/* ========================================
   The 12-Factor Process — V4 Swiss Precision
   ======================================== */

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: #0C0C0C;
  color: var(--gray-250);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 300;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ========================================
   CUSTOM PROPERTIES
   ======================================== */
:root {
  --red: #FF3333;
  --white: #FFFFFF;
  --gray-100: #F0F0F0;
  --gray-200: #CCCCCC;
  --gray-300: #999999;
  --gray-400: #666666;
  --gray-500: #444444;
  --gray-600: #333333;
  --gray-700: #222222;
  --gray-800: #1A1A1A;
  --gray-900: #111111;
  --bg: #0C0C0C;
  --font-display: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', 'Courier New', monospace;
  --left-margin: 8vw;
  --container-max: 1400px;
  --gray-250: #B3B3B3;
  --section-gap: 10rem;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.15;
  font-weight: 800;
}

h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  letter-spacing: -0.025em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

h4 {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-500);
  margin: 44px 0 18px;
}

p {
  color: var(--gray-250);
}

a {
  color: inherit;
  text-decoration: none;
}

strong {
  font-weight: 600;
  color: var(--white);
}

::selection {
  background: var(--red);
  color: var(--white);
}

/* ========================================
   LAYOUT
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--left-margin);
  padding-right: 6vw;
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding-left: 6vw;
  padding-right: 6vw;
}

/* When nested, strip padding — parent already provides it */
.container .container-narrow,
.container-center .container-narrow {
  padding-left: 0;
  padding-right: 0;
}

/* Reset text-align when nested inside centered container */
.container-center .container-narrow {
  text-align: left;
}

section {
  padding: var(--section-gap) 0;
}

/* ========================================
   NAVIGATION
   ======================================== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}

nav.scrolled {
  background: rgba(12, 12, 12, 0.95);
  border-bottom-color: var(--gray-800);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.25rem var(--left-margin);
  padding-right: 6vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--white);
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.logo span {
  color: var(--red);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--gray-400);
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-links a.active {
  color: var(--white);
}

.nav-links a.active::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 5px;
  background: var(--red);
  border-radius: 50%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

/* ========================================
   HERO
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
}

.hero-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  margin-bottom: 2rem;
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.hero h1 span {
  color: var(--red);
}

.hero-sub {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.8vw, 1.375rem);
  font-weight: 300;
  color: var(--gray-300);
  max-width: 520px;
  line-height: 1.6;
  margin-bottom: 3rem;
}

/* Inner page hero — shorter */
.hero-page {
  min-height: auto;
  padding: 12rem 0 6rem;
}

.hero-page h1 {
  max-width: 800px;
}

.hero-page .hero-sub {
  max-width: 600px;
}

/* Centered container variant for hero and key sections */
.container-center {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 6vw;
  padding-right: 6vw;
  text-align: center;
}

.container-center h1,
.container-center h2,
.container-center .hero-sub {
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   TEXT LINK CTA
   ======================================== */
.text-link {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  letter-spacing: 0.01em;
  transition: color 0.3s ease;
}

.text-link:hover {
  color: var(--red);
}

/* ========================================
   ONE-LINER
   ======================================== */
.one-liner {
  padding: 4rem 0 var(--section-gap);
  border-top: 1px solid var(--gray-800);
}

.one-liner p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 300;
  color: var(--gray-200);
  line-height: 1.7;
  max-width: 760px;
}

.one-liner strong {
  font-weight: 600;
  color: var(--white);
}

/* ========================================
   SECTION LABEL
   ======================================== */
.section-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gray-500);
  margin-bottom: 4rem;
}

/* ========================================
   SOCIAL PROOF / QUOTES
   ======================================== */
.quote-item {
  margin-bottom: 5rem;
  position: relative;
  padding-left: 3.5rem;
}

.quote-item::before {
  content: '\201C';
  position: absolute;
  left: 0;
  top: -0.5rem;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
}

.quote-item blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  font-weight: 300;
  color: var(--gray-200);
  line-height: 1.7;
  margin-bottom: 1rem;
  max-width: 680px;
}

.quote-item cite {
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.quote-item cite strong {
  color: var(--gray-300);
  font-weight: 500;
}

.section-link {
  margin-top: 4rem;
  padding-top: 2rem;
}

.section-link a {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
  transition: color 0.3s ease;
}

.section-link a:hover {
  color: var(--red);
}

/* ========================================
   12 FACTORS — TABLE LIST
   ======================================== */
.factors-section {
  border-top: 1px solid var(--gray-800);
}

.factors-header {
  margin-bottom: 4rem;
}

.factors-header h2 {
  margin-bottom: 1rem;
}

.factors-header p {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--gray-400);
  max-width: 480px;
}

