/* ==========================================================================
   KAREER — Design System & Public Site Stylesheet
   Strictly aligned with DESIGN.md and src/core/theme.js
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Typography / Local Variable Font Faces
   -------------------------------------------------------------------------- */
@font-face {
  font-family: 'Kareer Geist';
  src: url('assets/Geist-Variable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'Kareer Geist Mono';
  src: url('assets/GeistMono-Variable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

/* --------------------------------------------------------------------------
   2. Design System Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Surfaces */
  --kr-bg-0: #080B10;
  --kr-bg-1: #0D1117;
  --kr-bg-2: #131922;
  --kr-bg-3: #1A222D;

  /* Borders */
  --kr-line: #26303D;
  --kr-line-strong: #344152;

  /* Typography Colors */
  --kr-text-1: #F2F5F7;
  --kr-text-2: #A8B2BF;
  --kr-text-3: #8995A5;

  /* Brand Signal (Restrained Chartreuse Lime) */
  --kr-signal: #A3E635;
  --kr-signal-hover: #B5F04A;
  --kr-signal-dim: rgba(163, 230, 53, 0.10);
  --kr-signal-border: rgba(163, 230, 53, 0.35);

  /* Semantic State Colors */
  --kr-info: #62C8FF;
  --kr-success: #52D98C;
  --kr-warning: #F2B84B;
  --kr-danger: #F06A6A;

  /* Shape Radii */
  --kr-radius-xs: 4px;
  --kr-radius-sm: 6px;
  --kr-radius-md: 8px;
  --kr-radius-lg: 10px;
  --kr-radius-round: 999px;

  /* Spacing Scale */
  --kr-space-1: 4px;
  --kr-space-2: 8px;
  --kr-space-3: 12px;
  --kr-space-4: 16px;
  --kr-space-5: 20px;
  --kr-space-6: 24px;
  --kr-space-8: 32px;
  --kr-space-10: 40px;
  --kr-space-12: 48px;
  --kr-space-16: 64px;
  --kr-space-20: 80px;

  /* Font Stacks */
  --kr-font: 'Kareer Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --kr-font-mono: 'Kareer Geist Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout Invariants */
  --kr-container-width: 1160px;
  --kr-header-height: 64px;
  --kr-transition-fast: 120ms cubic-bezier(0.16, 1, 0.3, 1);
  --kr-transition-normal: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--kr-font);
  background-color: var(--kr-bg-0);
  color: var(--kr-text-2);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--kr-header-height) + 24px);
  overflow-wrap: break-word;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-color: var(--kr-bg-0);
  overflow-wrap: break-word;
}

/* Themed Browser Surfaces */
::selection {
  background: rgba(163, 230, 53, 0.22);
  color: var(--kr-text-1);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--kr-line-strong) var(--kr-bg-0);
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--kr-bg-0);
}

::-webkit-scrollbar-thumb {
  background: var(--kr-line-strong);
  border-radius: var(--kr-radius-xs);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--kr-text-3);
}

:focus-visible {
  outline: 2px solid var(--kr-signal);
  outline-offset: 2px;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

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

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

/* --------------------------------------------------------------------------
   4. Typography Hierarchy
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  color: var(--kr-text-1);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  letter-spacing: -0.025em;
  margin-bottom: var(--kr-space-3);
}

h3 {
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  margin-bottom: var(--kr-space-2);
}

h4 {
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin-bottom: var(--kr-space-1);
}

p {
  color: var(--kr-text-2);
  margin-bottom: var(--kr-space-4);
  max-width: 72ch;
  font-size: 1rem;
}

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

.kr-mono {
  font-family: var(--kr-font-mono);
}

/* --------------------------------------------------------------------------
   5. Reusable Components & Utilities
   -------------------------------------------------------------------------- */
.kr-container {
  width: 100%;
  max-width: var(--kr-container-width);
  margin: 0 auto;
  padding: 0 var(--kr-space-6);
}

.kr-section {
  padding: var(--kr-space-20) 0;
  border-bottom: 1px solid var(--kr-line);
  position: relative;
}

