/* ThetaIQ marketing — dark instrument aesthetic.
   Display/body: Bricolage Grotesque · metrics/labels: Space Mono. */
:root {
  --bg: #0b0e13;
  --surface: #12151c;
  --surface-2: #171b24;
  --line: #232a35;
  --line-soft: #1b212b;
  --text: #f4f5f7;
  --muted: #a9aebb;
  --faint: #6a707c;
  --signal: #fbbf24;
  --signal-soft: rgba(251, 191, 36, 0.14);
  --pass: #34d399;
  --fail: #f87171;
  --info: #7cc7e8;
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 20px;
  --track: -0.02em;
  --ease-reveal: cubic-bezier(0.22, 1, 0.36, 1);
  --font-d: "Bricolage Grotesque", -apple-system, "Segoe UI", sans-serif;
  --font-m: "Space Mono", ui-monospace, "SF Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-d);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--signal-soft); }

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ---------- mono label / numbered markers ---------- */
.tick {
  font-family: var(--font-m);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.marker {
  font-family: var(--font-m);
  font-size: 13px;
  color: var(--signal);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.marker::after {
  content: "";
  height: 1px;
  width: 64px;
  background: linear-gradient(90deg, var(--signal), transparent);
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 14, 19, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-in {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; letter-spacing: var(--track); }
.brand img { width: 26px; height: 26px; }
.nav-links { display: flex; gap: 4px; margin-left: 12px; }
.nav-links a {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.2s, background 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav-links a.on { color: var(--signal); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-family: var(--font-d);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  border: 1px solid transparent;
  cursor: pointer;
  transition: box-shadow 0.3s, background 0.2s, border-color 0.2s, color 0.2s;
  white-space: nowrap;
}
.btn .arr { transition: transform 0.25s var(--ease-reveal); }
.btn:hover .arr { transform: translateX(3px); }
.btn-signal {
  background: var(--signal);
  color: #14161c;
  animation: breathe 3.4s ease-in-out infinite;
}
.btn-signal:hover { box-shadow: 0 0 0 1px var(--signal), 0 0 24px rgba(251, 191, 36, 0.36), 0 0 64px rgba(251, 191, 36, 0.18); }
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(251, 191, 36, 0); }
  50% { box-shadow: 0 0 22px 0 rgba(251, 191, 36, 0.28); }
}
.btn-ghost { border-color: rgba(255, 255, 255, 0.16); color: var(--text); background: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.28); }
.btn-sm { padding: 8px 16px; font-size: 14px; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 120px;
  border-bottom: 1px solid var(--line-soft);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  animation: gridpan 38s linear infinite;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, black 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, black 30%, transparent 78%);
}
@keyframes gridpan { to { background-position: 56px 56px; } }
.hero-glow {
  position: absolute;
  top: -260px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 560px;
  background: radial-gradient(closest-side, rgba(251, 191, 36, 0.13), transparent);
  pointer-events: none;
}
.hero-in { position: relative; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero h1 {
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.032em;
  font-weight: 600;
  margin: 18px 0 22px;
}
.hero h1 .sig {
  background: linear-gradient(100deg, var(--signal) 20%, #ffe9b0 50%, var(--signal) 80%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 5.5s ease-in-out infinite;
}
@keyframes shimmer { 0%, 100% { background-position: 0% 0; } 50% { background-position: 100% 0; } }
.hero p.sub { font-size: 19px; color: var(--muted); max-width: 46ch; margin-bottom: 34px; }
.hero-cta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-family: var(--font-m); font-size: 12.5px; color: var(--faint); }

/* floating monitor mockup */
.monitor {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(18, 21, 28, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow: hidden;
  box-shadow: 0 40px 90px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(251, 191, 36, 0.05), 0 0 80px rgba(251, 191, 36, 0.07);
  animation: floaty 7s ease-in-out infinite;
}
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.monitor-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-soft);
}
.monitor-bar i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.monitor-bar i:first-child { background: rgba(248, 113, 113, 0.5); }
.monitor-bar i:nth-child(2) { background: rgba(251, 191, 36, 0.5); }
.monitor-bar i:nth-child(3) { background: rgba(52, 211, 153, 0.5); }
.monitor-bar .url {
  margin-left: 10px;
  font-family: var(--font-m);
  font-size: 11px;
  color: var(--faint);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-soft);
  padding: 3px 10px;
  border-radius: 6px;
}
.monitor .shot { height: 420px; overflow: hidden; position: relative; }
.monitor .shot img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.monitor .shot::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 120px;
  background: linear-gradient(to top, var(--surface), transparent);
}

