/* ============================================================
   Atlas Verum — design system
   Cormorant Garamond (serif) + Inter (sans) + JetBrains Mono
   ============================================================ */

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

:root {
  --ink: #1A1A1A;
  --ink-soft: #2a2a2a;
  --ink-muted: #555;
  --ink-quiet: #7a7a7a;
  --canvas: #F8F5EE;
  --canvas-elevated: #FBF9F4;
  --canvas-deep: #F1ECE0;
  --accent: #6B4F2A;
  --accent-light: #A07842;
  --accent-bright: #C09558;
  --accent-glow: rgba(160, 120, 66, 0.18);
  --rule: #D4CFC5;
  --rule-soft: #E8E4DC;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--canvas);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* Focus rings — visible, accent-coloured, only when keyboard navigating */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 200;
  padding: 0.7rem 1.2rem;
  background: var(--ink);
  color: var(--canvas);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
  outline: 2px solid var(--accent-bright);
  outline-offset: 2px;
}

.container { max-width: 920px; margin: 0 auto; padding: 0 2rem; }

/* ------------------------------------------------------------
   Scroll progress
   ------------------------------------------------------------ */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  z-index: 100;
  transition: width 0.08s linear;
}

/* ------------------------------------------------------------
   Header
   ------------------------------------------------------------ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  padding: 1.4rem 0;
  transition: padding 0.4s var(--ease-out), background-color 0.4s var(--ease-out), backdrop-filter 0.4s var(--ease-out), border-color 0.4s var(--ease-out);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  padding: 0.8rem 0;
  background-color: rgba(248, 245, 238, 0.88);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom-color: var(--rule-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.header-mark {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out), color 0.3s;
}

.site-header.is-scrolled .header-mark {
  opacity: 1;
  transform: translateY(0);
}

.header-mark:hover { color: var(--accent); }

.header-nav {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.header-nav a {
  font-family: var(--sans);
  font-size: 0.83rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.25s;
  position: relative;
}

.header-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.header-nav a:hover { color: var(--ink); }
.header-nav a:hover::after { transform: scaleX(1); }

.header-nav-cta {
  padding: 0.45rem 1rem;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink) !important;
  font-family: var(--serif) !important;
  font-size: 0.92rem !important;
  letter-spacing: 0.04em !important;
  border-radius: 1px;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.header-nav-cta::after { display: none; }
.header-nav-cta:hover {
  background: var(--ink);
  color: var(--canvas) !important;
  border-color: var(--ink);
}

.header-menu-toggle {
  display: none;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0;
}

.header-menu-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.3s, background 0.3s;
}

.header-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  padding: 0 2rem;
  background-color: var(--canvas);
  border-bottom: 1px solid var(--rule-soft);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.3s;
}

.mobile-nav.is-open {
  max-height: 500px;
  padding: 0.5rem 2rem 1.5rem;
}

.mobile-nav a {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule-soft);
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
  text-decoration: none;
}

.mobile-nav a:last-child { border-bottom: none; }

/* ------------------------------------------------------------
   Reveal animations
   ------------------------------------------------------------ */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ------------------------------------------------------------
   Hero
   ------------------------------------------------------------ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  padding: 7rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, var(--accent-glow), transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(192, 149, 88, 0.10), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner { position: relative; z-index: 1; }

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 0.2s forwards;
}

.wordmark {
  font-family: var(--serif);
  font-size: clamp(3.2rem, 8.5vw, 6rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.4em;
  line-height: 1;
}

.wordmark-char {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px);
  animation: charIn 0.9s var(--ease-out) forwards;
}

