/* ===== WEB FONTS ===== */
@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter/Inter-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter/Inter-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Inter';
  src: url('/fonts/inter/Inter-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/jetbrains-mono/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'JetBrains Mono';
  src: url('/fonts/jetbrains-mono/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Reset and Base Styles */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  /* Mobile touch highlight color */
  -webkit-tap-highlight-color: rgba(85, 107, 47, var(--opacity-20));
}

:root {
  /* Color Scheme - Enable native browser dark mode enhancements */
  color-scheme: light;

  /* Monochromatic Color Palette - OpenAI Inspired */
  --color-bg: #f7f7f8;
  --color-bg-alt: #ffffff;
  --color-text: #1a1a1a;
  --color-text-secondary: #5e5e63; /* ~5.5:1 contrast on white - WCAG AA+ */
  --color-border: #d2d2d7;
  --color-hover: #f5f5f7;

  /* Brand Olive Green Palette */
  --color-brand-primary: #556b2f;
  --color-brand-secondary: #4c6029;
  --color-brand-dark: #3d5217;

  /* Typography */
  --font-family:
    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-family-mono:
    'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono',
    monospace;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;

  /* Font Weights */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 3.5rem;

  /* Responsive Breakpoints */
  --breakpoint-xs: 36rem; /* 576px */
  --breakpoint-sm: 48rem; /* 768px */
  --breakpoint-md: 64rem; /* 1024px */
  --breakpoint-lg: 75rem; /* 1200px */
  --breakpoint-xl: 90rem; /* 1440px */

  /* Section Layouts */
  --section-min-height: 100dvh; /* Dynamic viewport height - adapts to mobile address bar */
  --section-padding: 5rem 0;
  --section-max-width: 1200px;

  /* Container Widths */
  --container-xs: 600px;
  --container-sm: 700px;
  --container-md: 800px;
  --container-lg: 1000px;
  --container-xl: 1200px;
  --container-2xl: 1400px;
  --container-3xl: 1600px;
  --container-4xl: 1800px;

  /* Box Styles */
  --box-padding: 2.5rem;
  --box-border-radius: 15px;
  --box-shadow: 0 4px 20px rgba(0, 0, 0, var(--opacity-10));

  /* Touch Targets - WCAG 2.1 AA/AAA compliance */
  --touch-target-min: 44px; /* WCAG AAA minimum */
  --touch-target-preferred: 48px; /* Optimal thumb accessibility */

  /* Grid Patterns */
  --grid-gap: var(--space-10);
  --grid-gap-lg: var(--space-16);

  /* Transition Durations - Respect reduced motion preference */
  --transition-duration-fast: 0.15s;
  --transition-duration-base: 0.2s;
  --transition-duration-slow: 0.3s;

  /* Z-Index Scale - Consistent layering hierarchy */
  --z-base: 1; /* Base layer, minimal stacking */
  --z-dropdown: 10; /* Relative positioning, dropdowns */
  --z-sticky: 20; /* Sticky headers, sidebars */
  --z-fixed: 30; /* Fixed navigation */
  --z-backdrop: 50; /* Modal backdrops */
  --z-modal: 100; /* Modals, overlays, search */
  --z-popover: 200; /* Popovers, tooltips */
  --z-toast: 1000; /* Critical alerts, toasts */
  --z-max: 9999; /* Accessibility elements (skip links)

  /* Extended Color Palette - Round 8 Additions */
  --color-bg-light: #f8f9fa;
  --color-bg-lighter: #f8f8f8;
  --color-bg-dark: #1a1a1a;
  --color-bg-darker: #2d2d2d;

  /* Primary/Accent Colors */
  --color-primary: #556b2f; /* Primary accent color */
  --color-accent-green: #7fa03f; /* Accent green for highlights */

  /* Success/Validation Colors */
  --color-success: #28a745;
  --color-success-light: rgba(40, 167, 69, var(--opacity-10));

  /* Error/Warning Colors */
  --color-error: #c41e3a;
  --color-error-light: rgba(196, 30, 58, var(--opacity-10));
  --color-warning-bg: #fff3cd;
  --color-warning-border: #ffc107;
  --color-warning-text: #856404;

  /* Status/Badge Colors */
  --color-status-blue: #60a5fa;
  --color-status-red: #f87171;

  /* Info/Notice Colors */
  --color-info-bg: #d1ecf1;
  --color-info-border: #bee5eb;
  --color-link-blue: #0066cc;

  /* Opacity Scale - For consistent transparency values */
  --opacity-03: 0.03;
  --opacity-05: 0.05;
  --opacity-08: 0.08;
  --opacity-10: 0.1;
  --opacity-12: 0.12;
  --opacity-15: 0.15;
  --opacity-20: 0.2;
  --opacity-25: 0.25;
  --opacity-30: 0.3;
  --opacity-35: 0.35;
  --opacity-40: 0.4;
  --opacity-45: 0.45;
  --opacity-50: 0.5;
  --opacity-60: 0.6;
  --opacity-65: 0.65;
  --opacity-70: 0.7;
  --opacity-75: 0.75;
  --opacity-80: 0.8;
  --opacity-85: 0.85;
  --opacity-90: 0.9;
  --opacity-95: 0.95;

  /* Extended Typography Scale */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8rem);

  /* Line Height Scale */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 1.75;

  /* Letter Spacing Scale */
  --tracking-tighter: -0.05em;
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* Border Radius Scale */
  --radius-none: 0;
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Box Shadow Scale */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, var(--opacity-05));
  --shadow-md: 0 4px 6px rgba(0, 0, 0, var(--opacity-10));
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, var(--opacity-10));
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, var(--opacity-15));

  /* Accessibility */
  --outline-offset: 2px;

  /* Gradients */
  --gradient-dark: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-darker) 100%);
  --gradient-dark-alt: linear-gradient(135deg, var(--color-bg-darker) 0%, #1f1f1f 100%);
  --gradient-dark-green: linear-gradient(135deg, var(--color-bg-darker) 0%, #232823 100%);

  /* Interactive state colors — semantic overlays that flip in dark mode */
  --color-interactive-hover: rgba(0, 0, 0, 0.05);
  --color-interactive-active: rgba(0, 0, 0, 0.1);
  --color-border-subtle: rgba(0, 0, 0, 0.08);
}

/* ===== DARK THEME ===== */
/* JS-driven: inline script in <head> sets data-theme from localStorage / OS preference */
:root[data-theme='dark'] {
  color-scheme: dark;

