/* ==========================================================================
   MASON TOWER — COMPLETE STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  --color-accent: #537088;
  --color-accent-dark: #3a5062;
  --color-accent-light: #9fb5c7;
  --color-accent-subtle: #edf3f7;
  --color-accent-glow: rgba(83, 112, 136, 0.25);

  /* Structured range of navy surfaces — not one flat dark field */
  --color-dark-bg: #0f1d2b;
  --color-dark-surface: #152738;
  --color-dark-surface-raised: #1a3145;
  --color-dark-border: #1e354a;
  --color-dark-card: #182e42;
  --color-footer-bar: #0b1520;

  --color-heading: #122232;
  --color-body: #4a5c6d;
  --color-muted: #54697c;
  --color-border: #dbe3eb;
  --color-border-subtle: #eef2f6;
  --color-border-strong: #7a90a2;

  --color-on-dark-muted: #9fb5c7;
  --color-on-dark-body: #cbd8e4;

  --color-light-bg: #f6f8fa;
  --color-white: #ffffff;

  /* Evidence/signal color — reserved exclusively for findings, flags, verification marks */
  --color-signal: #e0984a;
  --color-signal-on-light: #a05c1c;
  --color-signal-subtle: rgba(224, 152, 74, 0.14);

  --font-display: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --section-padding-compact: 72px 0;
  --section-padding-standard: 96px 0;
  --section-padding-major: 120px 0;
  --container-max-width: 1170px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-sm: 0 2px 4px rgba(15, 29, 43, 0.04);
  --shadow-md: 0 8px 20px -4px rgba(15, 29, 43, 0.08), 0 2px 6px -1px rgba(15, 29, 43, 0.04);
  --shadow-lg: 0 20px 40px -10px rgba(15, 29, 43, 0.12), 0 6px 12px -2px rgba(15, 29, 43, 0.04);
  --shadow-hover: 0 16px 32px -12px rgba(15, 29, 43, 0.18), 0 8px 16px -4px rgba(15, 29, 43, 0.08);
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-body);
  background-color: var(--color-white);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

table {
  border-collapse: collapse;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section {
  padding: var(--section-padding-standard);
  position: relative;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   2.1 ACCESSIBILITY — SKIP LINK & FOCUS STATES
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 2000;
  background-color: var(--color-white);
  color: var(--color-heading);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  padding: 12px 20px;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 16px;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2.5px solid var(--color-signal);
  outline-offset: 3px;
  border-radius: 2px;
}

.form-control:focus-visible {
  outline: none;
}

/* --------------------------------------------------------------------------
   3. MOTION
   -------------------------------------------------------------------------- */
.reveal-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-item.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-item.delay-1 { transition-delay: 0.05s; }
.reveal-item.delay-2 { transition-delay: 0.12s; }
.reveal-item.delay-3 { transition-delay: 0.19s; }

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

/* --------------------------------------------------------------------------
   4. RECURRING DESIGN COMPONENTS
   -------------------------------------------------------------------------- */
.section-header {
  margin-bottom: 56px;
  position: relative;
}

.section-header.text-left {
  text-align: left;
}

.section-coordinate {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-border-strong);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.section-coordinate-on-dark {
  color: rgba(159, 181, 199, 0.55);
}

.eyebrow-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 14px;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
  display: inline-block;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.625rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-heading);
  letter-spacing: -0.015em;
}

.title-period {
  color: var(--color-accent);
}

.accent-underline {
  width: 38px;
  height: 2px;
  background-color: var(--color-accent);
  margin-top: 18px;
}

.accent-underline.left {
  margin-left: 0;
  margin-right: auto;
}

.section-intro {
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-muted);
  max-width: 600px;
  margin-top: 20px;
}

/* Evidence mark — the recurring proprietary-evidence brand device */
.evidence-mark {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-signal-on-light);
}

.findings-section .evidence-mark,
.hero-section .evidence-mark,
.case-file .evidence-mark {
  color: var(--color-signal);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 3px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--transition-smooth), box-shadow var(--transition-smooth), transform var(--transition-smooth);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-hero {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 16px 24px;
  max-width: 320px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 6px 14px rgba(15, 29, 43, 0.35);
}

.btn-hero:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(15, 29, 43, 0.4);
}