.kr-section-header {
  margin-bottom: var(--kr-space-12);
}

.kr-section-lead {
  font-size: 1.125rem;
  color: var(--kr-text-2);
  max-width: 65ch;
  line-height: 1.6;
}

/* Buttons */
.kr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--kr-space-2);
  padding: 0.7rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--kr-radius-sm);
  transition: all var(--kr-transition-fast);
  white-space: nowrap;
  line-height: 1;
}

.kr-btn-primary {
  background: var(--kr-signal);
  color: #080B10;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.kr-btn-primary:hover {
  background: var(--kr-signal-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.kr-btn-primary:active {
  transform: translateY(0);
}

.kr-btn-secondary {
  background: var(--kr-bg-2);
  color: var(--kr-text-1);
  border: 1px solid var(--kr-line);
}

.kr-btn-secondary:hover {
  background: var(--kr-bg-3);
  border-color: var(--kr-line-strong);
  color: var(--kr-text-1);
}

.kr-btn-disabled {
  background: var(--kr-bg-2);
  color: var(--kr-text-3);
  border: 1px solid var(--kr-line);
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}

.kr-btn-small {
  padding: 0.45rem 0.75rem;
  font-size: 0.8125rem;
}

.kr-btn-tag {
  font-family: var(--kr-font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: rgba(255, 255, 255, 0.05);
  color: var(--kr-text-3);
  padding: 2px 6px;
  border-radius: var(--kr-radius-xs);
  margin-left: var(--kr-space-1);
}

/* Badges & Indicators */
.kr-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--kr-space-1);
  font-family: var(--kr-font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--kr-radius-xs);
  border: 1px solid var(--kr-line);
  background: var(--kr-bg-2);
  color: var(--kr-text-2);
  letter-spacing: 0.02em;
}

.kr-badge-lime {
  border-color: var(--kr-signal-border);
  background: var(--kr-signal-dim);
  color: var(--kr-signal);
}

.kr-badge-info {
  border-color: rgba(98, 200, 255, 0.3);
  background: rgba(98, 200, 255, 0.08);
  color: var(--kr-info);
}

.kr-badge-success {
  border-color: rgba(82, 217, 140, 0.3);
  background: rgba(82, 217, 140, 0.08);
  color: var(--kr-success);
}

.kr-badge-warning {
  border-color: rgba(242, 184, 75, 0.3);
  background: rgba(242, 184, 75, 0.08);
  color: var(--kr-warning);
}

/* --------------------------------------------------------------------------
   6. Header / Navigation
   -------------------------------------------------------------------------- */
.kr-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--kr-line);
  height: var(--kr-header-height);
}

.kr-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.kr-logo-link {
  display: flex;
  align-items: center;
  gap: var(--kr-space-3);
  font-weight: 600;
  color: var(--kr-text-1);
}

.kr-logo-img {
  height: 26px;
  width: auto;
}

.kr-nav {
  display: flex;
  align-items: center;
  gap: var(--kr-space-6);
}

.kr-nav-link {
  font-size: 0.875rem;
  color: var(--kr-text-2);
  transition: color var(--kr-transition-fast);
}

.kr-nav-link:hover {
  color: var(--kr-text-1);
}

.kr-header-actions {
  display: flex;
  align-items: center;
  gap: var(--kr-space-2);
}

.kr-mobile-toggle {
  display: none;
  padding: var(--kr-space-2);
  color: var(--kr-text-1);
}

/* --------------------------------------------------------------------------
   7. Hero Section
   -------------------------------------------------------------------------- */
.kr-hero {
  padding-top: 96px;
  padding-bottom: 96px;
  background: radial-gradient(circle at 50% -20%, rgba(163, 230, 53, 0.06) 0%, transparent 60%);
  border-bottom: 1px solid var(--kr-line);
}

.kr-hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--kr-space-6);
  max-width: 860px;
}

.kr-hero-telemetry {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--kr-space-2);
}

.kr-hero-title {
  color: var(--kr-text-1);
}

.kr-hero-lead {
  font-size: 1.25rem;
  color: var(--kr-text-2);
  line-height: 1.6;
  max-width: 68ch;
}

