/* ============================================================
   FAULT AUDIT TECHNOLOGIES — SITE DESIGN SYSTEM v2
   Dark-elevated editorial. Serif display / grotesk body / mono
   forensic accents. Hand-rolled — no frameworks, no CDN CSS.
   ============================================================ */

:root {
  --bg:            #050A12;
  --bg-raise:      #0A111D;
  --bg-panel:      #0D1524;
  --bg-card:       rgba(13, 21, 36, 0.72);
  --ink:           #EAE7E0;
  --ink-dim:       #9AA3B5;
  --ink-faint:     #5C6678;
  --gold:          #C5A572;
  --gold-bright:   #E4CB92;
  --gold-dim:      rgba(197, 165, 114, 0.42);
  --hairline:      rgba(197, 165, 114, 0.16);
  --hairline-soft: rgba(197, 165, 114, 0.08);
  --red-flag:      #C96A5B;
  --green-ok:      #7FAE8B;
  --serif:  "Fraunces", "Iowan Old Style", "Palatino", Georgia, serif;
  --sans:   "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono:   "IBM Plex Mono", "SF Mono", "Menlo", monospace;
  --maxw:   1180px;
  --nav-h:  72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Film-grain overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

::selection { background: var(--gold-dim); color: #fff; }

a { color: var(--gold); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-bright); }

img { max-width: 100%; display: block; }

/* ---------- Layout ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 32px;
}

section { padding: 110px 0; position: relative; }
section.tight { padding: 72px 0; }

.rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--hairline), transparent);
  border: 0;
}

/* ---------- Typography ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
}
.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: var(--gold-dim);
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.01em; }

h1 {
  font-size: clamp(44px, 6.2vw, 78px);
  line-height: 1.06;
  margin-bottom: 28px;
}

h2 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.12;
  margin-bottom: 22px;
}

h3 { font-size: 24px; line-height: 1.3; margin-bottom: 12px; }

.serif-i { font-style: italic; color: var(--gold-bright); }

.lede {
  font-size: clamp(18px, 1.6vw, 21px);
  color: var(--ink-dim);
  line-height: 1.7;
  max-width: 680px;
}

.muted { color: var(--ink-dim); }
.faint { color: var(--ink-faint); }

.mono-note {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

/* ---------- Nav ---------- */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(5, 10, 18, 0.72);
  border-bottom: 1px solid var(--hairline-soft);
}
nav .wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--ink);
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.brand:hover { color: var(--ink); }
.brand .tick {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--gold);
}
.nav-links { display: flex; gap: 34px; align-items: center; }
.nav-links a {
  font-size: 14px;
  color: var(--ink-dim);
  letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--gold); }
.nav-cta {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold) !important;
  border: 1px solid var(--gold-dim);
  padding: 10px 20px;
  border-radius: 3px;
  transition: all .25s;
}
.nav-cta:hover { background: rgba(197,165,114,0.08); border-color: var(--gold); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 70px) 0 90px;
  position: relative;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%; right: -15%;
  width: 60vw; height: 60vw;
  background: radial-gradient(circle, rgba(197,165,114,0.06), transparent 62%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: center;
}
.hero .lede { margin-bottom: 40px; }

.cta-row { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 16px 30px;
  border-radius: 3px;
  transition: all .25s;
  cursor: pointer;
}
.btn-gold {
  background: var(--gold);
  color: #0A0E14;
  border: 1px solid var(--gold);
}
.btn-gold:hover { background: var(--gold-bright); border-color: var(--gold-bright); color: #0A0E14; transform: translateY(-1px); }
.btn-ghost {
  color: var(--ink-dim);
  border: 1px solid rgba(154,163,181,0.28);
}
.btn-ghost:hover { color: var(--ink); border-color: var(--ink-dim); }