.btn-submit {
  background-color: var(--color-accent);
  color: var(--color-white);
  padding: 16px 24px;
  width: 100%;
  max-width: 320px;
  box-shadow: 0 4px 10px rgba(15, 29, 43, 0.12);
}

.btn-submit:hover:not(:disabled) {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(15, 29, 43, 0.16);
}

/* --------------------------------------------------------------------------
   5. STICKY HEADER & NAVBAR
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 84px;
  background-color: transparent;
  border-bottom: 1px solid transparent;
  z-index: 1000;
  transition: background-color var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.site-header.scrolled {
  height: 70px;
  background-color: rgba(15, 29, 43, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.header-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
  text-transform: lowercase;
}

.logo-mark {
  position: relative;
  width: 3px;
  height: 20px;
  background-color: var(--color-accent-light);
  border-radius: 2px;
  margin-right: 12px;
}

.logo-mark::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
}

.logo-dot {
  color: var(--color-accent-light);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.86);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent-light);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-header-cta {
  display: inline-block;
  max-width: 150px;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  padding: 9px 16px;
  border-radius: 3px;
  transition: all var(--transition-smooth);
  white-space: nowrap;
}

.btn-header-cta:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 2px;
}

.mobile-menu-toggle .bar {
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  transition: all var(--transition-smooth);
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  top: 70px;
  background: rgba(6, 12, 20, 0.55);
  z-index: 998;
}

.mobile-drawer {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background-color: var(--color-dark-bg);
  border-bottom: 1px solid var(--color-dark-border);
  padding: 24px;
  z-index: 999;
  max-height: calc(100vh - 70px);
  overflow-y: auto;
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-white);
  padding: 6px 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.mobile-nav-cta {
  color: var(--color-accent-light);
}

/* --------------------------------------------------------------------------
   6. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  background-color: var(--color-dark-bg);
  background-image: radial-gradient(circle at 50% 0%, rgba(83, 112, 136, 0.16), transparent 55%);
  color: var(--color-white);
  padding-top: 130px;
  padding-bottom: 56px;
  overflow: hidden;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: 22px;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5vw, 4.125rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--color-white);
  margin-bottom: 26px;
}

.hero-headline .accent-text,
.cta-headline .accent-text {
  position: relative;
  color: var(--color-accent-light);
  white-space: nowrap;
}

.hero-headline .accent-text::after,
.cta-headline .accent-text::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 3px;
  border-radius: 2px;
  background-color: var(--color-signal);
  opacity: 0.55;
}

.hero-subhead {
  font-family: var(--font-sans);
  font-size: 1.1875rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-on-dark-body);
  max-width: 620px;
  margin: 0 auto 36px;
}

.hero-cta-wrapper {
  margin-bottom: 28px;
  display: flex;
  justify-content: center;
}

.hero-scope-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 24px;
  margin-bottom: 8px;
}

.hero-scope-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-on-dark-muted);
}

.hero-scope-list .evidence-mark {
  color: var(--color-signal);
  font-weight: 700;
}

/* Hero diagnostic artifact — proprietary evidence panel, offset from center */
.hero-artifact {
  width: 100%;
  max-width: 900px;
  margin: 40px auto 0;
  display: flex;
  justify-content: flex-end;
}

.artifact-card {
  width: min(100%, 380px);
  background-color: var(--color-dark-surface-raised);
  border: 1px solid var(--color-dark-border);
  border-radius: 8px;
  padding: 22px 22px 18px;
  text-align: left;
  box-shadow: var(--shadow-lg);
  transform: rotate(-0.6deg) translateX(-8px);
}

.artifact-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.artifact-id {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-signal);
  font-variant-numeric: tabular-nums;
}

.artifact-badge {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 3px;
  padding: 3px 8px;
}

.artifact-query {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.9375rem;
  color: var(--color-white);
  line-height: 1.5;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.14);
}

.artifact-answer-label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-on-dark-muted);
  margin-bottom: 6px;
}

.artifact-answer p {
  font-size: 0.8125rem;
  color: var(--color-on-dark-body);
  line-height: 1.65;
  margin-bottom: 14px;
}

.artifact-highlight {
  background-color: rgba(224, 152, 74, 0.22);
  color: var(--color-signal);
  padding: 0 3px;
  border-radius: 2px;
}