.wordmark-space { display: inline-block; width: 0.4em; }

@keyframes charIn {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* Stagger characters */
.wordmark-char:nth-child(1)  { animation-delay: 0.25s; }
.wordmark-char:nth-child(2)  { animation-delay: 0.32s; }
.wordmark-char:nth-child(3)  { animation-delay: 0.39s; }
.wordmark-char:nth-child(4)  { animation-delay: 0.46s; }
.wordmark-char:nth-child(5)  { animation-delay: 0.53s; }
.wordmark-char:nth-child(7)  { animation-delay: 0.65s; }
.wordmark-char:nth-child(8)  { animation-delay: 0.72s; }
.wordmark-char:nth-child(9)  { animation-delay: 0.79s; }
.wordmark-char:nth-child(10) { animation-delay: 0.86s; }
.wordmark-char:nth-child(11) { animation-delay: 0.93s; }

.tagline {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.6vw, 1.5rem);
  font-weight: 400;
  font-style: italic;
  color: var(--accent);
  letter-spacing: 0.04em;
  margin-bottom: 2.5rem;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1s var(--ease-out) 1.1s forwards;
}

.hero-intro {
  font-size: 1.02rem;
  font-weight: 300;
  color: var(--ink-muted);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1s var(--ease-out) 1.3s forwards;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 1s var(--ease-out) 1.5s forwards;
}

.cta-primary {
  display: inline-block;
  font-family: var(--serif);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  padding: 0.9rem 2.2rem;
  background: var(--ink);
  color: var(--canvas);
  text-decoration: none;
  border: 1px solid var(--ink);
  transition: background 0.35s var(--ease-out), color 0.35s var(--ease-out), transform 0.35s var(--ease-out), border-color 0.35s var(--ease-out);
}

.cta-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.cta-secondary {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.cta-secondary:hover { color: var(--ink); border-color: var(--ink); }

.cta-link {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}

.cta-link:hover { color: var(--ink); border-color: var(--ink); }

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-quiet);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  opacity: 0;
  animation: fadeUp 1s var(--ease-out) 1.8s forwards;
}

.hero-scroll-line {
  display: block;
  width: 1px;
  height: 32px;
  background: linear-gradient(180deg, var(--ink-quiet), transparent);
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { transform: scaleY(0.6); transform-origin: top; opacity: 0.6; }
  50% { transform: scaleY(1); opacity: 1; }
}

/* ------------------------------------------------------------
   Sections
   ------------------------------------------------------------ */
section {
  padding: 5.5rem 0;
}

hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.section-numeral {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(1.9rem, 4.2vw, 2.6rem);
  margin-bottom: 1.2rem;
  color: var(--ink);
  line-height: 1.15;
}

.section-lede {
  font-size: 1.05rem;
  color: var(--ink-muted);
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.section-body { max-width: 680px; }
.section-body p { margin-bottom: 1.3rem; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  max-width: none;
}

.two-col p { margin-bottom: 0; }

/* ------------------------------------------------------------
   Proof bar
   ------------------------------------------------------------ */
.proof-bar {
  background: var(--canvas-elevated);
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 3.5rem 0 3rem;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.proof-item {
  text-align: left;
  border-left: 1px solid var(--rule);
  padding-left: 1.2rem;
}

.proof-number {
  font-family: var(--serif);
  font-size: clamp(2.2rem, 5vw, 3rem);
  font-weight: 500;
  line-height: 1;
  color: var(--ink);
  margin-bottom: 0.4rem;
  font-feature-settings: "lnum" 1;
}

.proof-label {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.proof-firms {
  font-family: var(--serif);
  font-size: 1rem;
  color: var(--ink-muted);
  text-align: center;
  line-height: 2;
  letter-spacing: 0.01em;
}

.proof-dot {
  color: var(--accent);
  margin: 0 0.4rem;
}

/* ------------------------------------------------------------
   Practice areas
   ------------------------------------------------------------ */
.practice-list {
  list-style: none;
  counter-reset: practice;
  margin-top: 1rem;
}

.practice-item {
  border-bottom: 1px solid var(--rule);
  transition: background 0.4s var(--ease-out);
}

.practice-item:last-child { border-bottom: none; }
.practice-item.is-open { background: var(--canvas-elevated); }

