(--space-2); border-radius: 999px; background: var(--google-soft); color: var(--google); font: normal 650 .6875rem var(--mono); }
.diff-head, .diff-row { display: grid; grid-template-columns: .72fr .95fr 1.5fr; gap: var(--space-4); padding: var(--space-3) var(--space-5); border-bottom: 1px solid var(--line); align-items: center; }
.diff-head { background: var(--surface-subtle); color: var(--muted); font-size: var(--text-caption); font-weight: 600; }
.diff-row { min-height: 5rem; color: var(--ink-2); font-size: var(--text-ui); }
.diff-row strong { color: var(--ink); font: 600 var(--text-caption) var(--mono); }
.diff-row b { padding: var(--space-2) var(--space-3); border-radius: 7px; background: var(--google-soft); color: #1e4fa8; font-size: var(--text-caption); font-weight: 600; }
.diff-empty { color: var(--muted); }
.google-diff > footer { min-height: 3.5rem; padding: 0 var(--space-5); display: flex; align-items: center; gap: var(--space-6); color: var(--muted); font-size: var(--text-caption); }
.google-diff > footer span { display: inline-flex; align-items: center; gap: var(--space-2); }
.google-diff > footer i { width: 6px; height: 6px; border-radius: 50%; background: var(--success); }

.workflow-section { display: grid; grid-template-columns: minmax(20rem, .8fr) minmax(30rem, 1.2fr); gap: clamp(var(--space-12), 8vw, 8rem); }
.workflow-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); counter-reset: workflow; }
.workflow-list li { min-height: 8.5rem; display: grid; grid-template-columns: 3rem 1fr; gap: var(--space-5); align-content: center; padding: var(--space-5) 0; border-bottom: 1px solid var(--line); }
.workflow-list li > span { color: var(--muted); font: 600 var(--text-caption) var(--mono); }

.audience-grid, .benefit-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.audience-grid article, .benefit-grid article { min-height: 15rem; padding: var(--space-8); border-right: 1px solid var(--line); }
.audience-grid article:last-child, .benefit-grid article:last-child { border-right: 0; }
.audience-grid article > span { display: inline-flex; margin-bottom: var(--space-12); padding: var(--space-1) var(--space-2); border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: 600 var(--text-caption) var(--mono); }
.benefit-section { display: grid; grid-template-columns: minmax(18rem, .7fr) minmax(36rem, 1.3fr); gap: clamp(var(--space-12), 8vw, 8rem); }
.benefit-grid { grid-template-columns: 1fr; border: 0; border-top: 1px solid var(--line); }
.benefit-grid article { min-height: 0; padding: var(--space-5) 0; border-right: 0; border-bottom: 1px solid var(--line); }
.benefit-grid strong { font-size: var(--text-title); font-weight: 600; letter-spacing: -.018em; }

.channel-comparison-section .section-intro { max-width: 54rem; }
.channel-comparison-table { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); }
.channel-comparison-table table { width: 100%; min-width: 48rem; border-collapse: collapse; text-align: left; }
.channel-comparison-table th, .channel-comparison-table td { padding: var(--space-5); border-bottom: 1px solid var(--line); vertical-align: top; font-size: var(--text-ui); line-height: 1.5; }
.channel-comparison-table thead th { background: var(--surface-subtle); color: var(--ink); font-weight: 650; }
.channel-comparison-table tbody th { width: 20%; color: var(--ink); font-weight: 650; }
.channel-comparison-table tbody td { width: 40%; color: var(--ink-2); }
.channel-comparison-table tbody tr:last-child > * { border-bottom: 0; }
.channel-comparison-table thead th:nth-child(2) { color: var(--meta); }
.channel-comparison-table thead th:nth-child(3) { color: var(--google); }
.source-note { margin: var(--space-5) 0 0; color: var(--muted); font-size: var(--text-caption); line-height: 1.55; }
.source-note a { color: var(--ink-2); text-underline-offset: 3px; }
.source-note a:hover { color: var(--ink); }

.faq-section { display: grid; grid-template-columns: minmax(20rem, .75fr) minmax(30rem, 1.25fr); gap: clamp(var(--space-12), 8vw, 8rem); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { min-height: 5rem; padding: var(--space-5) 0; display: grid; grid-template-columns: 1fr auto; gap: var(--space-5); align-items: center; color: var(--ink); cursor: pointer; list-style: none; font-size: var(--text-title); font-weight: 600; letter-spacing: -.018em; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { width: 1.75rem; height: 1.75rem; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--ink-2); font-weight: 450; transition: transform 180ms var(--ease); }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 62ch; margin: 0; padding: 0 var(--space-12) var(--space-6) 0; color: var(--ink-2); font-size: var(--text-ui); line-height: 1.65; }

