/* ==========================================================================
   Accounting DNA - Production Design System & Global Stylesheet
   Architecture: Modern CSS, Mobile-First, WCAG 2.1 AA Compliant
   Art Direction: Professional Variant B ("Crisp modern firm")
   Brand Anchor: Deep Ocean Teal (#236b86), Midnight Petrol (#0e2b36), Slate & Amber Gold
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Root Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Exact Palette from design_brief.json */
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #0f172a;
  --color-muted: #526071;
  --color-primary: #236b86;
  --color-primary-text: #ffffff;
  --color-accent: #d97706;
  --color-accent-accessible: #b45309;
  --color-accent-dark: #92400e;
  --color-dark: #0e2b36;
  --color-dark-text: #ffffff;

  /* Derived Tone & State Variants (built strictly from palette hues) */
  --color-primary-hover: #1b5368;
  --color-primary-active: #143d4d;
  --color-primary-subtle: rgba(35, 107, 134, 0.08);
  --color-primary-tint: rgba(35, 107, 134, 0.15);
  --color-accent-hover: #92400e;
  --color-accent-subtle: rgba(217, 119, 6, 0.12);
  --color-dark-subtle: #143a49;
  --color-dark-tint: rgba(14, 43, 54, 0.96);
  --color-surface-alt: #f1f5f9;
  --color-border: rgba(15, 23, 42, 0.12);
  --color-border-subtle: rgba(15, 23, 42, 0.06);
  --color-border-focus: #236b86;

  /* Typography System */
  --font-display: 'Schibsted Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Fluid Type Scale (clamp) */
  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.18vw, 0.9375rem);
  --text-base: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  --text-md: clamp(1.125rem, 1.06rem + 0.33vw, 1.25rem);
  --text-lg: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.35rem + 0.75vw, 1.875rem);
  --text-2xl: clamp(1.875rem, 1.65rem + 1.1vw, 2.375rem);
  --text-3xl: clamp(2.25rem, 1.95rem + 1.5vw, 3rem);
  --text-hero: clamp(2.5rem, 2.1rem + 2vw, 3.75rem);

  /* Spacing Scale (clamp) */
  --space-2xs: clamp(0.25rem, 0.22rem + 0.15vw, 0.375rem);
  --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.625rem);
  --space-sm: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --space-md: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --space-lg: clamp(1.5rem, 1.35rem + 0.75vw, 2rem);
  --space-xl: clamp(2rem, 1.75rem + 1.25vw, 2.75rem);
  --space-2xl: clamp(3rem, 2.5rem + 2.5vw, 4.5rem);
  --space-3xl: clamp(4rem, 3.25rem + 3.75vw, 6rem);

  /* Layout Containers */
  --container-max: 1240px;
  --container-wide: 1360px;
  --header-height: 80px;

  /* Elevation Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 10px 24px rgba(15, 23, 42, 0.1), 0 4px 8px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 32px rgba(15, 23, 42, 0.14), 0 8px 16px rgba(15, 23, 42, 0.06);

  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Global Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: start; /* Remediation: Replace legacy full text-align justify */
  overflow-x: clip; /* Fix for horizontal scroll without breaking sticky headers */
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-text);
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-md); }

p {
  margin-block-end: 1rem;
  color: var(--color-muted);
  text-align: start;
  text-wrap: pretty;
}

p:last-child {
  margin-block-end: 0;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

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

ul, ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   3. Utility Classes & Layout Containers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

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

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.section {
  padding-block: var(--space-2xl);
  position: relative;
}

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

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

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

.section-dark p {
  color: rgba(255, 255, 255, 0.8);
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
  margin-block-end: var(--space-xl);
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-block-end: var(--space-xs);
}

.section-dark .section-eyebrow {
  color: var(--color-accent);
  background-color: rgba(217, 119, 6, 0.15);
}

.section-title {
  margin-block-end: var(--space-xs);
}

.section-subtitle {
  font-size: var(--text-md);
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.85rem 1.65rem;
  min-height: 48px; /* Ergonomic touch target */
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: var(--color-primary-text);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

