/* ───────────────────────────────────────────────────────────────
   NoiseLog Landing — Editorial / Case-File aesthetic
   Newsreader (display) · Geist (body) · JetBrains Mono (labels)
   ─────────────────────────────────────────────────────────────── */

:root {
  --paper:    oklch(0.972 0.012 80);
  --paper2:   oklch(0.945 0.014 78);
  --paper3:   oklch(0.92 0.016 78);
  --ink:      oklch(0.18 0.010 60);
  --ink2:     oklch(0.36 0.012 65);
  --muted:    oklch(0.50 0.012 70);
  --rule:     oklch(0.78 0.018 75);
  --rule-soft:oklch(0.88 0.014 75);
  --accent:   oklch(0.52 0.17 28);
  --accent-ink: oklch(0.98 0.012 80);
  --stamp:    oklch(0.50 0.18 28);

  --dark-paper:  oklch(0.16 0.008 60);
  --dark-paper2: oklch(0.20 0.008 60);
  --dark-ink:    oklch(0.94 0.012 80);
  --dark-ink2:   oklch(0.76 0.012 75);
  --dark-muted:  oklch(0.58 0.012 75);
  --dark-rule:   oklch(0.32 0.012 70);

  --serif: 'Newsreader', 'Source Serif 4', Georgia, serif;
  --sans:  'Geist', 'Inter Tight', -apple-system, system-ui, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle paper-grain texture using SVG noise */
body {
  background-image:
    radial-gradient(at 15% 12%, oklch(0.97 0.018 60 / 0.6) 0, transparent 40%),
    radial-gradient(at 85% 80%, oklch(0.95 0.016 75 / 0.5) 0, transparent 45%);
  background-attachment: fixed;
}
body::before {
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.15  0 0 0 0 0.10  0 0 0 0 0.05  0 0 0 0.06 0'/></filter><rect width='200' height='200' filter='url(%23n)'/></svg>");
  opacity: 0.4;
  mix-blend-mode: multiply;
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* Layout */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 36px;
  position: relative;
  z-index: 2;
}
.container-narrow { max-width: 820px; }

/* Eyebrow */
.eyebrow {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  white-space: nowrap;
  font-weight: 500;
}
.eyebrow.muted { color: var(--muted); }
.eyebrow.accent { color: var(--accent); }
.eyebrow.center { text-align: center; display: block; }

/* Rules */
.rule {
  height: 1px; background: var(--rule);
  margin: 12px 0 32px;
}
.rule.dark { background: var(--dark-rule); }
.double-rule {
  height: 4px;
  background:
    linear-gradient(var(--ink), var(--ink)) top/100% 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) bottom/100% 1px no-repeat;
}

/* ─── Top bar ─── */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper);
  border-bottom: 0;
}
.topbar-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 36px;
  gap: 24px;
}
.topnav {
  display: flex; gap: 28px;
  flex: 1; justify-content: center;
}
.topnav a {
  position: relative;
  padding: 4px 0;
  transition: color 160ms;
}
.topnav a:hover { color: var(--accent); }
.topnav a:hover::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--accent);
}

/* ─── Hero ─── */
.hero {
  padding: 80px 0 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 72px;
  align-items: center;
}
.hero-meta { margin-bottom: 28px; }
.display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(54px, 7vw, 96px);
  line-height: 0.96;
  letter-spacing: -0.018em;
  margin: 0 0 28px;
  color: var(--ink);
}
.display em {
  font-style: italic;
  color: var(--accent);
}
.lede {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.55;
  color: var(--ink2);
  max-width: 540px;
  margin: 0 0 36px;
}
.cta-row {
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
  margin-bottom: 28px;
}
.store-img {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 189px;
  height: 56px;
  line-height: 0;
  transition: transform 180ms cubic-bezier(.2,.7,.2,1), filter 180ms;
}
.store-img img {
  display: block;
  height: 56px !important;
  width: auto !important;
  max-width: 100%;
  transition: filter 180ms;
}
.store-img:hover {
  transform: translate(-2px, -2px);
}
.store-img:active {
  transform: translate(1px, 1px);
}
.store-img.invert img {
  /* white App Store lockup on dark — slight glow on hover */
  filter: drop-shadow(0 0 0 transparent);
}
.store-img.invert:hover img {
  filter: drop-shadow(0 2px 12px oklch(0.98 0.012 80 / 0.35));
}

