/* =========================================================
   FRAMELAB — design system v2.1
   Dark, geometric, confident. Plus Jakarta Sans display /
   Inter everywhere else / DM Mono for eyebrow labels only.
   ========================================================= */

:root {
  --ink: #0D0C09;        /* page background */
  --ink-2: #131110;      /* card background */
  --ink-3: #1A1916;      /* elevated / option background */
  --heading: #FFFFFF;    /* headlines */
  --text: #E8E4DC;       /* body text */
  --muted: #9B9488;      /* secondary / captions */
  --rule: rgba(232, 228, 220, 0.14);
  --rule-soft: rgba(232, 228, 220, 0.08);
  --accent: #C13A0C;
  --accent-bright: #E04A15;
  --accent-soft: rgba(193, 58, 12, 0.14);
  --display: 'Plus Jakarta Sans', 'Inter', 'Helvetica Neue', sans-serif;
  --sans: 'Inter', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --mono: 'DM Mono', 'SF Mono', Menlo, monospace;
  --maxw: 1200px;
  --gutter: 48px;
  --nav-h: 68px;
  --r-lg: 16px;
  --r-md: 12px;
  --r-sm: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; }

/* =========================================================
   TYPE
   ========================================================= */
h1, h2, h3, h4, .display {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--heading);
}
h1 em, h2 em, h3 em { font-style: normal; color: var(--accent-bright); }

p { color: var(--text); }
p strong { color: var(--heading); font-weight: 600; }

/* Eyebrow label — the ONLY place DM Mono is used */
.label {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
}
.label--accent { color: var(--accent-bright); }

/* In-card / UI labels use Inter — mono stays exclusive to
   section eyebrows (.section-head, .page-hero, .hero, .outro) */
.col .label,
.case-block .label,
.principle .label,
.diag-top .label,
.embed-head .label {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.07em;
}

/* =========================================================
   LAYOUT / SECTIONS
   ========================================================= */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
section { position: relative; }

.section { padding: 100px 0; }
.section--tight { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--rule-soft); }

.section-head { max-width: 720px; margin-bottom: 52px; }
.section-head .label { display: block; margin-bottom: 14px; }
.section-head h2 {
  font-size: clamp(30px, 3.8vw, 48px);
  line-height: 1.08;
}
.section-head .section-sub {
  margin-top: 14px;
  font-size: 17px;
  font-weight: 400;
  color: var(--text);
  max-width: 56ch;
}
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--center .section-sub { margin-left: auto; margin-right: auto; }

/* ---------- reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================
   NAV
   ========================================================= */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  border-bottom: 1px solid var(--rule-soft);
  background: rgba(13, 12, 9, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 19px;
  color: var(--heading);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.wordmark span {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 10px;
  color: var(--accent-bright);
  transform: translateY(-3px);
}
.nav-links { display: flex; gap: 6px; align-items: center; }
.nav-links a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  padding: 8px 13px;
  border-radius: var(--r-sm);
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-links a:hover { color: var(--heading); background: rgba(232, 228, 220, 0.06); }
.nav-links a[aria-current="page"] { color: var(--heading); }
.nav-links a.nav-cta,
.nav-links a.nav-cta[aria-current="page"] {
  margin-left: 10px;
  color: #fff;
  background: var(--accent);
  padding: 9px 18px;
  transition: background 0.2s ease, transform 0.2s ease;
}
.nav-links a.nav-cta:hover { background: var(--accent-bright); transform: translateY(-1px); }

/* mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
  z-index: 120;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--heading);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
body.menu-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .nav-toggle span:nth-child(2) { opacity: 0; }
body.menu-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 var(--gutter);
  gap: 2px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
body.menu-open .mobile-menu { opacity: 1; pointer-events: auto; transform: none; }
.mobile-menu a {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 27px;
  color: var(--heading);
  text-decoration: none;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule-soft);
  display: flex;
  align-items: baseline;
  gap: 14px;
  transition: color 0.2s ease, padding-left 0.25s ease;
}
.mobile-menu a:hover { color: var(--accent-bright); padding-left: 8px; }
.mobile-menu a .idx {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  color: var(--accent-bright);
}
.mobile-menu a[aria-current="page"] { color: var(--accent-bright); }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14.5px;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: #fff;
  background: var(--accent);
  padding: 14px 26px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  background: var(--accent-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(193, 58, 12, 0.28);
}
.btn .arrow { display: inline-block; transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1); }
.btn:hover .arrow { transform: translateX(4px); }