.factors-list {
  list-style: none;
  border-top: 1px solid var(--gray-800);
}

.factor-row {
  display: grid;
  grid-template-columns: 3.5rem 1.2fr 2fr;
  gap: 2.5rem;
  align-items: baseline;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--gray-800);
  transition: opacity 0.3s ease;
}

.factor-row:hover {
  opacity: 1;
}

.factor-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--red);
  text-align: right;
  padding-right: 0.5rem;
}

.factor-name {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.factor-desc {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--gray-400);
  line-height: 1.6;
}

/* ========================================
   STATS
   ======================================== */
.stats-section {
  border-top: 1px solid var(--gray-800);
}

.stats-header {
  margin-bottom: 4rem;
}

.stats-list {
  list-style: none;
  margin-bottom: 3rem;
}

.stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: baseline;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--gray-800);
}

.stat-row:first-child {
  border-top: 1px solid var(--gray-800);
}

.stat-label {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--gray-400);
  order: 1;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  text-align: right;
  letter-spacing: -0.04em;
  order: 2;
}

.stats-footnote {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--gray-500);
  font-style: italic;
  margin-bottom: 2rem;
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
  border-top: 1px solid var(--gray-800);
}

.cta-section h2 {
  margin-bottom: 3rem;
  max-width: 580px;
}

.cta-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cta-links a {
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--white);
  transition: color 0.3s ease;
}

.cta-links a:hover {
  color: var(--red);
}

/* CTA subtitle for inner pages */
.cta-sub {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--gray-400);
  max-width: 600px;
  margin-bottom: 2rem;
}

/* ========================================
   FOOTER
   ======================================== */
footer {
  padding: var(--section-gap) 0 4rem;
  border-top: 1px solid var(--gray-800);
}

.footer-tagline {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--gray-500);
  margin-bottom: 2rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--gray-500);
  transition: color 0.3s ease;
}

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

.footer-copy {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--gray-600);
}

/* ========================================
   ANIMATIONS — OPACITY ONLY
   ======================================== */
.fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
}

/* Stagger children */
.fade-in-stagger > * {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.fade-in-stagger.visible > * {
  opacity: 1;
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.08s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.08s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.16s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.24s; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 0.32s; }
.fade-in-stagger.visible > *:nth-child(7) { transition-delay: 0.40s; }
.fade-in-stagger.visible > *:nth-child(8) { transition-delay: 0.48s; }
.fade-in-stagger.visible > *:nth-child(9) { transition-delay: 0.56s; }
.fade-in-stagger.visible > *:nth-child(10) { transition-delay: 0.64s; }
.fade-in-stagger.visible > *:nth-child(11) { transition-delay: 0.72s; }
.fade-in-stagger.visible > *:nth-child(12) { transition-delay: 0.80s; }

/* ========================================
   TABLES
   ======================================== */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

th, td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--gray-800);
}

th {
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
}

td {
  font-size: 0.9375rem;
  color: var(--gray-300);
}

tbody tr {
  transition: background 0.2s;
}

tbody tr:hover {
  background: var(--gray-900);
}

/* ========================================
   ASSUMPTION CARDS
   ======================================== */
.assumptions-section h2 {
  margin-bottom: 5rem;
}

.assumptions-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.assumption-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: start;
  padding: 3rem 0;
  border-top: 1px solid var(--gray-800);
  transition: background 0.4s ease;
}

.assumption-card:last-child {
  border-bottom: 1px solid var(--gray-800);
}

.assumption-num {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--gray-800);
  line-height: 1;
  letter-spacing: -0.04em;
  transition: color 0.4s ease;
  -webkit-text-stroke: 1px var(--gray-700);
}

.assumption-card:hover .assumption-num {
  color: var(--red);
  -webkit-text-stroke: 0;
}

.assumption-content {
  padding-top: 0.5rem;
}

.assumption-old {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.5;
  margin-bottom: 0.75rem;
  text-decoration: line-through;
  text-decoration-color: var(--gray-600);
}

.assumption-new {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.assumption-kicker {
  margin-top: 5rem;
  padding: 3rem 0;
  border-top: 1px solid var(--gray-800);
}

.assumption-kicker p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.2vw, 1.75rem);
  font-weight: 300;
  color: var(--gray-300);
  line-height: 1.6;
}

.assumption-kicker strong {
  color: var(--white);
  font-weight: 700;
}

/* ========================================
   COMPARISON ROWS
   ======================================== */
.comparison-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  border-bottom: 1px solid var(--gray-800);
}