/* Google Play — not yet available. Grayscale badge with a "Coming soon"
   overlay; not a link, no hover lift. */
.store-img.coming-soon {
  position: relative;
  cursor: default;
}
.store-img.coming-soon img {
  filter: grayscale(1);
  opacity: 0.4;
}
.store-img.coming-soon:hover {
  transform: none;
}
.soon-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono, "Geist Mono", ui-monospace, monospace);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: oklch(1 0 0);
  background: oklch(0 0 0 / 0.5);
  border-radius: 8px;
}

.trust-row {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.dot-sep { color: var(--rule); font-family: var(--mono); }

/* ─── Hero phone mock ─── */
.hero-art {
  position: relative;
  display: flex; justify-content: center;
}
.phone-frame {
  width: 340px;
  min-height: 700px;
  display: flex; flex-direction: column;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  padding: 18px 18px 24px;
  border-radius: 38px 38px 38px 38px;
  box-shadow:
    10px 10px 0 -1px var(--paper2),
    10px 10px 0 0 var(--ink),
    24px 24px 60px -10px oklch(0.30 0.10 30 / 0.18);
  transform: rotate(1.2deg);
  position: relative;
}
.phone-frame::before {
  content: "";
  position: absolute;
  top: 6px; left: 50%; transform: translateX(-50%);
  width: 110px; height: 5px; border-radius: 5px;
  background: var(--ink);
  opacity: 0.85;
}
.phone-screen {
  flex: 1;
  display: flex; flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--rule-soft);
  padding: 26px 18px;
}
.phone-eyebrow {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 9px;
  letter-spacing: 0.12em; color: var(--muted);
  margin-bottom: 14px;
}
.phone-title {
  font-family: var(--serif);
  font-weight: 400; font-size: 30px; line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
}
.phone-title em { font-style: italic; color: var(--ink2); }
.phone-meta {
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.06em; color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.phone-rule { height: 2px; background: var(--rule); }
.phone-rule.thin { height: 1px; margin-top: 2px; }
.record-button {
  margin: 32px auto 14px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: var(--accent);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  position: relative;
  box-shadow:
    0 2px 0 var(--accent),
    0 10px 20px oklch(0.30 0.10 30 / 0.22);
  animation: pulse 2.8s ease-in-out infinite;
}
.record-ring {
  position: absolute; inset: 8px;
  border: 1.5px solid var(--accent-ink);
  border-radius: 50%; opacity: 0.45;
}
.record-sq {
  width: 22px; height: 22px; border-radius: 4px;
  background: var(--accent-ink); opacity: 0.94;
}
.record-label {
  font-family: var(--mono);
  font-size: 9.5px; letter-spacing: 0.22em;
  color: var(--accent-ink);
  margin-top: 10px; font-weight: 600;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 2px 0 var(--accent), 0 10px 20px oklch(0.30 0.10 30 / 0.22); }
  50%      { box-shadow: 0 2px 0 var(--accent), 0 10px 28px oklch(0.45 0.18 28 / 0.36); }
}
.phone-caption {
  text-align: center;
  font-family: var(--mono); font-size: 9px;
  letter-spacing: 0.18em; color: var(--muted);
  margin: 0 0 18px;
}
.phone-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-top: 12px;
}
.phone-stats > div {
  padding: 14px 0 12px; text-align: center;
  border-right: 1px solid var(--rule-soft);
}
.phone-stats > div:last-child { border-right: 0; }
.ps-lbl {
  font-family: var(--mono); font-size: 8.5px;
  letter-spacing: 0.14em; color: var(--muted);
}
.ps-val {
  font-family: var(--serif); font-size: 26px;
  margin-top: 4px;
}
.phone-log {
  margin-top: 18px;
}
.pl-head {
  font-family: var(--mono); font-size: 8.5px;
  letter-spacing: 0.18em; color: var(--muted);
  margin-bottom: 10px;
}
.pl-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline; gap: 12px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.06em; color: var(--ink2);
  padding: 8px 0;
  border-top: 1px solid var(--rule-soft);
}
.pl-row:first-of-type { border-top: 0; }
.pl-time { color: var(--muted); }
.pl-type {
  color: var(--ink); letter-spacing: 0.1em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.pl-db { color: var(--accent); font-weight: 600; }

/* Stamp */
.stamp {
  position: absolute;
  top: 30px; right: -4px;
  padding: 10px 18px;
  border: 2.5px solid var(--stamp);
  color: var(--stamp);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.24em;
  font-weight: 700;
  transform: rotate(-8deg);
  background: oklch(0.972 0.012 80 / 0.5);
  text-transform: uppercase;
  border-radius: 3px;
  z-index: 3;
}