.practice-trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 1.5rem;
  padding: 2rem 1.2rem 2rem 0;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: inherit;
  transition: padding-left 0.4s var(--ease-out);
}

.practice-item.is-open .practice-trigger { padding-left: 1.2rem; }

.practice-numeral {
  font-family: var(--serif);
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  padding-top: 0.4rem;
  min-width: 1.8rem;
}

.practice-name {
  font-family: var(--serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--ink);
  line-height: 1.25;
}

.practice-desc {
  font-size: 0.96rem;
  color: var(--ink-muted);
  max-width: 620px;
  line-height: 1.65;
}

.practice-toggle {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--accent);
  padding-top: 0.1rem;
  transition: transform 0.4s var(--ease-out);
  display: inline-block;
}

.practice-item.is-open .practice-toggle { transform: rotate(45deg); }

.practice-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.55s var(--ease-out), padding 0.4s var(--ease-out);
  padding: 0 1.2rem 0 4.6rem;
}

.practice-item.is-open .practice-panel {
  max-height: 800px;
  padding-bottom: 2.2rem;
}

.practice-detail-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  padding-top: 0.4rem;
}

.practice-detail-grid h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
  margin-top: 1.2rem;
}

.practice-detail-grid h4:first-child { margin-top: 0; }

.practice-detail-grid ul {
  list-style: none;
  padding-left: 0;
}

.practice-detail-grid ul li {
  font-size: 0.95rem;
  color: var(--ink-soft);
  padding: 0.35rem 0 0.35rem 1rem;
  position: relative;
}

.practice-detail-grid ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.95rem;
  width: 6px;
  height: 1px;
  background: var(--accent);
}

.practice-detail-grid p {
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.practice-tags {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
  line-height: 1.8;
}

/* ------------------------------------------------------------
   Industries
   ------------------------------------------------------------ */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  margin-top: 2rem;
}

.industry-card {
  position: relative;
  padding: 2rem 1.8rem;
  background: var(--canvas-elevated);
  border: 1px solid var(--rule-soft);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: transform 0.4s var(--ease-out), border-color 0.4s, background 0.4s, box-shadow 0.4s;
}

.industry-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-light);
  background: #FFFEFA;
  box-shadow: 0 12px 32px -24px rgba(107, 79, 42, 0.5);
}

.industry-icon {
  color: var(--accent);
  margin-bottom: 0.2rem;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--rule);
  background: var(--canvas);
  transition: color 0.3s, border-color 0.3s;
}

.industry-card:hover .industry-icon {
  color: var(--accent-bright);
  border-color: var(--accent-light);
}

.industry-card h3 {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.25;
}

.industry-card p {
  font-size: 0.93rem;
  color: var(--ink-muted);
  line-height: 1.6;
  flex: 1;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.6rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--rule-soft);
}

.industry-tags span {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.25rem 0.55rem;
  background: var(--canvas);
  border: 1px solid var(--rule-soft);
}

/* ------------------------------------------------------------
   Method
   ------------------------------------------------------------ */
.method-diagram {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: stretch;
  gap: 1.2rem;
  margin: 3rem 0 2.5rem;
}

.method-node {
  text-align: center;
  padding: 1.8rem 1.5rem;
  border: 1px solid var(--rule);
  background: var(--canvas-elevated);
  font-family: var(--serif);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 0.6rem;
  transition: transform 0.4s var(--ease-out), border-color 0.4s, box-shadow 0.4s;
}

.method-node:hover {
  transform: translateY(-4px);
  border-color: var(--accent-light);
  box-shadow: 0 8px 24px -16px rgba(107, 79, 42, 0.4);
}

.method-node-accent {
  background: var(--ink);
  border-color: var(--ink);
}

.method-node-accent .method-node-numeral,
.method-node-accent .method-node-title,
.method-node-accent .method-node-desc {
  color: var(--canvas);
}

.method-node-accent .method-node-numeral { color: var(--accent-bright); }

.method-node-numeral {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
}

.method-node-title {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink);
}

.method-node-desc {
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.55;
  color: var(--ink-muted);
}