.kr-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--kr-space-3);
  margin-top: var(--kr-space-2);
}

.kr-hero-guarantees {
  display: flex;
  flex-wrap: wrap;
  gap: var(--kr-space-4);
  padding: var(--kr-space-6) 0 var(--kr-space-4);
  margin-top: var(--kr-space-2);
  border-top: 1px solid var(--kr-line);
  width: 100%;
}

.kr-guarantee-item {
  display: flex;
  align-items: center;
  gap: var(--kr-space-2);
  font-size: 0.8125rem;
  color: var(--kr-text-3);
  font-family: var(--kr-font-mono);
}

.kr-guarantee-item svg {
  color: var(--kr-signal);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   8. Product Visual / Flight Deck Simulation
   -------------------------------------------------------------------------- */
.kr-visual-section {
  padding: var(--kr-space-16) 0;
  border-bottom: 1px solid var(--kr-line);
  background: var(--kr-bg-0);
}

.kr-browser-frame {
  background: var(--kr-bg-1);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-lg);
  overflow: hidden;
}

.kr-browser-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--kr-space-3) var(--kr-space-4);
  background: var(--kr-bg-2);
  border-bottom: 1px solid var(--kr-line);
}

.kr-browser-dots {
  display: flex;
  gap: 6px;
}

.kr-browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--kr-line-strong);
}

.kr-browser-url {
  display: flex;
  align-items: center;
  gap: var(--kr-space-2);
  background: var(--kr-bg-0);
  padding: 4px 16px;
  border-radius: var(--kr-radius-xs);
  border: 1px solid var(--kr-line);
  font-family: var(--kr-font-mono);
  font-size: 0.75rem;
  color: var(--kr-text-3);
  max-width: 480px;
  width: 100%;
}

.kr-browser-body {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 420px;
  min-height: 480px;
  background: var(--kr-bg-0);
}

/* Simulated ATS Application Page */
.kr-sim-page {
  padding: var(--kr-space-8);
  border-right: 1px solid var(--kr-line);
  background: #0B0E14;
}

.kr-sim-ats-header {
  margin-bottom: var(--kr-space-6);
  padding-bottom: var(--kr-space-4);
  border-bottom: 1px solid var(--kr-line);
}

.kr-sim-company {
  font-size: 0.8125rem;
  color: var(--kr-text-3);
  font-family: var(--kr-font-mono);
  margin-bottom: var(--kr-space-1);
}

.kr-sim-job-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--kr-text-1);
}

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

.kr-sim-field {
  display: flex;
  flex-direction: column;
  gap: var(--kr-space-1);
}

.kr-sim-label {
  font-size: 0.8125rem;
  color: var(--kr-text-2);
  font-weight: 500;
  display: flex;
  justify-content: space-between;
}

.kr-sim-input {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-sm);
  padding: 8px 12px;
  font-size: 0.875rem;
  color: var(--kr-text-1);
  font-family: var(--kr-font);
}

.kr-sim-input.filled-verified {
  border-color: rgba(82, 217, 140, 0.4);
  background: rgba(82, 217, 140, 0.05);
}

.kr-sim-input.filled-inferred {
  border-color: rgba(242, 184, 75, 0.4);
  background: rgba(242, 184, 75, 0.05);
}

.kr-sim-field-flag {
  font-family: var(--kr-font-mono);
  font-size: 0.6875rem;
}

.kr-flag-verified {
  color: var(--kr-success);
}

.kr-flag-inferred {
  color: var(--kr-warning);
}

.kr-sim-unblocked-callout {
  margin-top: var(--kr-space-2);
  padding: var(--kr-space-3);
  background: rgba(163, 230, 53, 0.06);
  border: 1px solid rgba(163, 230, 53, 0.25);
  border-radius: var(--kr-radius-sm);
}

.kr-sim-unblocked-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kr-signal);
  display: flex;
  align-items: center;
  gap: var(--kr-space-2);
  margin-bottom: var(--kr-space-1);
  font-family: var(--kr-font-mono);
}

.kr-sim-unblocked-desc {
  font-size: 0.75rem;
  color: var(--kr-text-2);
  line-height: 1.4;
}