.landing-cta { width: min(87rem, calc(100% - var(--space-12))); min-height: 23rem; margin: var(--space-12) auto var(--space-16); padding: clamp(var(--space-8), 5vw, var(--space-16)); display: flex; justify-content: space-between; align-items: center; gap: var(--space-12); border-radius: var(--radius-lg); background: var(--ink); color: var(--surface); }
.landing-cta > div { max-width: 52rem; }
.landing-cta .context-label { color: var(--line-strong); }
.landing-cta h2 { margin-top: var(--space-5); }
.landing-cta p:not(.context-label) { max-width: 44rem; margin: var(--space-5) 0 0; color: var(--line-strong); font-size: var(--text-lead); line-height: 1.5; }
.landing-cta .button { flex: 0 0 auto; }
.landing-footer { width: min(87rem, calc(100% - var(--space-12))); min-height: 10rem; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; border-top: 1px solid var(--line); }
.landing-footer > p { color: var(--muted); font-size: var(--text-caption); }
.footer-actions { justify-self: end; display: flex; align-items: center; gap: var(--space-5); }
.footer-actions > a { color: var(--ink-2); font-size: var(--text-ui); text-underline-offset: 4px; }

@keyframes rail { 0% { transform: translateX(0); opacity: 0; } 18% { opacity: 1; } 82% { opacity: 1; } 100% { transform: translateX(70px); opacity: 0; } }
@keyframes breathe { 0%, 100% { transform: scale(.82); opacity: .62; } 50% { transform: scale(1); opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 1120px) {
  .login-shell { grid-template-columns: minmax(540px, 1.1fr) minmax(380px, .9fr); }
  .demo-canvas { grid-template-columns: minmax(160px, .8fr) 90px minmax(220px, 1.2fr); }
  .intake-layout { grid-template-columns: minmax(0, 1fr) 320px; }
  .landing-hero { grid-template-columns: minmax(0, .9fr) minmax(30rem, 1.1fr); gap: var(--space-12); }
  .product-flow { padding: var(--space-5); grid-template-columns: minmax(9rem, .9fr) 4rem minmax(11rem, 1.1fr); }
  .channel-feature { gap: var(--space-12); }
}

@media (max-width: 980px) {
  .topbar { grid-template-columns: 1fr auto; }
  .topnav { display: none; }
  .user-menu { grid-column: 2; }
  .channel-grid, .intake-layout { grid-template-columns: 1fr; }
  .intake-aside { position: static; }
  .health-strip { grid-template-columns: repeat(2, 1fr); }
  .health-strip div { border-bottom: 1px solid var(--line); }
  .login-shell { grid-template-columns: 1fr; }
  .login-proof { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .login-panel { min-height: 460px; padding: 64px 24px; }
  .landing-header { grid-template-columns: 1fr auto; }
  .landing-nav { display: none; }
  .landing-hero { min-height: 0; grid-template-columns: 1fr; }
  .hero-copy h1 { max-width: 14ch; }
  .hero-product { width: min(46rem, 100%); }
  .problem-section, .channel-feature, .workflow-section, .benefit-section, .faq-section { grid-template-columns: 1fr; }
  .problem-section, .workflow-section, .benefit-section { gap: var(--space-12); }
  .channel-feature { min-height: 0; }
  .feature-copy h2 { max-width: 18ch; }
  .feature-google .feature-copy { order: 0; }
  .feature-google .google-diff { order: 1; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-grid article { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .audience-grid article:last-child { border-bottom: 0; }
  .audience-grid article > span { margin-bottom: var(--space-6); }
}

