/* ==========================================================================
   Child Support Calculator - Modern Legal & Editorial Design System
   Global Stylesheet: assets/css/main.css
   Pairing: Editorial Serif (Newsreader) + Interface Sans (Plus Jakarta Sans)
   Palette: Warm Neutral Foundation with Rich Fiduciary Teal Accents
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens & CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Typography Stacks */
  --font-editorial: 'Newsreader', Georgia, Cambria, 'Times New Roman', Times, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Neutral Foundation */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-subtle: #f1f5f9;
  --color-surface-hover: #e2e8f0;
  
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;
  --color-border-subtle: #f1f5f9;

  --color-text: #0f172a;            /* Slate 900 */
  --color-text-secondary: #334155;  /* Slate 700 */
  --color-text-muted: #64748b;      /* Slate 500 */
  --color-text-inverse: #ffffff;

  /* Fiduciary Teal Accent Palette */
  --color-teal-deep: #082026;       /* Deep Header/Footer Background */
  --color-teal-dark: #0a2e36;       /* Dark Oceanic Slate */
  --color-teal-primary: #0d5c63;    /* Primary Teal Action & Authority */
  --color-teal-hover: #084349;      /* Darker Teal Hover */
  --color-teal-vibrant: #0d9488;    /* Vibrant Teal Accent */
  --color-teal-light: #14b8a6;      /* Bright Cyan/Teal Highlights */
  --color-teal-subtle: #f0fdfa;     /* Soft Teal Tint for Cards & Badges */
  --color-teal-border: #99f6e4;     /* Crisp Teal Border Accent */
  --color-teal-border-hover: #5eead4;

  /* Supporting Functional Accents */
  --color-success: #059669;
  --color-success-subtle: #ecfdf5;
  --color-success-border: #a7f3d0;

  --color-warning: #b45309;
  --color-warning-subtle: #fffbeb;
  --color-warning-border: #fde68a;

  --color-error: #b91c1c;
  --color-error-subtle: #fef2f2;
  --color-error-border: #fecaca;

  /* Elevation & Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.08), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.06), 0 10px 20px -2px rgba(15, 23, 42, 0.03);

  /* Layout & Radii */
  --container-max: 1240px;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   CSS Reset & Accessibility Baseline
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

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

a {
  color: var(--color-teal-primary);
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

a:hover {
  color: var(--color-teal-hover);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

/* Accessible Focus Indicators (WCAG AAA Compliance) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
details summary:focus-visible {
  outline: 2px solid var(--color-teal-light);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* Skip Navigation Link */
.skip-link {
  position: absolute;
  top: -120px;
  left: 20px;
  background: var(--color-teal-deep);
  color: #ffffff;
  padding: 12px 20px;
  z-index: 99999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid var(--color-teal-light);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 20px;
}

/* --------------------------------------------------------------------------
   Typography Hierarchy (Editorial Serif Headings + Sans Body)
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-editorial);
  color: var(--color-teal-deep);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.1rem, 4.5vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.05rem);
  margin-top: 2.25rem;
  margin-bottom: 0.85rem;
  color: var(--color-teal-dark);
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.45rem);
  margin-top: 1.75rem;
  margin-bottom: 0.65rem;
}

h4 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-top: 1.25rem;
  margin-bottom: 0.4rem;
}

p {
  margin-bottom: 1.15rem;
  color: var(--color-text-secondary);
  font-size: 1.02rem;
  line-height: 1.7;
}

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

strong, b {
  color: var(--color-text);
  font-weight: 600;
}

ul, ol {
  padding-left: 1.6rem;
  margin-bottom: 1.25rem;
  color: var(--color-text-secondary);
}

li {
  margin-bottom: 0.45rem;
  line-height: 1.65;
}

li::marker {
  color: var(--color-teal-vibrant);
}

code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  color: var(--color-teal-primary);
}

blockquote {
  margin: 1.75rem 0;
  padding: 1.25rem 1.75rem;
  border-left: 3px solid var(--color-teal-primary);
  background: var(--color-teal-subtle);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-editorial);
  font-size: 1.12rem;
  font-style: italic;
  color: var(--color-teal-dark);
}

blockquote p {
  color: inherit;
  margin: 0;
}

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

@media (max-width: 640px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
}

.page-wrapper {
  flex: 1 0 auto;
}

.content-section {
  padding: 48px 0;
}

@media (min-width: 768px) {
  .content-section {
    padding: 64px 0;
  }
}

.section-header {
  margin-bottom: 36px;
}

.section-header h2 {
  margin-top: 0;
}

.section-header p {
  font-size: 1.08rem;
  color: var(--color-text-muted);
  max-width: 740px;
}

/* --------------------------------------------------------------------------
   Header & Navigation (Renovated Design)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 32, 38, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

@media (max-width: 640px) {
  .header-inner {
    padding: 0 16px;
    height: 64px;
  }
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-family: var(--font-editorial);
  font-size: 1.28rem;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand-logo:hover {
  text-decoration: none;
  color: #ffffff;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0d9488 0%, #14b8a6 100%);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  box-shadow: 0 0 12px rgba(20, 184, 166, 0.35);
}

.site-nav {
  display: none;
  align-items: center;
  gap: 8px;
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
  }
}

.nav-link {
  font-family: var(--font-sans);
  color: #cbd5e1;
  font-size: 0.94rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
}

.nav-link.active {
  color: #ffffff;
  background: rgba(20, 184, 166, 0.2);
  border: 1px solid rgba(20, 184, 166, 0.4);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-change-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background: rgba(20, 184, 166, 0.14);
  border: 1px solid rgba(20, 184, 166, 0.35);
  color: #f0fdfa;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-change-state:hover {
  background: rgba(20, 184, 166, 0.26);
  border-color: rgba(20, 184, 166, 0.6);
  color: #ffffff;
  transform: translateY(-1px);
}

.btn-mobile-menu {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  cursor: pointer;
}

@media (min-width: 900px) {
  .btn-mobile-menu {
    display: none;
  }
}

/* Mobile Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8, 32, 38, 0.98);
  z-index: 999;
  display: none;
  flex-direction: column;
  padding: 24px 16px;
  overflow-y: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-drawer.open {
  display: flex;
}

.mobile-nav-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  color: #f8fafc;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link:active {
  background: rgba(20, 184, 166, 0.18);
  border-color: var(--color-teal-light);
  color: #ffffff;
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Breadcrumbs Component
   -------------------------------------------------------------------------- */
.breadcrumb-nav {
  padding: 16px 0 8px;
}

.breadcrumb-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item a {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.breadcrumb-item a:hover {
  color: var(--color-teal-primary);
}

.breadcrumb-item.current span {
  color: var(--color-teal-primary);
  font-weight: 600;
}

.breadcrumb-separator {
  color: var(--color-border-dark);
  user-select: none;
}

/* --------------------------------------------------------------------------
   Hero Sections
   -------------------------------------------------------------------------- */
.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--color-surface-subtle) 100%);
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0 40px;
}

@media (min-width: 768px) {
  .hero-section {
    padding: 64px 0 56px;
  }
}

.hero-content {
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--color-teal-subtle);
  border: 1px solid var(--color-teal-border);
  border-radius: var(--radius-full);
  color: var(--color-teal-primary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero-badge-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-teal-vibrant);
  box-shadow: 0 0 8px rgba(13, 148, 136, 0.6);
}

.hero-title {
  color: var(--color-teal-deep);
  margin-bottom: 16px;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

.hero-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.hero-meta-item svg {
  color: var(--color-teal-vibrant);
}

.hero-media {
  margin-top: 32px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.hero-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Homepage Hero 2-Column Grid & State Selector */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 48px;
  }
}

.state-selector-card {
  background: var(--color-surface);
  border: 1px solid var(--color-teal-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(13, 92, 99, 0.08);
}

.state-selector-title {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-teal-deep);
  margin-bottom: 12px;
}

.state-select-wrapper {
  position: relative;
  margin-bottom: 14px;
}

.state-dropdown {
  width: 100%;
  height: 50px;
  padding: 12px 42px 12px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-teal-deep);
  background: var(--color-teal-subtle);
  border: 1.5px solid var(--color-teal-border);
  border-radius: var(--radius-sm);
  appearance: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.state-dropdown:focus {
  outline: none;
  border-color: var(--color-teal-vibrant);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
  background: #ffffff;
}

.dropdown-arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-teal-primary);
  font-weight: bold;
}

.popular-states {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.popular-states span {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.popular-states a {
  color: var(--color-teal-primary);
  background: var(--color-surface-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.popular-states a:hover {
  background: var(--color-teal-subtle);
  border-color: var(--color-teal-border);
  color: var(--color-teal-hover);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   State Switcher Modal
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(8, 32, 38, 0.7);
  backdrop-filter: blur(6px);
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active,
.modal-backdrop.open {
  display: flex !important;
}

.modal-window {
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 620px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-surface);
}

.modal-title {
  font-family: var(--font-editorial);
  font-size: 1.4rem;
  margin: 0;
  color: var(--color-teal-deep);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.6rem;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  border-radius: var(--radius-xs);
}

.modal-close:hover {
  color: var(--color-teal-primary);
}

.modal-search {
  padding: 16px 24px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
}

.modal-search-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--color-text);
  background: #ffffff;
  transition: all var(--transition-fast);
}

.modal-search-input:focus {
  outline: none;
  border-color: var(--color-teal-vibrant);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.2);
}

.modal-body {
  padding: 16px 24px;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}

.modal-state-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 500;
  font-size: 0.92rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.modal-state-item:hover {
  background: var(--color-teal-subtle);
  border-color: var(--color-teal-border);
  color: var(--color-teal-primary);
  text-decoration: none;
}

.state-code {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-muted);
  background: var(--color-surface-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
}

/* --------------------------------------------------------------------------
   Calculator UI & Form Controls (Refined)
   -------------------------------------------------------------------------- */
.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

@media (min-width: 1024px) {
  .calc-grid {
    grid-template-columns: 1.65fr 1fr;
    gap: 40px;
  }
}

.calc-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px;
}

@media (max-width: 640px) {
  .calc-card {
    padding: 20px;
  }
}

.calc-card-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.calc-card-header h2 {
  font-size: 1.55rem;
  margin: 0 0 6px;
  color: var(--color-teal-deep);
}

.calc-card-header p {
  font-size: 0.94rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* Form Groups & Controls */
.form-section {
  margin-bottom: 28px;
}

.form-section:last-child {
  margin-bottom: 0;
}

.form-section-title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-teal-primary);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--color-border);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-helper {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

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

.input-with-affix, .input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.input-prefix {
  position: absolute;
  left: 14px;
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 1rem;
  pointer-events: none;
  z-index: 2;
}

.input-suffix {
  position: absolute;
  right: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.88rem;
  pointer-events: none;
  z-index: 2;
}

.form-control {
  width: 100%;
  height: 46px;
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  color: var(--color-text);
  background-color: #ffffff;
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.form-control.has-prefix, .input-wrapper .form-control {
  padding-left: 30px;
}

.form-control.has-suffix {
  padding-right: 56px;
}

.form-control:hover {
  border-color: var(--color-teal-vibrant);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-teal-vibrant);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.18);
}

.form-hint {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 5px;
  line-height: 1.4;
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

/* Segmented Control (Custody Presets) */
.segmented-control {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.segmented-option {
  padding: 8px 14px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.segmented-option:hover {
  border-color: var(--color-teal-border);
  color: var(--color-teal-primary);
  background: var(--color-teal-subtle);
}

.segmented-option.active {
  background: var(--color-teal-primary);
  border-color: var(--color-teal-primary);
  color: #ffffff;
}

/* Form Actions */
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

/* Range Slider Controls */
.slider-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
}

.slider-value {
  font-weight: 700;
  color: var(--color-teal-primary);
  background: var(--color-teal-subtle);
  border: 1px solid var(--color-teal-border);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-teal-primary);
  box-shadow: 0 1px 4px rgba(13, 92, 99, 0.4);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  background: var(--color-teal-vibrant);
}

/* Frequency Tabs / Segmented Controls */
.frequency-tabs {
  display: flex;
  padding: 4px;
  background: var(--color-surface-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  margin: 16px 0 20px;
  width: 100%;
}

.frequency-btn, .frequency-tab {
  flex: 1;
  text-align: center;
  padding: 8px 10px;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.frequency-btn:hover, .frequency-tab:hover {
  color: var(--color-text);
}

.frequency-btn.active, .frequency-tab.active {
  background: #ffffff;
  color: var(--color-teal-primary);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(13, 92, 99, 0.1);
}

/* --------------------------------------------------------------------------
   Summary Card / Results Display (State-of-the-Art)
   -------------------------------------------------------------------------- */
.summary-card {
  position: sticky;
  top: 96px;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-teal-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.summary-header {
  padding: 22px 28px;
  background: linear-gradient(180deg, var(--color-teal-subtle) 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

@media (max-width: 640px) {
  .summary-header {
    padding: 18px 20px;
  }
}

.summary-header-title {
  font-family: var(--font-editorial);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-teal-deep);
  margin: 0;
}

.summary-body {
  padding: 24px 28px 28px;
}

@media (max-width: 640px) {
  .summary-body {
    padding: 20px;
  }
}

.calc-card-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: var(--color-teal-subtle);
  border: 1px solid var(--color-teal-border);
  color: var(--color-teal-primary);
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.estimate-display {
  text-align: center;
  padding: 12px 0 20px;
}

.estimate-label {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-teal-primary);
  margin-bottom: 4px;
}

.estimate-amount {
  font-family: var(--font-editorial);
  font-size: clamp(2.4rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--color-teal-deep);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  margin-bottom: 4px;
}

.estimate-period {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* Breakdown Table (Line-by-Line) */
.breakdown-table, .breakdown-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 22px 0;
  padding: 18px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.breakdown-row, .breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.45;
  padding: 2px 0;
}

.breakdown-row > span:first-child, .breakdown-item > span:first-child {
  flex: 1;
  text-align: left;
}

.breakdown-row.deduction .breakdown-val {
  color: var(--color-success);
}

.breakdown-row.total-row {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-teal-deep);
  padding-top: 14px;
  margin-top: 6px;
  border-top: 1px dashed var(--color-border);
}

.breakdown-row.total-row .breakdown-val {
  font-size: 1.08rem;
  color: var(--color-teal-primary);
}

.breakdown-val, .breakdown-value {
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.summary-disclaimer {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  background: var(--color-surface-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin: 18px 0;
  border-left: 3px solid var(--color-teal-primary);
}

.summary-disclaimer strong {
  color: var(--color-text);
}

.summary-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

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

.btn-primary {
  background: var(--color-teal-primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-teal-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--color-surface);
  border-color: var(--color-border-dark);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-surface-subtle);
  border-color: var(--color-teal-primary);
  color: var(--color-teal-primary);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-teal-border);
  color: var(--color-teal-primary);
}

.btn-outline:hover {
  background: var(--color-teal-subtle);
  border-color: var(--color-teal-primary);
  color: var(--color-teal-hover);
}

/* --------------------------------------------------------------------------
   Feature Cards & Grid Layouts
   -------------------------------------------------------------------------- */
.card-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 24px 0;
}

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

.card-grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 24px 0;
}

@media (min-width: 768px) {
  .card-grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card-grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin: 24px 0;
}

@media (min-width: 640px) {
  .card-grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .card-grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xs);
}

.feature-card:hover {
  border-color: var(--color-teal-border);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-teal-subtle);
  color: var(--color-teal-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 14px;
  border: 1px solid var(--color-teal-border);
}

.feature-card-title {
  font-family: var(--font-editorial);
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--color-teal-deep);
  margin: 0 0 8px;
}

.feature-card p {
  font-size: 0.94rem;
  margin: 0;
  color: var(--color-text-secondary);
}

.card-link-action {
  margin-top: auto;
  padding-top: 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-teal-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.card-link-action:hover {
  color: var(--color-teal-hover);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   Callout Alert Boxes
   -------------------------------------------------------------------------- */
.callout {
  padding: 20px 22px;
  border-radius: var(--radius-md);
  margin: 24px 0;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 0.96rem;
  line-height: 1.65;
}

.callout-info {
  background: var(--color-teal-subtle);
  border-left: 4px solid var(--color-teal-primary);
  color: var(--color-teal-deep);
  border-top: 1px solid rgba(13, 92, 99, 0.08);
  border-right: 1px solid rgba(13, 92, 99, 0.08);
  border-bottom: 1px solid rgba(13, 92, 99, 0.08);
}

.callout-warning {
  background: var(--color-warning-subtle);
  border-left: 4px solid var(--color-warning);
  color: #78350f;
  border-top: 1px solid rgba(180, 83, 9, 0.1);
  border-right: 1px solid rgba(180, 83, 9, 0.1);
  border-bottom: 1px solid rgba(180, 83, 9, 0.1);
}

.callout-success {
  background: var(--color-success-subtle);
  border-left: 4px solid var(--color-success);
  color: #064e3b;
  border-top: 1px solid rgba(5, 150, 105, 0.1);
  border-right: 1px solid rgba(5, 150, 105, 0.1);
  border-bottom: 1px solid rgba(5, 150, 105, 0.1);
}

/* --------------------------------------------------------------------------
   Numbered Step Lists
   -------------------------------------------------------------------------- */
.step-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0;
}

.step-item {
  display: flex;
  gap: 18px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  box-shadow: var(--shadow-xs);
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-teal-primary) 0%, var(--color-teal-hover) 100%);
  color: #ffffff;
  font-family: var(--font-sans);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.95rem;
  box-shadow: 0 2px 6px rgba(13, 92, 99, 0.3);
}

.step-body h4 {
  font-family: var(--font-editorial);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-teal-deep);
  margin: 0 0 6px;
}

.step-body p {
  font-size: 0.94rem;
  margin: 0;
}

/* --------------------------------------------------------------------------
   FAQ Accordions (Stylized with Teal Highlight)
   -------------------------------------------------------------------------- */
.faq-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--color-teal-border);
}

.faq-item details {
  width: 100%;
}

.faq-item summary {
  padding: 20px 22px;
  font-family: var(--font-editorial);
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--color-teal-deep);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  user-select: none;
  transition: background var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  color: var(--color-teal-vibrant);
  font-weight: 400;
  transition: transform 0.25s ease;
  line-height: 1;
}

.faq-item details[open] summary {
  background: var(--color-teal-subtle);
  color: var(--color-teal-primary);
  border-bottom: 1px solid var(--color-teal-border);
}

.faq-item details[open] .faq-icon {
  transform: rotate(45deg);
}

.faq-content {
  padding: 18px 22px 22px;
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.7;
}

.faq-content p:last-child {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Financial & Comparison Data Tables (High-Clarity)
   -------------------------------------------------------------------------- */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 24px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.94rem;
  text-align: left;
}

.data-table th {
  background: var(--color-surface-subtle);
  color: var(--color-teal-deep);
  font-family: var(--font-sans);
  font-weight: 700;
  padding: 14px 18px;
  border-bottom: 2px solid var(--color-border);
  letter-spacing: -0.01em;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
  line-height: 1.55;
}

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

.data-table tr:hover td {
  background: rgba(240, 253, 250, 0.5); /* Subtle teal hover tint */
}

/* --------------------------------------------------------------------------
   A-Z States Directory (Homepage)
   -------------------------------------------------------------------------- */
.state-grid-az {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.state-card-link {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.94rem;
  transition: all var(--transition-fast);
}

.state-card-link:hover {
  border-color: var(--color-teal-border);
  background: var(--color-teal-subtle);
  color: var(--color-teal-primary);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

.state-card-code {
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--color-surface-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   Footer (Renovated Oceanic Slate-Teal Design)
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-teal-deep);
  color: #e2e8f0;
  border-top: 3px solid var(--color-teal-vibrant);
  padding: 64px 0 32px;
  font-size: 0.93rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 48px;
}

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

@media (min-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  color: #ffffff;
  font-family: var(--font-editorial);
  font-weight: 700;
  font-size: 1.35rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo:hover {
  text-decoration: none;
  color: #ffffff;
}

.footer-desc {
  line-height: 1.65;
  color: #cbd5e1;
  font-size: 0.92rem;
}

.footer-col-title {
  font-family: var(--font-sans);
  color: #ffffff;
  font-size: 0.96rem;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
  transition: all var(--transition-fast);
}

.footer-link:hover {
  color: #5eead4;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
  font-size: 0.88rem;
  color: #f8fafc;
}

.footer-bottom p,
.footer-copyright,
p.footer-copyright {
  color: #f8fafc !important;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  margin: 0 !important;
  white-space: nowrap !important;
  opacity: 1 !important;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-disclaimer-note {
  font-size: 0.84rem;
  line-height: 1.65;
  color: #cbd5e1;
  max-width: 860px;
}

.footer-disclaimer-note strong {
  color: #ffffff;
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Print Stylesheet (@media print)
   -------------------------------------------------------------------------- */
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .btn,
  .btn-change-state,
  .btn-mobile-menu,
  .frequency-tabs,
  .popular-states,
  .hero-badge,
  .hero-media,
  .breadcrumb-nav {
    display: none !important;
  }

  .calc-grid {
    display: block !important;
  }

  .summary-card {
    position: static !important;
    border: 1px solid #000 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    margin-bottom: 20pt;
  }

  .summary-header {
    background: #f1f5f9 !important;
    color: #000 !important;
    border-bottom: 1px solid #000;
  }

  .summary-amount {
    color: #000 !important;
  }
}