  /* Core palette */
  --color-bg: #0f0f10;
  --color-bg-alt: #1a1a1b;
  --color-text: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-border: #2e2e32;
  --color-hover: #1f1f23;

  /* Extended backgrounds */
  --color-bg-light: #141416;
  --color-bg-lighter: #18181b;
  --color-bg-dark: #0a0a0b;
  --color-bg-darker: #111113;

  /* Interactive overlays — light on dark */
  --color-interactive-hover: rgba(255, 255, 255, 0.08);
  --color-interactive-active: rgba(255, 255, 255, 0.12);
  --color-border-subtle: rgba(255, 255, 255, 0.1);

  /* Status colors — transparent tints for dark context */
  --color-info-bg: rgba(96, 165, 250, 0.1);
  --color-info-border: rgba(96, 165, 250, 0.2);
  --color-warning-bg: rgba(255, 193, 7, 0.1);
  --color-warning-border: rgba(255, 193, 7, 0.2);
  --color-warning-text: #ffc107;
  --color-error-light: rgba(248, 113, 113, 0.1);
  --color-success-light: rgba(40, 167, 69, 0.15);

  /* Shadows — stronger on dark backgrounds */
  --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);

  /* Gradients — use updated bg tokens */
  --gradient-dark: linear-gradient(135deg, #0a0a0b 0%, #111113 100%);
  --gradient-dark-alt: linear-gradient(135deg, #111113 0%, #0f0f11 100%);
  --gradient-dark-green: linear-gradient(135deg, #111113 0%, #131613 100%);
}

/* CSS-only fallback: respect OS dark preference when JS hasn't set data-theme */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --color-bg: #0f0f10;
    --color-bg-alt: #1a1a1b;
    --color-text: #e4e4e7;
    --color-text-secondary: #a1a1aa;
    --color-border: #2e2e32;
    --color-hover: #1f1f23;
    --color-bg-light: #141416;
    --color-bg-lighter: #18181b;
    --color-bg-dark: #0a0a0b;
    --color-bg-darker: #111113;
    --color-interactive-hover: rgba(255, 255, 255, 0.08);
    --color-interactive-active: rgba(255, 255, 255, 0.12);
    --color-border-subtle: rgba(255, 255, 255, 0.1);
    --color-info-bg: rgba(96, 165, 250, 0.1);
    --color-info-border: rgba(96, 165, 250, 0.2);
    --color-warning-bg: rgba(255, 193, 7, 0.1);
    --color-warning-border: rgba(255, 193, 7, 0.2);
    --color-warning-text: #ffc107;
    --color-error-light: rgba(248, 113, 113, 0.1);
    --color-success-light: rgba(40, 167, 69, 0.15);
    --box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
    --gradient-dark: linear-gradient(135deg, #0a0a0b 0%, #111113 100%);
    --gradient-dark-alt: linear-gradient(135deg, #111113 0%, #0f0f11 100%);
    --gradient-dark-green: linear-gradient(135deg, #111113 0%, #131613 100%);
  }
}

/* Fallback for browsers without dvh support */
@supports not (height: 100dvh) {
  :root {
    --section-min-height: 100vh;
  }
}

/* Respect user's motion preferences - CRITICAL for accessibility */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-duration-fast: 0ms;
    --transition-duration-base: 0ms;
    --transition-duration-slow: 0ms;
  }

  /* Fallback for any hard-coded transitions */
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Only enable smooth scroll if user hasn't requested reduced motion */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Typography Enhancement - Prevent widows/orphans in headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

/* High Contrast Mode - Windows High Contrast, macOS Increase Contrast */
@media (forced-colors: active) {
  /* Buttons: ensure visible borders when color-only styling is stripped */
  .btn,
  .btn-primary,
  .btn-secondary {
    border: 2px solid ButtonText;
    forced-color-adjust: none;
  }

  /* Form inputs: explicit borders */
  .form-input,
  .form-select,
  .form-textarea {
    border: 2px solid ButtonText;
  }

  /* Links: ensure underline for distinguishability */
  a {
    text-decoration: underline;
  }

  /* Navigation: visible borders on interactive elements */
  .nav {
    border-bottom: 1px solid;
  }

  .hamburger-btn,
  .search-btn,
  .language-trigger-icon {
    border: 1px solid ButtonText;
  }

  /* Focus indicators: thicker for visibility */
  :focus-visible {
    outline: 3px solid Highlight;
    outline-offset: 2px;
  }

  /* Cards: visible boundaries */
  .featured-card,
  .pricing-card,
  .service-package-card,
  .value-card,
  .post-item,
  .faq-item {
    border: 2px solid ButtonText;
  }

  /* SVGs: inherit text color */
  svg {
    forced-color-adjust: auto;
  }
}

/* Increased Contrast - macOS "Increase Contrast" and similar OS settings */
@media (prefers-contrast: more) {
  :root {
    --color-text-secondary: #3a3a3d;
    --color-border: #8e8e93;
    --color-hover: #e8e8eb;
  }

  /* Thicker focus rings */
  :focus-visible {
    outline-width: 3px;
  }

  /* Ensure cards have visible borders, not just shadows */
  .featured-card,
  .pricing-card,
  .service-package-card,
  .value-card,
  .post-item,
  .faq-item {
    border-width: 2px;
  }
}

html {
  scroll-padding-top: calc(var(--nav-height) + var(--space-4));
  scrollbar-gutter: stable;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

/* Anchor targets: prevent fixed nav from covering content */
:target {
  scroll-margin-top: calc(var(--nav-height) + var(--space-8));
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--leading-relaxed);
  color: var(--color-text);
  background-color: var(--color-bg-alt);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  /* Sticky footer pattern - pushes footer to bottom on short pages */
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

#main-content {
  flex: 1;
}

/* ===== TEXT SELECTION ===== */
::selection {
  background-color: var(--color-brand-primary);
  color: var(--color-bg-alt);
}

/* Touch optimization - prevent double-tap-to-zoom delay on interactive elements */
a,
button,
input,
select,
textarea {
  touch-action: manipulation;
}

/* Form elements don't inherit font by default in browsers - fix this */
button,
input,
select,
textarea {
  font: inherit;
}

/* Form controls use brand color for checkboxes, radios, and ranges */
input,
select,
textarea {
  accent-color: var(--color-brand-primary);
}

/* Responsive images by default */
img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ===== LINK STATES ===== */
a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-duration-base) ease;
}

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

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

/* Body text links have underlines for accessibility */
p a:not(.hero-cta-primary),
li a:not(:where(.sidebar-link, .nav-link, .solution-card-link)) {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

p a:not(.hero-cta-primary):hover,
li a:not(:where(.sidebar-link, .nav-link)):hover {
  color: var(--color-brand-primary);
}