.artifact-annotation {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background-color: rgba(224, 152, 74, 0.08);
  border-left: 2px solid var(--color-signal);
  padding: 10px 12px;
  margin-bottom: 14px;
  border-radius: 0 4px 4px 0;
}

.artifact-annotation-index {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-signal);
  flex-shrink: 0;
}

.artifact-annotation p {
  font-size: 0.75rem;
  color: var(--color-on-dark-body);
  line-height: 1.5;
}

.artifact-footer {
  font-size: 0.6875rem;
  color: var(--color-on-dark-muted);
  line-height: 1.5;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 12px;
}

.scroll-down-indicator {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-top: 32px;
  animation: chevronNudge 2.4s infinite;
}

.scroll-down-indicator:hover {
  color: var(--color-accent-light);
}

@media (prefers-reduced-motion: reduce) {
  .scroll-down-indicator { animation: none; }
}

@keyframes chevronNudge {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(6px); }
  60% { transform: translateY(3px); }
}

/* --------------------------------------------------------------------------
   7. HOW IT WORKS — QUERY-TO-DIAGNOSIS-TO-FIX FLOW
   -------------------------------------------------------------------------- */
.how-it-works-section {
  background-color: var(--color-white);
}

.process-trace {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
  background-color: var(--color-light-bg);
  border: 1px solid var(--color-border-subtle);
  border-radius: 6px;
  padding: 14px 20px;
  margin-bottom: 12px;
}

.process-trace-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.process-trace-query {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  color: var(--color-heading);
}

.steps-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  margin-top: 56px;
  position: relative;
}

.steps-rail::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  height: 1px;
  background-color: var(--color-border);
  z-index: 0;
}

.step {
  position: relative;
  z-index: 1;
}

.step-marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  background-color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.step-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--color-accent);
}

.step-title {
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: 12px;
}

.step-body {
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.7;
  max-width: 32ch;
  margin-bottom: 20px;
}

.step-detail {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 16px;
}

.step-detail-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-border-strong);
  margin-bottom: 4px;
}

.step-detail p {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.step-detail p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   8. THE OFFER — COMMERCIAL DOSSIERS
   -------------------------------------------------------------------------- */
.offer-section {
  background-color: var(--color-light-bg);
  border-top: 1px solid var(--color-border-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
}

.offer-body {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 8px;
}

.offer-framing-text {
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.offer-framing-secondary {
  color: var(--color-muted);
  font-size: 0.875rem;
}

.offer-cap-badge {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-top: 32px;
  padding: 18px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-signal);
  border-radius: 4px;
}

.offer-cap-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-signal-on-light);
  line-height: 1;
}

.offer-cap-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: 6px;
}

.offer-cap-text {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.offer-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.offer-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-smooth), transform var(--transition-smooth), border-color var(--transition-smooth);
}

.offer-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: #c4d3e0;
}

.offer-card-featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.offer-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.offer-card-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.offer-icon {
  flex-shrink: 0;
  color: var(--color-accent);
}

.offer-card-title {
  font-family: var(--font-display);
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.3;
}

.offer-best-for {
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-bottom: 22px;
}

.offer-dossier-block {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 16px;
  margin-bottom: 18px;
}

.offer-dossier-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-border-strong);
  margin-bottom: 10px;
}

.offer-deliverables li {
  position: relative;
  padding-left: 18px;
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: 10px;
}

.offer-deliverables li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-accent-light);
}

.offer-output-stack li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-heading);
  line-height: 1.6;
  margin-bottom: 8px;
}

.offer-output-stack li::before {
  content: '\2014';
  position: absolute;
  left: 0;
  color: var(--color-border-strong);
}

.offer-boundary-text {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.offer-footer {
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 20px;
  margin-top: auto;
}

.offer-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
}

.offer-price {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
}

.offer-duration {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.offer-link {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-heading);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.offer-link:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

/* Comparison table */
.compare-block {
  margin: 56px auto 0;
  max-width: 900px;
}

.compare-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 20px;
  text-align: center;
}

.compare-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-white);
}

.compare-table {
  width: 100%;
  min-width: 560px;
  font-size: 0.8125rem;
}

.compare-table th,
.compare-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-subtle);
}