/* ─── Marquee ─── */
.marquee {
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
  padding: 16px 0;
  position: relative; z-index: 2;
}
.marquee-track {
  display: inline-flex;
  gap: 28px;
  white-space: nowrap;
  animation: scroll 50s linear infinite;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: oklch(0.85 0.014 75);
}
.marquee-track span { display: inline-block; }
@keyframes scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── Section base ─── */
.section {
  padding: 100px 0;
  position: relative;
}
.section-paper2 { background: var(--paper2); }
.section-dark {
  background: var(--dark-paper);
  color: var(--dark-ink);
}
.section-dark .rule.dark { background: var(--dark-rule); }
.section-head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 0;
}
.h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(36px, 4.5vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 24px;
  max-width: 22ch;
}
.h2.light { color: var(--dark-ink); }
.h2.light em { color: var(--accent); font-style: italic; }
.section-lede {
  font-family: var(--serif);
  font-size: 19px; line-height: 1.55;
  color: var(--ink2);
  max-width: 60ch;
  margin: 0 0 40px;
}

/* ─── Steps ─── */
.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin-top: 40px;
}
.step {
  padding: 36px 40px 36px 0;
  border-top: 1px solid var(--rule);
  position: relative;
}
.step:nth-child(odd) { padding-right: 56px; }
.step:nth-child(even) {
  padding-left: 40px;
  border-left: 1px solid var(--rule);
}
.step-no {
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.14em; color: var(--accent);
  margin-bottom: 14px; font-weight: 600;
}
.step-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 28px; line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
}
.step p {
  font-family: var(--serif);
  font-size: 16.5px; line-height: 1.6;
  color: var(--ink2);
  margin: 0;
  max-width: 42ch;
}

/* ─── Categories ─── */
.cats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.cat {
  display: flex; align-items: center; gap: 12px;
  padding: 24px 22px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  transition: background 200ms;
}
.cat:hover { background: var(--paper); }
.cat-l {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--ink);
  flex: 1;
}
.cat-m {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.14em;
  color: var(--muted);
}
.dot {
  width: 12px; height: 12px; border-radius: 50%;
  flex-shrink: 0;
}
.dot.drill     { background: oklch(0.55 0.17 28); }
.dot.hammer    { background: oklch(0.50 0.15 35); }
.dot.machinery { background: oklch(0.42 0.10 40); }
.dot.banging   { background: oklch(0.60 0.16 18); }
.dot.voices    { background: oklch(0.65 0.12 50); }
.dot.engine    { background: oklch(0.38 0.08 45); }
.dot.other     { background: oklch(0.55 0.04 70); }

/* ─── Incidents (proof excerpt) ─── */
.incidents {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.inc {
  text-align: left;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--rule-soft);
  padding: 24px 0;
  width: 100%;
  display: block;
  color: var(--ink);
}
.inc:nth-child(odd)  { padding-right: 36px; border-right: 1px solid var(--rule-soft); }
.inc:nth-child(even) { padding-left: 36px; }
.inc-top {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 10px;
}
.inc-id {
  font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; color: var(--muted);
}
.inc-db {
  font-family: var(--mono); font-size: 13px;
  color: var(--ink2); font-weight: 500;
}
.inc-db.hot { color: var(--accent); }
.inc-db em {
  font-style: normal; font-size: 9.5px;
  color: var(--muted); letterSpacing: 0.1em;
  margin-left: 2px;
}
.inc-mid {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif); font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.005em;
  margin-bottom: 8px;
}
.inc-dur {
  font-family: var(--mono); font-size: 10.5px;
  color: var(--muted); font-weight: 400;
  letter-spacing: 0.08em;
}
.inc-note {
  font-family: var(--serif);
  font-size: 15px; line-height: 1.5;
  color: var(--ink2);
  margin: 0;
}

/* ─── Features (dark section) ─── */
.features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--dark-rule);
  border-left: 1px solid var(--dark-rule);
  margin-top: 40px;
}
.feat {
  padding: 32px 28px;
  border-right: 1px solid var(--dark-rule);
  border-bottom: 1px solid var(--dark-rule);
  background: transparent;
}
.feat p {
  font-family: var(--serif);
  font-size: 15.5px; line-height: 1.55;
  color: var(--dark-ink2);
  margin: 14px 0 0;
}