/* External link indicators for accessibility */
a[target='_blank']:not(
    :where(.hero-cta-primary, .btn, .login-btn, .search-btn, .solution-card-link)
  )::after {
  content: '';
  display: inline-block;
  width: 0.75em;
  height: 0.75em;
  margin-inline-start: 0.25em;
  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='%236e6e73' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  vertical-align: middle;
}

a[target='_blank']:not(
    :where(.hero-cta-primary, .btn, .login-btn, .search-btn, .solution-card-link)
  ):hover::after {
  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='%23556B2F' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
}

/* Social links and footer links get larger external icon */
.footer-social-link[target='_blank']::after {
  width: 1em;
  height: 1em;
  margin-inline-start: 0.5em;
}

p a:not(.hero-cta-primary):hover,
li a:not(:where(.sidebar-link, .nav-link, .solution-card-link)):hover {
  text-decoration-thickness: 2px;
}

/* ===== DISABLED STATES ===== */
.btn:disabled,
.btn[aria-disabled='true'],
button:disabled,
button[aria-disabled='true'] {
  opacity: var(--opacity-50);
  cursor: not-allowed;
  pointer-events: none;
  filter: grayscale(50%);
  background-color: var(--color-hover);
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  opacity: var(--opacity-60);
  cursor: not-allowed;
  background-color: var(--color-hover);
  color: var(--color-text-secondary);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Main Content */
main {
  padding-top: 0;
}

/* Screen Reader Only - Hide visually but keep accessible */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border-width: 0;
}

/* External links: announce new tab to screen readers */
a[target='_blank']::after {
  content: ' (opens in new tab)';
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border-width: 0;
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0;
  inset-inline: 0;
  background-color: var(--color-bg-alt);
  z-index: var(--z-fixed); /* Fixed navigation layer */
  transform: translateY(0);
  transition:
    transform var(--transition-duration-slow) ease,
    opacity var(--transition-duration-slow) ease;
}

.nav.nav-hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.nav.nav-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.nav-container {
  width: 100%;
  padding: 0 var(--space-4);
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  gap: var(--space-4);
  height: var(--nav-height);
}

.nav-brand {
  display: flex;
  align-items: center;
  cursor: pointer;
  min-height: 2.25rem;
  padding: 0;
  justify-content: flex-start;
  justify-self: start;
  width: auto;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-6);
  justify-self: center;
}

.nav-link {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-duration-base) ease;
}

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

.nav-link:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  grid-column: 4 / 6;
  justify-self: end;
}

.hamburger-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-duration-base) ease;
}

.hamburger-btn:hover {
  background-color: var(--color-interactive-hover);
}

.hamburger-btn:active {
  background-color: var(--color-interactive-active);
  transform: scale(0.95);
}

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

.hamburger-icon {
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
  position: relative;
  display: block;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 2px;
  background-color: var(--color-text);
  left: 0;
}

.hamburger-icon::before {
  top: calc(-1 * var(--space-1));
}

.hamburger-icon::after {
  top: var(--space-1);
}

.nav-brand .logo {
  height: 2rem;
  width: auto;
}

.nav-icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
}

.logo-icon {
  width: 2.25rem;
  height: 2.25rem;
  display: block;
}

.nav-wordmark {
  display: inline-flex;
  align-items: center;
  height: 2.25rem;
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--color-text);
  text-transform: lowercase;
  transform: translateY(0);
}

@media (max-width: 48rem) {
  .nav-container {
    gap: var(--space-2);
  }

  .nav-right {
    gap: var(--space-2);
  }

  .nav-brand .logo {
    object-fit: contain;
  }
}

.nav-brand:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.search-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-preferred);
  height: var(--touch-target-preferred);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-duration-base) ease;
}

.search-btn:hover {
  background-color: var(--color-interactive-hover);
  opacity: 1;
}

.search-btn:active {
  background-color: var(--color-interactive-active);
  transform: scale(0.95);
}

.search-btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.language-selector {
  display: flex;
  align-items: center;
  position: relative;
}

.language-trigger-icon {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-preferred);
  height: var(--touch-target-preferred);
  border-radius: 0;
}

.language-trigger-icon:hover {
  background-color: var(--color-interactive-hover);
  opacity: 1;
  border-radius: var(--radius-sm);
}

.language-trigger-icon:active {
  background-color: var(--color-interactive-active);
  transform: scale(0.95);
}

.language-trigger-icon:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Theme toggle button */
.theme-toggle-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--space-3);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-preferred);
  height: var(--touch-target-preferred);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-duration-base) ease;
}

.theme-toggle-btn:hover {
  background-color: var(--color-interactive-hover);
}

.theme-toggle-btn:active {
  background-color: var(--color-interactive-active);
  transform: scale(0.95);
}

.theme-toggle-btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.nav-cta-btn {
  display: none;
  text-decoration: none;
  color: #fff;
  background: var(--color-brand-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  white-space: nowrap;
  transition: opacity var(--transition-duration-base) ease;
}

.nav-cta-btn:hover {
  opacity: 0.9;
}

@media (min-width: 64rem) {
  .nav-cta-btn {
    display: flex;
    align-items: center;
  }
}

.login-btn {
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  padding: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  height: var(--touch-target-preferred);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  cursor: pointer;
  transition:
    opacity var(--transition-duration-base) ease,
    background-color var(--transition-duration-base) ease;
}

.login-btn:hover {
  opacity: var(--opacity-70);
  background-color: var(--color-interactive-hover);
}

.login-btn:active {
  opacity: var(--opacity-60);
  transform: scale(0.98);
  background-color: var(--color-interactive-active);
}

.login-btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Desktop: show inline nav links, hide hamburger */
@media (min-width: 64rem) {
  .nav-links {
    display: flex;
  }

  .hamburger-btn {
    display: none;
  }

  .nav-container {
    grid-template-columns: auto auto 1fr auto;
  }

  .nav-right {
    grid-column: auto;
  }
}

/* ===== SIDEBAR ===== */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background-color: transparent;
  z-index: calc(var(--z-modal) - 1);
  pointer-events: none;
  transition: background-color var(--transition-duration-slow) ease;
}

.sidebar-overlay-visible {
  background-color: rgba(0, 0, 0, var(--opacity-50));
  pointer-events: auto;
}

.sidebar {
  position: fixed;
  top: 0;
  inset-inline-start: 0;
  bottom: 0;
  width: 100%;
  background-color: var(--color-bg-alt);
  z-index: var(--z-modal); /* Overlay layer - same as modals */
  transform: translateX(-100%);
  transition: transform var(--transition-duration-slow) ease;
  padding: var(--space-8) var(--space-10);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
  display: flex;
  flex-direction: column;
  justify-content: safe center;
}

/* Mobile sidebar adjustment */
@media (max-width: 30rem) {
  /* 480px - smartphones */
  .sidebar {
    padding: var(--space-6) var(--space-8);
  }
}

.sidebar-open {
  transform: translateX(0);
}

/* RTL: sidebar slides from the inline-end (right) side */
[dir='rtl'] .sidebar {
  transform: translateX(100%);
}

[dir='rtl'] .sidebar-open {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-4);
}

.sidebar-close-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-duration-base) ease;
}

.sidebar-close-btn:hover {
  background-color: var(--color-interactive-hover);
  color: var(--color-text);
}

.sidebar-close-btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.sidebar-link {
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  line-height: var(--leading-normal);
}

.sidebar-link:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sidebar-link.active,
.sidebar-link[aria-current='page'] {
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-semibold);
}

/* ===== SIDEBAR SOLUTIONS ACCORDION ===== */
.sidebar-solutions-group {
  display: flex;
  flex-direction: column;
}

.sidebar-solutions-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  font-family: inherit;
  line-height: var(--leading-normal);
  text-align: start;
  transition: color var(--transition-duration-base);
}

.sidebar-solutions-toggle:hover {
  color: var(--color-brand-primary);
}

.sidebar-solutions-toggle:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.sidebar-solutions-toggle.has-active-child {
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-semibold);
}

.sidebar-solutions-chevron {
  flex-shrink: 0;
  margin-inline-start: var(--space-2);
  transition: transform var(--transition-duration-base) ease;
  transform: rotate(-90deg);
}

.sidebar-solutions-chevron.expanded {
  transform: rotate(0deg);
}

[dir='rtl'] .sidebar-solutions-chevron {
  transform: rotate(90deg);
}
[dir='rtl'] .sidebar-solutions-chevron.expanded {
  transform: rotate(0deg);
}

.sidebar-solutions-list {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height var(--transition-duration-slow) ease,
    opacity var(--transition-duration-base) ease;
}

.sidebar-solutions-list.expanded {
  max-height: 2000px;
  opacity: 1;
}

.sidebar-sublink {
  margin-inline-start: var(--space-6);
  font-size: var(--font-size-sm) !important;
  padding-block: var(--space-1);
}

.sidebar-category-group {
  list-style: none;
}

.sidebar-category-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-category-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: var(--space-4);
  margin-top: var(--space-4);
  margin-bottom: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-category-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

.sidebar-category-group:first-child .sidebar-category-label {
  margin-top: var(--space-4);
}

.sidebar-category-group + .sidebar-category-group .sidebar-category-label {
  margin-top: var(--space-4);
}

/* Persona links group */
.sidebar-personas-group {
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-subtle);
}

.sidebar-personas-label {
  display: block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-2);
}

.sidebar-persona-link {
  font-size: var(--font-size-sm);
}

@media (prefers-reduced-motion: reduce) {
  .sidebar-solutions-chevron,
  .sidebar-solutions-list {
    transition: none;
  }
}

/* Shift content when sidebar opens */
/* REMOVED: margin-left transition causes expensive layout reflow */
/* Sidebar now overlays content instead of pushing it */
/* This improves performance and prevents layout shift */

/* Section Background Utilities */
.section-light {
  background: var(--color-bg-light);
  color: var(--color-text);
}

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

/* ===== INSTALL WIDGET ===== */
.install-widget {
  max-width: 600px;
  margin: 0 auto var(--space-10);
  width: 100%;
}

.install-tabs {
  display: flex;
  gap: 0;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  padding: var(--space-1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-bottom: none;
}

.install-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  font-family: inherit;
  cursor: pointer;
  transition:
    color var(--transition-duration-base) ease,
    background-color var(--transition-duration-base) ease;
}

.install-tab:hover {
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.06);
}

.install-tab--active {
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.12);
}

.install-tab:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: -2px;
  border-radius: var(--radius-sm);
}

.install-tab svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.install-command {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: var(--space-3) var(--space-4);
  overflow: hidden;
}

.install-code {
  flex: 1;
  min-width: 0;
  font-family: var(
    --font-mono,
    'SFMono-Regular',
    'Consolas',
    'Liberation Mono',
    'Menlo',
    monospace
  );
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  -webkit-overflow-scrolling: touch;
}

.install-code::-webkit-scrollbar {
  height: 4px;
}

.install-code::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 2px;
}

.install-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition:
    color var(--transition-duration-base) ease,
    background-color var(--transition-duration-base) ease,
    border-color var(--transition-duration-base) ease;
}

.install-copy-btn:hover {
  color: rgba(255, 255, 255, 0.95);
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.25);
}

.install-copy-btn:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.install-copy-btn--copied {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.install-copy-btn--copied:hover {
  background: var(--color-success);
  border-color: var(--color-success);
  color: white;
}

.install-alt-methods {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
}

.install-alt-methods a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color var(--transition-duration-base) ease;
}

.install-alt-methods a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.install-alt-methods a:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.8);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.install-alt-sep {
  color: rgba(255, 255, 255, 0.3);
}

/* Install widget responsive: tablet */
@media (max-width: 48rem) {
  .install-widget {
    max-width: 100%;
  }

  .install-tab {
    font-size: var(--font-size-xs);
    padding: var(--space-2) var(--space-3);
  }

  .install-code {
    font-size: 13px;
  }
}

/* Install widget responsive: small mobile */
@media (max-width: 23.4375rem) {
  .install-tab-label {
    display: none;
  }

  .install-tab {
    padding: var(--space-2);
  }

  .install-code {
    font-size: 12px;
  }

  .install-alt-methods {
    flex-wrap: wrap;
  }
}

/* ===== LOGO WALL ===== */
.logo-wall {
  padding: var(--space-8) 0;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.logo-wall .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.logo-wall-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.logo-wall-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}

.logo-wall-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg);
  white-space: nowrap;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4) var(--space-8);
  min-height: var(--touch-target-preferred);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-normal);
  text-decoration: none;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-full);
  background-color: var(--color-text);
  color: var(--color-bg-alt);
  transition:
    opacity var(--transition-duration-base) ease,
    transform var(--transition-duration-fast) ease,
    box-shadow var(--transition-duration-base) ease;
}