.compare-table thead th {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  background-color: var(--color-dark-bg);
}

.compare-table tbody th {
  font-weight: 700;
  color: var(--color-heading);
  background-color: var(--color-light-bg);
  white-space: nowrap;
}

.compare-table tbody td {
  color: var(--color-body);
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: none;
}

.fit-note {
  max-width: 720px;
  margin: 48px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--color-border);
  text-align: left;
}

.fit-note-title {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.fit-note-text {
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 16px;
}

.fit-note-definition {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.7;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: 4px;
  padding: 16px 18px;
}

.fit-note-definition strong {
  color: var(--color-heading);
}

/* --------------------------------------------------------------------------
   9. PROOF SECTION — FIELD REPORT / EVIDENCE FILE
   -------------------------------------------------------------------------- */
.proof-section {
  background-color: var(--color-white);
}

.case-file {
  margin-top: 48px;
  border: 1px solid var(--color-heading);
  border-radius: 6px;
  overflow: hidden;
}

.case-file-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  background-color: var(--color-heading);
  color: var(--color-white);
  padding: 14px 28px;
}

.case-file-header .evidence-mark {
  color: var(--color-signal);
}

.case-file-meta {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-on-dark-muted);
}

.case-file-body {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
}

.case-file-summary {
  padding: 36px 32px;
  border-right: 1px solid var(--color-border);
}

.case-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 14px;
}

.case-title-minor {
  font-size: 1.1875rem;
}

.case-summary {
  font-size: 0.9375rem;
  color: var(--color-body);
  line-height: 1.7;
  margin-bottom: 24px;
}

.case-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  border-top: 1px solid var(--color-border-subtle);
  padding-top: 22px;
  margin-bottom: 18px;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-accent);
}

.metric-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-top: 4px;
}

.case-file-note {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.6;
  font-style: italic;
}

.case-file-fields {
  padding: 36px 32px;
  background-color: var(--color-light-bg);
}

.case-file-field {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border-subtle);
}

.case-file-field:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.case-file-field dt {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-border-strong);
  margin-bottom: 6px;
}

.case-file-field dd {
  font-size: 0.875rem;
  color: var(--color-body);
  line-height: 1.6;
}

.case-file-pending-label {
  color: var(--color-signal-on-light) !important;
}

.case-file-pending {
  font-style: italic;
  color: var(--color-muted) !important;
}

/* Demoted secondary case */
.case-row-minor {
  margin-top: 28px;
  padding: 24px 28px;
  border: 1px dashed var(--color-border);
  border-radius: 6px;
  background-color: var(--color-light-bg);
}

.case-row-minor-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.case-row-minor-body {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.case-category {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 10px;
  display: block;
}

.case-row-metrics {
  display: flex;
  gap: 28px;
  flex-shrink: 0;
}

.case-row-metrics .metric-val {
  font-size: 1.25rem;
}

/* Methodology & limitations */
.methodology-block {
  margin-top: 48px;
  padding: 32px 36px;
  background-color: var(--color-dark-bg);
  color: var(--color-white);
  border-radius: 6px;
}

.methodology-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.methodology-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 22px;
}

.methodology-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-signal);
  margin-bottom: 8px;
}

.methodology-grid p {
  font-size: 0.8125rem;
  color: var(--color-on-dark-body);
  line-height: 1.65;
}

.methodology-founder-note {
  font-size: 0.8125rem;
  color: var(--color-on-dark-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 18px;
}

.needs-input {
  color: var(--color-signal);
  font-style: italic;
}

/* --------------------------------------------------------------------------
   10. RECENT FINDINGS — PUBLICATION LAYOUT (DARK CONTRAST)
   -------------------------------------------------------------------------- */
.findings-section {
  background-color: var(--color-dark-bg);
  color: var(--color-white);
  border-top: 1px solid var(--color-dark-border);
  position: relative;
  background-image: radial-gradient(circle at 85% 15%, rgba(83, 112, 136, 0.14), transparent 50%);
}

.findings-section .section-title {
  color: var(--color-white);
}

.findings-section .eyebrow-label {
  color: var(--color-on-dark-muted);
}

.findings-section .section-intro {
  color: var(--color-on-dark-muted);
}

.findings-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
  align-items: start;
}