.btn--ghost {
  background: transparent;
  border-color: var(--rule);
  color: var(--heading);
}
.btn--ghost:hover {
  background: rgba(232, 228, 220, 0.06);
  border-color: rgba(232, 228, 220, 0.32);
  box-shadow: none;
}

/* =========================================================
   HERO (home)
   ========================================================= */
.hero {
  padding-top: calc(var(--nav-h) + 84px);
  padding-bottom: 96px;
  background:
    radial-gradient(ellipse 70% 55% at 50% -12%, rgba(193, 58, 12, 0.12), transparent 62%),
    var(--ink);
}
.hero-inner { max-width: 860px; }
.hero .label { display: inline-block; margin-bottom: 18px; }
.hero h1 {
  font-size: clamp(38px, 5.6vw, 72px);
  line-height: 1.03;
}
.hero-sub {
  margin-top: 24px;
  font-size: clamp(17px, 1.6vw, 19px);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text);
  max-width: 54ch;
}
.hero-sub strong { color: var(--heading); font-weight: 600; }
.hero-ctas {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* =========================================================
   PAGE HERO (interior pages)
   ========================================================= */
.page-hero {
  padding-top: calc(var(--nav-h) + 66px);
  padding-bottom: 56px;
  border-bottom: 1px solid var(--rule-soft);
  background:
    radial-gradient(ellipse 70% 50% at 50% -14%, rgba(193, 58, 12, 0.1), transparent 60%),
    var(--ink);
}
.page-hero .eyebrow {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.page-hero h1 {
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.05;
  max-width: 20ch;
}
.page-hero .lede {
  margin-top: 18px;
  font-size: 17.5px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--text);
  max-width: 58ch;
}

/* =========================================================
   DIAGNOSTIC
   ========================================================= */
.diag-shell {
  border: 1px solid var(--rule);
  background: var(--ink-2);
  border-radius: var(--r-lg);
  overflow: hidden;
  max-width: 820px;
  margin: 0 auto;
}
.diag-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 22px;
  border-bottom: 1px solid var(--rule);
  flex-wrap: wrap;
  gap: 8px;
}
.diag-top .label { color: var(--muted); font-size: 10.5px; }
.diag-progress {
  height: 2px;
  background: var(--rule-soft);
  position: relative;
  overflow: hidden;
}
.diag-progress .bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  background: var(--accent);
  transition: width 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.diag-body { padding: 30px 30px 26px; }

.diag-q { display: none; }
.diag-q.active { display: block; animation: qfade 0.4s cubic-bezier(0.16,1,0.3,1); }
@keyframes qfade { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.diag-q .qnum {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bright);
  display: block;
  margin-bottom: 10px;
}
.diag-q h3 {
  font-size: clamp(20px, 2.3vw, 26px);
  line-height: 1.2;
  margin-bottom: 20px;
  max-width: 30ch;
}
.diag-options { display: grid; gap: 8px; }
.diag-opt {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  text-align: left;
  background: var(--ink-3);
  border: 1.5px solid var(--rule);
  border-radius: var(--r-md);
  color: var(--text);
  padding: 14px 16px;
  cursor: pointer;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 15px;
  transition: border-color 0.18s ease, background 0.18s ease;
}
.diag-opt:hover { border-color: var(--accent); background: #201D19; }
.diag-opt.selected { border-color: var(--accent); background: var(--accent-soft); color: var(--heading); }
.diag-opt .key {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12px;
  color: var(--text);
  background: rgba(232, 228, 220, 0.07);
  border: 1px solid var(--rule);
  border-radius: 7px;
  width: 27px; height: 27px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}
.diag-opt:hover .key { border-color: var(--accent); color: var(--accent-bright); }
.diag-opt.selected .key { border-color: var(--accent); background: var(--accent); color: #fff; }