/* ---------- proof strip ---------- */
.strip { border-bottom: 1px solid var(--line-soft); }
.strip-in {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 44px;
  padding: 22px 0;
  justify-content: center;
}
.strip .k { font-family: var(--font-m); font-size: 13px; color: var(--muted); }
.strip .k b { color: var(--signal); font-weight: 700; margin-right: 6px; }

/* ---------- sections ---------- */
.sect { padding: 110px 0; border-bottom: 1px solid var(--line-soft); }
.sect h2 {
  font-size: clamp(30px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.028em;
  font-weight: 600;
  max-width: 20ch;
  margin-bottom: 16px;
}
.sect .lead { color: var(--muted); font-size: 18px; max-width: 62ch; }
.center { text-align: center; }
.center h2, .center .lead { margin-left: auto; margin-right: auto; }
.center .marker { justify-content: center; }
.center .marker::before { content: ""; height: 1px; width: 64px; background: linear-gradient(-90deg, var(--signal), transparent); }

/* feature rows: asymmetric copy / screenshot */
.feat {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
  padding: 84px 0;
  border-bottom: 1px solid var(--line-soft);
}
.feat.flip { grid-template-columns: 1.1fr 0.9fr; }
.feat.flip .feat-copy { order: 2; }
.feat h3 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.024em; font-weight: 600; line-height: 1.15; margin-bottom: 14px; }
.feat p { color: var(--muted); margin-bottom: 14px; }
.feat ul { list-style: none; margin-top: 20px; }
.feat li {
  padding: 10px 0 10px 26px;
  position: relative;
  color: var(--muted);
  border-bottom: 1px solid var(--line-soft);
  font-size: 15.5px;
}
.feat li:last-child { border-bottom: 0; }
.feat li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--signal);
  font-family: var(--font-m);
}
.feat li b { color: var(--text); font-weight: 600; }
.shot-frame {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--surface);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.shot-frame img { display: block; width: 100%; height: auto; }
/* very tall screenshots: crop to a fixed window, top-aligned, so they
   don't stretch the row into a skyscraper */
.shot-frame img.crop { height: 560px; object-fit: cover; object-position: top center; }
.shot-frame img.crop-wide { height: 720px; object-fit: cover; object-position: top center; }
.shot-frame .cap {
  font-family: var(--font-m);
  font-size: 11.5px;
  color: var(--faint);
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  letter-spacing: 0.04em;
}

/* ---------- tool grid ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--r-md); overflow: hidden; margin-top: 56px; }
.cell {
  background: var(--bg);
  padding: 30px 28px;
  position: relative;
  transition: background 0.25s;
}
.cell:hover { background: var(--surface); }
.cell::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 0.25s;
}
.cell:hover::after { border-color: rgba(251, 191, 36, 0.25); }
.cell .idx { font-family: var(--font-m); font-size: 11px; color: var(--faint); letter-spacing: 0.1em; }
.cell h4 { font-size: 18.5px; font-weight: 600; letter-spacing: -0.015em; margin: 10px 0 8px; }
.cell p { font-size: 14.5px; color: var(--muted); line-height: 1.55; }
.cell .tag { display: inline-block; margin-top: 14px; font-family: var(--font-m); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal); border: 1px solid rgba(251, 191, 36, 0.3); padding: 3px 9px; border-radius: 999px; }