.finding-featured {
  background-color: var(--color-dark-surface);
  border: 1px solid var(--color-dark-border);
  border-top: 2px solid var(--color-signal);
  border-radius: 2px 2px 6px 6px;
  padding: 32px 30px;
}

.finding-featured-secondary {
  border-top-color: var(--color-accent-light);
}

.finding-masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.finding-date {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-on-dark-muted);
  font-variant-numeric: tabular-nums;
}

.finding-tag {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-signal);
  border: 1px solid rgba(224, 152, 74, 0.4);
  border-radius: 3px;
  padding: 3px 8px;
}

.finding-title {
  font-family: var(--font-display);
  font-size: 1.3125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-white);
  margin-bottom: 14px;
}

.finding-snippet {
  font-size: 0.875rem;
  color: var(--color-on-dark-muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.finding-snippet-secondary {
  font-size: 0.75rem;
  font-style: italic;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   10.5 FAQ SECTION
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: var(--color-white);
}

.faq-list {
  max-width: 820px;
  margin-top: 40px;
  border-top: 1px solid var(--color-border);
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-question {
  margin: 0;
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: 20px 4px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-heading);
  min-height: 44px;
}

.faq-icon {
  flex-shrink: 0;
  position: relative;
  width: 18px;
  height: 18px;
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background-color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.faq-icon::before {
  width: 14px;
  height: 2px;
  transform: translate(-50%, -50%);
}

.faq-icon::after {
  width: 2px;
  height: 14px;
  transform: translate(-50%, -50%);
}

.faq-trigger[aria-expanded="true"] .faq-icon::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.faq-answer {
  padding: 0 4px 22px;
  max-width: 68ch;
}

.faq-answer p {
  font-size: 0.875rem;
  color: var(--color-body);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   11. FINAL CTA & CONTACT SECTION — CULMINATION
   -------------------------------------------------------------------------- */
.cta-contact-section {
  background-color: var(--color-light-bg);
  padding: var(--section-padding-major);
}

.cta-split {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: start;
}

.cta-intro {
  text-align: left;
  padding-top: 12px;
}

.cta-headline {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-heading);
  margin-bottom: 14px;
}

.cta-subhead {
  font-size: 1.125rem;
  color: var(--color-body);
  margin-bottom: 24px;
}

.cta-sample-block {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: 4px;
  padding: 18px 20px;
  margin-bottom: 22px;
}

.cta-sample-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: 10px;
}

.cta-sample-list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 6px;
}

.cta-sample-list li::before {
  content: '\2014';
  position: absolute;
  left: 0;
  color: var(--color-border-strong);
}

.cta-sample-list li:last-child {
  margin-bottom: 0;
}

.cta-response-time {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-accent);
}

.contact-form-wrapper {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}

.form-required-note {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-bottom: 20px;
}

.required-marker {
  color: var(--color-signal-on-light);
}

.form-honeypot {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  left: -9999px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-heading);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-heading);
  background-color: var(--color-white);
  border: 1.5px solid var(--color-border-strong);
  border-radius: 4px;
  padding: 13px 16px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  background-color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.form-control[aria-invalid="true"] {
  border-color: #b3261e;
}

.form-error {
  font-size: 0.75rem;
  color: #b3261e;
  margin-top: 6px;
}

.form-textarea {
  resize: vertical;
}

.form-submit-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.cta-micro-copy {
  font-size: 0.8125rem;
  color: var(--color-muted);
  margin-top: 16px;
  max-width: 420px;
  line-height: 1.5;
}

.cta-privacy-note-form {
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 12px;
  max-width: 460px;
  line-height: 1.5;
}

.cta-privacy-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.form-feedback {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: 4px;
  font-size: 0.875rem;
  display: none;
}

.form-feedback:focus {
  outline: none;
}

.form-feedback.success {
  display: block;
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-feedback.error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* --------------------------------------------------------------------------
   12. FOOTER SECTION
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark-bg);
  color: var(--color-white);
  border-top: 1px solid var(--color-dark-border);
}

.footer-main {
  padding: 80px 24px 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 60px;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.footer-brand-desc {
  font-size: 0.9375rem;
  color: var(--color-on-dark-muted);
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 10px;
}

