/* Tessar — tessar.net · design language "Instrument"
   Graphite darks, one teal signal color, IBM Plex Sans/Mono (self-hosted).
   Mono is the voice of data; sans is the voice of humans. */

/* ---------- Fonts (self-hosted, no external requests) ---------- */
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 400; font-display: swap; src: url('/static/fonts/ibm-plex-sans-400.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 500; font-display: swap; src: url('/static/fonts/ibm-plex-sans-500.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 600; font-display: swap; src: url('/static/fonts/ibm-plex-sans-600.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Sans'; font-style: normal; font-weight: 700; font-display: swap; src: url('/static/fonts/ibm-plex-sans-700.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('/static/fonts/ibm-plex-mono-400.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('/static/fonts/ibm-plex-mono-500.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-style: normal; font-weight: 600; font-display: swap; src: url('/static/fonts/ibm-plex-mono-600.woff2') format('woff2'); }

/* ---------- Tokens ---------- */
:root {
  --bg: #0C0F12;
  --surface: #12161B;
  --raised: #1A2028;
  --line: #222A33;
  --line-soft: #1A212A;
  --text: #E8EEF3;
  --text-mid: #9AAAB8;
  --text-low: #5E6E7C;
  --signal: #2FD6C5;
  --signal-dim: #1E8A80;
  --signal-glow: rgba(47, 214, 197, 0.14);
  --ok: #46C176;
  --warn: #E0A93E;
  --error: #E5604F;
  --info: #6FA8DC;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;
  --maxw: 1140px;
  --radius: 8px;
}

/* ---------- Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}
body {
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--signal-dim); color: #fff; }
img, svg, canvas { max-width: 100%; height: auto; }
a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 2px; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--signal); color: #04211E; padding: 8px 16px; z-index: 2000; font-weight: 600; }
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(12, 15, 18, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.site-header .container { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; letter-spacing: 0.14em; font-size: 1.02rem; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.main-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.main-nav a { color: var(--text-mid); font-size: 0.92rem; font-weight: 500; }
.main-nav a:hover, .main-nav a[aria-current] { color: var(--text); text-decoration: none; }
.main-nav a.btn-primary, .main-nav a.btn-primary:hover { color: #04211E; }
.main-nav a[aria-current] { color: var(--signal); }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 6px; padding: 7px 10px; font-family: var(--mono); font-size: 0.85rem; cursor: pointer; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 22px; border-radius: 7px; font-family: var(--sans); font-size: 0.95rem; font-weight: 600; cursor: pointer; border: 1px solid transparent; transition: background 0.15s, border-color 0.15s, color 0.15s; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--signal); color: #04211E; }
.btn-primary:hover { background: #4BE3D3; }
.btn-ghost { border-color: var(--line); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--signal-dim); color: var(--signal); }
.btn-sm { padding: 8px 16px; font-size: 0.88rem; }

@media (max-width: 880px) {
  .main-nav { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--surface); border-bottom: 1px solid var(--line); padding: 8px 0; }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 24px; }
  .main-nav .btn { margin: 10px 24px; }
  .nav-toggle { display: block; }
}

/* ---------- Hero ---------- */
.hero { position: relative; padding: 88px 0 64px; overflow: hidden; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.85;
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, rgba(0,0,0,0.14) 34%, rgba(0,0,0,0.55) 52%, #000 72%);
  mask-image: linear-gradient(100deg, transparent 0%, rgba(0,0,0,0.14) 34%, rgba(0,0,0,0.55) 52%, #000 72%); }
.hero > .container { position: relative; z-index: 1; }
.hero-inner { max-width: 720px; }
.eyebrow { font-family: var(--mono); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.18em; text-transform: uppercase; color: var(--signal); margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ''; width: 22px; height: 1px; background: var(--signal); opacity: 0.6; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.35rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.018em; margin-bottom: 22px; }
h1 .accent { color: var(--signal); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--text-mid); line-height: 1.65; margin-bottom: 34px; max-width: 640px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-note { font-family: var(--mono); font-size: 0.8rem; color: var(--text-low); }
.hero-note b { color: var(--text-mid); font-weight: 500; }