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

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

.btn-accent {
  background-color: var(--color-accent-accessible);
  color: #ffffff;
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-white {
  background-color: #ffffff;
  color: var(--color-dark);
}

.btn-white:hover {
  background-color: var(--color-bg);
  color: var(--color-dark);
  transform: translateY(-1px);
}

.btn-dark-outline {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn-dark-outline:hover {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

/* --------------------------------------------------------------------------
   5. Site Header & Sticky Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

/* Top utility bar */
.top-bar {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  font-size: var(--text-xs);
  padding-block: 0.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

@media (max-width: 640px) {
  .top-bar-left {
    display: none;
  }
  .top-bar .container {
    justify-content: center;
  }
  .top-bar-right {
    gap: var(--space-sm);
  }
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.85);
}

.top-bar-item a {
  color: rgba(255, 255, 255, 0.9);
}

.top-bar-item a:hover {
  color: var(--color-accent);
}

.header-main {
  padding-block: 0.75rem;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

/* Logo starts header, is home link, no separate Home item */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo img {
  height: 42px;
  width: auto;
  max-width: 155px;
  object-fit: contain;
}

@media (min-width: 640px) {
  .brand-logo img {
    height: 48px;
    max-width: 175px;
  }
}

.site-nav {
  display: none; /* Mobile first */
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-xs);
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  inset-inline: 0.75rem;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

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

@media (max-width: 899px) {
  .header-actions .btn {
    display: none;
  }
}

.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-text);
  flex-shrink: 0;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.mobile-menu-btn:hover {
  background-color: var(--color-surface-alt);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.mobile-menu-btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  inset-block-start: 0;
  inset-inline-end: -100%;
  width: min(85vw, 360px);
  height: 100vh;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xl);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  transition: inset-inline-end var(--transition-normal);
  overflow-y: auto;
}

.mobile-drawer.is-open {
  inset-inline-end: 0;
}

.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-block-end: var(--space-lg);
  padding-block-end: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.mobile-drawer-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-block-end: var(--space-lg);
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text);
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-xs);
}

.mobile-nav-link.active {
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.5);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.mobile-drawer-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   6. Hero Section (Split Layout)
   -------------------------------------------------------------------------- */
.hero {
  padding-block: var(--space-xl) var(--space-2xl);
  background: linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border-subtle);
}

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

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: var(--space-2xl);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.hero-badge-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border-radius: var(--radius-full);
}

.hero-badge-accent {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent-dark);
}

.hero-title {
  color: var(--color-dark);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.15;
}

@media (max-width: 640px) {
  .hero-title {
    font-size: clamp(1.85rem, 1.5rem + 1.6vw, 2.35rem);
    line-height: 1.2;
  }
}

.hero-lead {
  font-size: var(--text-md);
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 600px;
}

@media (max-width: 576px) {
  .btn-group .btn {
    width: 100%;
    justify-content: center;
  }
}

.hero-proof {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
}

.rating-stars {
  color: var(--color-accent-accessible);
  display: inline-flex;
  gap: 2px;
}

.hero-media {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
}

.hero-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-floating-card {
  position: absolute;
  bottom: -20px;
  inset-inline-start: -15px;
  background-color: var(--color-surface);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  max-width: 260px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.hero-floating-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-floating-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-dark);
}

.hero-floating-subtitle {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

@media (max-width: 576px) {
  .hero-floating-card {
    position: static;
    margin-block-start: var(--space-sm);
    max-width: 100%;
  }
}

/* --------------------------------------------------------------------------
   7. Signature Section: Results & Compliance Certainty Stat Band
   (Variant B Signature with Interactive Fee & Statutory Matrix)
   -------------------------------------------------------------------------- */
.signature-band {
  background-color: var(--color-primary);
  color: #ffffff;
  padding-block: var(--space-2xl);
  position: relative;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-block-end: var(--space-2xl);
}

@media (min-width: 768px) {
  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }
}

.stat-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  text-align: center;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  margin-block-end: var(--space-2xs);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  margin-block-end: 0.25rem;
}

.stat-caption {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.9);
}

/* Interactive Statutory & Fee Matrix inside Signature */
.matrix-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  color: var(--color-text);
  box-shadow: var(--shadow-xl);
}

.matrix-header {
  text-align: center;
  margin-block-end: var(--space-lg);
}

.matrix-title {
  color: var(--color-dark);
  font-size: var(--text-xl);
  margin-block-end: var(--space-2xs);
}

.matrix-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.matrix-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  margin-block-end: var(--space-lg);
}

.matrix-tab-btn {
  background-color: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.matrix-tab-btn.is-active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

.matrix-panels {
  position: relative;
}

.matrix-panel {
  display: none;
}

.matrix-panel.is-active {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 800px) {
  .matrix-panel.is-active {
    grid-template-columns: 1fr 1.2fr;
  }
}

.matrix-fee-box {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.matrix-fee-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: var(--space-xs);
}

.matrix-fee-amount {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-dark);
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  margin-block-end: var(--space-xs);
}

.matrix-fee-cycle {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-muted);
}

.matrix-fee-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-block-end: var(--space-md);
}

.matrix-fee-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.matrix-fee-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
}

.matrix-timeline-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background-color: #ffffff;
}

.timeline-title {
  font-size: var(--text-md);
  color: var(--color-dark);
  font-weight: 700;
  margin-block-end: var(--space-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.compliance-milestones {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
  padding-inline-start: var(--space-md);
}

.compliance-milestones::before {
  content: '';
  position: absolute;
  inset-block: 0.5rem;
  inset-inline-start: 6px;
  width: 2px;
  background-color: var(--color-border);
}

.milestone-item {
  position: relative;
}

.milestone-item::before {
  content: '';
  position: absolute;
  inset-inline-start: calc(-1 * var(--space-md) - 2px);
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  border: 3px solid #ffffff;
  box-shadow: 0 0 0 1px var(--color-primary);
}

.milestone-tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent-accessible);
  margin-block-end: 0.2rem;
}

.milestone-headline {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark);
}

.milestone-desc {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   8. Sectors Served Section
   -------------------------------------------------------------------------- */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

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

@media (min-width: 1024px) {
  .sectors-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.sector-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  transition: all var(--transition-fast);
}

.sector-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.sector-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: var(--space-2xs);
}

.sector-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-dark);
}

.sector-client {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.client-logo-bar {
  margin-block-start: var(--space-xl);
  padding-block: var(--space-md);
  border-block: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.client-logo-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-weight: 500;
}

.client-logo-item img {
  max-height: 44px;
  width: auto;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: all var(--transition-fast);
}

.client-logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* --------------------------------------------------------------------------
   9. Core Services Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.service-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.service-card-top {
  margin-block-end: var(--space-md);
}

.service-icon-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-block-end: var(--space-md);
}

.service-card-title {
  font-size: var(--text-xl);
  color: var(--color-dark);
  margin-block-end: var(--space-xs);
}

.service-card-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
  margin-block-end: var(--space-md);
}

.service-card-deliverables {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-block-end: var(--space-lg);
}

.service-deliverable-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.service-deliverable-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.service-card-link:hover {
  gap: 0.6rem;
}

/* --------------------------------------------------------------------------
   10. Fixed-Fee Pricing Preview & Full Tables
   -------------------------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: stretch;
}

@media (min-width: 900px) {
  .pricing-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pricing-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-normal);
  position: relative;
}

.pricing-card.is-popular {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

@media (max-width: 899px) {
  .pricing-card.is-popular {
    transform: none;
  }
}

.pricing-popular-badge {
  position: absolute;
  top: -14px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent-accessible);
  color: #ffffff;
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-full);
}

.pricing-card-header {
  margin-block-end: var(--space-lg);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  padding-block-end: var(--space-md);
}

.pricing-plan-name {
  font-size: var(--text-lg);
  color: var(--color-dark);
  margin-block-end: 0.25rem;
}

.pricing-plan-volume {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  display: inline-block;
  margin-block-end: var(--space-sm);
}

.pricing-plan-price {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1;
  margin-block-end: 0.25rem;
}

.pricing-plan-cycle {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.pricing-feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-block-end: var(--space-xl);
}

.pricing-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.pricing-feature-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Data Table Wrapper for Pricing & Statutory Rules */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  margin-block: var(--space-lg);
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: start;
  font-size: var(--text-sm);
}

.data-table th,
.data-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.data-table th {
  background-color: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-dark);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

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

.data-table tr:hover td {
  background-color: rgba(35, 107, 134, 0.02);
}

.table-price-tag {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--text-md);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   11. How We Work (4 Steps Process)
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  position: relative;
}

@media (min-width: 768px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

.process-step {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  position: relative;
  transition: all var(--transition-fast);
}

.process-step:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.process-step-num {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-block-end: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.process-step-title {
  font-size: var(--text-md);
  color: var(--color-dark);
  margin-block-end: var(--space-xs);
}

.process-step-desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   12. Credentials & Team (The DNA Standard)
   -------------------------------------------------------------------------- */
.credentials-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 992px) {
  .credentials-split {
    grid-template-columns: 1fr 1fr;
  }
}

.credentials-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  margin-block: var(--space-sm);
}

@media (min-width: 600px) {
  .pillar-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pillar-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
}

.pillar-letter {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}

.pillar-title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-dark);
  margin-block: 0.25rem;
}

.pillar-desc {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

.accreditation-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.accred-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.85rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-dark);
}

.accred-badge svg {
  color: var(--color-primary);
}

.office-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
}

.office-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.office-card-caption {
  position: absolute;
  bottom: 0;
  inset-inline: 0;
  background: linear-gradient(0deg, rgba(14, 43, 54, 0.95) 0%, rgba(14, 43, 54, 0.7) 70%, transparent 100%);
  padding: var(--space-md);
  color: #ffffff;
}

.office-card-caption p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-xs);
  margin: 0;
}

/* --------------------------------------------------------------------------
   13. Client Testimonials (Real Google Reviews)
   -------------------------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.testimonial-stars {
  color: var(--color-accent-accessible);
  display: flex;
  gap: 2px;
  margin-block-end: var(--space-sm);
}

.testimonial-quote {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text);
  margin-block-end: var(--space-md);
  font-style: normal;
  text-align: start;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  border-top: 1px solid var(--color-border-subtle);
  padding-block-start: var(--space-sm);
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
}

.author-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-dark);
}

.author-source {
  font-size: var(--text-xs);
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   14. Singapore Corporate Compliance FAQ
   -------------------------------------------------------------------------- */
.faq-wrap {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

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

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

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: start;
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-dark);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
  background-color: var(--color-primary);
  color: #ffffff;
}

.faq-content {
  display: none;
  padding: 0 var(--space-lg) var(--space-lg);
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.6;
}

.faq-item.is-open .faq-content {
  display: block;
}

/* --------------------------------------------------------------------------
   15. Statutory Knowledge Base & Guides
   -------------------------------------------------------------------------- */
.guides-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 768px) {
  .guides-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .guides-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.guide-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.guide-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-bg);
}

.guide-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.guide-card:hover .guide-card-media img {
  transform: scale(1.03);
}

.guide-card-body {
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}

.guide-card-tag {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: 0.35rem;
}

.guide-card-title {
  font-size: var(--text-md);
  color: var(--color-dark);
  margin-block-end: var(--space-xs);
  line-height: 1.35;
}

.guide-card-snippet {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.5;
  margin-block-end: var(--space-md);
}

/* --------------------------------------------------------------------------
   16. Contact & Consultation Section
   -------------------------------------------------------------------------- */
.contact-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 992px) {
  .contact-split {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.contact-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.contact-info-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-block-end: var(--space-xl);
}

@media (min-width: 600px) {
  .contact-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md);
  background-color: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
}

.contact-info-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-info-title {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: 0.05em;
}

