@import url('./tokens.css');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--vh-font-body);
  font-size: var(--vh-text-base);
  line-height: var(--vh-leading-body);
  color: var(--vh-text-primary);
  background: var(--vh-bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--vh-text-link); text-decoration: none; transition: color var(--vh-transition-fast); }
a:hover { color: var(--vh-text-link-hover); }

h1, h2, h3 {
  font-family: var(--vh-font-heading);
  font-weight: var(--vh-weight-regular);
  line-height: var(--vh-leading-heading);
}
h4, h5, h6 {
  font-family: var(--vh-font-body);
  font-weight: var(--vh-weight-semibold);
  line-height: var(--vh-leading-tight);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
  width: 100%;
  max-width: var(--vh-max-w-site);
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
}

.section {
  padding: var(--vh-space-20) 0;
}

.section--alt {
  background: var(--vh-bg-secondary);
}

.section--dark {
  background: var(--vh-bg-inverse);
  color: var(--vh-text-on-dark);
}

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

/* ============================================
   OVERLINE
   ============================================ */
.overline {
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-semibold);
  letter-spacing: var(--vh-tracking-widest);
  text-transform: uppercase;
  color: var(--vh-accent-400);
  margin-bottom: var(--vh-space-4);
  display: block;
}

.overline--light {
  color: var(--vh-accent-400);
}

.overline--dark {
  color: var(--vh-text-accent);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--vh-z-sticky);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--vh-border-subtle);
  transition: background var(--vh-transition-default);
}

.nav-container {
  max-width: var(--vh-max-w-site);
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--vh-space-3);
  text-decoration: none;
  color: var(--vh-text-primary);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-wordmark {
  font-family: var(--vh-font-heading);
  font-size: var(--vh-text-h5);
  color: var(--vh-primary-900);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--vh-space-6);
  list-style: none;
}

.nav-links a {
  font-size: var(--vh-text-sm);
  font-weight: var(--vh-weight-medium);
  color: var(--vh-text-secondary);
  transition: color var(--vh-transition-fast);
}

.nav-links a:hover {
  color: var(--vh-text-primary);
}

.nav-indicator {
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-accent-700);
  background: var(--vh-accent-50);
  padding: var(--vh-space-1) var(--vh-space-3);
  border-radius: var(--vh-radius-full);
  letter-spacing: var(--vh-tracking-wide);
}

.nav-cta {
  font-size: var(--vh-text-sm);
  font-weight: var(--vh-weight-semibold);
  color: white !important;
  background: var(--vh-accent-600);
  padding: var(--vh-space-2) var(--vh-space-5);
  border-radius: var(--vh-radius-md);
  transition: background var(--vh-transition-fast), box-shadow var(--vh-transition-fast);
}

.nav-cta:hover {
  background: var(--vh-accent-700);
  box-shadow: var(--vh-shadow-accent);
  color: white !important;
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--vh-space-2);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--vh-neutral-700);
  margin: 5px 0;
  transition: transform var(--vh-transition-default);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  background: var(--vh-primary-900);
  color: var(--vh-text-on-dark);
  padding: calc(64px + var(--vh-space-20)) 0 var(--vh-space-20);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 0%, var(--vh-primary-800) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
}

.hero-headline {
  font-size: clamp(2.2rem, 5vw + 0.5rem, var(--vh-text-display));
  line-height: var(--vh-leading-display);
  letter-spacing: var(--vh-tracking-tighter);
  margin-bottom: var(--vh-space-6);
  color: white;
}

.hero-subhero {
  font-size: clamp(1rem, 1.5vw + 0.5rem, var(--vh-text-lg));
  line-height: var(--vh-leading-relaxed);
  color: var(--vh-neutral-300);
  max-width: var(--vh-max-w-prose);
  margin: 0 auto var(--vh-space-8);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--vh-space-2);
  font-size: var(--vh-text-lg);
  font-weight: var(--vh-weight-semibold);
  color: white;
  background: var(--vh-accent-600);
  padding: var(--vh-space-4) var(--vh-space-8);
  border-radius: var(--vh-radius-lg);
  transition: background var(--vh-transition-fast), box-shadow var(--vh-transition-fast), transform var(--vh-transition-fast);
  text-decoration: none;
}