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section-tight { padding: 54px 0; }
.section-line { border-top: 1px solid var(--line-soft); }
.section-head { max-width: 720px; margin-bottom: 44px; }
h2 { font-size: clamp(1.55rem, 3vw, 2.1rem); font-weight: 700; letter-spacing: -0.014em; line-height: 1.22; margin-bottom: 14px; }
h3 { font-size: 1.14rem; font-weight: 600; letter-spacing: -0.005em; }
.section-head p { color: var(--text-mid); font-size: 1.05rem; }

/* ---------- Panels & cards ---------- */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); position: relative; }
.panel-live::before { content: ''; position: absolute; top: -1px; left: 12px; right: 12px; height: 2px; border-radius: 1px; background: var(--signal); opacity: 0.45; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card-grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; transition: border-color 0.15s, background 0.15s; }
a.card { color: inherit; display: block; }
a.card:hover { text-decoration: none; border-color: var(--signal-dim); background: var(--raised); }
.card .card-kicker { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-low); margin-bottom: 10px; }
.card h3 { margin-bottom: 8px; }
.card p { color: var(--text-mid); font-size: 0.94rem; line-height: 1.6; }
.card .card-more { display: inline-block; margin-top: 14px; font-family: var(--mono); font-size: 0.8rem; color: var(--signal); }
@media (max-width: 940px) { .card-grid, .card-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .card-grid, .card-grid-2, .card-grid-4 { grid-template-columns: 1fr; } }

/* ---------- Feature rows (text + frame) ---------- */
.feature-row { display: grid; grid-template-columns: 5fr 6fr; gap: 54px; align-items: center; padding: 44px 0; }
.feature-row.flip .feature-copy { order: 2; }
.feature-row.flip .frame { order: 1; }
.feature-copy h3, .feature-copy h2 { font-size: 1.45rem; margin-bottom: 12px; }
.feature-copy p { color: var(--text-mid); margin-bottom: 14px; }
.feature-copy ul { list-style: none; margin: 18px 0 0; }
.feature-copy li { padding-left: 26px; position: relative; color: var(--text-mid); font-size: 0.95rem; margin-bottom: 10px; }
.feature-copy li::before { content: '→'; position: absolute; left: 0; color: var(--signal); font-family: var(--mono); }
.feature-copy li b, .feature-copy p b { color: var(--text); font-weight: 600; }
@media (max-width: 880px) {
  .feature-row, .feature-row.flip { grid-template-columns: 1fr; gap: 26px; }
  .feature-row.flip .feature-copy { order: 1; }
  .feature-row.flip .frame { order: 2; }
}

/* ---------- Product frame (stylized UI, screenshot slot) ---------- */
.frame { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; box-shadow: 0 24px 60px -24px rgba(0, 0, 0, 0.6); }
.frame-bar { display: flex; align-items: center; gap: 10px; padding: 9px 14px; border-bottom: 1px solid var(--line-soft); background: var(--raised); }
.frame-bar .frame-title { font-family: var(--mono); font-size: 0.74rem; color: var(--text-low); letter-spacing: 0.04em; }
.frame-bar .frame-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); opacity: 0.85; flex: none; }
.frame-body { padding: 16px; display: grid; gap: 12px; }
.mini { background: var(--bg); border: 1px solid var(--line-soft); border-radius: 7px; padding: 13px 15px; position: relative; }
.mini-live::before { content: ''; position: absolute; top: -1px; left: 10px; right: 10px; height: 2px; border-radius: 1px; background: var(--signal); opacity: 0.5; }
.mini-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-low); margin-bottom: 9px; }
.mini p { font-size: 0.86rem; color: var(--text-mid); line-height: 1.55; }
.mini .strong { color: var(--text); font-weight: 600; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: 0.72rem; padding: 3px 9px; border-radius: 20px; border: 1px solid var(--line); color: var(--text-mid); background: var(--surface); white-space: nowrap; }
.chip .dot, .dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex: none; }
.dot-ok { background: var(--ok); } .dot-warn { background: var(--warn); } .dot-error { background: var(--error); } .dot-signal { background: var(--signal); } .dot-info { background: var(--info); }
.krow { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 0.86rem; padding: 5px 0; border-bottom: 1px dashed var(--line-soft); }
.krow:last-child { border-bottom: 0; }
.krow .k { color: var(--text-mid); display: flex; align-items: center; gap: 8px; min-width: 0; }
.krow .v { font-family: var(--mono); font-size: 0.78rem; color: var(--text); white-space: nowrap; }
.krow .v.dim { color: var(--text-low); }
.krow .v.sig { color: var(--signal); }
.krow .v.warn { color: var(--warn); }
.krow .v.err { color: var(--error); }
.krow .v.ok { color: var(--ok); }
.meter { height: 5px; border-radius: 3px; background: var(--line-soft); overflow: hidden; margin-top: 7px; }
.meter > span { display: block; height: 100%; border-radius: 3px; background: var(--signal); }
.meter.m-ok > span { background: var(--ok); } .meter.m-warn > span { background: var(--warn); } .meter.m-error > span { background: var(--error); }