.diag-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-soft);
}
.diag-back {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13.5px;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.2s ease;
}
.diag-back:hover { color: var(--heading); }
.diag-back[disabled] { opacity: 0.35; cursor: not-allowed; }
.diag-hint {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12px;
  color: var(--muted);
}
.diag-note {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 12.5px;
  color: var(--muted);
  text-align: center;
  margin-top: 14px;
}

/* result */
.diag-result { display: none; }
.diag-result.active { display: block; animation: qfade 0.45s cubic-bezier(0.16,1,0.3,1); }
.result-head { margin-bottom: 22px; }
.result-head .label { display: block; margin-bottom: 10px; }
.result-head h3 {
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.12;
  max-width: 24ch;
}
.result-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 22px;
}
.result-metric {
  background: var(--ink-3);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 18px 18px;
}
.result-metric .label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.05em;
}
.result-metric .big {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 17.5px;
  line-height: 1.25;
  color: var(--heading);
}
.result-metric .big em { font-style: normal; color: var(--accent-bright); }
.result-body p {
  color: var(--text);
  font-weight: 400;
  font-size: 15.5px;
  margin-bottom: 12px;
  max-width: 64ch;
}
.result-cta {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.diag-restart {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.2s ease;
}
.diag-restart:hover { color: var(--heading); }

/* =========================================================
   PROBLEM — three columns
   ========================================================= */
.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.col {
  background: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  padding: 28px 26px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.col:hover { border-color: rgba(232, 228, 220, 0.24); transform: translateY(-2px); }
.col .label { display: block; margin-bottom: 16px; }
.col h3 { font-size: 20px; line-height: 1.25; margin-bottom: 10px; }
.col p { font-size: 15px; font-weight: 400; color: var(--text); line-height: 1.65; }

/* =========================================================
   PROCESS — horizontal timeline
   ========================================================= */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.steps::before {
  content: '';
  position: absolute;
  top: 19px;
  left: 20px;
  right: 20px;
  height: 1px;
  background: var(--rule);
}
.step { position: relative; padding-top: 56px; }
.step .step-dot {
  position: absolute;
  top: 0; left: 0;
  width: 38px; height: 38px;
  border-radius: 11px;
  background: var(--ink-3);
  border: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--accent-bright);
  transition: border-color 0.25s ease, background 0.25s ease;
}
.step:hover .step-dot { border-color: var(--accent); background: var(--accent-soft); }
.step .step-time {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bright);
  display: block;
  margin-bottom: 8px;
}
.step h3 { font-size: 18.5px; line-height: 1.2; margin-bottom: 8px; }
.step p { font-size: 14.5px; font-weight: 400; color: var(--text); line-height: 1.65; }

/* =========================================================
   DIFFERENTIATORS
   ========================================================= */
.diff-list { border-top: 1px solid var(--rule); counter-reset: diff; }
.diff-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid var(--rule);
  counter-increment: diff;
  transition: padding-left 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.diff-item:hover { padding-left: 10px; }
.diff-item::before {
  content: counter(diff, decimal-leading-zero);
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  color: var(--accent-bright);
}
.diff-item h3 { font-size: clamp(17px, 1.9vw, 21px); line-height: 1.25; }
.diff-item p { font-size: 15px; font-weight: 400; color: var(--text); line-height: 1.65; }

/* =========================================================
   FAQ
   ========================================================= */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--ink-2);
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color 0.25s ease;
}
.faq-item[open] { border-color: rgba(232, 228, 220, 0.24); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 17px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.015em;
  font-size: 15.5px;
  color: var(--heading);
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-bright); }
.faq-item summary::after {
  content: '+';
  font-family: var(--sans);
  font-weight: 400;
  font-size: 19px;
  color: var(--accent-bright);
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a {
  padding: 0 20px 18px;
  font-size: 14.5px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.7;
  max-width: 64ch;
}

