/* ==========================================================================
   CA Registration Help — Design System
   System font stack (no remote font requests), restrained fintech-style UI.
   ========================================================================== */

:root {
  /* Brand — deep emerald, deliberately distinct from DMV blue */
  --color-brand: #0b6e4f;
  --color-brand-dark: #085a41;
  --color-brand-soft: #e3f3ec;
  --color-on-brand: #ffffff;

  --color-ink: #12181f;
  --color-ink-muted: #55606b;
  --color-ink-faint: #7c8792;

  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-alt: #f4f6f5;
  --color-border: #e2e6e4;
  --color-border-strong: #cbd2ce;

  --color-warn-bg: #fbf6e9;
  --color-warn-border: #ecdfb6;
  --color-warn-ink: #6b5a1f;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(18, 24, 31, 0.06);
  --shadow-md: 0 8px 24px rgba(18, 24, 31, 0.08);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --container-max: 1120px;
  --container-narrow: 760px;
}

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.01em;
}

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--color-brand);
  color: var(--color-on-brand);
  padding: var(--space-3) var(--space-5);
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------------------------------------------------------------------- */
/* Layout                                                                  */
/* ---------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container-narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-8);
}

.section-tight {
  padding-block: var(--space-7);
}

@media (max-width: 640px) {
  .section {
    padding-block: var(--space-7);
  }
  .section-tight {
    padding-block: var(--space-6);
  }
}

.section-alt {
  background: var(--color-surface-alt);
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-6);
}

.section-header.center {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin-bottom: var(--space-2);
}

h1 {
  font-size: clamp(2rem, 1.5rem + 2.2vw, 3.1rem);
}

h2 {
  font-size: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
}

h3 {
  font-size: 1.2rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--color-ink-muted);
}

p {
  color: var(--color-ink-muted);
}

.prose p,
.prose li {
  color: var(--color-ink-muted);
  margin-bottom: var(--space-4);
}

.prose {
  counter-reset: section-counter;
}

.prose h2 {
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
  color: var(--color-ink);
}

/* Numbers only headings with an id (the linkable sections tracked in the
   table of contents) — keeps heading numbers automatically in sync with
   the TOC's own numbered list without duplicating numbers in content. */
.prose h2[id]::before {
  counter-increment: section-counter;
  content: counter(section-counter) ". ";
  color: var(--color-brand);
}

.prose h3 {
  margin-top: var(--space-5);
  margin-bottom: var(--space-2);
  color: var(--color-ink);
}

.prose ul {
  list-style: disc;
  padding-left: 1.3em;
  margin-bottom: var(--space-4);
}

.prose a {
  color: var(--color-brand-dark);
  text-decoration-color: var(--color-border-strong);
}

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

/* ---------------------------------------------------------------------- */
/* Header / Nav                                                           */
/* ---------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: var(--space-3);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--color-ink);
  white-space: nowrap;
}

.primary-nav {
  display: none;
}

.primary-nav ul {
  display: flex;
  gap: var(--space-6);
}

.primary-nav a {
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink-muted);
}

.primary-nav a:hover {
  color: var(--color-ink);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-ink-muted);
  cursor: pointer;
  list-style: none;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown summary:hover {
  color: var(--color-ink);
}

.nav-dropdown[open] summary .accordion-chevron {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.primary-nav .nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 14px);
  left: 0;
  min-width: 300px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: var(--space-2);
  z-index: 200;
}

.primary-nav .nav-dropdown-menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  color: var(--color-ink);
}

.primary-nav .nav-dropdown-menu a:hover {
  background: var(--color-surface-alt);
}

.mobile-nav .nav-dropdown summary {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
  color: var(--color-ink);
}

.mobile-nav .nav-dropdown-menu a {
  display: block;
  padding: var(--space-2) 0 var(--space-2) var(--space-4);
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--color-ink-muted);
  border-bottom: 1px solid var(--color-border);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

.mobile-nav {
  display: none;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  padding: var(--space-3) var(--space-5) var(--space-5);
}

.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  text-decoration: none;
  font-weight: 500;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-border);
}

@media (min-width: 900px) {
  .primary-nav {
    display: block;
  }
  .nav-toggle {
    display: none;
  }
  .mobile-nav {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .site-header .container {
    padding-inline: var(--space-4);
    gap: var(--space-2);
  }
  .brand span {
    font-size: 0.9rem;
  }
  .header-actions {
    gap: var(--space-2);
  }
  .header-actions .btn-primary {
    padding: 0.6rem 0.85rem;
    font-size: 0.82rem;
    min-height: 40px;
  }
  .header-actions .btn-stacked {
    padding-top: 0.4rem;
    padding-bottom: 0.4rem;
  }
  .nav-toggle {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
  }
}

/* ---------------------------------------------------------------------- */
/* Buttons                                                                 */
/* ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.08s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  min-height: 48px;
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-brand);
  color: var(--color-on-brand);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-brand-dark);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover {
  border-color: var(--color-ink-faint);
}

.btn-ghost {
  background: transparent;
  color: var(--color-brand-dark);
  padding-inline: 0.25rem;
  min-height: auto;
}

.btn-block {
  width: 100%;
}

.btn[disabled],
.btn-disabled {
  background: var(--color-surface-alt);
  color: var(--color-ink-faint);
  border-color: var(--color-border);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

.btn-stacked {
  flex-direction: column;
  gap: 0;
  line-height: 1.15;
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
}

.btn-stacked .btn-line2 {
  margin-top: 1px;
}

.micro {
  font-size: 0.85rem;
  color: var(--color-ink-faint);
  margin-top: var(--space-3);
}