/* signal trace: event → automation chains */
.trace { font-family: var(--mono); font-size: 0.8rem; line-height: 2.1; color: var(--text-mid); overflow-x: auto; white-space: nowrap; }
.trace .sig { color: var(--signal); }
.trace .arr { color: var(--text-low); padding: 0 6px; }
.trace .act { color: var(--text); }

/* ---------- Use-case browser (tabs left, detail right) ---------- */
.uc-browser { display: grid; grid-template-columns: 4fr 7fr; gap: 22px; align-items: start; }
.uc-list { display: flex; flex-direction: column; gap: 6px; }
.uc-item { display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; cursor: pointer;
  background: transparent; border: 1px solid transparent; border-radius: 8px; padding: 11px 14px;
  color: var(--text-mid); font-family: var(--sans); font-size: 0.93rem; font-weight: 500;
  transition: background 0.12s, color 0.12s, border-color 0.12s; }
.uc-item svg { width: 18px; height: 18px; flex: none; stroke: var(--text-low); transition: stroke 0.12s; }
.uc-item:hover { background: var(--surface); color: var(--text); }
.uc-item[aria-selected="true"] { background: var(--surface); border-color: var(--line); color: var(--text); }
.uc-item[aria-selected="true"] svg { stroke: var(--signal); }
.uc-item .uc-tag { margin-left: auto; font-family: var(--mono); font-size: 0.66rem; color: var(--text-low);
  letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }
.uc-panel { display: none; background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 26px 28px; position: relative; min-height: 340px; }
.uc-panel::before { content: ''; position: absolute; top: -1px; left: 16px; right: 16px; height: 2px;
  background: var(--signal); opacity: 0.45; border-radius: 1px; }
.uc-panel.active { display: block; animation: ucIn 0.22s ease; }
@keyframes ucIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .uc-panel.active { animation: none; } }
.uc-panel h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 1.2rem; }
.uc-panel h3 svg { width: 21px; height: 21px; stroke: var(--signal); flex: none; }
.uc-panel p { color: var(--text-mid); font-size: 0.97rem; margin-bottom: 14px; }
.uc-panel ul { list-style: none; margin: 0 0 16px; }
.uc-panel li { padding-left: 24px; position: relative; color: var(--text-mid); font-size: 0.92rem; margin-bottom: 8px; }
.uc-panel li::before { content: '→'; position: absolute; left: 0; color: var(--signal); font-family: var(--mono); }
.uc-panel li b { color: var(--text); }
.uc-panel .mini { margin-bottom: 16px; }
.uc-panel .uc-more { font-family: var(--mono); font-size: 0.82rem; }
.no-js .uc-panel { display: block; margin-bottom: 14px; }
@media (max-width: 880px) {
  .uc-browser { grid-template-columns: 1fr; }
  .uc-list { flex-direction: row; overflow-x: auto; padding-bottom: 8px; gap: 8px; }
  .uc-item { flex: none; width: auto; border-color: var(--line); background: var(--surface); }
  .uc-item .uc-tag { display: none; }
  .uc-panel { min-height: 0; }
}