/* Simulated Kareer Panel Inside Page */
.kr-sim-panel {
  background: var(--kr-bg-1);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--kr-line);
}

.kr-sim-hud {
  padding: 10px 14px;
  background: var(--kr-bg-2);
  border-bottom: 1px solid var(--kr-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kr-sim-hud-left {
  display: flex;
  align-items: center;
  gap: var(--kr-space-2);
}

.kr-sim-hud-mark {
  width: 18px;
  height: 18px;
  display: block;
}

.kr-sim-hud-name {
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--kr-text-1);
}

.kr-sim-hud-telemetry {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kr-sim-model-chip {
  font-family: var(--kr-font-mono);
  font-size: 0.75rem;
  background: rgba(163, 230, 53, 0.08);
  border: 1px solid rgba(163, 230, 53, 0.25);
  color: var(--kr-signal);
  padding: 2px 6px;
  border-radius: var(--kr-radius-xs);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kr-sim-hud-badge {
  font-family: var(--kr-font-mono);
  font-size: 0.75rem;
  background: var(--kr-bg-0);
  border: 1px solid var(--kr-line);
  padding: 2px 6px;
  border-radius: var(--kr-radius-xs);
  color: var(--kr-text-2);
}

.kr-sim-panel-tabs {
  display: flex;
  background: var(--kr-bg-1);
  border-bottom: 1px solid var(--kr-line);
}

.kr-sim-tab {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 9px 4px;
  font-size: 0.75rem;
  font-family: var(--kr-font-mono);
  font-weight: 500;
  color: var(--kr-text-3);
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}

.kr-sim-tab:hover {
  color: var(--kr-text-1);
  background: var(--kr-bg-2);
}

.kr-sim-tab:focus-visible {
  outline: 2px solid var(--kr-signal);
  outline-offset: -2px;
}

.kr-sim-tab.active {
  color: var(--kr-signal);
  border-bottom-color: var(--kr-signal);
  background: rgba(163, 230, 53, 0.04);
  font-weight: 600;
}

.kr-sim-panel-body {
  padding: var(--kr-space-3) var(--kr-space-4);
  display: flex;
  flex-direction: column;
  flex: 1;
  max-height: 480px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--kr-line-strong) transparent;
}

.kr-sim-pane {
  display: none;
  flex-direction: column;
  gap: var(--kr-space-3);
}

.kr-sim-pane.active {
  display: flex;
  animation: krPaneFade 0.15s ease-out;
}

@keyframes krPaneFade {
  from { opacity: 0; transform: translateY(2px); }
  to { opacity: 1; transform: translateY(0); }
}

.kr-sim-card {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kr-sim-card-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kr-text-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kr-sim-card-desc {
  font-size: 0.75rem;
  color: var(--kr-text-3);
  line-height: 1.4;
  margin-top: -4px;
}

.kr-sim-job-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.kr-sim-job-title-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--kr-text-1);
}

.kr-sim-job-company-text {
  font-size: 0.75rem;
  color: var(--kr-text-3);
  font-family: var(--kr-font-mono);
}

.kr-sim-progress-rail {
  width: 100%;
  height: 3px;
  background: var(--kr-bg-0);
  border-radius: var(--kr-radius-round);
  overflow: hidden;
}

.kr-sim-progress-bar {
  height: 100%;
  width: 100%;
  transform-origin: left;
  transform: scaleX(0.85);
  background: var(--kr-signal);
  transition: transform 0.3s ease;
}

.kr-sim-metrics-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  font-family: var(--kr-font-mono);
  color: var(--kr-text-3);
}

.kr-sim-mini-actions {
  display: flex;
  gap: 6px;
}

.kr-sim-review-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--kr-line);
  margin-top: 2px;
}

.kr-sim-review-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--kr-line);
  font-size: 0.75rem;
}

.kr-sim-review-item:last-child {
  border-bottom: none;
}

.kr-sim-review-field {
  color: var(--kr-text-1);
  font-size: 0.75rem;
}

.kr-sim-review-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kr-sim-form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kr-sim-input-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--kr-text-2);
}