.comparison-row:first-child {
  border-top: 1px solid var(--gray-800);
}

.comparison-row .col-header {
  padding: 12px 20px;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-500);
  background: var(--gray-900);
  border-bottom: 1px solid var(--gray-800);
}

.comparison-row .col-header:first-child {
  border-right: 1px solid var(--gray-800);
}

.comparison-row .cell {
  padding: 14px 20px;
  font-size: 0.9375rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.comparison-row .cell:first-child {
  border-right: 1px solid var(--gray-800);
}

.comparison-row .cell .highlight {
  color: var(--white);
  font-weight: 600;
}

/* ========================================
   PROCESS STEPS
   ======================================== */
.process-step {
  display: grid;
  grid-template-columns: 48px 160px 1fr 100px;
  gap: 2rem;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-800);
  align-items: center;
}

.process-step:last-child {
  border-bottom: none;
}

.process-step .step-num {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--red);
}

.process-step .role {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--white);
}

.process-step .activity {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.process-step .time {
  font-size: 0.8125rem;
  color: var(--gray-500);
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.process-step.total {
  border-top: 1px solid var(--gray-800);
  border-bottom: none;
  margin-top: 8px;
  padding-top: 16px;
}

.process-step.total .activity {
  color: var(--white);
  font-weight: 700;
}

/* ========================================
   FACTOR DETAILS (the-process.html)
   ======================================== */
.factor-detail {
  padding: 72px 0;
  border-bottom: 1px solid var(--gray-800);
}

.factor-detail:last-child {
  border-bottom: none;
}

.factor-detail .factor-header {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
}

.factor-detail .factor-num {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 800;
  color: var(--red);
  line-height: 1;
  letter-spacing: -0.04em;
}

.factor-detail h3 {
  font-size: 1.75rem;
  margin: 0;
  letter-spacing: -0.02em;
}

.factor-detail .one-liner {
  border-left: 3px solid var(--red);
  padding: 20px 24px;
  margin-bottom: 36px;
}

.factor-detail .one-liner p {
  margin: 0;
  color: var(--gray-300);
  font-style: italic;
}

.factor-detail .litmus-test {
  border: 1px solid var(--gray-800);
  padding: 28px;
  margin: 24px 0;
}

.factor-detail .litmus-test p {
  margin: 0;
  color: var(--gray-200);
}

.factor-detail ul {
  list-style: none;
  padding: 0;
}

.factor-detail li {
  padding: 10px 0 10px 24px;
  position: relative;
  color: var(--gray-300);
  font-size: 0.9375rem;
}

.factor-detail li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  background: var(--red);
}

/* ========================================
   PROCESS SIDEBAR
   ======================================== */
.process-layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 72px;
}

.process-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.process-sidebar ul {
  list-style: none;
}

.process-sidebar li {
  margin-bottom: 2px;
}

.process-sidebar a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  font-size: 0.8125rem;
  color: var(--gray-500);
  transition: color 0.25s ease;
}

.process-sidebar a:hover,
.process-sidebar a.active {
  color: var(--white);
}

.process-sidebar .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
  min-width: 20px;
}

/* ========================================
   SCORECARD
   ======================================== */
.scorecard {
  border: 1px solid var(--gray-800);
  padding: 36px;
  margin: 32px 0;
}

.scorecard-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-800);
}

.scorecard-item:last-child {
  border-bottom: none;
}

.scorecard-item .factor-name {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9375rem;
}

.scorecard-item .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--red);
  min-width: 24px;
}

.scorecard-item .options {
  display: flex;
  gap: 20px;
}

.scorecard-item label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.8125rem;
  color: var(--gray-500);
  transition: color 0.2s;
}

.scorecard-item label:hover {
  color: var(--gray-300);
}

.scorecard-item input[type="radio"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--gray-700);
  cursor: pointer;
  transition: all 0.25s ease;
}

.scorecard-item input[type="radio"]:checked {
  border-color: var(--red);
  background: var(--red);
}

.score-result {
  padding: 48px;
  margin-top: 32px;
  border: 1px solid var(--gray-800);
}

.score-result .score {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 900;
  color: var(--red);
  line-height: 1;
  letter-spacing: -0.04em;
}

.score-result .label {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: 8px;
}

.score-result .level {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  margin-top: 20px;
  letter-spacing: -0.02em;
}

/* ========================================
   POD VISUAL (the-team.html)
   ======================================== */
.pod-visual {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  margin: 4rem 0;
  flex-wrap: wrap;
}

.pod-member {
  text-align: center;
}

.pod-member .avatar {
  width: 100px;
  height: 100px;
  border: 1px solid var(--gray-800);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin-bottom: 14px;
  transition: border-color 0.3s ease;
}