@media (max-width: 700px) {
  .topbar { height: 62px; padding: 0 15px; }
  .brand small, .user-menu > span:not(.user-avatar) { display: none; }
  .page-shell { width: min(100% - 28px, 1380px); padding-top: 32px; }
  .page-heading { display: block; }
  .page-heading .button { margin-top: 22px; width: 100%; }
  .page-heading h1 { font-size: 38px; }
  .stat-grid { grid-template-columns: 1fr; }
  .stat-grid article { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .stat-grid article:last-child { border-bottom: 0; }
  .catalog-row { grid-template-columns: 42px minmax(0, 1fr) auto; }
  .catalog-date, .catalog-row .status { display: none; }
  .empty-state { grid-template-columns: 1fr; padding: 26px; }
  .empty-flow { min-height: 150px; }
  .two-col, .three-col, .upload-zone, .build-form { grid-template-columns: 1fr; }
  .upload-zone > span { padding: 0; text-align: center; }
  .form-section { grid-template-columns: 1fr; padding: 22px; }
  .channel-card { padding: 20px; }
  .channel-title { display: block; }
  .channel-symbol { margin-bottom: 12px; }
  .health-strip { grid-template-columns: 1fr 1fr; }
  .revision-row { grid-template-columns: 48px minmax(0, 1fr) 92px; }
  .revision-row > :nth-child(3), .revision-row > :nth-child(4) { display: none; }
  .endpoint-list > div { grid-template-columns: 1fr; }
  .endpoint-list em { text-align: left; }
  .login-proof { padding: 26px 20px 30px; gap: 28px; }
  .login-proof h1 { font-size: 42px; }
  .login-lede { font-size: 16px; }
  .transformation-demo { box-shadow: none; }
  .demo-canvas { grid-template-columns: 1fr; gap: 10px; }
  .demo-rail { width: 36px; height: 58px; grid-template-columns: 1fr; grid-template-rows: 18px 1fr 18px; justify-self: center; }
  .demo-rail > i { width: 1px; height: auto; justify-self: center; }
  .demo-rail > i:nth-of-type(2), .rail-split { display: none; }
  .demo-rail > i::after { inset: -14px 0 auto 0; width: 1px; height: 14px; animation: rail-mobile 2.2s var(--ease) infinite; }
  .rail-node { justify-self: center; }
  .login-panel { min-height: 430px; padding: 50px 20px; }
  .landing-header, .landing-hero, .definition-strip, .problem-section, .channels-section, .workflow-section, .audience-section, .benefit-section, .channel-comparison-section, .faq-section, .landing-cta, .landing-footer { width: min(100% - var(--space-7), 87rem); }
  .landing-header { height: 4.25rem; }
  .landing-header .brand small { display: block; }
  .landing-header .brand strong { font-size: .8125rem; }
  .landing-actions { gap: var(--space-2); }
  .language-switcher a { min-width: 1.75rem; }
  .landing-login { min-height: 40px; padding-inline: var(--space-3); }
  .landing-login span { display: none; }
  .landing-hero { padding: var(--space-16) 0; gap: var(--space-12); }
  .hero-copy h1 { font-size: clamp(2.75rem, 13vw, 3.5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: var(--space-5); }
  .hero-actions .button { width: 100%; }
  .hero-guardrails { display: grid; }
  .product-flow { min-height: 0; grid-template-columns: 1fr; padding: var(--space-4); }
  .flow-transform { width: 2rem; height: 4rem; grid-template-columns: 1fr; grid-template-rows: 1.25rem 1fr 1.25rem; justify-self: center; }
  .flow-transform > i { width: 1px; height: auto; justify-self: center; }
  .flow-transform > i:nth-of-type(2), .flow-transform > span:last-child { display: none; }
  .flow-transform > i::after { inset: -14px 0 auto 0; width: 1px; height: 14px; animation: rail-mobile 2.2s var(--ease) infinite; }
  .flow-transform > span, .flow-transform b { justify-self: center; }
  .definition-strip { margin-bottom: var(--space-8); padding: var(--space-6); grid-template-columns: 1fr; }
  .definition-strip > strong { grid-column: 1; }
  .problem-section, .channels-section, .workflow-section, .audience-section, .benefit-section, .channel-comparison-section, .faq-section { padding: var(--space-16) 0; }
  .section-intro h2, .feature-copy h2, .landing-cta h2 { font-size: 2.25rem; }
  .channel-feature { padding: var(--space-16) 0; gap: var(--space-10); }
  .feature-list li { grid-template-columns: 1fr; gap: var(--space-1); }
  .comparison-stage { min-height: 0; padding: var(--space-4); grid-template-columns: 1fr; }
  .plain-card, .creative-card { width: min(16rem, 100%); justify-self: center; }
  .comparison-arrow { transform: rotate(90deg); justify-self: center; }
  .meta-comparison > footer { display: grid; grid-template-columns: 1fr 1fr; padding-block: var(--space-3); }
  .diff-head { display: none; }
  .diff-row { grid-template-columns: 1fr; gap: var(--space-2); padding-block: var(--space-4); }
  .google-diff > header { grid-template-columns: 1fr auto; }
  .google-diff > header strong { display: none; }
  .google-diff > footer { min-height: 0; padding-block: var(--space-4); flex-direction: column; align-items: flex-start; gap: var(--space-2); }
  .workflow-list li { min-height: 0; }
  .audience-grid article { padding: var(--space-6) 0; }
  .landing-cta { min-height: 0; margin-block: var(--space-8); padding: var(--space-8); flex-direction: column; align-items: flex-start; }
  .landing-cta .button { width: 100%; }
  .landing-footer { min-height: 13rem; grid-template-columns: 1fr; align-content: center; gap: var(--space-5); }
  .landing-footer > p { margin: 0; }
  .footer-actions { justify-self: start; flex-wrap: wrap; }
}

@media (max-width: 430px) {
  .landing-header .brand > span:last-child { display: none; }
  .landing-header .brand-mark { width: 34px; height: 34px; flex-basis: 34px; }
}

@keyframes rail-mobile { 0% { transform: translateY(0); opacity: 0; } 18% { opacity: 1; } 82% { opacity: 1; } 100% { transform: translateY(34px); opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}