.kr-sim-input {
  background: var(--kr-bg-0);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-xs);
  padding: 6px 8px;
  font-size: 0.75rem;
  color: var(--kr-text-1);
  font-family: var(--kr-font);
  width: 100%;
  transition: border-color 0.15s ease;
}

.kr-sim-input:focus {
  border-color: var(--kr-signal);
  outline: none;
}

.kr-sim-textarea {
  background: var(--kr-bg-0);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-xs);
  padding: 6px 8px;
  font-size: 0.75rem;
  color: var(--kr-text-2);
  font-family: var(--kr-font);
  width: 100%;
  resize: vertical;
  line-height: 1.4;
}

.kr-sim-select {
  background: var(--kr-bg-0);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-xs);
  padding: 6px 8px;
  font-size: 0.75rem;
  color: var(--kr-text-1);
  font-family: var(--kr-font);
  width: 100%;
  cursor: pointer;
}

.kr-sim-select:focus {
  border-color: var(--kr-signal);
  outline: none;
}

.kr-sim-row-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.kr-sim-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--kr-line);
}

.kr-sim-toggle-row:last-child {
  border-bottom: none;
}

.kr-sim-toggle-title {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--kr-text-1);
}

.kr-sim-toggle-sub {
  font-size: 0.75rem;
  color: var(--kr-text-3);
  line-height: 1.3;
}

.kr-sim-switch {
  position: relative;
  display: inline-block;
  width: 32px;
  height: 18px;
  flex-shrink: 0;
  cursor: pointer;
}

.kr-sim-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.kr-sim-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: var(--kr-bg-3);
  border: 1px solid var(--kr-line-strong);
  transition: 0.2s;
  border-radius: 999px;
}

.kr-sim-slider:before {
  position: absolute;
  content: "";
  height: 12px;
  width: 12px;
  left: 2px;
  bottom: 2px;
  background-color: var(--kr-text-2);
  transition: 0.2s;
  border-radius: 50%;
}

.kr-sim-switch input:checked + .kr-sim-slider {
  background-color: var(--kr-signal);
  border-color: var(--kr-signal);
}

.kr-sim-switch input:checked + .kr-sim-slider:before {
  transform: translateX(14px);
  background-color: var(--kr-bg-0);
}

.kr-sim-panel-footer {
  padding: var(--kr-space-3) var(--kr-space-4);
  border-top: 1px solid var(--kr-line);
  background: var(--kr-bg-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kr-space-2);
}

.kr-sim-feedback {
  font-size: 0.6875rem;
  font-family: var(--kr-font-mono);
  color: var(--kr-signal);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.kr-sim-feedback.visible {
  opacity: 1;
}


/* --------------------------------------------------------------------------
   9. Features Grid (Side-by-side header, no stacked slop tile)
   -------------------------------------------------------------------------- */
.kr-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--kr-space-6);
}

.kr-feature-card {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
  padding: var(--kr-space-6);
  transition: all var(--kr-transition-fast);
  display: flex;
  flex-direction: column;
}

.kr-feature-card:hover {
  background: var(--kr-bg-3);
  border-color: var(--kr-line-strong);
  transform: translateY(-2px);
}

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

.kr-feature-icon {
  width: 20px;
  height: 20px;
  color: var(--kr-signal);
  flex-shrink: 0;
}

.kr-feature-title {
  font-size: 1.25rem;
  color: var(--kr-text-1);
  margin-bottom: 0;
  letter-spacing: -0.015em;
}

.kr-feature-text {
  font-size: 0.9375rem;
  color: var(--kr-text-2);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   10. Supported Sites / ATS Section
   -------------------------------------------------------------------------- */
.kr-ats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--kr-space-4);
}

.kr-ats-card {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
  padding: var(--kr-space-5);
  display: flex;
  flex-direction: column;
  gap: var(--kr-space-3);
}

.kr-ats-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.kr-ats-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--kr-text-1);
}

.kr-ats-capabilities {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.kr-ats-cap-item {
  font-size: 0.8125rem;
  color: var(--kr-text-2);
  display: flex;
  align-items: center;
  gap: var(--kr-space-2);
}

.kr-ats-cap-item svg {
  color: var(--kr-success);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   11. How It Works Section
   -------------------------------------------------------------------------- */
.kr-steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--kr-space-6);
  position: relative;
}

.kr-step-card {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
  padding: var(--kr-space-6);
  display: flex;
  flex-direction: column;
  position: relative;
}

.kr-step-badge {
  font-family: var(--kr-font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--kr-signal);
  background: var(--kr-signal-dim);
  border: 1px solid var(--kr-signal-border);
  padding: 2px 8px;
  border-radius: var(--kr-radius-xs);
  align-self: flex-start;
  margin-bottom: var(--kr-space-4);
}

.kr-step-title {
  font-size: 1.25rem;
  margin-bottom: var(--kr-space-2);
}

.kr-step-text {
  font-size: 0.875rem;
  color: var(--kr-text-2);
  line-height: 1.55;
}

/* --------------------------------------------------------------------------
   12. Privacy & Security Feature Section
   -------------------------------------------------------------------------- */
.kr-privacy-section {
  background: linear-gradient(180deg, var(--kr-bg-0) 0%, var(--kr-bg-1) 100%);
}

.kr-privacy-box {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-lg);
  padding: var(--kr-space-8);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--kr-space-8);
}

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

.kr-privacy-point {
  display: flex;
  gap: var(--kr-space-3);
}

.kr-privacy-icon {
  color: var(--kr-signal);
  flex-shrink: 0;
  margin-top: 3px;
}

.kr-privacy-point-title {
  color: var(--kr-text-1);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.kr-privacy-point-desc {
  font-size: 0.875rem;
  color: var(--kr-text-2);
  line-height: 1.5;
}

.kr-privacy-sidebar {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: var(--kr-space-6);
  background: var(--kr-bg-1);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
}

.kr-privacy-sidebar-title {
  font-size: 1.15rem;
  margin-bottom: var(--kr-space-2);
}

.kr-privacy-links {
  display: flex;
  flex-direction: column;
  gap: var(--kr-space-3);
  margin-top: var(--kr-space-4);
}

/* --------------------------------------------------------------------------
   13. Install / Browser Chooser Section
   -------------------------------------------------------------------------- */
.kr-install-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--kr-space-6);
}

.kr-install-card {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
  padding: var(--kr-space-6);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color var(--kr-transition-fast);
}

.kr-install-card:hover {
  border-color: var(--kr-line-strong);
}

.kr-install-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--kr-space-4);
}

.kr-install-browser-icon {
  width: 32px;
  height: 32px;
  color: var(--kr-text-1);
}

.kr-install-title {
  font-size: 1.25rem;
  margin-bottom: var(--kr-space-2);
}

.kr-install-text {
  font-size: 0.875rem;
  color: var(--kr-text-2);
  margin-bottom: var(--kr-space-6);
  flex: 1;
}

/* --------------------------------------------------------------------------
   14. Open Source Section
   -------------------------------------------------------------------------- */
.kr-opensource-card {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-lg);
  padding: var(--kr-space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kr-space-8);
}

.kr-opensource-actions {
  display: flex;
  align-items: center;
  gap: var(--kr-space-3);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   15. FAQ Section
   -------------------------------------------------------------------------- */
.kr-faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--kr-space-3);
  max-width: 820px;
}

.kr-faq-item {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
  overflow: hidden;
  transition: border-color var(--kr-transition-fast);
}

.kr-faq-item[open] {
  border-color: var(--kr-line-strong);
}

.kr-faq-question {
  padding: var(--kr-space-4) var(--kr-space-5);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--kr-text-1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

.kr-faq-question::-webkit-details-marker {
  display: none;
}

.kr-faq-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--kr-transition-fast);
  color: var(--kr-text-3);
}

.kr-faq-item[open] .kr-faq-icon {
  transform: rotate(180deg);
  color: var(--kr-signal);
}

.kr-faq-answer {
  padding: 0 var(--kr-space-5) var(--kr-space-5);
  color: var(--kr-text-2);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   16. Footer
   -------------------------------------------------------------------------- */
.kr-footer {
  background: var(--kr-bg-1);
  border-top: 1px solid var(--kr-line);
  padding: var(--kr-space-12) 0 var(--kr-space-8);
  margin-top: auto;
}