/* ---------- Stat bar ---------- */
.stat-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.stat .n { font-family: var(--mono); font-size: 1.7rem; font-weight: 600; color: var(--signal); letter-spacing: -0.02em; }
.stat .l { font-size: 0.86rem; color: var(--text-mid); margin-top: 4px; }
@media (max-width: 880px) { .stat-bar { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stat-bar { grid-template-columns: 1fr; } }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: step; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; counter-increment: step; }
.step::before { content: counter(step, decimal-leading-zero); font-family: var(--mono); font-size: 0.8rem; color: var(--signal); letter-spacing: 0.1em; display: block; margin-bottom: 12px; }
.step h3 { font-size: 1rem; margin-bottom: 8px; }
.step p { font-size: 0.9rem; color: var(--text-mid); line-height: 1.6; }
.steps-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 880px) { .steps, .steps-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .steps, .steps-3 { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); }
th { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-low); font-weight: 500; }
td { color: var(--text-mid); }
td b { color: var(--text); font-weight: 600; }
td.num, th.num { font-family: var(--mono); font-variant-numeric: tabular-nums; text-align: right; }
tr:last-child td { border-bottom: 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; }
.faq details { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin-bottom: 12px; }
.faq summary { cursor: pointer; padding: 17px 20px; font-weight: 600; font-size: 0.99rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--signal); font-size: 1.1rem; flex: none; }
.faq details[open] summary::after { content: '−'; }
.faq .faq-a { padding: 0 20px 18px; color: var(--text-mid); font-size: 0.95rem; }
.faq .faq-a a { color: var(--signal); }

/* ---------- CTA band ---------- */
.cta-band { border: 1px solid var(--line); border-radius: 12px; background: linear-gradient(180deg, var(--raised), var(--surface)); padding: 52px 44px; position: relative; overflow: hidden; }
.cta-band::before { content: ''; position: absolute; top: -1px; left: 24px; right: 24px; height: 2px; background: var(--signal); opacity: 0.5; border-radius: 1px; }
.cta-band h2 { margin-bottom: 10px; }
.cta-band p { color: var(--text-mid); max-width: 560px; margin-bottom: 26px; }
.cta-band .hero-ctas { margin-bottom: 0; }
@media (max-width: 560px) { .cta-band { padding: 36px 24px; } }

/* ---------- Forms ---------- */
.form { max-width: 560px; display: grid; gap: 18px; }
.form label { display: block; font-size: 0.9rem; font-weight: 600; margin-bottom: 7px; }
.form label .opt { color: var(--text-low); font-weight: 400; font-family: var(--mono); font-size: 0.75rem; }
.form input[type="text"], .form input[type="email"], .form textarea, .form select {
  width: 100%; background: var(--bg); border: 1px solid var(--line); border-radius: 7px;
  color: var(--text); font-family: var(--sans); font-size: 0.98rem; padding: 11px 14px;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--signal); }
.form textarea { min-height: 110px; resize: vertical; }
.form .check { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; color: var(--text-mid); }
.form .check input { margin-top: 4px; accent-color: var(--signal); }
.form-note { font-family: var(--mono); font-size: 0.76rem; color: var(--text-low); }
.form-success { display: none; border: 1px solid var(--signal-dim); background: var(--signal-glow); color: var(--text); border-radius: var(--radius); padding: 20px 22px; font-size: 0.98rem; }

/* ---------- Pricing ---------- */
.price-card { border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 40px 38px; position: relative; }
.price-card::before { content: ''; position: absolute; top: -1px; left: 20px; right: 20px; height: 2px; background: var(--signal); opacity: 0.55; border-radius: 1px; }
.price-line { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; margin: 12px 0 4px; }
.price-line .p { font-family: var(--mono); font-size: 2.5rem; font-weight: 600; color: var(--text); letter-spacing: -0.02em; }
.price-line .per { color: var(--text-low); font-size: 0.95rem; }
.price-card ul { list-style: none; margin-top: 22px; }
.price-card li { padding-left: 26px; position: relative; color: var(--text-mid); font-size: 0.95rem; margin-bottom: 10px; }
.price-card li::before { content: '✓'; position: absolute; left: 0; color: var(--ok); font-family: var(--mono); }