/* ---------------------------------------------------------------------- */
/* Hero                                                                    */
/* ---------------------------------------------------------------------- */
.hero {
  padding-block: var(--space-8) var(--space-7);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  align-items: center;
}

.hero-copy h1 {
  margin-bottom: var(--space-4);
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.hero-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

@media (min-width: 900px) {
  .hero .container {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

/* ---------------------------------------------------------------------- */
/* Cards / Grids                                                          */
/* ---------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-5);
}

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

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

.grid-5 {
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-5 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
  margin-bottom: var(--space-4);
}

.card h3 {
  margin-bottom: var(--space-2);
}

.card p {
  font-size: 0.95rem;
  margin: 0;
}

.situation-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .situation-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.situation-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 500;
}

.situation-item svg {
  flex-shrink: 0;
  margin-top: 1px;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  counter-reset: step;
}

@media (min-width: 780px) {
  .steps {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step {
  position: relative;
  padding-top: var(--space-6);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-brand);
  color: var(--color-on-brand);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.step h3 {
  margin-bottom: var(--space-2);
  font-size: 1.05rem;
}

.step p {
  font-size: 0.95rem;
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* Callout / official source                                              */
/* ---------------------------------------------------------------------- */
.callout {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-brand-soft);
  border: 1px solid #cbe6da;
}

.callout-icon {
  flex-shrink: 0;
  color: var(--color-brand-dark);
}

.callout h4 {
  margin-bottom: var(--space-1);
  font-size: 1rem;
}

.callout p {
  font-size: 0.92rem;
  margin: 0;
}

.callout ul {
  margin-top: var(--space-2);
}

.callout li {
  font-size: 0.92rem;
  margin-bottom: var(--space-1);
}

.callout a {
  color: var(--color-brand-dark);
}

.note-box {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: var(--color-warn-bg);
  border: 1px solid var(--color-warn-border);
  color: var(--color-warn-ink);
  font-size: 0.92rem;
  margin-block: var(--space-5);
}

/* ---------------------------------------------------------------------- */
/* FAQ Accordion                                                          */
/* ---------------------------------------------------------------------- */
.faq-list {
  border-top: 1px solid var(--color-border);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  background: none;
  border: none;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  color: var(--color-ink);
}

.accordion-chevron {
  flex-shrink: 0;
  transition: transform 0.15s ease;
  color: var(--color-ink-faint);
}

.faq-question[aria-expanded="true"] .accordion-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.2s ease;
}

.faq-item.is-open .faq-answer {
  max-height: 480px;
}

.faq-answer-inner {
  padding-bottom: var(--space-5);
  color: var(--color-ink-muted);
  max-width: 68ch;
}

/* ---------------------------------------------------------------------- */
/* Breadcrumbs / TOC                                                      */
/* ---------------------------------------------------------------------- */
.breadcrumbs {
  padding-block: var(--space-4);
  font-size: 0.85rem;
  color: var(--color-ink-faint);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-2);
  color: var(--color-border-strong);
}

.breadcrumbs a {
  text-decoration: none;
  color: var(--color-ink-faint);
}

.breadcrumbs a:hover {
  color: var(--color-brand-dark);
}

.toc {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-block: var(--space-5);
}

.toc h2 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-2);
}

.toc ol {
  list-style: decimal;
  padding-left: 1.2em;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.toc a {
  text-decoration: none;
  color: var(--color-brand-dark);
  font-size: 0.95rem;
}

/* ---------------------------------------------------------------------- */
/* Related guides                                                          */
/* ---------------------------------------------------------------------- */
.related-guides {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .related-guides {
    grid-template-columns: repeat(2, 1fr);
  }
}

.related-card {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-ink);
  transition: border-color 0.15s ease;
}

.related-card:hover {
  border-color: var(--color-brand);
}

.related-card h3 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
  color: var(--color-brand-dark);
}

.related-card p {
  font-size: 0.9rem;
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* CTA band                                                                */
/* ---------------------------------------------------------------------- */
.cta-band {
  background: var(--color-ink);
  color: var(--color-on-brand);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  text-align: center;
}

.cta-band h2 {
  color: var(--color-on-brand);
  margin-bottom: var(--space-3);
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.inline-cta {
  text-align: center;
  padding-block: var(--space-6);
}

/* ---------------------------------------------------------------------- */
/* Forms / embed                                                          */
/* ---------------------------------------------------------------------- */
.embed-wrap {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface-alt);
  min-height: 640px;
}

.embed-wrap iframe {
  width: 100%;
  height: 100%;
  min-height: 640px;
  border: 0;
  display: block;
}

.embed-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 400px;
  padding: var(--space-6);
  text-align: center;
  color: var(--color-ink-faint);
}

/* ---------------------------------------------------------------------- */
/* Simple content pages (contact/pricing panels)                          */
/* ---------------------------------------------------------------------- */
.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.definition-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
}

.definition-row:last-child {
  border-bottom: none;
}

.definition-row dt {
  color: var(--color-ink-muted);
}

.definition-row dd {
  font-weight: 600;
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                  */
/* ---------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-7);
  background: var(--color-surface-alt);
}

.footer-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.footer-brand p {
  font-size: 0.9rem;
  max-width: 32ch;
  margin-top: var(--space-2);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
}

.footer-links a {
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-ink-muted);
}

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

.footer-disclosure {
  font-size: 0.82rem;
  color: var(--color-ink-faint);
  padding-top: var(--space-6);
  margin-top: var(--space-6);
  border-top: 1px solid var(--color-border-strong);
}

.footer-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: 0.82rem;
  color: var(--color-ink-faint);
  margin-top: var(--space-4);
}

@media (min-width: 900px) {
  .footer-grid {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: var(--space-4);
  padding-block: var(--space-8);
}