.contact-info-val {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark);
}

.contact-info-val a {
  color: var(--color-dark);
}

.contact-info-val a:hover {
  color: var(--color-primary);
}

/* Form Styles */
.form-group {
  margin-block-end: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-dark);
  margin-block-end: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  color: var(--color-text);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(35, 107, 134, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

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

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.form-success-message {
  display: none;
  background-color: rgba(35, 107, 134, 0.1);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  color: var(--color-primary);
  font-weight: 600;
  margin-block-start: var(--space-md);
  text-align: center;
}

/* Map Frame */
.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  height: 100%;
  min-height: 380px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  min-height: 380px;
  border: 0;
}

/* --------------------------------------------------------------------------
   17. CTA Repeat Band
   -------------------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-dark) 0%, #153c4b 100%);
  color: #ffffff;
  padding-block: var(--space-2xl);
  text-align: center;
}

.cta-band .container {
  max-width: 800px;
}

.cta-band-title {
  color: #ffffff;
  font-size: var(--text-2xl);
  margin-block-end: var(--space-xs);
}

.cta-band-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-md);
  margin-block-end: var(--space-lg);
}

.cta-band-btns {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   18. Interactive Fee Estimator (Pricing Page Tool)
   -------------------------------------------------------------------------- */
.calculator-box {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  margin-block-end: var(--space-2xl);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 850px) {
  .calc-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}

.calc-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.calc-group-title {
  font-size: var(--text-sm);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-dark);
  letter-spacing: 0.05em;
  margin-block-end: var(--space-xs);
}

.radio-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.radio-pill {
  position: relative;
}

.radio-pill input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-pill label {
  display: inline-block;
  padding: 0.65rem 1.15rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-pill input[type="radio"]:checked + label {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-xs);
}

.checkbox-tile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-block-end: var(--space-xs);
  transition: all var(--transition-fast);
}

.checkbox-tile:hover {
  border-color: var(--color-primary);
}

.checkbox-tile-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.checkbox-tile-price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.calc-summary-card {
  background-color: var(--color-dark);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-summary-title {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-block-end: var(--space-xs);
}

.calc-total-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: #ffffff;
  margin-block-end: var(--space-xs);
}

.calc-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-block: var(--space-md);
  padding-block: var(--space-md);
  border-block: 1px solid rgba(255, 255, 255, 0.15);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.8);
}

.calc-breakdown-row {
  display: flex;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   19. Site Footer (Semantic HTML5, Multi-Column, No Raster Graphic)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-dark-text);
  padding-block-start: var(--space-3xl);
  padding-block-end: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-block-end: var(--space-2xl);
}

@media (min-width: 600px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 0.9fr 1fr 1.1fr;
  }
}

.footer-col-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.footer-logo {
  display: inline-block;
  background-color: #ffffff;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  max-width: fit-content;
}

.footer-logo img {
  height: 42px;
  width: auto;
}

.footer-motto {
  font-style: italic;
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-sm);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: 700;
  color: #ffffff;
  margin-block-end: var(--space-md);
  position: relative;
  padding-block-end: 0.4rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  inset-inline-start: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
  transition: color var(--transition-fast), padding-inline-start var(--transition-fast);
}

.footer-links a:hover {
  color: #ffffff;
  padding-inline-start: 4px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: var(--text-sm);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: rgba(255, 255, 255, 0.85);
}

.footer-contact-item svg {
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-item a {
  color: rgba(255, 255, 255, 0.9);
}

.footer-contact-item a:hover {
  color: var(--color-accent);
}

.footer-badge-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-block-start: var(--space-xs);
}

.footer-tag {
  display: inline-block;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.9);
  background-color: rgba(255, 255, 255, 0.1);
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-xs);
}

.footer-bottom {
  padding-block-start: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

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

.footer-credits {
  color: rgba(255, 255, 255, 0.6);
}

/* --------------------------------------------------------------------------
   20. Back-To-Top Button
   -------------------------------------------------------------------------- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  inset-inline-end: 24px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 990;
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

/* --------------------------------------------------------------------------
   21. Motion & Scroll Animations (Accessible)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-on-scroll.is-revealed {
    opacity: 1;
    transform: translateY(0);
  }
}