.pod-member:hover .avatar {
  border-color: var(--gray-600);
}

.pod-member .role {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--white);
}

.pod-member .count {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.pod-member.pod-total .avatar {
  border-color: var(--red);
}

.pod-member.pod-total .role {
  color: var(--red);
}

.pod-connector {
  font-size: 1.5rem;
  color: var(--gray-600);
  font-weight: 300;
}

/* ========================================
   CONTENT BLOCKS
   ======================================== */
.content-block {
  border: 1px solid var(--gray-800);
  padding: 36px;
  margin-bottom: 24px;
}

.content-block h3 {
  margin-bottom: 16px;
}

.content-block p {
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ========================================
   CHECK LIST
   ======================================== */
.check-list {
  list-style: none;
  padding: 0;
}

.check-list li {
  padding: 0.75rem 0 0.75rem 1.75rem;
  position: relative;
  color: var(--gray-300);
  font-size: 0.9375rem;
}

.check-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 6px;
  height: 6px;
  background: var(--red);
}

/* ========================================
   CALLOUT
   ======================================== */
.callout {
  border: 1px solid var(--gray-800);
  padding: 28px 36px;
  margin: 32px 0;
}

.callout p {
  color: var(--gray-200);
  font-size: 1rem;
  margin: 0;
}

.callout.warning {
  border-color: var(--gray-700);
}

/* ========================================
   GRID UTILITIES
   ======================================== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ========================================
   TEXT UTILITIES
   ======================================== */
.text-red {
  color: var(--red);
}

.text-muted {
  color: var(--gray-500);
}

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

.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* ========================================
   RESPONSIVE — 1024px
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --left-margin: 4vw;
    --section-gap: 7rem;
  }

  .nav-inner {
    padding-left: 4vw;
  }

  .container,
  .container-center {
    padding-right: 6vw;
  }

  .container-center {
    padding-left: 4vw;
  }

  .container-narrow {
    padding-left: 4vw;
    padding-right: 4vw;
  }

  .factor-row {
    grid-template-columns: 2.5rem 1fr 2fr;
    gap: 1.25rem;
  }

  .stat-number {
    font-size: clamp(3rem, 5vw, 4.5rem);
  }

  .process-layout {
    grid-template-columns: 1fr;
  }

  .process-sidebar {
    display: none;
  }

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

  .process-step {
    grid-template-columns: 40px 1fr;
    gap: 8px;
  }

  .process-step .role,
  .process-step .activity,
  .process-step .time {
    grid-column: 2;
  }

  .process-step .time {
    text-align: left;
  }
}

/* ========================================
   RESPONSIVE — 640px
   ======================================== */
@media (max-width: 640px) {
  :root {
    --left-margin: 1.5rem;
    --section-gap: 5rem;
  }

  .nav-inner {
    padding: 1rem 1.5rem;
  }

  .container,
  .container-narrow,
  .container-center {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .mobile-menu-btn {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(12, 12, 12, 0.98);
    border-bottom: 1px solid var(--gray-800);
    padding: 1.5rem;
    gap: 1.25rem;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a.active::before {
    left: -0.6rem;
  }

  .hero {
    min-height: auto;
    padding-top: 8rem;
    padding-bottom: 4rem;
  }

  .hero h1 {
    font-size: clamp(2.4rem, 10vw, 3.2rem);
  }

  .hero-page {
    padding: 8rem 0 4rem;
  }

  .quote-item {
    padding-left: 2.5rem;
  }

  .quote-item::before {
    font-size: 3.5rem;
  }

  .factor-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1.25rem 0;
  }

  .factor-num {
    text-align: left;
    padding-right: 0;
    font-size: 0.75rem;
  }

  .factor-name {
    white-space: normal;
  }

  .factor-desc {
    font-size: 0.8125rem;
  }

  .stat-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1.25rem 0;
  }

  .stat-label {
    order: 2;
    font-size: 0.8125rem;
  }

  .stat-number {
    order: 1;
    text-align: left;
    font-size: clamp(3rem, 12vw, 4rem);
  }

  .footer-links {
    flex-direction: column;
    gap: 0.75rem;
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .assumption-card {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 2rem 0;
  }

  .assumption-num {
    font-size: 2.5rem;
  }

  .assumption-kicker {
    margin-top: 3rem;
    padding: 2rem 0;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-row .cell:first-child {
    border-right: none;
    border-bottom: 1px solid var(--gray-800);
  }

  .comparison-row .col-header:first-child {
    border-right: none;
  }

  .scorecard-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .pod-visual {
    flex-direction: column;
    align-items: flex-start;
  }

  .content-block {
    padding: 24px;
  }

  .callout {
    padding: 20px 24px;
  }
}