.btn:hover {
  opacity: var(--opacity-80);
}

.btn:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-full);
}

.btn:active,
.btn[aria-pressed='true'] {
  transform: scale(0.98);
  opacity: var(--opacity-75);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, var(--opacity-20));
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-brand-primary) 0%,
    var(--color-brand-secondary) 100%
  );
  color: white;
  border: none;
}

.btn-primary:hover {
  background: linear-gradient(
    135deg,
    var(--color-brand-secondary) 0%,
    var(--color-brand-dark) 100%
  );
  opacity: 1;
}

.btn-primary:active,
.btn-primary[aria-pressed='true'] {
  background: linear-gradient(135deg, var(--color-brand-dark) 0%, var(--color-brand-dark) 100%);
  transform: scale(0.98);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, var(--opacity-30));
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.hero-dark .btn-secondary {
  color: white;
  border: 2px solid white;
}

.hero-dark .btn-secondary:hover {
  background-color: rgba(255, 255, 255, var(--opacity-10));
  opacity: 1;
}

.btn-secondary:active,
.btn-secondary[aria-pressed='true'] {
  transform: scale(0.98);
  background-color: var(--color-interactive-hover);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, var(--opacity-15));
}

.hero-dark .btn-secondary:active,
.hero-dark .btn-secondary[aria-pressed='true'] {
  background-color: rgba(255, 255, 255, var(--opacity-15));
}

.btn-full {
  width: 100%;
}

/* ===== SECTIONS ===== */
.problem,
.solutions,
.testimonials,
.closing-cta {
  content-visibility: auto;
  contain-intrinsic-size: auto 600px;
}

.problem,
.solutions {
  padding: var(--space-8) 0;
}

.problem {
  background-color: rgba(220, 53, 69, 0.03);
}

.solutions {
  background-color: rgba(85, 107, 47, 0.03);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
  max-width: 900px;
  margin-inline: auto;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-6);
  color: var(--color-text);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  max-width: var(--container-md);
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* ===== PROBLEM SECTION ===== */
.problem-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.problem-illustration {
  width: 100%;
}

.problem-illustration .image-button {
  display: block;
  width: 100%;
}

.scenario-image {
  width: 100%;
  height: auto;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  transition: box-shadow 0.2s ease;
}

.scenario-image:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

@media (hover: none) and (pointer: coarse) {
  .problem-illustration .image-button::after,
  .solution-illustration .image-button::after {
    content: '\2922';
    position: absolute;
    bottom: var(--space-3);
    inset-inline-end: var(--space-3);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: var(--font-size-base);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    pointer-events: none;
  }
}

/* ===== SECTION BRIDGE ===== */
/* ===== SOLUTIONS SECTION ===== */
.solution-illustration {
  width: 100%;
  margin-top: var(--space-12);
}

.solution-illustration .image-button {
  display: block;
  width: 100%;
}

.solutions-categories {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.solutions-category-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--font-size-sm);
}

.solutions-category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.solution-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  transition:
    transform var(--transition-duration-slow) ease,
    box-shadow var(--transition-duration-slow) ease;
}

.solution-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-text);
  line-height: var(--leading-snug);
  overflow-wrap: break-word;
  word-break: normal;
}

.solution-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-4);
  line-height: var(--leading-normal);
  flex: 1;
}

.solution-card-link {
  text-decoration: none;
  cursor: pointer;
}

@media (hover: hover) {
  .solution-card-link:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, var(--opacity-12));
    border-color: var(--color-brand-primary);
  }

  .solution-card-link:hover .learn-more-link {
    opacity: var(--opacity-70);
  }

  .solution-card-link:hover .learn-more-link svg {
    transform: translateX(4px);
  }
}

.solution-card-link:active {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, var(--opacity-10));
}

.solution-card-link:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.solution-card-footer {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  width: 100%;
  max-width: var(--container-xs);
}

.learn-more-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  transition: opacity var(--transition-duration-base) ease;
}

.learn-more-link svg {
  transition: transform var(--transition-duration-base) ease;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  padding: var(--space-12) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--space-6);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  border-left: 4px solid var(--color-brand-primary);
}

.testimonial-quote {
  font-size: var(--font-size-base);
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-6) 0;
}

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

.testimonial-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-brand-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.testimonial-avatar-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.testimonial-meta {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.testimonial-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.testimonial-role {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.testimonial-name + .testimonial-role {
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
}

.testimonial-card--featured {
  grid-column: 1 / -1;
  padding: var(--space-8);
}

.testimonial-card--featured .testimonial-quote {
  font-size: var(--font-size-lg);
}

.testimonial-card--team {
  border-left: 3px solid var(--color-primary, #6366f1);
}

.testimonial-team-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.testimonial-team-photo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-name {
  display: block;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-heading);
}

@media (max-width: 40rem) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 40.0625rem) and (max-width: 60.5rem) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== FEATURE SHOWCASE ===== */
.feature-showcase {
  padding: var(--space-16) 0;
}

.feature-tabs {
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-8);
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-6);
}

.feature-tab-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.feature-tab {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3) var(--space-4);
  text-align: left;
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.feature-tab-icon {
  flex-shrink: 0;
  opacity: 0.7;
}

.feature-tab:hover {
  background: var(--color-bg-alt);
  color: var(--color-text);
}

.feature-tab--active {
  background: var(--color-bg-alt);
  border-color: var(--color-brand-primary);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.feature-tab-panel {
  padding: var(--space-6);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.feature-tab-panel h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-4);
}

.feature-tab-panel p {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0 0 var(--space-4);
}

.feature-tab-media {
  min-width: 0;
}

.feature-tab-solutions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.feature-tab-solution-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: background-color var(--transition-duration-fast) ease;
}

.feature-tab-solution-link:hover {
  background-color: var(--color-hover);
  color: var(--color-text);
}

.feature-tab-solution-link span {
  color: var(--color-text-secondary);
  font-size: var(--font-size-xs);
}

@media (max-width: 48rem) {
  .feature-tabs {
    grid-template-columns: 1fr;
  }
  .feature-tab-list {
    flex-direction: row;
    overflow-x: auto;
    gap: var(--space-2);
    padding-bottom: var(--space-2);
  }
  .feature-tab {
    white-space: nowrap;
    min-width: max-content;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
  }
}

/* ===== TERMINAL TUTORIAL PLAYER ===== */
.terminal-tutorial {
  margin: var(--space-6) 0;
  position: relative;
  z-index: 4;
  --terminal-player-layer-controls: 22;
  --terminal-player-layer-caption: 26;
}