/* =========================================================
   OUTRO / CTA
   ========================================================= */
.outro {
  padding: 104px 0 92px;
  border-top: 1px solid var(--rule-soft);
  background:
    radial-gradient(ellipse 70% 60% at 50% 118%, rgba(193, 58, 12, 0.14), transparent 62%),
    var(--ink);
}
.outro-inner { text-align: center; max-width: 720px; margin: 0 auto; }
.outro .label { display: block; margin-bottom: 14px; }
.outro h2 {
  font-size: clamp(30px, 4.2vw, 52px);
  line-height: 1.05;
  margin-bottom: 16px;
}
.outro .outro-inner > p {
  color: var(--text);
  font-weight: 400;
  max-width: 50ch;
  margin: 0 auto 28px;
  font-size: 16.5px;
}
.outro-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* =========================================================
   FOOTER — minimal
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--rule-soft);
  padding: 40px 0 32px;
}
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule-soft);
}
.footer-nav { display: flex; gap: 4px; flex-wrap: wrap; }
.footer-nav a {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  padding: 6px 11px;
  border-radius: var(--r-sm);
  transition: color 0.2s ease, background 0.2s ease;
}
.footer-nav a:hover { color: var(--heading); background: rgba(232, 228, 220, 0.06); }
.footer-mail {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer-mail:hover { color: var(--accent-bright); }
.footer-bar {
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.footer-bar span {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* =========================================================
   CASE STUDIES
   ========================================================= */
.case-list { display: grid; gap: 12px; }
.case-row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 220px;
  gap: 30px;
  align-items: center;
  padding: 26px 28px;
  background: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-lg);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.case-row:hover { border-color: rgba(232, 228, 220, 0.26); transform: translateY(-2px); }
.case-row .case-tag {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bright);
}
.case-row .case-region {
  color: var(--muted);
  font-size: 12.5px;
  font-family: var(--sans);
  font-weight: 400;
  margin-top: 6px;
}
.case-row h3 { font-size: clamp(16px, 1.8vw, 19px); line-height: 1.3; color: var(--heading); }
.case-row .case-metrics { display: flex; gap: 24px; justify-content: flex-end; }
.case-row .case-metric { text-align: right; }
.case-row .case-metric .num {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 22px;
  color: var(--accent-bright);
  line-height: 1;
  display: block;
}
.case-row .case-metric .cap {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11px;
  color: var(--muted);
  margin-top: 6px;
}

.case-hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 28px;
}
.case-hero-metrics .m {
  background: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 20px 20px;
}
.case-hero-metrics .m .num {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--accent-bright);
  line-height: 1;
}
.case-hero-metrics .m .cap {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 8px;
}

.case-body { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 40px; }
.case-block { padding: 32px 0; border-top: 1px solid var(--rule); }
.case-block .label { display: block; padding-top: 6px; }
.case-block h3 { font-size: clamp(18px, 2vw, 23px); line-height: 1.25; margin-bottom: 12px; }
.case-block p { color: var(--text); font-weight: 400; max-width: 64ch; margin-bottom: 12px; }
.case-block p:last-child { margin-bottom: 0; }
.case-quote {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(19px, 2.3vw, 25px);
  line-height: 1.35;
  color: var(--heading);
  max-width: 30ch;
}
.case-quote .who {
  display: block;
  font-family: var(--sans);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 11px;
  color: var(--muted);
  margin-top: 14px;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about-statement {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.15;
  color: var(--heading);
  max-width: 20ch;
}
.about-statement em { font-style: normal; color: var(--accent-bright); }
.about-lead-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.about-lead-grid .body p { color: var(--text); font-weight: 400; margin-bottom: 14px; }

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.stat {
  background: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 24px 22px;
}
.stat .num {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: clamp(28px, 3.2vw, 38px);
  line-height: 1;
  color: var(--heading);
}
.stat .num em { font-style: normal; color: var(--accent-bright); }
.stat .cap {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.55;
}