.method-plus {
  font-family: var(--serif);
  font-size: 1.8rem;
  color: var(--accent);
  align-self: center;
}

.auditengine-callout {
  position: relative;
  margin-top: 3rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, var(--ink) 0%, #0f0f0f 100%);
  color: var(--canvas);
  border: 1px solid var(--ink);
  overflow: hidden;
}

.auditengine-callout::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, var(--accent-glow), transparent 60%);
  pointer-events: none;
}

.auditengine-tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-bright);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent-bright);
  margin-bottom: 1rem;
}

.auditengine-callout h3 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--canvas);
  margin-bottom: 0.8rem;
}

.auditengine-callout p {
  color: rgba(248, 245, 238, 0.78);
  max-width: 580px;
  margin-bottom: 1.5rem;
  font-size: 0.98rem;
}

.auditengine-callout .cta-link {
  color: var(--accent-bright);
  border-color: var(--accent-bright);
}

.auditengine-callout .cta-link:hover {
  color: var(--canvas);
  border-color: var(--canvas);
}

.auditengine-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.6rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.8rem;
  position: relative;
  z-index: 1;
}

.auditengine-list li {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: rgba(248, 245, 238, 0.85);
  padding-left: 1rem;
  position: relative;
  line-height: 1.55;
}

.auditengine-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--accent-bright);
}

.auditengine-actions {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ------------------------------------------------------------
   Standards reference
   ------------------------------------------------------------ */
.standards-block {
  margin-top: 3.5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--rule-soft);
}

.standards-head { margin-bottom: 2rem; }

.standards-head h3 {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  font-weight: 600;
  margin-bottom: 0.6rem;
  color: var(--ink);
}

.standards-head p {
  font-size: 1rem;
  color: var(--ink-muted);
  max-width: 600px;
}

.standards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.standard-group {
  padding: 1.6rem 1.4rem;
  background: var(--canvas-elevated);
  border: 1px solid var(--rule-soft);
  transition: border-color 0.4s, background 0.4s;
}

.standard-group:hover {
  border-color: var(--accent-light);
  background: #FFFEFA;
}

.standard-group h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--rule-soft);
}

.standard-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.standard-group li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.05rem;
  padding: 0.4rem 0;
  border-bottom: 1px dashed var(--rule-soft);
}

.standard-group li:last-child { border-bottom: none; }

.standard-code {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  font-weight: 500;
}

.standard-desc {
  font-family: var(--sans);
  font-size: 0.78rem;
  color: var(--ink-muted);
  font-weight: 300;
}

.standards-foot {
  margin-top: 2rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  max-width: 720px;
}

/* ------------------------------------------------------------
   Engagement steps
   ------------------------------------------------------------ */
.engagement-steps {
  list-style: none;
  counter-reset: engagement;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1rem;
}

.engagement-step {
  padding: 1.8rem 1.4rem;
  background: var(--canvas-elevated);
  border-top: 2px solid var(--accent);
  transition: transform 0.4s var(--ease-out), background 0.4s;
}

.engagement-step:hover {
  transform: translateY(-4px);
  background: #FFFEFA;
}

.engagement-numeral {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.engagement-step h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.engagement-step p {
  font-size: 0.92rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ------------------------------------------------------------
   Engagement principles
   ------------------------------------------------------------ */
.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule-soft);
}

.principle {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.principle-numeral {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.principle-title {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 0.4rem;
}

.principle p {
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.6;
}

/* ------------------------------------------------------------
   Insights
   ------------------------------------------------------------ */
.insights-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1rem;
}

.insight-card {
  padding: 2rem;
  background: var(--canvas-elevated);
  border: 1px solid var(--rule-soft);
  transition: transform 0.4s var(--ease-out), border-color 0.4s, background 0.4s;
  cursor: default;
}

.insight-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-light);
  background: #FFFEFA;
}

.insight-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
  position: relative;
}

