/* ==========================================================================
   Xiophider WordPress Theme v2.0.0 - Main Stylesheet
   Typography: Bricolage Grotesque (Headings), DM Sans (Body), JetBrains Mono
   Colors: Curated HSL/Hex tailored tokens with instant dark mode support
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables & Theme Tokens (Includes --xio-* Compatibility Aliases)
   -------------------------------------------------------------------------- */
:root {
  --color-paper: #F3F5F9;
  --color-surface: #FFFFFF;
  --color-surface-translucent: rgba(255, 255, 255, 0.88);
  --color-ink: #14213D;
  --color-muted: #55627D;
  --color-line: #D5DBE7;
  --color-blue: #2F5BFF;
  --color-blue-hover: #2045DC;
  --color-blue-border: rgba(47, 91, 255, 0.25);
  --color-mint: #12A37F;
  --color-mint-light: rgba(18, 163, 127, 0.12);
  --color-amber: #F59E0B;
  --color-purple: #8B5CF6;

  /* Legacy / Template Compatibility Aliases */
  --xio-paper: var(--color-paper);
  --xio-surface: var(--color-surface);
  --xio-ink: var(--color-ink);
  --xio-muted: var(--color-muted);
  --xio-line: var(--color-line);
  --xio-blue: var(--color-blue);
  --xio-mint: var(--color-mint);
  --xio-mint-subtle: var(--color-mint-light);
  --xio-font-heading: var(--font-heading);
  --xio-radius-card: var(--radius-xl);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 18px 40px -12px rgba(20, 33, 61, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-heading: 'Bricolage Grotesque', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
  --container-width: 1240px;
}

/* Dark Theme Overrides */
html.dark, body.dark {
  --color-paper: #0E1424;
  --color-surface: #161E33;
  --color-surface-translucent: rgba(22, 30, 51, 0.88);
  --color-ink: #E9EDF7;
  --color-muted: #98A4BF;
  --color-line: #273250;
  --color-blue: #6F8CFF;
  --color-blue-hover: #4F72FF;
  --color-blue-border: rgba(111, 140, 255, 0.3);
  --color-mint: #3FD3A9;
  --color-mint-light: rgba(63, 211, 169, 0.15);
  --shadow-card: 0 18px 40px -12px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   2. Reset, Accessibility & Base Typography
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background-color: var(--color-paper);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-paper);
  color: var(--color-ink);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}

.skip-link:focus {
  background-color: var(--color-blue);
  border-radius: var(--radius-sm);
  clip: auto !important;
  clip-path: none;
  color: #fff;
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 1rem;
  line-height: normal;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  top: 1rem;
  width: auto;
  z-index: 100000;
}

main#primary {
  flex: 1 0 auto;
}

img, svg, video {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 150ms ease;
}

.hover-blue:hover {
  color: var(--color-blue);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-top: 0;
  color: var(--color-ink);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); font-weight: 800; line-height: 1.08; }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); font-weight: 800; }
h3 { font-size: clamp(1.3rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 0.95rem; }

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   3. Layout Utilities & Breadcrumbs
   -------------------------------------------------------------------------- */
.xio-container {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.xio-container-narrow {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.xio-section {
  padding-top: 5rem;
  padding-bottom: 5rem;
  border-bottom: 1.5px solid var(--color-line);
}

.xio-section.paper-bg,
.xio-section.xio-section-alt {
  background-color: var(--color-paper);
}

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

.xio-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.xio-breadcrumbs a {
  color: var(--color-blue);
}

.xio-breadcrumbs a:hover {
  text-decoration: underline;
}

.xio-breadcrumbs .sep {
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.xio-btn,
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
}

.xio-btn-sm {
  padding: 0.55rem 1.1rem;
  font-size: 0.825rem;
  border-radius: var(--radius-sm);
}

.xio-btn-primary,
.btn-primary {
  background-color: var(--color-blue);
  color: #FFFFFF !important;
  box-shadow: 0 2px 4px rgba(47, 91, 255, 0.25);
}

.xio-btn-primary:hover,
.btn-primary:hover {
  background-color: var(--color-blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(47, 91, 255, 0.35);
}

.xio-btn-secondary,
.btn-secondary {
  background-color: transparent;
  border-color: var(--color-line);
  color: var(--color-ink) !important;
}

.xio-btn-secondary:hover,
.btn-secondary:hover {
  border-color: var(--color-blue);
  background-color: rgba(47, 91, 255, 0.04);
}

.xio-btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF !important;
  font-weight: 600;
}

.xio-btn-whatsapp:hover {
  background-color: #1EBE5D;
  transform: translateY(-1px);
}

/* Pills & Badges */
.xio-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  color: var(--color-muted);
}

.xio-badge-dot,
.xio-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-mint);
  display: inline-block;
}

.xio-badge-primary {
  background-color: rgba(47, 91, 255, 0.1);
  border-color: rgba(47, 91, 255, 0.2);
  color: var(--color-blue);
}

.xio-badge-mint {
  background-color: var(--color-mint-light);
  border-color: rgba(18, 163, 127, 0.25);
  color: var(--color-mint);
}

/* Filter & Currency Switcher Pills */
.xio-currency-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--color-paper);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-line);
  flex-wrap: wrap;
}

.xio-currency-btn,
.xio-filter-pill {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
  cursor: pointer;
  transition: all 150ms ease;
}

.xio-filter-pill {
  background: var(--color-surface);
  border-color: var(--color-line);
  border-radius: 9999px;
  padding: 0.45rem 1rem;
}

.xio-currency-btn:hover,
.xio-filter-pill:hover {
  color: var(--color-ink);
  border-color: var(--color-blue);
}

.xio-currency-btn.is-active,
.xio-filter-pill.is-active {
  background: var(--color-blue);
  color: #FFFFFF;
  border-color: var(--color-blue);
}

/* --------------------------------------------------------------------------
   5. Announcement Bar & Site Header
   -------------------------------------------------------------------------- */
.xio-announcement-bar {
  background-color: var(--color-blue);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.6rem 1rem;
  text-align: center;
  position: relative;
  z-index: 60;
}

.xio-announcement-bar a {
  text-decoration: underline;
  margin-left: 0.5rem;
  color: #FFFFFF;
  font-weight: 700;
}

.xio-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface-translucent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1.5px solid var(--color-line);
  transition: background-color 200ms ease, border-color 200ms ease;
}

.xio-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.xio-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.xio-brand img,
.xio-inline-logo svg {
  height: 36px;
  width: auto;
  display: block;
}

.xio-nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.xio-nav-desktop a {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-muted);
  transition: color 150ms ease;
}

.xio-nav-desktop a:hover,
.xio-nav-desktop .current-menu-item > a {
  color: var(--color-blue);
}

.xio-header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.xio-theme-toggle {
  background: var(--color-paper);
  border: 1.5px solid var(--color-line);
  color: var(--color-ink);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 150ms ease;
}

.xio-theme-toggle:hover {
  background: var(--color-surface);
  border-color: var(--color-blue);
}

.xio-menu-toggle {
  display: none;
  background: none;
  border: 1.5px solid var(--color-line);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-ink);
}

.xio-mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(14, 20, 36, 0.7);
  backdrop-filter: blur(8px);
  display: none;
}

.xio-mobile-drawer.is-active {
  display: block;
}

.xio-mobile-drawer-content {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 380px;
  background-color: var(--color-surface);
  padding: 2rem;
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.xio-mobile-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.xio-mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
}

/* --------------------------------------------------------------------------
   6. Hero & Scope Brief Card
   -------------------------------------------------------------------------- */
.xio-hero {
  padding-top: 4rem;
  padding-bottom: 5rem;
  border-bottom: 1.5px solid var(--color-line);
  position: relative;
  overflow: hidden;
}

.xio-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .xio-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 4rem;
  }
}

.xio-hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.xio-hero-headline {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 3.75rem);
}

.xio-hero-subheadline {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--color-muted);
  line-height: 1.6;
  max-width: 580px;
  margin: 0;
}

.xio-hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 0.5rem;
}

.xio-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-line);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-muted);
}

.xio-trust-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.xio-trust-item svg {
  color: var(--color-mint);
  width: 16px;
  height: 16px;
}

.xio-scope-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-ink);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  transition: all 200ms ease;
}

html.dark .xio-scope-card {
  border-color: var(--color-line);
}

.xio-scope-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.25rem;
  background: var(--color-paper);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.xio-scope-tab-btn {
  background: none;
  border: none;
  padding: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--color-muted);
  transition: all 150ms ease;
}

.xio-scope-tab-btn.is-active {
  background-color: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-sm);
}

.xio-scope-tab-panel {
  display: none;
}

.xio-scope-tab-panel.is-active {
  display: block;
  animation: xioFadeIn 250ms ease-out forwards;
}

@keyframes xioFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   7. Grids: Services, Portfolio, Process, Pricing, Team, Tracker & ROI
   -------------------------------------------------------------------------- */
.xio-section-header {
  margin-bottom: 3.5rem;
  max-width: 640px;
}

.xio-section-header.text-center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.xio-pretitle {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-blue);
  margin-bottom: 0.5rem;
}

.xio-title {
  margin-bottom: 0.75rem;
}

.xio-subtitle {
  color: var(--color-muted);
  font-size: 1.05rem;
  margin: 0;
}

.xio-services-table {
  border-top: 1.5px solid var(--color-line);
  border-bottom: 1.5px solid var(--color-line);
}

.xio-service-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1.5px solid var(--color-line);
  align-items: start;
}

@media (min-width: 768px) {
  .xio-service-row {
    grid-template-columns: 4fr 5fr 3fr;
    gap: 2.5rem;
  }
}

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

.xio-tools-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

.xio-tool-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  background-color: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  color: var(--color-muted);
}

/* Process 4-Step Grid */
.xio-process-strip {
  display: grid;
  grid-template-columns: 1fr;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

@media (min-width: 992px) {
  .xio-process-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.xio-process-step {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-bottom: 1.5px solid var(--color-line);
}

@media (min-width: 640px) {
  .xio-process-step {
    border-right: 1.5px solid var(--color-line);
  }
  .xio-process-step:nth-child(2n) {
    border-right: none;
  }
}

@media (min-width: 992px) {
  .xio-process-step {
    border-bottom: none;
    border-right: 1.5px solid var(--color-line);
  }
  .xio-process-step:last-child {
    border-right: none;
  }
}

.xio-step-num {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-blue);
}

/* Ways to Work / Engagement Models Grid */
.xio-models-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

.xio-model-card,
.xio-ways-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.xio-model-card:hover,
.xio-ways-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.xio-model-card.featured,
.xio-ways-card.is-featured {
  background-color: #14213D;
  color: #FFFFFF;
  border-color: #14213D;
  box-shadow: var(--shadow-xl);
}

html.dark .xio-model-card.featured,
html.dark .xio-ways-card.is-featured {
  border-color: var(--color-blue);
}

.xio-model-card.featured h3,
.xio-ways-card.is-featured h3 {
  color: #FFFFFF;
}

.xio-model-card.featured p,
.xio-ways-card.is-featured p {
  color: #D5DBE7;
}

/* Portfolio 3-Column Grid */
.xio-portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

@media (min-width: 992px) {
  .xio-portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.xio-portfolio-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: all 200ms ease;
}

.xio-portfolio-card:hover {
  border-color: var(--color-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.xio-portfolio-thumb {
  aspect-ratio: 16/10;
  background-color: var(--color-paper);
  border-bottom: 1.5px solid var(--color-line);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.xio-portfolio-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms ease;
}

.xio-portfolio-card:hover .xio-portfolio-thumb img {
  transform: scale(1.04);
}

.xio-portfolio-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  flex: 1;
}

/* Tracker Card & ROI Simulator Card */
.xio-tracker-card,
.xio-roi-card,
.xio-calc-box {
  background-color: var(--color-paper);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}

/* Testimonials Grid */
.xio-testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

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

.xio-testimonial-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.5rem;
}

.xio-stars {
  color: #F59E0B;
  font-size: 1.1rem;
  letter-spacing: 2px;
}

/* FAQ Accordion */
.xio-faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

@media (min-width: 992px) {
  .xio-faq-grid {
    grid-template-columns: 4fr 8fr;
    gap: 4rem;
  }
}

.xio-accordion-item {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}

.xio-accordion-btn {
  width: 100%;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-ink);
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
}

.xio-accordion-content {
  display: none;
  padding: 0 1.5rem 1.5rem;
  font-size: 0.95rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-line);
  padding-top: 1rem;
}

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

/* --------------------------------------------------------------------------
   8. Full Interactive Scope Calculator Component
   -------------------------------------------------------------------------- */
.xio-calculator-box {
  background-color: var(--color-paper);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 2rem;
}

.xio-calc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 992px) {
  .xio-calc-grid {
    grid-template-columns: 8fr 4fr;
  }
}

.xio-calc-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 150ms ease;
  margin-bottom: 0.75rem;
}

.xio-calc-option:hover {
  border-color: var(--color-blue);
}

.xio-calc-option.selected {
  border-color: var(--color-blue);
  background-color: rgba(47, 91, 255, 0.05);
}

.xio-calc-summary-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-ink);
  border-radius: var(--radius-xl);
  padding: 2rem;
  position: sticky;
  top: 96px;
  box-shadow: var(--shadow-card);
}

html.dark .xio-calc-summary-card {
  border-color: var(--color-line);
}

/* --------------------------------------------------------------------------
   9. Standard WordPress Blog, Share Bar & Comments
   -------------------------------------------------------------------------- */
.xio-blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

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

@media (min-width: 992px) {
  .xio-blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.xio-post-card {
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.xio-post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.xio-post-meta {
  font-size: 0.8125rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.xio-single-content {
  font-size: 1.08rem;
  line-height: 1.8;
  max-width: 780px;
  margin: 0 auto;
}

.xio-single-content p {
  margin-bottom: 1.5rem;
}

.xio-single-content blockquote {
  border-left: 4px solid var(--color-blue);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--color-ink);
}

.xio-share-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.xio-share-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-muted);
}

.xio-share-btn {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
}

.xio-share-btn:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
}

/* Form Controls */
.comment-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea,
.xio-form-control,
.xio-input,
.xio-select,
.xio-textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background-color: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-ink);
  outline: none;
  transition: border-color 150ms ease;
}

.comment-form input:focus,
.comment-form textarea:focus,
.xio-form-control:focus,
.xio-input:focus,
.xio-select:focus,
.xio-textarea:focus {
  border-color: var(--color-blue);
}

/* --------------------------------------------------------------------------
   10. Footer & Navigation Lists
   -------------------------------------------------------------------------- */
.xio-footer {
  background-color: var(--color-surface);
  border-top: 1.5px solid var(--color-line);
  padding-top: 5rem;
  padding-bottom: 3rem;
  margin-top: auto;
}

.xio-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

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

@media (min-width: 992px) {
  .xio-footer-grid {
    grid-template-columns: 4fr 2fr 2fr 4fr;
  }
}

.xio-footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.xio-footer-nav a:hover {
  color: var(--color-blue);
}

.xio-legal-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.xio-footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   11. Multi-Channel Floating Contact & Realtime Live Chat Hub
   -------------------------------------------------------------------------- */
.xio-floating-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  font-family: var(--font-body);
}

.xio-floating-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: var(--color-blue);
  color: #FFFFFF !important;
  font-weight: 700;
  font-size: 14px;
  border-radius: 9999px;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(47, 91, 255, 0.4);
  transition: all 220ms cubic-bezier(0.16, 1, 0.3, 1);
}

.xio-floating-trigger:hover {
  transform: translateY(-2px) scale(1.02);
  background: var(--color-blue-hover);
  box-shadow: 0 14px 30px rgba(47, 91, 255, 0.5);
}

.xio-pulse-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #12A37F;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8);
  animation: xioGlowPulse 2s infinite;
}

@keyframes xioGlowPulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.xio-floating-modal {
  position: absolute;
  bottom: 60px;
  right: 0;
  width: 380px;
  max-width: calc(100vw - 32px);
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: 18px;
  box-shadow: 0 20px 40px -10px rgba(20, 33, 61, 0.25), 0 10px 20px -5px rgba(20, 33, 61, 0.12);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: xioSlideUpModal 250ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes xioSlideUpModal {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.xio-modal-top {
  padding: 14px 18px;
  border-bottom: 1.5px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-paper);
}

.xio-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  line-height: 1;
  color: var(--color-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  transition: all 150ms ease;
}

.xio-modal-close:hover {
  color: var(--color-ink);
  background: rgba(0, 0, 0, 0.05);
}

.xio-modal-tabs {
  display: flex;
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
  overflow-x: auto;
}

.xio-modal-tab {
  flex: 1;
  padding: 10px 8px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-muted);
  cursor: pointer;
  white-space: nowrap;
  text-align: center;
  transition: all 150ms ease;
}

.xio-modal-tab.is-active {
  color: var(--color-blue);
  border-bottom-color: var(--color-blue);
  background: rgba(47, 91, 255, 0.04);
}

.xio-tab-panel {
  display: none;
}

.xio-tab-panel.is-active {
  display: block;
}

.xio-widget-transcript {
  height: 270px;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-surface);
}

.xio-widget-msg-row {
  display: flex;
  flex-direction: column;
  max-width: 82%;
}

.xio-widget-msg-row.is-visitor {
  align-self: flex-end;
  align-items: flex-end;
}

.xio-widget-msg-row.is-admin {
  align-self: flex-start;
  align-items: flex-start;
}

.xio-widget-msg-meta {
  font-size: 10px;
  color: var(--color-muted);
  margin-bottom: 3px;
}

.xio-widget-bubble {
  padding: 9px 13px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.45;
  word-break: break-word;
}

.xio-widget-msg-row.is-visitor .xio-widget-bubble {
  background: var(--color-blue);
  color: #fff;
  border-bottom-right-radius: 2px;
}

.xio-widget-msg-row.is-admin .xio-widget-bubble {
  background: var(--color-paper);
  color: var(--color-ink);
  border: 1px solid var(--color-line);
  border-bottom-left-radius: 2px;
}

.xio-widget-chat-input-row {
  display: flex;
  padding: 10px 14px;
  border-top: 1.5px solid var(--color-line);
  background: var(--color-paper);
  gap: 8px;
}

.xio-widget-chat-input-row input {
  flex: 1;
  background: var(--color-surface);
  border: 1.5px solid var(--color-line);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--color-ink);
}

.xio-widget-chat-input-row input:focus {
  outline: none;
  border-color: var(--color-blue);
}

.xio-widget-chat-input-row button {
  background: var(--color-blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 150ms ease;
}

.xio-widget-chat-input-row button:hover {
  background: var(--color-blue-hover);
}

/* Responsive adjustments */
@media (max-width: 991px) {
  .xio-nav-desktop, .xio-header-actions .xio-btn {
    display: none;
  }
  .xio-menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 900px) {
  .xio-portal-grid {
    grid-template-columns: 1fr !important;
  }
}

/* Ticket Portal Box */
.xio-ticket-hub-box {
  background-color: var(--color-paper);
  border: 1.5px solid var(--color-line);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-sm);
}


/* --------------------------------------------------------------------------
   12. v4.0.0 Dark/Light Mode Enhancements & Complete Mobile Responsiveness
   -------------------------------------------------------------------------- */
html, body {
  overflow-x: hidden;
  max-width: 100vw;
}

/* Sun / Moon Icon Switching for Dark & Light Mode */
.xio-theme-toggle .sun-icon {
  display: none;
}
.xio-theme-toggle .moon-icon {
  display: block;
}
html.dark .xio-theme-toggle .sun-icon {
  display: block;
  color: #FBBF24;
}
html.dark .xio-theme-toggle .moon-icon {
  display: none;
}

/* Dark Mode Form Controls, Native Select Dropdowns, Range Sliders & Portal Cards */
html.dark .xio-form-control,
html.dark .xio-input,
html.dark .xio-select,
html.dark .xio-textarea,
html.dark select,
html.dark input[type="text"],
html.dark input[type="email"],
html.dark input[type="password"],
html.dark input[type="number"],
html.dark input[type="url"],
html.dark textarea {
  background-color: var(--color-surface);
  color: var(--color-ink);
  border-color: var(--color-line);
}

html.dark select option {
  background-color: #161E33;
  color: #E9EDF7;
}

html.dark input::placeholder,
html.dark textarea::placeholder {
  color: rgba(152, 164, 191, 0.65);
}

input[type="range"] {
  accent-color: var(--color-blue);
  cursor: pointer;
}

/* Mobile & Tablet Responsiveness Across All Portal, ROI, Auth, Ticket & Page Grids */
@media (max-width: 991px) {
  .xio-portal-grid,
  .xio-contact-grid,
  .xio-hero-grid,
  .xio-calc-grid,
  .xio-faq-grid {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }
  .xio-calc-summary-card {
    position: static;
  }
}

@media (max-width: 768px) {
  .xio-container,
  .xio-container-narrow {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .xio-section {
    padding-top: 3.25rem !important;
    padding-bottom: 3.25rem !important;
  }

  .xio-client-workspace-card,
  .xio-client-auth-card > div,
  .xio-ticket-tab-pane,
  .xio-tracker-card,
  .xio-roi-card,
  .xio-calculator-box,
  .xio-calc-summary-card,
  .xio-testimonial-card,
  .xio-model-card {
    padding: 1.25rem !important;
  }

  .xio-auth-tab-btn,
  .xio-ticket-tab-btn {
    flex: 1 1 calc(50% - 0.35rem);
    justify-content: center;
    text-align: center;
  }

  .xio-floating-widget {
    bottom: 14px;
    right: 14px;
  }

  .xio-floating-modal {
    width: calc(100vw - 28px);
    bottom: 56px;
  }

  .xio-announcement-bar {
    font-size: 0.75rem;
    padding: 0.5rem 0.75rem;
  }
}

@media (max-width: 480px) {
  h1, .xio-title {
    font-size: 1.85rem !important;
    line-height: 1.15 !important;
  }
  h2 {
    font-size: 1.5rem !important;
  }
  .xio-auth-tab-btn,
  .xio-ticket-tab-btn {
    flex: 1 1 100%;
    width: 100%;
  }
  .xio-captcha-box > div {
    flex-direction: column;
    align-items: stretch !important;
  }
  .xio-captcha-box .xio-captcha-answer {
    flex: 1;
    width: 100% !important;
  }
}