.hero-cta:hover {
  background: var(--vh-accent-500);
  box-shadow: var(--vh-shadow-accent), var(--vh-shadow-lg);
  transform: translateY(-1px);
  color: white;
}

.hero-cta::after {
  content: '\2192';
  transition: transform var(--vh-transition-fast);
}

.hero-cta:hover::after {
  transform: translateX(4px);
}

.hero-price {
  margin-top: var(--vh-space-4);
  font-size: var(--vh-text-sm);
  color: var(--vh-neutral-400);
}

.hero-price strong {
  color: var(--vh-accent-400);
  font-weight: var(--vh-weight-semibold);
}

/* ============================================
   SOCIAL PROOF
   ============================================ */
.social-proof {
  padding: var(--vh-space-12) 0;
  background: var(--vh-primary-950);
  text-align: center;
}

.social-proof-text {
  max-width: var(--vh-max-w-prose);
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
  font-size: var(--vh-text-lg);
  font-style: italic;
  color: var(--vh-neutral-300);
  line-height: var(--vh-leading-relaxed);
}

.social-proof-text strong {
  color: var(--vh-accent-400);
  font-style: normal;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
  padding: var(--vh-space-20) 0;
}

.how-it-works .section-header {
  text-align: center;
  margin-bottom: var(--vh-space-16);
}

.how-it-works .section-header h2 {
  font-size: clamp(1.8rem, 3vw, var(--vh-text-h2));
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-4);
}

.how-it-works .section-header p {
  font-size: var(--vh-text-lg);
  color: var(--vh-text-secondary);
  max-width: var(--vh-max-w-prose);
  margin: 0 auto;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--vh-space-8);
  max-width: var(--vh-max-w-site);
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
}

.step {
  text-align: center;
  padding: var(--vh-space-8) var(--vh-space-6);
  position: relative;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--vh-radius-full);
  background: var(--vh-primary-50);
  color: var(--vh-primary-600);
  font-family: var(--vh-font-mono);
  font-size: var(--vh-text-h5);
  font-weight: var(--vh-weight-bold);
  margin-bottom: var(--vh-space-5);
}

.step-title {
  font-size: var(--vh-text-h4);
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-3);
}

.step-description {
  font-size: var(--vh-text-base);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
}

/* Connector line between steps */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 72px;
  right: -16px;
  width: 32px;
  height: 2px;
  background: var(--vh-border-default);
}

/* ============================================
   METHODOLOGY SUMMARY
   ============================================ */
.methodology-summary {
  padding: var(--vh-space-20) 0;
  background: var(--vh-bg-secondary);
}

.methodology-content {
  max-width: var(--vh-max-w-site);
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--vh-space-12);
  align-items: center;
}

.methodology-text h2 {
  font-size: clamp(1.8rem, 3vw, var(--vh-text-h2));
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-6);
}

.methodology-text p {
  font-size: var(--vh-text-base);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
  margin-bottom: var(--vh-space-4);
}

.methodology-link {
  display: inline-flex;
  align-items: center;
  gap: var(--vh-space-2);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-accent-700);
  margin-top: var(--vh-space-4);
}

.methodology-link:hover {
  color: var(--vh-accent-800);
}

.methodology-link::after {
  content: '\2192';
  transition: transform var(--vh-transition-fast);
}

.methodology-link:hover::after {
  transform: translateX(4px);
}

.source-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--vh-space-3);
  list-style: none;
}

.source-list li {
  display: flex;
  align-items: center;
  gap: var(--vh-space-2);
  font-size: var(--vh-text-sm);
  color: var(--vh-text-secondary);
  padding: var(--vh-space-2) var(--vh-space-3);
  background: white;
  border-radius: var(--vh-radius-md);
  border: 1px solid var(--vh-border-subtle);
}

.source-list li::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--vh-radius-full);
  background: var(--vh-accent-600);
  flex-shrink: 0;
}

/* ============================================
   SAMPLE REPORT PREVIEW
   ============================================ */
.sample-preview {
  padding: var(--vh-space-20) 0;
}

.sample-preview .section-header {
  text-align: center;
  margin-bottom: var(--vh-space-12);
}

.sample-preview .section-header h2 {
  font-size: clamp(1.8rem, 3vw, var(--vh-text-h2));
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-4);
}

.sample-preview .section-header p {
  font-size: var(--vh-text-lg);
  color: var(--vh-text-secondary);
  max-width: var(--vh-max-w-prose);
  margin: 0 auto;
}

.findings-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
}

.finding-card {
  background: white;
  border: 1px solid var(--vh-border-default);
  border-radius: var(--vh-radius-lg);
  padding: var(--vh-space-6);
  margin-bottom: var(--vh-space-6);
  box-shadow: var(--vh-shadow-sm);
}

.finding-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--vh-space-4);
  flex-wrap: wrap;
  gap: var(--vh-space-2);
}

.finding-type {
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-semibold);
  letter-spacing: var(--vh-tracking-wider);
  text-transform: uppercase;
  padding: var(--vh-space-1) var(--vh-space-3);
  border-radius: var(--vh-radius-full);
}

.finding-type--gap {
  color: var(--vh-warning-700);
  background: var(--vh-warning-50);
}

.finding-type--observation {
  color: var(--vh-info-700);
  background: var(--vh-info-50);
}

.finding-type--contradiction {
  color: var(--vh-critical-700);
  background: var(--vh-critical-50);
}

.finding-type--positive {
  color: var(--vh-success-700);
  background: var(--vh-success-50);
}

.finding-severity {
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-medium);
  color: var(--vh-text-tertiary);
}

.finding-title {
  font-size: var(--vh-text-h4);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-3);
}

.finding-body p {
  font-size: var(--vh-text-sm);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
  margin-bottom: var(--vh-space-3);
}

.evidence-chain {
  background: var(--vh-bg-tertiary);
  border-radius: var(--vh-radius-md);
  padding: var(--vh-space-4);
  margin-top: var(--vh-space-3);
  font-family: var(--vh-font-mono);
  font-size: var(--vh-text-xs);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
}

.evidence-chain dt {
  font-weight: var(--vh-weight-medium);
  color: var(--vh-text-primary);
  margin-bottom: var(--vh-space-0-5);
}

.evidence-chain dd {
  margin-bottom: var(--vh-space-2);
  margin-left: 0;
}

.questions-section {
  background: var(--vh-primary-50);
  border: 1px solid var(--vh-primary-100);
  border-radius: var(--vh-radius-lg);
  padding: var(--vh-space-6);
}

.questions-section h3 {
  font-size: var(--vh-text-h5);
  font-family: var(--vh-font-body);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-4);
}

.questions-list {
  list-style: none;
  counter-reset: question;
}

.questions-list li {
  counter-increment: question;
  font-size: var(--vh-text-sm);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
  padding: var(--vh-space-3) 0;
  border-bottom: 1px solid var(--vh-primary-100);
  padding-left: var(--vh-space-8);
  position: relative;
}

.questions-list li::before {
  content: counter(question);
  position: absolute;
  left: 0;
  top: var(--vh-space-3);
  font-family: var(--vh-font-mono);
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-bold);
  color: var(--vh-primary-600);
  background: var(--vh-primary-100);
  width: 24px;
  height: 24px;
  border-radius: var(--vh-radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.questions-list li:last-child {
  border-bottom: none;
}

.sample-disclaimer {
  text-align: center;
  margin-top: var(--vh-space-8);
  font-size: var(--vh-text-xs);
  color: var(--vh-text-tertiary);
  font-style: italic;
}

/* ============================================
   WAITLIST FORM
   ============================================ */
.waitlist-section {
  padding: var(--vh-space-20) 0;
  background: var(--vh-primary-900);
  color: var(--vh-text-on-dark);
}

.waitlist-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
}

.waitlist-header {
  text-align: center;
  margin-bottom: var(--vh-space-10);
}

.waitlist-header h2 {
  font-size: clamp(1.8rem, 3vw, var(--vh-text-h2));
  color: white;
  margin-bottom: var(--vh-space-4);
}

.waitlist-header p {
  font-size: var(--vh-text-lg);
  color: var(--vh-neutral-300);
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--vh-space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--vh-space-2);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--vh-space-5);
}

.form-label {
  font-size: var(--vh-text-sm);
  font-weight: var(--vh-weight-medium);
  color: var(--vh-neutral-200);
}

.form-label .required {
  color: var(--vh-accent-400);
}

.form-input,
.form-select {
  font-family: var(--vh-font-body);
  font-size: var(--vh-text-base);
  color: white;
  background: var(--vh-primary-800);
  border: 1px solid var(--vh-primary-700);
  border-radius: var(--vh-radius-md);
  padding: var(--vh-space-3) var(--vh-space-4);
  transition: border-color var(--vh-transition-fast), box-shadow var(--vh-transition-fast);
  width: 100%;
}

.form-input::placeholder {
  color: var(--vh-neutral-500);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--vh-accent-600);
  box-shadow: var(--vh-shadow-accent);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394A3B8' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background: var(--vh-primary-800);
  color: white;
}

.form-submit {
  font-family: var(--vh-font-body);
  font-size: var(--vh-text-lg);
  font-weight: var(--vh-weight-semibold);
  color: white;
  background: var(--vh-accent-600);
  border: none;
  border-radius: var(--vh-radius-lg);
  padding: var(--vh-space-4) var(--vh-space-8);
  cursor: pointer;
  transition: background var(--vh-transition-fast), box-shadow var(--vh-transition-fast), transform var(--vh-transition-fast);
  margin-top: var(--vh-space-4);
}

.form-submit:hover {
  background: var(--vh-accent-500);
  box-shadow: var(--vh-shadow-accent), var(--vh-shadow-lg);
  transform: translateY(-1px);
}

.form-submit:active {
  transform: translateY(0);
}

.form-success {
  display: none;
  text-align: center;
  padding: var(--vh-space-8);
}

.form-success h3 {
  font-size: var(--vh-text-h3);
  color: var(--vh-accent-400);
  margin-bottom: var(--vh-space-4);
}

.form-success p {
  font-size: var(--vh-text-lg);
  color: var(--vh-neutral-300);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--vh-primary-950);
  color: var(--vh-neutral-400);
  padding: var(--vh-space-12) 0;
}

.footer-container {
  max-width: var(--vh-max-w-site);
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--vh-space-6);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--vh-space-3);
}

.footer-brand svg {
  width: 24px;
  height: 24px;
}

.footer-brand span {
  font-family: var(--vh-font-heading);
  font-size: var(--vh-text-base);
  color: var(--vh-neutral-300);
}

.footer-links {
  display: flex;
  gap: var(--vh-space-6);
  list-style: none;
}

.footer-links a {
  font-size: var(--vh-text-sm);
  color: var(--vh-neutral-400);
  transition: color var(--vh-transition-fast);
}

.footer-links a:hover {
  color: var(--vh-neutral-200);
}

.footer-legal {
  width: 100%;
  text-align: center;
  font-size: var(--vh-text-xs);
  color: var(--vh-neutral-600);
  margin-top: var(--vh-space-8);
  padding-top: var(--vh-space-6);
  border-top: 1px solid var(--vh-neutral-800);
}

/* ============================================
   METHODOLOGY PAGE
   ============================================ */
.methodology-page {
  padding: calc(64px + var(--vh-space-16)) 0 var(--vh-space-20);
}

.methodology-page-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 var(--vh-space-6);
}

.methodology-meta {
  display: flex;
  align-items: center;
  gap: var(--vh-space-4);
  margin-bottom: var(--vh-space-8);
  flex-wrap: wrap;
}

.version-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--vh-space-2);
  font-family: var(--vh-font-mono);
  font-size: var(--vh-text-xs);
  font-weight: var(--vh-weight-medium);
  color: var(--vh-accent-700);
  background: var(--vh-accent-50);
  border: 1px solid var(--vh-accent-200);
  padding: var(--vh-space-1) var(--vh-space-3);
  border-radius: var(--vh-radius-full);
}

.methodology-page h1 {
  font-size: clamp(2rem, 4vw, var(--vh-text-h1));
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-4);
}

.methodology-page .lead {
  font-size: var(--vh-text-lg);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
  margin-bottom: var(--vh-space-10);
  max-width: var(--vh-max-w-prose);
}

/* Table of Contents */
.toc {
  background: var(--vh-bg-secondary);
  border: 1px solid var(--vh-border-default);
  border-radius: var(--vh-radius-lg);
  padding: var(--vh-space-6);
  margin-bottom: var(--vh-space-12);
}

.toc h2 {
  font-size: var(--vh-text-h5);
  font-family: var(--vh-font-body);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-4);
}

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

.toc li {
  counter-increment: toc;
}

.toc li a {
  display: block;
  padding: var(--vh-space-2) 0;
  font-size: var(--vh-text-sm);
  color: var(--vh-text-secondary);
  border-bottom: 1px solid var(--vh-border-subtle);
  transition: color var(--vh-transition-fast);
}

.toc li a::before {
  content: counter(toc) ". ";
  font-family: var(--vh-font-mono);
  font-weight: var(--vh-weight-medium);
  color: var(--vh-primary-600);
}

.toc li a:hover {
  color: var(--vh-primary-600);
}

.toc li:last-child a {
  border-bottom: none;
}

/* Methodology sections */
.methodology-section-content {
  margin-bottom: var(--vh-space-12);
  scroll-margin-top: 80px;
}

.methodology-section-content h2 {
  font-size: clamp(1.6rem, 2.5vw, var(--vh-text-h2));
  color: var(--vh-primary-900);
  margin-bottom: var(--vh-space-6);
  padding-bottom: var(--vh-space-3);
  border-bottom: 2px solid var(--vh-primary-100);
}

.methodology-section-content h3 {
  font-size: var(--vh-text-h3);
  color: var(--vh-primary-800);
  margin-top: var(--vh-space-8);
  margin-bottom: var(--vh-space-4);
}

.methodology-section-content p {
  font-size: var(--vh-text-base);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
  margin-bottom: var(--vh-space-4);
  max-width: var(--vh-max-w-prose);
}

.methodology-section-content ul,
.methodology-section-content ol {
  margin-bottom: var(--vh-space-4);
  padding-left: var(--vh-space-6);
}

.methodology-section-content li {
  font-size: var(--vh-text-base);
  color: var(--vh-text-secondary);
  line-height: var(--vh-leading-relaxed);
  margin-bottom: var(--vh-space-2);
}

/* Data source tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--vh-space-6) 0;
  font-size: var(--vh-text-sm);
}

.data-table thead {
  background: var(--vh-bg-secondary);
}

.data-table th {
  text-align: left;
  padding: var(--vh-space-3) var(--vh-space-4);
  font-weight: var(--vh-weight-semibold);
  color: var(--vh-text-primary);
  border-bottom: 2px solid var(--vh-border-default);
  font-size: var(--vh-text-xs);
  text-transform: uppercase;
  letter-spacing: var(--vh-tracking-wide);
}

.data-table td {
  padding: var(--vh-space-3) var(--vh-space-4);
  border-bottom: 1px solid var(--vh-border-subtle);
  color: var(--vh-text-secondary);
  vertical-align: top;
}

.data-table td:first-child {
  font-weight: var(--vh-weight-medium);
  color: var(--vh-text-primary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: white;
    padding: var(--vh-space-6);
    border-bottom: 1px solid var(--vh-border-default);
    box-shadow: var(--vh-shadow-lg);
    gap: var(--vh-space-4);
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: var(--vh-space-6);
  }

  .step:not(:last-child)::after {
    display: none;
  }

  .methodology-content {
    grid-template-columns: 1fr;
    gap: var(--vh-space-8);
  }

  .source-list {
    grid-template-columns: 1fr;
  }

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

  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }

  .hero {
    padding: calc(64px + var(--vh-space-12)) 0 var(--vh-space-12);
  }

  .hero-cta {
    width: 100%;
    justify-content: center;
  }

  .finding-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
  .nav, .waitlist-section, .footer, .hero-cta, .nav-cta {
    display: none;
  }

  .hero {
    background: white;
    color: var(--vh-text-primary);
    padding-top: var(--vh-space-8);
  }

  .hero-headline { color: var(--vh-primary-900); }
  .hero-subhero { color: var(--vh-text-secondary); }

  body { font-size: 12pt; }

  .methodology-page {
    padding-top: var(--vh-space-8);
  }

  .finding-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
  }
}