.terminal-tutorial-header {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.terminal-tutorial-layout {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #1a1a2e;
  position: relative;
  isolation: isolate;
}

.terminal-tutorial-player {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

.terminal-tutorial-player-inner {
  flex: 1;
  min-height: 400px;
}

.terminal-tutorial-player-inner .ap-player {
  overflow: visible;
  position: relative;
  max-width: 100%;
  z-index: 1;
}

.terminal-tutorial-player-inner .ap-wrapper {
  width: 100%;
  max-width: 100%;
}

.terminal-tutorial-player-inner .ap-control-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2rem;
  justify-content: flex-start;
  background: transparent;
  border-top: 0;
  z-index: var(--terminal-player-layer-controls);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease !important;
}

.terminal-tutorial.is-ui-visible .terminal-tutorial-player-inner .ap-control-bar {
  opacity: 1 !important;
  transform: translateY(0);
}

.terminal-tutorial.is-playing.is-ui-hidden .terminal-tutorial-player-inner .ap-control-bar {
  opacity: 0 !important;
  transform: translateY(140%);
  pointer-events: none;
}

.terminal-tutorial-player-inner .ap-control-bar .terminal-player-inline-volume-host,
.terminal-tutorial-player-inner .ap-control-bar .terminal-player-inline-cc-host,
.terminal-tutorial-player-inner .ap-control-bar .terminal-player-inline-playback-host {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-left: 0.5rem;
  padding-right: 0.35rem;
}

.terminal-tutorial-player-inner .ap-control-bar .ap-playback-button {
  display: none !important;
}

.terminal-tutorial-player-inner .ap-overlay-start {
  display: none !important;
}

.terminal-player-guided-toggle {
  border: 0;
  background: transparent;
  color: rgba(247, 247, 247, 0.95);
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 0.22rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  opacity: 0.95;
  transition:
    background-color 0.15s ease,
    color 0.15s ease,
    opacity 0.15s ease;
}

.terminal-player-guided-toggle:hover,
.terminal-player-guided-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
  opacity: 1;
}

.terminal-player-guided-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
}

.terminal-player-audio-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.terminal-player-audio-icon-btn {
  border: 0;
  background: transparent;
  color: rgba(247, 247, 247, 0.95);
  width: 1.65rem;
  height: 1.65rem;
  border-radius: 0.22rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  opacity: 0.95;
  transition:
    background-color 0.15s ease,
    color 0.15s ease,
    opacity 0.15s ease;
}

.terminal-player-audio-icon-btn:hover,
.terminal-player-audio-icon-btn:focus-visible {
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
  opacity: 1;
}

.terminal-player-audio-icon-btn svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
}

.terminal-player-audio-volume-wrap {
  display: inline-flex;
  align-items: center;
  min-width: 1.65rem;
}

.terminal-player-audio-slider-wrap {
  display: inline-flex;
  align-items: center;
  width: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  margin-left: 0;
  transition:
    width 0.18s ease,
    opacity 0.18s ease,
    margin-left 0.18s ease;
}

.terminal-player-audio-volume-wrap:hover .terminal-player-audio-slider-wrap,
.terminal-player-audio-volume-wrap:focus-within .terminal-player-audio-slider-wrap {
  width: 5.8rem;
  opacity: 1;
  pointer-events: auto;
  margin-left: 0.32rem;
}

.terminal-player-audio-slider-wrap input[type='range'] {
  width: 100%;
  accent-color: #fff;
}

.terminal-player-audio-cc-btn {
  min-width: 2rem;
  width: auto;
  padding: 0 0.38rem;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: rgba(247, 247, 247, 0.86);
}

.terminal-player-audio-cc-btn.is-active {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.terminal-player-caption-layer {
  position: absolute;
  left: 50%;
  bottom: 2.35rem;
  transform: translateX(-50%);
  width: min(86%, 60rem);
  z-index: var(--terminal-player-layer-caption);
  pointer-events: none;
  opacity: 1;
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.terminal-player-caption-layer--fullscreen {
  position: fixed;
  left: 50%;
  bottom: 2.35rem;
  transform: translateX(-50%);
  width: min(88vw, 96rem);
  z-index: 9999;
}

.terminal-player-caption-text {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  width: fit-content;
  max-width: 100%;
  margin: 0 auto;
  padding: 0.22rem 0.56rem;
  border-radius: 0.24rem;
  background: rgba(0, 0, 0, 0.76);
  color: #fff;
  font-size: clamp(0.82rem, 1vw, 1rem);
  font-weight: 500;
  line-height: 1.3;
  text-align: center;
  text-wrap: pretty;
}

.terminal-player-caption-layer--fullscreen .terminal-player-caption-text {
  font-size: clamp(1rem, 1.8vw, 1.55rem);
  line-height: 1.35;
  padding: clamp(0.3rem, 0.45vw, 0.52rem) clamp(0.65rem, 1vw, 1.05rem);
  border-radius: clamp(0.24rem, 0.4vw, 0.45rem);
}

.terminal-player-caption-text.is-active-sentence-mode {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
}

.terminal-player-caption-word {
  border-radius: 0.16rem;
  transition:
    background-color 0.08s ease,
    color 0.08s ease;
}

.terminal-player-caption-word.is-active {
  background: #ffd84d;
  color: #151515;
  box-shadow: 0 0 0 1px rgba(255, 216, 77, 0.45);
}

@media (max-width: 900px) {
  .terminal-player-audio-volume-wrap:hover .terminal-player-audio-slider-wrap,
  .terminal-player-audio-volume-wrap:focus-within .terminal-player-audio-slider-wrap {
    width: 4.1rem;
  }

  .terminal-player-caption-layer {
    width: min(92%, 32rem);
    bottom: 2.4rem;
  }

  .terminal-player-caption-text {
    font-size: clamp(0.76rem, 2.7vw, 0.92rem);
  }
}

/* ===== BEFORE/AFTER ===== */
.before-after {
  padding: var(--space-16) 0;
  background: var(--color-bg-alt);
}

.before-after-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.before-after-card {
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-subtle);
}

.before-after-card--before {
  background: rgba(220, 53, 69, 0.04);
  border-color: rgba(220, 53, 69, 0.15);
}

.before-after-card--after {
  background: rgba(85, 107, 47, 0.04);
  border-color: rgba(85, 107, 47, 0.15);
}

.before-after-card h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--space-6);
}

.before-after-card--before h3 {
  color: #dc3545;
}

.before-after-card--after h3 {
  color: var(--color-brand-primary);
}

.before-after-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.before-after-card li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.before-after-card li::before {
  content: '';
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 0.5em;
}