.insight-card-link::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.4s var(--ease-out);
}

.insight-card-link:hover::after { transform: scaleY(1); }

.insight-card-link .insight-readtime {
  color: var(--accent);
}

.insights-footer {
  margin-top: 2.5rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--rule-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.insights-count {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}

.insight-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.insight-category { color: var(--accent); }
.insight-date { color: var(--ink-quiet); }

.insight-card h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.insight-card p {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  line-height: 1.65;
}

.insight-readtime {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-quiet);
}

/* ------------------------------------------------------------
   Founder
   ------------------------------------------------------------ */
.founder-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  margin-top: 1rem;
}

.founder-name {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.6vw, 2.1rem);
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.founder-credentials {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.founder-bio { max-width: 580px; color: var(--ink-soft); }
.founder-bio p { margin-bottom: 1.2rem; }
.founder-bio a { color: var(--accent); border-bottom: 1px solid var(--accent); text-decoration: none; }
.founder-bio a:hover { color: var(--ink); border-color: var(--ink); }

.founder-timeline {
  padding: 1.8rem;
  background: var(--canvas-elevated);
  border-left: 2px solid var(--accent);
}

.founder-timeline h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.founder-timeline ol {
  list-style: none;
  counter-reset: timeline;
}

.founder-timeline ol li {
  padding: 0.7rem 0;
  border-bottom: 1px dashed var(--rule-soft);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.founder-timeline ol li:last-child { border-bottom: none; }

.timeline-firm {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
}

.timeline-role {
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.timeline-current .timeline-firm { color: var(--accent); }
.timeline-current::after {
  content: "now";
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  align-self: flex-start;
  margin-top: 0.2rem;
}

/* ------------------------------------------------------------
   FAQ
   ------------------------------------------------------------ */
.faq-list { margin-top: 1rem; }

.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 1.6rem 0;
}

.faq-item:first-child { border-top: 1px solid var(--rule); }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding-right: 0.5rem;
  transition: color 0.3s;
}

.faq-item summary:hover { color: var(--accent); }
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: "+";
  font-family: var(--serif);
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform 0.4s var(--ease-out);
  display: inline-block;
}

.faq-item[open] summary::after { transform: rotate(45deg); }

.faq-item p {
  margin-top: 1rem;
  font-size: 0.98rem;
  color: var(--ink-muted);
  max-width: 720px;
  line-height: 1.7;
  animation: fadeUpFaq 0.5s var(--ease-out);
}

@keyframes fadeUpFaq {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ------------------------------------------------------------
   Contact
   ------------------------------------------------------------ */
.contact-section { padding-bottom: 7rem; }

.contact-lede {
  font-size: 1.05rem;
  color: var(--ink-muted);
  margin-bottom: 3rem;
  max-width: 560px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-direct h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.contact-email {
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 4px;
  margin-bottom: 2.5rem;
  transition: color 0.3s, border-color 0.3s;
  word-break: break-all;
}

.contact-email:hover { color: var(--accent); }

.contact-meta {
  display: grid;
  gap: 1.4rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  line-height: 1.7;
}

.contact-meta-label {
  display: block;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

/* form */
.contact-form {
  padding: 2.5rem;
  background: var(--canvas-elevated);
  border: 1px solid var(--rule-soft);
}

.form-field {
  margin-bottom: 1.4rem;
}

.form-field label {
  display: block;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.form-optional {
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--ink-quiet);
  font-size: 0.65rem;
  margin-left: 0.4rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 300;
  border: 1px solid var(--rule);
  background: var(--canvas);
  color: var(--ink);
  transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
  border-radius: 1px;
}

.form-field select { cursor: pointer; appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236B4F2A' stroke-width='1.5' fill='none'/%3e%3c/svg%3e"); background-repeat: no-repeat; background-position: right 1rem center; padding-right: 2.4rem; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
  background: #FFFEFA;
}