/* ---------- Finding card (hero exhibit) ---------- */
.finding-card {
  background: var(--bg-card);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  position: relative;
}
.finding-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.fc-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--hairline-soft);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.fc-head .fc-type { color: var(--gold); }
.badge-sample {
  color: var(--ink-faint);
  border: 1px solid rgba(154,163,181,0.25);
  border-radius: 3px;
  padding: 4px 10px;
  font-size: 10px;
  letter-spacing: 0.18em;
}
.fc-body { padding: 24px 22px; display: grid; gap: 18px; }
.fc-quote {
  border-left: 2px solid var(--hairline);
  padding: 4px 0 4px 18px;
}
.fc-quote.flag { border-left-color: var(--red-flag); }
.fc-quote .q-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin-bottom: 8px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.fc-quote .q-meta .bates { color: var(--gold); }
.fc-quote p {
  font-family: var(--serif);
  font-size: 16.5px;
  font-style: italic;
  line-height: 1.55;
  color: var(--ink);
}
.fc-quote mark {
  background: rgba(201,106,91,0.18);
  color: #E8B0A6;
  padding: 0 3px;
  border-radius: 2px;
}
.fc-verdict {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(201,106,91,0.07);
  border: 1px solid rgba(201,106,91,0.22);
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #DFA79C;
}
.fc-verdict .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--red-flag);
  flex-shrink: 0;
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,106,91,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(201,106,91,0); }
}
.fc-foot {
  padding: 12px 22px;
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
}

/* ---------- Stats band ---------- */
.stats-band {
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  background: var(--bg-raise);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  padding: 52px 28px;
  text-align: center;
  border-right: 1px solid var(--hairline-soft);
}
.stat:last-child { border-right: 0; }
.stat .num {
  font-family: var(--serif);
  font-size: clamp(38px, 4vw, 54px);
  color: var(--gold-bright);
  line-height: 1;
  margin-bottom: 12px;
  font-variant-numeric: tabular-nums;
}
.stat .lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  padding: 38px 34px;
  transition: border-color .3s, transform .3s;
}
.card:hover { border-color: var(--hairline); transform: translateY(-3px); }
.card h3 { color: var(--ink); }
.card p { color: var(--ink-dim); font-size: 15.5px; }
.card .k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 18px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

/* ---------- Before / After ---------- */
.ba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.ba-col {
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  padding: 40px 36px;
  background: var(--bg-card);
}
.ba-col.after { border-color: var(--hairline); background: rgba(197,165,114,0.03); }
.ba-col .ba-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 26px;
  display: block;
}
.ba-col.before .ba-tag { color: var(--ink-faint); }
.ba-col.after  .ba-tag { color: var(--gold); }
.ba-col ul { list-style: none; display: grid; gap: 16px; }
.ba-col li {
  font-size: 15.5px;
  color: var(--ink-dim);
  padding-left: 26px;
  position: relative;
  line-height: 1.55;
}
.ba-col.before li::before {
  content: "—";
  position: absolute; left: 0;
  color: var(--ink-faint);
}
.ba-col.after li::before {
  content: "◆";
  position: absolute; left: 0;
  font-size: 9px; top: 6px;
  color: var(--gold);
}
.ba-col.after li { color: var(--ink); }

/* ---------- Ledger rows (evidence-ledger motif) ---------- */
.ledger { border-top: 1px solid var(--hairline-soft); }
.ledger-row {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 28px;
  align-items: baseline;
  padding: 30px 8px;
  border-bottom: 1px solid var(--hairline-soft);
  transition: background .25s;
}
.ledger-row:hover { background: rgba(197,165,114,0.025); }
.ledger-row .lr-id {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.ledger-row .lr-title { font-family: var(--serif); font-size: 21px; color: var(--ink); margin-bottom: 6px; }
.ledger-row .lr-sub { font-size: 14.5px; color: var(--ink-dim); max-width: 640px; }
.ledger-row .lr-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
  border: 1px solid rgba(154,163,181,0.2);
  border-radius: 3px;
  padding: 5px 12px;
  white-space: nowrap;
}

/* ---------- Workflow timeline ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
.steps::before {
  content: "";
  position: absolute;
  top: 27px; left: 8%; right: 8%;
  height: 1px;
  background: var(--hairline);
}
.step { padding: 0 24px; position: relative; }
.step .s-num {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 1px solid var(--gold-dim);
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 21px;
  color: var(--gold);
  margin-bottom: 26px;
  position: relative;
  z-index: 1;
}
.step h3 { font-size: 20px; }
.step p { font-size: 14.5px; color: var(--ink-dim); }