.footer-brand-sub {
  font-size: 0.8125rem;
  color: rgba(159, 181, 199, 0.65);
  line-height: 1.6;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 24px;
}

.footer-links-list li {
  margin-bottom: 12px;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--color-on-dark-muted);
  transition: color var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--color-white);
}

.footer-contact-list {
  margin-bottom: 20px;
}

.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.9375rem;
  color: var(--color-on-dark-muted);
  font-variant-numeric: tabular-nums;
}

.contact-icon {
  color: var(--color-accent-light);
  font-size: 0.5rem;
}

.contact-link {
  color: var(--color-on-dark-muted);
}

.contact-link:hover {
  color: var(--color-white);
}

.footer-cta-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-accent-light);
  transition: color var(--transition-fast), transform var(--transition-fast);
  margin-bottom: 10px;
}

.footer-cta-link:hover {
  color: var(--color-white);
  transform: translateX(4px);
}

.footer-response-note {
  font-size: 0.75rem;
  color: rgba(159, 181, 199, 0.6);
}

.footer-bottom-bar {
  background-color: var(--color-footer-bar);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 22px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.copyright-text {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-on-dark-muted);
}

.footer-legal-links {
  display: flex;
  gap: 20px;
}

.footer-legal-links a {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-on-dark-muted);
}

.footer-legal-links a:hover {
  color: var(--color-white);
}

/* --------------------------------------------------------------------------
   13. LEGAL PAGES (Privacy / Terms)
   -------------------------------------------------------------------------- */
.legal-page {
  background-color: var(--color-white);
  min-height: 100vh;
  padding: 130px 0 100px;
}

.legal-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 32px;
}

.legal-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 12px;
}

.legal-updated {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 48px;
}

.legal-content {
  max-width: 720px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-body);
}

.legal-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 40px 0 16px;
}

.legal-content h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 28px 0 12px;
}

.legal-content p {
  margin-bottom: 18px;
}

.legal-content ul {
  margin: 0 0 18px 20px;
  list-style: disc;
}

.legal-content li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.legal-content strong {
  color: var(--color-heading);
  font-weight: 600;
}

.legal-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* --------------------------------------------------------------------------
   14. NOT-FOUND (404) PAGE
   -------------------------------------------------------------------------- */
.notfound-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-dark-bg);
  color: var(--color-white);
  text-align: center;
  padding: 40px 24px;
}

.notfound-code {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-signal);
  margin-bottom: 18px;
}

.notfound-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.notfound-body {
  font-size: 1rem;
  color: var(--color-on-dark-body);
  max-width: 480px;
  margin: 0 auto 32px;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   15. RESPONSIVE BREAKPOINTS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .steps-rail { gap: 32px; }
  .offer-body { grid-template-columns: 1fr; gap: 28px; }
  .offer-stack { gap: 24px; }
  .case-file-body { grid-template-columns: 1fr; }
  .case-file-summary { border-right: none; border-bottom: 1px solid var(--color-border); }
  .case-row-minor-body { grid-template-columns: 1fr; text-align: left; }
  .case-row-metrics { justify-content: flex-start; }
  .findings-layout { grid-template-columns: 1fr; }
  .methodology-grid { grid-template-columns: 1fr; }
  .cta-split { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-col-brand { grid-column: span 2; }
  .hero-artifact { justify-content: center; }
  .artifact-card { transform: none; }
}

@media (max-width: 768px) {
  :root { --section-padding-standard: 72px 0; --section-padding-major: 88px 0; }
  .main-navigation, .btn-header-cta { display: none; }
  .mobile-menu-toggle { display: flex; }
  .steps-rail { grid-template-columns: 1fr; gap: 28px; }
  .steps-rail::before { top: 0; bottom: 0; left: 20px; right: auto; width: 1px; height: auto; }
  .offer-stack { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: span 1; }
  .contact-form-wrapper { padding: 32px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-col-brand { grid-column: span 1; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .hero-section { min-height: auto; padding-top: 120px; }
  .hero-scope-list { flex-direction: column; align-items: center; gap: 8px; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: clamp(2.25rem, 9vw, 2.75rem); }
  .btn-hero, .btn-submit { max-width: 100%; }
  .artifact-card { width: 100%; }
}