/* ─── Use cases ─── */
.uses {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 40px;
  border-top: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}
.use {
  padding: 32px 28px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.use-h {
  font-family: var(--serif); font-weight: 400;
  font-size: 22px; line-height: 1.18;
  letter-spacing: -0.008em;
  margin: 0 0 12px;
  color: var(--ink);
}
.use p {
  font-family: var(--serif);
  font-size: 15.5px; line-height: 1.55;
  color: var(--ink2);
  margin: 0;
}

/* ─── Pricing ─── */
.section-pricing { background: var(--paper2); }
.price-card {
  text-align: center;
  padding: 56px 44px 48px;
  border: 1.5px solid var(--ink);
  background: var(--paper);
  margin-top: 40px;
  position: relative;
  box-shadow: 10px 10px 0 0 var(--ink);
}
.price-card::before {
  content: "✓ PAID IN FULL";
  position: absolute;
  top: 22px; right: 22px;
  font-family: var(--mono);
  font-size: 10.5px; letter-spacing: 0.22em;
  color: var(--stamp);
  border: 2px solid var(--stamp);
  padding: 6px 12px;
  transform: rotate(-6deg);
  border-radius: 2px;
  font-weight: 700;
}
.price {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 120px;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  margin: 18px 0 14px;
}
.price-list {
  list-style: none; padding: 0;
  margin: 32px auto 36px;
  text-align: left;
  max-width: 420px;
}
.price-list li {
  font-family: var(--serif);
  font-size: 16.5px;
  color: var(--ink2);
  padding: 10px 0;
  border-bottom: 1px dashed var(--rule);
  position: relative; padding-left: 24px;
}
.price-list li::before {
  content: "✓";
  position: absolute; left: 0;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
}
.price-list li:last-child { border-bottom: 0; }
.price-card .cta-row { justify-content: center; margin: 0; }

/* ─── FAQ ─── */
.qa {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
}
.qa summary {
  font-family: var(--serif);
  font-size: 21px;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between;
  align-items: center; gap: 20px;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "+";
  font-family: var(--mono);
  font-size: 22px; font-weight: 400;
  color: var(--accent);
  transition: transform 200ms;
}
.qa[open] summary::after { content: "−"; }
.qa p {
  font-family: var(--serif);
  font-size: 16.5px; line-height: 1.6;
  color: var(--ink2);
  margin: 14px 0 0;
  max-width: 65ch;
}

/* ─── Final ─── */
.section-final {
  background: var(--ink);
  color: var(--paper);
  padding: 110px 0;
}
.final-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
  align-items: end;
}
.final-display { color: var(--paper); margin: 16px 0 0; }
.final-display em { color: var(--accent); font-style: italic; }
.final-cta { display: flex; flex-direction: column; gap: 14px; }

/* ─── Footer ─── */
.footer {
  border-top: 1.5px solid var(--ink);
  padding: 40px 0 60px;
  background: var(--paper);
  position: relative; z-index: 2;
}
.footer-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 40px;
  align-items: start;
}
.footer-tag {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink2);
  margin-top: 6px;
  font-size: 15px;
}
.footer-links {
  display: flex; gap: 24px; justify-content: center;
}
.footer-links a:hover { color: var(--accent); }
.footer-row > div:last-child { text-align: right; }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; gap: 56px; }
  .hero-art { order: -1; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .uses { grid-template-columns: repeat(2, 1fr); }
  .cats { grid-template-columns: repeat(2, 1fr); }
  .final-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 720px) {
  .container { padding: 0 22px; }
  .topbar-row { padding: 14px 22px; }
  .topnav { display: none; }
  .hero { padding: 48px 0 40px; }
  .display { font-size: clamp(40px, 11vw, 60px); }
  .steps { grid-template-columns: 1fr; }
  .step, .step:nth-child(odd), .step:nth-child(even) {
    padding: 28px 0;
    border-left: 0; border-top: 1px solid var(--rule);
  }
  .incidents { grid-template-columns: 1fr; }
  .inc:nth-child(odd), .inc:nth-child(even) {
    padding: 22px 0; border-right: 0;
  }
  .features, .uses, .cats { grid-template-columns: 1fr; }
  .price { font-size: 88px; }
  .price-card { padding: 40px 24px; }
  .price-card::before { font-size: 9px; padding: 5px 10px; }
  .footer-row { grid-template-columns: 1fr; text-align: left; }
  .footer-row > div:last-child { text-align: left; }
  .footer-links { justify-content: flex-start; }
  .section { padding: 64px 0; }
  .h2 { font-size: clamp(30px, 7vw, 44px); }
  .phone-frame { width: 280px; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .record-button { animation: none; }
}