/* ---------- ROI calculator ---------- */
.roi-calc { display: grid; grid-template-columns: 6fr 5fr; gap: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; position: relative; }
.roi-calc::before { content: ''; position: absolute; top: -1px; left: 20px; right: 20px; height: 2px; background: var(--signal); opacity: 0.5; border-radius: 1px; }
.roi-controls { padding: 34px 36px; display: grid; gap: 26px; align-content: start; }
.roi-field label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 0.92rem; font-weight: 600; margin-bottom: 10px; }
.roi-field label output { font-family: var(--mono); font-size: 1rem; color: var(--signal); font-variant-numeric: tabular-nums; white-space: nowrap; }
.roi-field input[type="range"] { width: 100%; appearance: none; -webkit-appearance: none; height: 22px; background: transparent; cursor: pointer; }
.roi-field input[type="range"]::-webkit-slider-runnable-track { height: 5px; border-radius: 3px; background: var(--line); }
.roi-field input[type="range"]::-moz-range-track { height: 5px; border-radius: 3px; background: var(--line); }
.roi-field input[type="range"]::-webkit-slider-thumb { appearance: none; -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: var(--signal); border: 3px solid var(--bg); margin-top: -6.5px; box-shadow: 0 0 0 1px var(--signal-dim); }
.roi-field input[type="range"]::-moz-range-thumb { width: 12px; height: 12px; border-radius: 50%; background: var(--signal); border: 3px solid var(--bg); box-shadow: 0 0 0 1px var(--signal-dim); }
.roi-field .roi-hint { font-family: var(--mono); font-size: 0.72rem; color: var(--text-low); display: flex; justify-content: space-between; margin-top: 2px; }
.roi-result { background: var(--bg); border-left: 1px solid var(--line-soft); padding: 34px 36px; display: grid; gap: 20px; align-content: center; }
.roi-out .ro-l { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-low); margin-bottom: 6px; }
.roi-out .ro-v { font-family: var(--mono); font-size: 2.1rem; font-weight: 600; color: var(--signal); letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1.15; }
.roi-out .ro-v.dim { color: var(--text); font-size: 1.4rem; }
.roi-out .ro-s { font-size: 0.85rem; color: var(--text-mid); margin-top: 4px; }
.roi-note { font-family: var(--mono); font-size: 0.74rem; color: var(--text-low); }
@media (max-width: 880px) { .roi-calc { grid-template-columns: 1fr; } .roi-result { border-left: 0; border-top: 1px solid var(--line-soft); } }

/* honeypot — visually gone, present for bots */
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Breadcrumbs, prose, footer ---------- */
.crumbs { font-family: var(--mono); font-size: 0.76rem; color: var(--text-low); margin-bottom: 26px; }
.crumbs a { color: var(--text-low); }
.crumbs a:hover { color: var(--signal); }
.crumbs .sep { padding: 0 7px; opacity: 0.6; }

.prose { max-width: 760px; }
.prose h2 { font-size: 1.28rem; margin: 38px 0 12px; color: var(--text); }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { color: var(--text-mid); font-size: 0.98rem; margin-bottom: 10px; }
.prose ul { padding-left: 22px; margin-bottom: 14px; }
.prose .legal-meta { margin-top: 44px; padding-top: 20px; border-top: 1px solid var(--line-soft); font-family: var(--mono); font-size: 0.78rem; color: var(--text-low); }

.site-footer { border-top: 1px solid var(--line-soft); padding: 56px 0 40px; margin-top: 40px; background: #0A0D10; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-low); font-size: 0.88rem; margin-top: 12px; max-width: 300px; }
.footer-col .fh { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-low); margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: var(--text-mid); font-size: 0.9rem; }
.footer-col a:hover { color: var(--signal); text-decoration: none; }
.footer-meta { border-top: 1px solid var(--line-soft); padding-top: 22px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-family: var(--mono); font-size: 0.76rem; color: var(--text-low); }
.footer-meta a { color: var(--text-low); }
.footer-meta a:hover { color: var(--signal); }
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ---------- Integration logo strip ---------- */
.int-strip { display: flex; flex-wrap: wrap; gap: 12px; }
.int-strip .chip { padding: 8px 16px; font-size: 0.82rem; }
.int-strip a.chip:hover { border-color: var(--signal-dim); color: var(--signal); text-decoration: none; }

/* two-col split for content + aside panel */
.split { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: start; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }