/* ==========================================================================
   0. CSS RESET
   ========================================================================== */

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

table {
  border-collapse: collapse;
}

button {
  font: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

nav ul,
nav ol {
  list-style: none;
}

footer ul,
footer ol {
  list-style: none;
}

/* ==========================================================================
   1. CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================== */

:root {
  /* Colors: Primary */
  --color-primary: #1B2A4A;
  --color-primary-light: #2D4A7A;

  /* Colors: Secondary */
  --color-secondary: #6B7B8D;
  --color-secondary-light: #E8ECF1;
  --color-secondary-pale: #F5F7FA;

  /* Colors: Accent (CTA) */
  --color-accent: #2563EB;
  --color-accent-hover: #1D4ED8;
  --color-accent-active: #1E40AF;
  --color-accent-light: #DBEAFE;

  /* Colors: Background */
  --color-bg-white: #FFFFFF;
  --color-bg-offwhite: #F5F7FA;
  --color-bg-dark: #1B2A4A;

  /* Colors: Text */
  --color-text-heading: #1B2A4A;
  --color-text-body: #374151;
  --color-text-muted: #6B7280;
  --color-text-muted-small: #4B5563;
  --color-text-inverse: #FFFFFF;
  --color-text-link: #2563EB;

  /* Colors: Status (risk levels) */
  --color-risk-high: #DC2626;
  --color-risk-high-bg: #FEE2E2;
  --color-risk-medium: #D97706;
  --color-risk-medium-bg: #FEF3C7;
  --color-risk-clean: #16A34A;
  --color-risk-clean-bg: #DCFCE7;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', "SF Mono", "Fira Code", Menlo, Consolas, monospace;

  /* Font sizes (mobile-first) */
  --text-h1: 2rem;
  --text-h2: 1.625rem;
  --text-h3: 1.25rem;
  --text-h4: 1rem;
  --text-body: 1rem;
  --text-body-lg: 1.125rem;
  --text-caption: 0.8125rem;
  --text-badge: 0.75rem;

  /* Spacing */
  --section-padding-y: 56px;
  --content-padding-x: 20px;
  --card-padding: 24px;
  --card-gap: 16px;
  --max-width: 1200px;

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  /* Shadows */
  --shadow-btn: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-mockup: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-pdf: 0 4px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
}

/* ==========================================================================
   2. BASE STYLES
   ========================================================================== */

h1, h2, h3, h4 {
  color: var(--color-text-heading);
}

h1 {
  font-size: var(--text-h1);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
}

h3 {
  font-size: var(--text-h3);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h4 {
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0;
}

p {
  font-size: var(--text-body);
  line-height: 1.6;
  margin-bottom: 1em;
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  text-decoration: underline;
}

strong, b {
  font-weight: 600;
}

code, pre {
  font-family: var(--font-mono);
  font-size: var(--text-caption);
}

code {
  background-color: var(--color-secondary-pale);
  border: 1px solid var(--color-secondary-light);
  border-radius: var(--radius-sm);
  padding: 2px 6px;
}

/* ==========================================================================
   3. UTILITY CLASSES
   ========================================================================== */

.container {
  max-width: var(--max-width);
  padding-left: var(--content-padding-x);
  padding-right: var(--content-padding-x);
  margin-left: auto;
  margin-right: auto;
}

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

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

.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;
}

.mobile-only {
  display: block;
}

.desktop-only {
  display: none;
}

/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.section--white {
  background-color: var(--color-bg-white);
}

.section--offwhite {
  background-color: var(--color-bg-offwhite);
}

.section--dark {
  background-color: var(--color-bg-dark);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
  color: var(--color-text-inverse);
}

.section--dark p,
.section--dark a:not(.btn) {
  color: var(--color-text-inverse);
}

.section--compact {
  padding-top: calc(var(--section-padding-y) * 0.75);
  padding-bottom: calc(var(--section-padding-y) * 0.75);
}

/* ==========================================================================
   5. COMPONENTS
   ========================================================================== */

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.01em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-btn);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  color: var(--color-text-inverse);
}

.btn--primary:active {
  background-color: var(--color-accent-active);
}

.btn--primary:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--secondary {
  background-color: var(--color-bg-white);
  color: var(--color-accent);
  padding: 14px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent-light);
  color: var(--color-accent);
}

.btn--secondary:active {
  background-color: #BFDBFE;
}

.btn--secondary:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--inverted {
  background-color: var(--color-bg-white);
  color: var(--color-primary);
  padding: 14px 28px;
  border-radius: var(--radius-lg);
}

.btn--inverted:hover {
  background-color: var(--color-secondary-pale);
  color: var(--color-primary);
}

.btn--inverted:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-accent);
  padding: 8px 4px;
  font-weight: 500;
}

.btn--ghost:hover {
  text-decoration: underline;
}

.btn--ghost:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--full {
  width: 100%;
}

.btn--telegram svg {
  flex-shrink: 0;
}

/* ---------- Cards ---------- */

.card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-secondary-light);
  border-radius: var(--radius-lg);
  padding: var(--card-padding);
}

.card__icon {
  width: 24px;
  height: 24px;
  margin-bottom: 8px;
}

.card__title {
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}

.card__body {
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-text-body);
}

.card--muted {
  background-color: var(--color-secondary-pale);
  color: var(--color-text-muted);
}

.card--muted .card__title {
  color: var(--color-secondary);
  font-weight: 500;
}

.card--muted .card__body {
  color: var(--color-text-muted);
  font-weight: 400;
}

.card--accent {
  background-color: var(--color-bg-white);
  border-left: 3px solid var(--color-accent);
}

.card--accent .card__title {
  color: var(--color-text-heading);
  font-weight: 600;
}

.card--accent .card__body {
  color: var(--color-text-body);
}

/* ---------- Card Grids ---------- */

.card-grid {
  display: grid;
  gap: var(--card-gap);
}

.card-grid--2x2 {
  grid-template-columns: 1fr;
}

.card-grid--2x3 {
  grid-template-columns: 1fr;
}

/* ---------- Badges ---------- */

.badge--stat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-secondary-pale);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-secondary-light);
  white-space: nowrap;
}

.badge--risk-high {
  display: inline-block;
  color: var(--color-risk-high);
  background-color: var(--color-risk-high-bg);
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  line-height: 1;
}

.badge--risk-medium {
  display: inline-block;
  color: var(--color-risk-medium);
  background-color: var(--color-risk-medium-bg);
  border: 1px solid #FDE68A;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  line-height: 1;
}

.badge--risk-clean {
  display: inline-block;
  color: var(--color-risk-clean);
  background-color: var(--color-risk-clean-bg);
  border: 1px solid #BBF7D0;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  line-height: 1;
}

/* ---------- Tables ---------- */

.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.table th {
  background-color: var(--color-secondary-light);
  color: var(--color-text-heading);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 12px 16px;
  text-align: left;
}

.table td {
  background-color: var(--color-bg-white);
  color: var(--color-text-body);
  font-size: var(--text-body);
  font-weight: 400;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-secondary-light);
}

.table tr:hover td {
  background-color: #F9FAFB;
}

.table__inline-icon {
  display: inline !important;
  vertical-align: middle;
}

.table__chain-logo {
  display: inline !important;
  vertical-align: middle;
  margin-right: 6px;
}

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

/* ---------- Callout Box ---------- */

.callout {
  background-color: var(--color-accent-light);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-top: 24px;
}

/* ---------- Steps (How It Works) ---------- */

.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}

.step {
  position: relative;
}

.step__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-body);
  font-weight: 700;
  line-height: 1;
  flex-shrink: 0;
}

.step__label {
  font-size: var(--text-h4);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-heading);
  margin-top: 16px;
}

.step__desc {
  font-size: var(--text-body);
  line-height: 1.6;
  color: var(--color-text-body);
  margin-top: 8px;
}

.steps__cta {
  text-align: center;
  margin-top: 48px;
}

/* ---------- Trust Bullets ---------- */

.trust-list {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
}

.trust-bullet {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}

.trust-bullet:last-child {
  margin-bottom: 0;
}

.trust-bullet__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-risk-clean);
  margin-top: 2px;
}

/* ---------- Icons ---------- */

.icon {
  display: inline-block;
  flex-shrink: 0;
  vertical-align: middle;
}

.icon--16 {
  width: 16px;
  height: 16px;
}

.icon--24 {
  width: 24px;
  height: 24px;
}

.icon--navy {
  color: var(--color-primary);
}

.icon--gray {
  color: var(--color-secondary);
}

.icon--accent {
  color: var(--color-accent);
}

.icon--green {
  color: var(--color-risk-clean);
}

/* ---------- Comparison Layout ---------- */

.comparison {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}

.comparison__summary {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-top: 40px;
}

/* ---------- Section Intro ---------- */

.section__intro {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
  color: var(--color-text-muted-small);
}

.section__subheadline {
  font-size: var(--text-body-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  margin-bottom: 40px;
}

.section__footnote {
  font-size: var(--text-caption);
  color: var(--color-text-muted-small);
  text-align: center;
  margin-top: 32px;
}

.cta-narrow {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.cta-narrow p {
  color: rgba(255, 255, 255, 0.85);
  margin-top: 20px;
}

.cta-narrow .btn {
  margin-top: 32px;
}

.cta-narrow .section__footnote {
  color: rgba(255, 255, 255, 0.6);
  margin-top: 16px;
}

/* ---------- Feature Group ---------- */

.feature-group {
  margin-top: 48px;
  margin-bottom: 48px;
}

.feature-group:last-child {
  margin-bottom: 0;
}

.feature-group h3 {
  display: flex;
  align-items: center;
  gap: 12px;
}

.feature-group__content {
  margin-top: 20px;
}

.feature-group ul {
  margin-left: 24px;
  list-style: disc;
  color: var(--color-text-body);
}

.feature-group li {
  margin-bottom: 12px;
  font-size: var(--text-body);
  line-height: 1.6;
}

.feature-group li:last-child {
  margin-bottom: 0;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-secondary-light);
  margin: 48px 0;
}

/* ---------- Report Preview ---------- */

.report-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: start;
}

.report-preview__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pdf);
}

.report-preview__callouts ol {
  counter-reset: report-callout;
  list-style: none;
  padding: 0;
  margin: 0;
}

.report-preview__callouts li {
  counter-increment: report-callout;
  margin-bottom: 16px;
  font-size: var(--text-body);
  line-height: 1.6;
}

.report-preview__callouts li:last-child {
  margin-bottom: 0;
}

.report-preview__callouts li::before {
  content: counter(report-callout) ". ";
  font-weight: 700;
  color: var(--color-text-heading);
}

.report-preview__callouts li:first-child {
  border-left: 3px solid var(--color-accent);
  padding-left: 16px;
}

.report-preview__actions {
  margin-top: 32px;
}

.card__body ul {
  list-style: disc;
  margin-left: 20px;
}

/* ---------- Logo Bar ---------- */

.logo-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.logo-bar span {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* ==========================================================================
   6. NAVIGATION
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-secondary-light);
  z-index: 100;
}

.nav__inner {
  display: flex;
  align-items: center;
  height: 100%;
}

.nav__logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  white-space: nowrap;
  margin-right: auto;
}

.nav__logo:hover {
  text-decoration: none;
  color: var(--color-primary-light);
}

/* Hamburger */
.nav__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  padding: 0;
  z-index: 101;
}

.nav__hamburger:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Hamburger open state */
.nav--open .nav__hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav--open .nav__hamburger span:nth-child(2) {
  opacity: 0;
}

.nav--open .nav__hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav links - mobile: hidden by default */
.nav__links {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background-color: var(--color-bg-white);
  border-bottom: 1px solid var(--color-secondary-light);
  padding: 16px 0;
  flex-direction: column;
}

.nav--open .nav__links {
  display: flex;
}

.nav__link {
  display: block;
  padding: 12px var(--content-padding-x);
  color: var(--color-text-body);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav__link:hover {
  color: var(--color-accent);
  text-decoration: none;
  background-color: var(--color-bg-offwhite);
}

.nav__link--active {
  color: var(--color-accent);
}

.nav__link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

/* Nav CTA - hidden on mobile in nav bar (appears in dropdown) */
.nav__cta {
  display: none;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color var(--transition-fast);
  box-shadow: var(--shadow-btn);
}

.nav__cta-icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
  flex-shrink: 0;
}

.nav__cta:hover {
  background-color: var(--color-accent-hover);
  text-decoration: none;
  color: var(--color-text-inverse);
}

.nav__cta:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Offset main content for fixed nav */
main {
  margin-top: 64px;
}

/* ==========================================================================
   7. SECTION-SPECIFIC STYLES
   ========================================================================== */

/* ---------- Hero ---------- */

.hero {
  padding-top: 80px;
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
}

.hero__eyebrow {
  font-size: var(--text-caption);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.hero__subheadline {
  max-width: 600px;
  font-size: var(--text-body-lg);
  color: var(--color-text-body);
  line-height: 1.6;
}

.hero__badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 32px 0;
}

.hero__actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.hero__actions .btn--primary {
  width: 100%;
}

.hero__visual {
  margin-top: 40px;
  position: relative;
}

.hero__mockup {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-mockup);
}

.hero__pdf-preview {
  max-width: 200px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-mockup);
  margin-top: 16px;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: center;
  }

  .hero__visual {
    margin-top: 0;
  }

  .hero__actions .btn--primary {
    width: auto;
  }
}

/* ---------- Pricing ---------- */

.pricing {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}

.pricing__card {
  padding: 32px;
  text-align: center;
}

.pricing__card--highlighted {
  border-color: var(--color-accent);
  border-width: 2px;
}

.pricing__label {
  display: inline-block;
  font-size: var(--text-caption);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.pricing__price {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-heading);
  line-height: 1.1;
  margin-bottom: 4px;
}

.pricing__limit {
  font-size: var(--text-body);
  color: var(--color-text-muted-small);
  margin-bottom: 24px;
}

.pricing__features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  text-align: left;
}

.pricing__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--text-body);
  line-height: 1.5;
  padding: 6px 0;
}

.pricing__features li svg {
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .pricing {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================================================
   8. FOOTER
   ========================================================================== */

.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  padding: 56px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 40px;
}

.footer__col-title {
  color: var(--color-text-inverse);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
}

.footer__link {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9375rem;
  text-decoration: none;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-text-inverse);
  text-decoration: none;
}

.footer__link:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.footer__disclaimer {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 24px;
  margin-bottom: 24px;
}

.footer__disclaimer p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-caption);
  line-height: 1.6;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 20px;
}

.footer__bottom p {
  color: rgba(255, 255, 255, 0.4);
  font-size: var(--text-caption);
}

/* ==========================================================================
   9. RESPONSIVE: TABLET (min-width: 640px)
   ========================================================================== */

@media (min-width: 640px) {
  :root {
    --content-padding-x: 32px;
    --section-padding-y: 72px;
    --card-padding: 28px;
    --card-gap: 20px;
  }

  /* Card grids: tablet */
  .card-grid--2x2 {
    grid-template-columns: 1fr 1fr;
  }

  .card-grid--2x3 {
    grid-template-columns: 1fr 1fr;
  }

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

/* ==========================================================================
   10. RESPONSIVE: DESKTOP (min-width: 1024px)
   ========================================================================== */

@media (min-width: 1024px) {
  :root {
    --text-h1: 3rem;
    --text-h2: 2.25rem;
    --text-h3: 1.5rem;
    --text-h4: 1.125rem;
    --text-body-lg: 1.25rem;
    --section-padding-y: 96px;
    --card-padding: 32px;
    --card-gap: 24px;
    --content-padding-x: 40px;
  }

  .mobile-only {
    display: none;
  }

  .desktop-only {
    display: block;
  }

  /* Buttons: desktop min-width */
  .btn--primary,
  .btn--secondary,
  .btn--inverted {
    min-width: 200px;
  }

  /* Card grids: desktop */
  .card-grid--2x3 {
    grid-template-columns: 1fr 1fr 1fr;
  }

  /* Comparison: desktop two-column */
  .comparison {
    grid-template-columns: 1fr 1fr;
  }

  /* Steps: desktop three-column with connectors */
  .steps {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .step {
    text-align: center;
  }

  .step__number {
    margin-left: auto;
    margin-right: auto;
  }

  .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 20px;
    left: calc(50% + 28px);
    width: calc(100% - 56px + 32px);
    height: 2px;
    background-color: var(--color-secondary-light);
  }

  /* Report preview: desktop two-column */
  .report-preview {
    grid-template-columns: 5fr 7fr;
  }

  /* Navigation: desktop layout */
  .nav__hamburger {
    display: none;
  }

  .nav__links {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 4px;
    background: none;
    border: none;
    padding: 0;
  }

  .nav__link {
    display: inline-block;
    padding: 8px 12px;
    font-size: 0.8125rem;
    background-color: transparent;
  }

  .nav__link:hover {
    background-color: transparent;
  }

  .nav__cta {
    display: inline-flex;
    margin-left: 16px;
  }

  /* Footer 3-column grid */
  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
  }
}

/* ==========================================================================
   11. LEGAL PAGES
   ========================================================================== */

.legal {
  padding-top: 48px;
  padding-bottom: 80px;
}

.legal h1 {
  margin-bottom: 8px;
}

.legal__updated {
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  margin-bottom: 40px;
}

.legal h2 {
  font-size: var(--text-h3);
  margin-top: 32px;
  margin-bottom: 12px;
}

.legal h3 {
  font-size: var(--text-h4);
  margin-top: 24px;
  margin-bottom: 8px;
}

.legal p {
  margin-bottom: 12px;
}

.legal ul {
  margin: 0 0 16px 24px;
  list-style: disc;
}

.legal li {
  margin-bottom: 6px;
  line-height: 1.6;
}

/* ==========================================================================
   12. ACCESSIBILITY
   ========================================================================== */

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Skip navigation link */
.skip-nav {
  position: fixed;
  top: -100%;
  left: 0;
  z-index: 1000;
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  opacity: 0;
  transition: top var(--transition-fast), opacity var(--transition-fast);
}

.skip-nav:focus {
  top: 0;
  opacity: 1;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}