/* ---------- pricing ---------- */
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 60px; align-items: stretch; }
.tier {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 34px 30px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  position: relative;
}
.tier.hot {
  border-color: rgba(251, 191, 36, 0.45);
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.05), transparent 40%), var(--surface);
  box-shadow: 0 0 60px rgba(251, 191, 36, 0.08);
}
.tier .flag {
  position: absolute;
  top: -11px;
  left: 30px;
  font-family: var(--font-m);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--signal);
  color: #14161c;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
}
.tier h3 { font-size: 20px; letter-spacing: -0.02em; }
.tier .amt { margin: 16px 0 4px; font-size: 44px; font-weight: 600; letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
.tier .amt span { font-size: 15px; color: var(--faint); font-weight: 400; letter-spacing: 0; }
.tier .alt { font-family: var(--font-m); font-size: 12px; color: var(--faint); margin-bottom: 22px; }
.tier ul { list-style: none; margin: 6px 0 26px; flex: 1; }
.tier li { padding: 8px 0 8px 24px; position: relative; font-size: 14.5px; color: var(--muted); border-bottom: 1px solid var(--line-soft); }
.tier li::before { content: "✓"; position: absolute; left: 0; color: var(--signal); font-size: 13px; }
.tier li.na { color: var(--faint); }
.tier li.na::before { content: "—"; color: var(--faint); }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin: 56px auto 0; }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  cursor: pointer;
  padding: 20px 4px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  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(--font-m); color: var(--signal); font-size: 18px; transition: transform 0.25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 4px 22px; color: var(--muted); font-size: 15.5px; max-width: 68ch; }

/* ---------- CTA band ---------- */
.cta-band { position: relative; overflow: hidden; padding: 120px 0; text-align: center; }
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 90% at 50% 100%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 50% 100%, black 20%, transparent 75%);
}
.cta-band h2 { font-size: clamp(32px, 4.4vw, 54px); letter-spacing: -0.03em; line-height: 1.06; font-weight: 600; margin-bottom: 18px; position: relative; }
.cta-band p { color: var(--muted); margin-bottom: 34px; position: relative; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line-soft); padding: 48px 0 40px; }
.foot { display: flex; flex-wrap: wrap; gap: 24px 48px; align-items: flex-start; justify-content: space-between; }
.foot .cols { display: flex; gap: 56px; flex-wrap: wrap; }
.foot h5 { font-family: var(--font-m); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); margin-bottom: 12px; }
.foot a { display: block; font-size: 14px; color: var(--muted); padding: 4px 0; }
.foot a:hover { color: var(--text); }
.foot-base { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line-soft); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-family: var(--font-m); font-size: 11.5px; color: var(--faint); }

/* ---------- keyword pages ---------- */
.page-hero { padding: 88px 0 64px; border-bottom: 1px solid var(--line-soft); position: relative; overflow: hidden; }
.page-hero h1 { font-size: clamp(34px, 4.4vw, 54px); letter-spacing: -0.03em; line-height: 1.06; font-weight: 600; max-width: 20ch; margin: 16px 0 18px; }
.page-hero .lead { color: var(--muted); font-size: 18.5px; max-width: 60ch; }
.prose { max-width: 780px; }
.prose h2 { font-size: 26px; letter-spacing: -0.02em; margin: 48px 0 12px; font-weight: 600; }
.prose p, .prose li { color: var(--muted); font-size: 16.5px; }
.prose p { margin-bottom: 14px; }
.prose ul { margin: 0 0 14px; }
.prose li { padding: 5px 0 5px 24px; position: relative; list-style: none; }
.prose li::before { content: "→"; position: absolute; left: 0; color: var(--signal); font-family: var(--font-m); }
.prose b { color: var(--text); }
.checker { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line-soft); border: 1px solid var(--line-soft); border-radius: var(--r-md); overflow: hidden; margin: 28px 0; }
.checker > div { background: var(--bg); padding: 22px 24px; }
.checker h4 { font-size: 16px; margin-bottom: 6px; }
.checker p { font-size: 14px; color: var(--muted); margin: 0; }

/* ---------- reveal (hidden only when JS is active — crawlers/no-JS see all) ---------- */
html.js .rv { opacity: 0; transform: translateY(26px); transition: opacity 0.8s var(--ease-reveal), transform 0.8s var(--ease-reveal); }
html.js .rv.in { opacity: 1; transform: none; }
.rv-d1 { transition-delay: 0.08s; } .rv-d2 { transition-delay: 0.16s; } .rv-d3 { transition-delay: 0.24s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .rv { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero-in { grid-template-columns: 1fr; gap: 44px; }
  .feat, .feat.flip { grid-template-columns: 1fr; gap: 32px; padding: 64px 0; }
  .feat.flip .feat-copy { order: 0; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .tiers { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
  .nav-links { display: none; }
  .sect { padding: 80px 0; }
  .checker { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 80px; }
  .monitor .shot { height: 300px; }
}