.before-after-card--before li::before {
  background: rgba(220, 53, 69, 0.4);
}

.before-after-card--after li::before {
  background: rgba(85, 107, 47, 0.6);
}

@media (max-width: 48rem) {
  .before-after-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== METRICS BAR ===== */
.metrics-bar {
  padding: var(--space-12) 0;
}

.metrics-bar-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-8);
  text-align: center;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.metric-number {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
  font-family: var(--font-mono);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 48rem) {
  .metrics-bar-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 30rem) {
  .metrics-bar-inner {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

/* ===== INTEGRATIONS STRIP ===== */
.integrations-strip {
  padding: var(--space-12) 0;
  background: var(--color-bg-alt);
}

.integrations-strip-title {
  text-align: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-8);
}

.integrations-strip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.integrations-strip-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
}

/* ===== PRICING PREVIEW ===== */
.pricing-preview-compare {
  display: block;
  text-align: center;
  margin-top: var(--space-8);
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  font-size: var(--font-size-base);
}

.pricing-preview-compare:hover {
  text-decoration: underline;
}

.cf-guarantee-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg, 12px);
  background: var(--color-bg-alt, rgba(255, 255, 255, 0.04));
}

.cf-guarantee-photo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.cf-guarantee-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted, #a0a0a0);
  line-height: 1.5;
  margin: 0;
}

a.cf-guarantee-link {
  text-decoration: none;
  transition: opacity var(--transition-duration-base);
}

a.cf-guarantee-link:hover {
  opacity: 0.8;
}

/* ===== ANNOUNCEMENT BAR ===== */
.announcement-bar {
  background: var(--color-brand-primary);
  padding: var(--space-2) var(--space-4);
  text-align: center;
}

.announcement-bar a {
  color: white;
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.announcement-bar a:hover {
  text-decoration: underline;
}

.announcement-bar-arrow {
  margin-left: var(--space-2);
}

/* ===== CLOSING CTA SECTION ===== */
.closing-cta {
  padding: var(--space-16) 0;
}

.closing-cta-inner {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

.closing-cta-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  text-wrap: balance;
}

.closing-cta-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  text-wrap: balance;
}

.closing-cta-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (max-width: 30rem) {
  .closing-cta-actions {
    flex-direction: column;
    width: 100%;
  }
}

/* ===== VIDEO PLAYER SECTION ===== */
.video-player {
  min-height: var(--section-min-height);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) 0;
  background-color: var(--color-bg-alt);
}

.video-container {
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-4);
  width: 100%;
}

.video-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--color-bg-dark);
  border-radius: var(--radius-md);
  overflow: clip;
  margin-top: var(--space-8);
}

.video-element {
  width: 100%;
  height: 100%;
  border: none;
  outline: none;
}

.form-notice {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-info-bg);
  border: 1px solid var(--color-info-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
}

.form-notice-icon {
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.form-notice-content {
  flex: 1;
}

.form-notice-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.form-notice-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.form-notice-email {
  color: var(--color-link-blue);
  text-decoration: none;
}

.form-notice-email:hover {
  text-decoration: underline;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

/* Required field indicator - applied via i18n labels containing "*" */

.form-input,
.form-select,
.form-textarea {
  padding: var(--space-3);
  min-height: var(--touch-target-min);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-bg-alt);
  color: var(--color-text);
  caret-color: var(--color-brand-primary);
  transition:
    border-color var(--transition-duration-base) ease,
    box-shadow var(--transition-duration-base) ease;
}

/* Form placeholder styling */
.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-secondary);
  opacity: var(--opacity-70);
}

.form-input:focus-visible::placeholder,
.form-textarea:focus-visible::placeholder {
  opacity: var(--opacity-50);
}

.form-input:focus-visible,
.form-select:focus-visible,
.form-textarea:focus-visible {
  outline: none;
  border-color: var(--color-brand-primary);
  box-shadow: 0 0 0 3px rgba(85, 107, 47, var(--opacity-10));
}

.form-input:active,
.form-select:active,
.form-textarea:active {
  border-color: var(--color-brand-dark);
}

.form-textarea {
  min-height: 7.5rem;
  resize: vertical;
}

/* Form Error Styles - Visible error indication */
.form-error {
  display: none;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-1);
  font-weight: var(--font-weight-medium);
}

.form-error:not(:empty) {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.form-error::before {
  content: '⚠';
  flex-shrink: 0;
  font-size: var(--font-size-base);
}

.form-input:invalid:not(:placeholder-shown),
.form-input.error {
  border-color: var(--color-error);
  border-width: 2px;
}

.form-input:invalid:not(:placeholder-shown):focus-visible,
.form-input.error:focus-visible {
  outline-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, var(--opacity-10));
}

.form-input:valid:not(:placeholder-shown) {
  border-color: var(--color-success);
  border-width: 2px;
}

.form-input:valid:not(:placeholder-shown):focus-visible {
  outline-color: var(--color-success);
  box-shadow: 0 0 0 3px var(--color-success-light);
}

/* aria-invalid styling for all form fields */
.form-input[aria-invalid='true'],
.form-select[aria-invalid='true'],
.form-textarea[aria-invalid='true'] {
  border-color: var(--color-error);
  border-width: 2px;
}

.form-input[aria-invalid='true']:focus-visible,
.form-select[aria-invalid='true']:focus-visible,
.form-textarea[aria-invalid='true']:focus-visible {
  outline-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, var(--opacity-10));
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-bg-alt);
  padding: var(--space-20) 0 var(--space-8);
}

.footer-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-16);
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo-column {
  align-self: start;
}

.footer-logo-link {
  display: inline-block;
  transition: opacity var(--transition-duration-base) ease;
}

.footer-logo-link:hover {
  opacity: var(--opacity-70);
}

.footer-logo-icon {
  width: 48px;
  height: 48px;
  display: block;
}

.footer-founder {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: color 0.15s ease;
}

.footer-founder:hover {
  color: var(--color-text);
}

.footer-founder-photo {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.footer-founder-name {
  font-size: var(--font-size-xs);
  line-height: 1;
  white-space: nowrap;
}

.footer-nav {
  gap: var(--space-3);
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.footer-heading {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-2);
}

.footer-link {
  text-decoration: none;
  color: var(--color-text);
  font-size: var(--font-size-base);
  transition: opacity var(--transition-duration-base) ease;
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) 0;
  min-height: var(--touch-target-min);
  line-height: var(--leading-relaxed);
}