/* ---------- Fee ladder ---------- */
.ladder { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.rung {
  background: var(--bg-card);
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color .3s, transform .3s;
}
.rung:hover { border-color: var(--hairline); transform: translateY(-4px); }
.rung.hot { border-color: var(--gold-dim); background: rgba(197,165,114,0.04); }
.rung .price {
  font-family: var(--serif);
  font-size: 46px;
  color: var(--gold-bright);
  line-height: 1;
  margin-bottom: 8px;
}
.rung .p-name {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 24px;
}
.rung p { font-size: 15px; color: var(--ink-dim); flex: 1; }
.rung .credit {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--hairline-soft);
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.split-price { display: flex; gap: 26px; align-items: flex-end; margin-bottom: 8px; }
.split-price .sp-col { flex: 1; }
.split-price .sp-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 10px;
}
.split-price .price { margin-bottom: 0; font-size: 38px; }
.split-price .sp-divider { width: 1px; align-self: stretch; background: var(--hairline-soft); }
.rung .price-contact {
  font-family: var(--serif);
  font-size: 29px;
  font-style: italic;
  color: var(--gold-bright);
  line-height: 1.2;
  margin-bottom: 8px;
  padding: 9px 0 8px;
}

/* ---------- HML / disclaimer banner ---------- */
.banner {
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: rgba(197,165,114,0.035);
  padding: 36px 40px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.banner .b-icon {
  font-family: var(--serif);
  font-size: 30px;
  color: var(--gold);
  line-height: 1;
}
.banner p { color: var(--ink-dim); font-size: 15.5px; }
.banner strong { color: var(--ink); font-weight: 600; }

/* ---------- Redaction motif ---------- */
.redact {
  background: var(--ink-faint);
  color: transparent;
  border-radius: 2px;
  padding: 0 6px;
  cursor: default;
  transition: all .35s;
  user-select: none;
}
.redact:hover { background: rgba(197,165,114,0.14); color: var(--gold-bright); }

/* ---------- Phase framework (investors) ---------- */
.phase-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.phase {
  border: 1px solid var(--hairline-soft);
  border-radius: 6px;
  padding: 44px 40px;
  background: var(--bg-card);
}
.phase.p2 { border-color: var(--hairline); }
.phase .ph-tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
  display: block;
}
.phase h3 { font-size: 26px; margin-bottom: 22px; }
.phase ul { list-style: none; display: grid; gap: 14px; }
.phase li {
  font-size: 15px;
  color: var(--ink-dim);
  padding-left: 24px;
  position: relative;
  line-height: 1.55;
}
.phase li::before {
  content: "◆";
  position: absolute; left: 0; top: 5px;
  font-size: 8px;
  color: var(--gold);
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid var(--hairline-soft);
  padding: 70px 0 44px;
  background: var(--bg-raise);
}
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 52px;
}
footer .brand { margin-bottom: 18px; }
footer p { font-size: 14px; color: var(--ink-faint); max-width: 380px; }
.foot-col .fc-h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 20px;
}
.foot-col a { display: block; font-size: 14.5px; color: var(--ink-dim); margin-bottom: 12px; }
.foot-col a:hover { color: var(--gold); }
.disclaimer {
  border-top: 1px solid var(--hairline-soft);
  padding-top: 34px;
  font-size: 12.5px;
  color: var(--ink-faint);
  line-height: 1.7;
}
.disclaimer .copy { margin-top: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; }

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .8s cubic-bezier(.2,.6,.2,1), transform .8s cubic-bezier(.2,.6,.2,1);
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .12s; }
.reveal.d2 { transition-delay: .24s; }
.reveal.d3 { transition-delay: .36s; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: calc(var(--nav-h) + 110px) 0 90px;
  position: relative;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: -30%; left: 55%;
  width: 55vw; height: 55vw;
  background: radial-gradient(circle, rgba(197,165,114,0.05), transparent 60%);
  pointer-events: none;
}

/* ---------- Big statement ---------- */
.statement {
  font-family: var(--serif);
  font-size: clamp(26px, 3.2vw, 40px);
  line-height: 1.35;
  max-width: 900px;
  color: var(--ink);
}
.statement em { color: var(--gold-bright); font-style: italic; }

/* ---------- Responsive ---------- */
@media (max-width: 720px) {
  .hero-grid, .grid-2, .grid-3, .ba-grid, .phase-grid, .ladder { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 44px; }
  .steps::before { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { border-bottom: 1px solid var(--hairline-soft); }
  .foot-grid { grid-template-columns: 1fr; gap: 36px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
  section { padding: 76px 0; }
  .ledger-row { grid-template-columns: 1fr; gap: 10px; }
}