.form-field textarea {
  resize: vertical;
  min-height: 120px;
  font-family: var(--sans);
  line-height: 1.6;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.submit-btn {
  position: relative;
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.06em;
  padding: 0.95rem 2.6rem;
  background: var(--ink);
  color: var(--canvas);
  border: 1px solid var(--ink);
  cursor: pointer;
  transition: background 0.35s var(--ease-out), border-color 0.35s, transform 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
}

.submit-btn:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
}

.submit-btn:active:not(:disabled) { transform: translateY(1px); }

.submit-btn:disabled {
  cursor: progress;
  opacity: 0.9;
}

.submit-btn-spinner {
  display: none;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--canvas);
  border-top-color: transparent;
  border-radius: 50%;
  margin-left: 0.6rem;
  animation: spin 0.7s linear infinite;
}

.submit-btn.is-loading .submit-btn-spinner { display: inline-block; }
.submit-btn.is-loading .submit-btn-label { opacity: 0.7; }

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-status {
  margin-top: 1.2rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
  min-height: 1.2em;
  transition: color 0.3s;
}

.form-status.is-success { color: #4a7338; }
.form-status.is-error { color: #b34a3b; }

/* ------------------------------------------------------------
   Footer
   ------------------------------------------------------------ */
footer {
  padding: 4rem 0 3rem;
  border-top: 1px solid var(--rule);
  background: var(--canvas-deep);
  font-size: 0.82rem;
  color: var(--ink-muted);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.footer-wordmark {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  margin-bottom: 0.4rem;
}

.footer-brand p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--accent);
}

.footer-meta p { margin-bottom: 0.4rem; line-height: 1.6; }
.footer-copy { margin-top: 0.6rem !important; color: var(--ink-quiet); }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  text-align: right;
}

.footer-links a {
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
  align-self: flex-end;
}

.footer-links a:hover { color: var(--ink); border-bottom-color: var(--accent); }

/* ------------------------------------------------------------
   Responsive
   ------------------------------------------------------------ */
@media (max-width: 900px) {
  .container { padding: 0 1.6rem; }
  .two-col { grid-template-columns: 1fr; gap: 1.4rem; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem 1.5rem; }
  .industries-grid { grid-template-columns: repeat(2, 1fr); }
  .standards-grid { grid-template-columns: repeat(2, 1fr); }
  .auditengine-list { grid-template-columns: 1fr; }
  .method-diagram { grid-template-columns: 1fr; }
  .method-plus { transform: rotate(90deg); margin: -0.3rem 0; }
  .engagement-steps { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .insights-grid { grid-template-columns: 1fr; }
  .founder-grid { grid-template-columns: 1fr; gap: 2rem; }
  .practice-detail-grid { grid-template-columns: 1fr; gap: 1.4rem; }
  .practice-panel { padding-left: 1.2rem; }
  .practice-item.is-open .practice-panel { padding-left: 1.2rem; padding-bottom: 1.8rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.8rem; text-align: left; }
  .footer-links { text-align: left; flex-direction: row; flex-wrap: wrap; gap: 1rem; }
  .footer-links a { align-self: auto; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  section { padding: 4rem 0; }
  .hero { padding: 6rem 0 3rem; min-height: 90vh; }
  .header-nav { display: none; }
  .header-menu-toggle { display: flex; }
  .mobile-nav { display: flex; }
  .header-mark { opacity: 1; transform: none; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .industries-grid { grid-template-columns: 1fr; }
  .standards-grid { grid-template-columns: 1fr; }
  .auditengine-actions { flex-direction: column; gap: 1rem; }
  .proof-firms { font-size: 0.92rem; line-height: 1.9; }
  .engagement-steps { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; gap: 1.2rem; }
  .contact-form { padding: 1.8rem; }
  .auditengine-callout { padding: 1.8rem; }
  .hero-ctas { flex-direction: column; gap: 1.2rem; }
  .practice-trigger { grid-template-columns: auto 1fr auto; gap: 1rem; padding: 1.5rem 0; }
  .practice-name { font-size: 1.2rem; }
}