.footer-link:hover {
  opacity: var(--opacity-70);
}

.footer-link:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.footer-social-link:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom-left {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.footer-social {
  display: flex;
  gap: var(--space-4);
}

.footer-social-link {
  color: var(--color-text);
  transition: opacity var(--transition-duration-base) ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3);
  min-width: var(--touch-target-preferred);
  min-height: var(--touch-target-preferred);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.footer-social-link:hover {
  opacity: var(--opacity-70);
  background-color: var(--color-interactive-hover);
}

.footer-social-link:active {
  transform: scale(0.95);
  background-color: var(--color-interactive-active);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.footer-version {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  opacity: 0.7;
  margin-top: 0.25rem;
}

.footer-bottom-right {
  display: flex;
  gap: var(--space-4);
}

.footer-legal-disclosure {
  margin-top: var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  line-height: var(--leading-relaxed);
}

.footer-legal-disclosure p {
  margin: 0;
}

/* ===== UTILITY CLASSES ===== */
.clickable-image {
  cursor: pointer;
  transition: opacity var(--transition-duration-base) ease;
}

.clickable-image:hover {
  opacity: var(--opacity-90);
}

.clickable-image[role='button']:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.clickable-image[role='button']:active {
  transform: scale(0.98);
  opacity: var(--opacity-90);
}

/* Image button wrapper - accessible button element wrapping images */
.image-button {
  display: inline-block;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  font: inherit;
  line-height: var(--leading-tight);
}

.image-button:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.image-button:active {
  transform: scale(0.98);
}

/* ===== MODAL & MESSAGE STYLES ===== */
.message-overlay,
.image-modal {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, var(--opacity-60));
  backdrop-filter: blur(2px);
  z-index: var(--z-toast); /* Critical modals - highest priority */
  align-items: center;
  justify-content: center;
}

.message-overlay[aria-hidden='false'],
.image-modal[aria-hidden='false'] {
  display: flex;
}

.message-content,
.image-modal-content {
  background-color: var(--color-bg-alt);
  padding: var(--space-8);
  max-width: 500px;
  width: 90%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.message-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-4);
}

.message-text {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.message-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--touch-target-preferred);
  height: var(--touch-target-preferred);
  margin: 0 auto var(--space-4);
  border-radius: var(--radius-full);
}

.message-icon.success {
  background-color: rgba(85, 107, 47, var(--opacity-10));
  color: var(--color-brand-primary);
}

.message-icon.error {
  background-color: var(--color-error-light);
  color: var(--color-error);
}

.image-modal-content {
  width: calc(100vw - var(--space-16));
  height: calc(100vh - var(--space-16));
  max-width: none;
  max-height: none;
  position: relative;
  display: flex;
  flex-direction: column;
}

.image-modal-close {
  position: absolute;
  top: var(--space-2);
  inset-inline-end: var(--space-2);
  background: var(--color-bg-alt);
  border: none;
  font-size: var(--font-size-2xl);
  cursor: pointer;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-dropdown); /* Relative stacking within modal */
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-duration-base);
}

.image-modal-close:hover {
  background-color: var(--color-hover);
}

.image-modal-close:focus-visible {
  outline: 3px solid var(--color-brand-primary);
  outline-offset: 2px;
}

.nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  width: var(--touch-target-preferred);
  height: var(--touch-target-preferred);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-dropdown);
  border-radius: var(--radius-sm);
  transition:
    background-color var(--transition-duration-base),
    border-color var(--transition-duration-base);
  color: var(--color-text);
}

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

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

.nav-prev {
  inset-inline-start: var(--space-4);
}

.nav-next {
  inset-inline-end: var(--space-4);
}

.zoom-controls {
  position: absolute;
  bottom: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-2);
  z-index: var(--z-dropdown);
}

.zoom-btn {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-size: var(--font-size-xl);
  cursor: pointer;
  width: var(--touch-target-min);
  height: var(--touch-target-min);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition:
    background-color var(--transition-duration-base),
    border-color var(--transition-duration-base);
  color: var(--color-text);
}

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

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

.image-container {
  overflow: clip;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
}

.image-indicator {
  position: absolute;
  top: var(--space-2);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, var(--opacity-60));
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  z-index: var(--z-dropdown);
}

.modal-image {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-duration-base);
  will-change: transform;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

@media (min-width: 64rem) {
  /* 1024px - respects user font size */
  .hero-title {
    font-size: 3.5rem;
  }

  .hero-subtitle {
    font-size: 1.375rem;
  }

  .section-title {
    font-size: var(--font-size-4xl);
  }

  .section-subtitle {
    font-size: 1.25rem;
  }

  .solution-card {
    padding: var(--space-8);
  }
}

@media (min-width: 90rem) {
  /* 1440px - respects user font size */
  .hero-title {
    font-size: 4rem;
  }

  .hero-subtitle {
    font-size: var(--font-size-xl);
  }

  .section-title {
    font-size: 3.25rem;
  }

  .solution-card {
    padding: var(--space-8);
  }
}

@media (max-width: 60.5rem) {
  /* 968px - respects user font size */
  .solutions-category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .solutions-categories {
    padding: 0 var(--space-4);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 var(--space-4);
  }
}

@media (max-width: 40rem) {
  /* 640px */
  .solutions-category-grid {
    grid-template-columns: 1fr;
  }

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

/* ===== SCROLL REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children in grids */
.reveal-stagger > .reveal:nth-child(1) {
  transition-delay: 0s;
}
.reveal-stagger > .reveal:nth-child(2) {
  transition-delay: 0.1s;
}
.reveal-stagger > .reveal:nth-child(3) {
  transition-delay: 0.15s;
}
.reveal-stagger > .reveal:nth-child(4) {
  transition-delay: 0.2s;
}
.reveal-stagger > .reveal:nth-child(5) {
  transition-delay: 0.25s;
}
.reveal-stagger > .reveal:nth-child(6) {
  transition-delay: 0.3s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* View Transitions Animations */
@keyframes fade-in {
  from {
    opacity: 0;
  }
}

@keyframes fade-out {
  to {
    opacity: 0;
  }
}

@keyframes slide-from-right {
  from {
    transform: translateX(30px);
  }
}

@keyframes slide-to-left {
  to {
    transform: translateX(-30px);
  }
}

::view-transition-old(root) {
  animation: var(--transition-duration-base) cubic-bezier(0.4, 0, 1, 1) both fade-out;
}

::view-transition-new(root) {
  animation: var(--transition-duration-base) cubic-bezier(0, 0, 0.2, 1)
    var(--transition-duration-fast) both fade-in;
}