.principle-list { border-top: 1px solid var(--rule); }
.principle {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 36px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
}
.principle .label { padding-top: 5px; }
.principle h3 { font-size: clamp(17px, 1.9vw, 21px); line-height: 1.25; margin-bottom: 8px; }
.principle p { color: var(--text); font-weight: 400; max-width: 62ch; }

/* =========================================================
   CONTACT / BOOK
   ========================================================= */
.book-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: 44px; align-items: start; }
.book-aside .label { display: block; margin-bottom: 14px; }
.book-aside h2 {
  font-size: clamp(24px, 2.8vw, 34px);
  line-height: 1.1;
  margin-bottom: 16px;
}
.book-aside > p { color: var(--text); font-weight: 400; margin-bottom: 24px; max-width: 44ch; }
.book-facts { border-top: 1px solid var(--rule); }
.book-fact {
  padding: 13px 0;
  border-bottom: 1px solid var(--rule-soft);
  display: flex;
  justify-content: space-between;
  gap: 18px;
}
.book-fact .k {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 12.5px;
  color: var(--muted);
}
.book-fact .v { color: var(--text); font-size: 14px; text-align: right; }
.book-fact .v a { color: var(--accent-bright); text-decoration: none; }
.book-fact .v a:hover { text-decoration: underline; }

.book-embed {
  border: 1px solid var(--rule);
  background: var(--ink-2);
  border-radius: var(--r-lg);
  min-height: 640px;
  position: relative;
  overflow: hidden;
}
.book-embed .embed-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 20px;
  border-bottom: 1px solid var(--rule);
}
.book-embed .embed-head .label { color: var(--muted); font-size: 10.5px; }
.calendly-inline-widget { min-width: 320px; height: 640px; }
.embed-fallback { padding: 52px 36px; text-align: center; }
.embed-fallback h3 { font-size: 22px; margin-bottom: 10px; }
.embed-fallback p { color: var(--text); font-weight: 400; max-width: 40ch; margin: 0 auto 24px; }

.book-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 40px;
}
.book-step {
  background: var(--ink-2);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  padding: 24px 22px;
}
.book-step .n {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent-bright);
  display: block;
  margin-bottom: 10px;
}
.book-step h4 {
  font-size: 17px;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
}
.book-step p { color: var(--text); font-weight: 400; font-size: 14px; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .cols { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; gap: 32px 22px; }
  .steps::before { display: none; }
  .diff-item { grid-template-columns: 48px 1fr; }
  .diff-item p { grid-column: 2; }
  .about-lead-grid { grid-template-columns: 1fr; gap: 28px; }
  .book-grid { grid-template-columns: 1fr; gap: 28px; }
  .case-row { grid-template-columns: 1fr; gap: 12px; padding: 22px; }
  .case-row .case-metrics { justify-content: flex-start; gap: 30px; }
  .case-row .case-metric { text-align: left; }
  .case-body { grid-template-columns: 1fr; gap: 6px; }
  .principle { grid-template-columns: 1fr; gap: 8px; }
  .stat-row { grid-template-columns: 1fr 1fr; }
  .case-hero-metrics { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .result-metrics { grid-template-columns: 1fr; }
  .book-steps { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  :root { --gutter: 22px; }
  .section { padding: 66px 0; }
  .section--tight { padding: 52px 0; }
  .section-head { margin-bottom: 36px; }
  .hero { padding-top: calc(var(--nav-h) + 56px); padding-bottom: 64px; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .page-hero { padding-top: calc(var(--nav-h) + 44px); padding-bottom: 40px; }
  .steps { grid-template-columns: 1fr; gap: 26px; }
  .diag-body { padding: 24px 18px 22px; }
  .diff-item { gap: 16px; padding: 22px 0; }
  .diff-item:hover { padding-left: 0; }
  .outro { padding: 72px 0 60px; }
  .outro-actions .btn { width: 100%; justify-content: center; }
  .footer-row { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-bar { flex-direction: column; gap: 4px; }
}