.kr-footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--kr-space-8);
  margin-bottom: var(--kr-space-8);
}

.kr-footer-brand {
  max-width: 320px;
}

.kr-footer-tagline {
  font-size: 0.875rem;
  color: var(--kr-text-3);
  margin-top: var(--kr-space-2);
}

.kr-footer-nav {
  display: flex;
  gap: var(--kr-space-12);
}

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

.kr-footer-col-title {
  font-family: var(--kr-font-mono);
  font-size: 0.75rem;
  color: var(--kr-text-3);
  text-transform: uppercase;
  margin-bottom: var(--kr-space-2);
}

.kr-footer-link {
  font-size: 0.875rem;
  color: var(--kr-text-2);
  transition: color var(--kr-transition-fast);
}

.kr-footer-link:hover {
  color: var(--kr-text-1);
}

.kr-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--kr-space-6);
  border-top: 1px solid var(--kr-line);
  font-size: 0.8125rem;
  color: var(--kr-text-3);
}

/* --------------------------------------------------------------------------
   17. Privacy Policy Specific Styles
   -------------------------------------------------------------------------- */
.kr-policy-layout {
  padding: var(--kr-space-12) 0 var(--kr-space-20);
}

.kr-policy-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--kr-space-12);
  align-items: flex-start;
}

.kr-policy-sidebar {
  position: sticky;
  top: calc(var(--kr-header-height) + 24px);
  display: flex;
  flex-direction: column;
  gap: var(--kr-space-2);
  padding: var(--kr-space-4);
  background: var(--kr-bg-1);
  border: 1px solid var(--kr-line);
  border-radius: var(--kr-radius-md);
  font-size: 0.8125rem;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}

.kr-policy-sidebar-title {
  font-family: var(--kr-font-mono);
  font-size: 0.6875rem;
  color: var(--kr-text-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--kr-space-2);
}

.kr-policy-toc-link {
  color: var(--kr-text-2);
  padding: 4px 8px;
  border-radius: var(--kr-radius-xs);
  transition: all var(--kr-transition-fast);
  line-height: 1.3;
}

.kr-policy-toc-link:hover {
  color: var(--kr-text-1);
  background: var(--kr-bg-2);
}

.kr-policy-article {
  max-width: 820px;
}

.kr-policy-header {
  margin-bottom: var(--kr-space-8);
  padding-bottom: var(--kr-space-6);
  border-bottom: 1px solid var(--kr-line);
}

.kr-policy-meta {
  font-family: var(--kr-font-mono);
  font-size: 0.8125rem;
  color: var(--kr-text-3);
  margin-top: var(--kr-space-2);
}

.kr-policy-section {
  margin-bottom: var(--kr-space-10);
  scroll-margin-top: calc(var(--kr-header-height) + 32px);
}

.kr-policy-section h2 {
  font-size: 1.6rem;
  margin-bottom: var(--kr-space-3);
  border-bottom: 1px solid var(--kr-line);
  padding-bottom: var(--kr-space-2);
}

.kr-policy-section h3 {
  font-size: 1.2rem;
  margin-top: var(--kr-space-4);
}

.kr-policy-section ul, .kr-policy-section ol {
  margin-left: var(--kr-space-6);
  margin-bottom: var(--kr-space-4);
  color: var(--kr-text-2);
}

.kr-policy-section li {
  margin-bottom: var(--kr-space-2);
  line-height: 1.6;
}

.kr-policy-section code {
  font-family: var(--kr-font-mono);
  font-size: 0.85em;
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line);
  padding: 2px 5px;
  border-radius: var(--kr-radius-xs);
  color: var(--kr-text-1);
}

.kr-policy-callout {
  background: var(--kr-bg-2);
  border: 1px solid var(--kr-line-strong);
  padding: var(--kr-space-4) var(--kr-space-5);
  border-radius: var(--kr-radius-sm);
  margin: var(--kr-space-4) 0;
  font-size: 0.9375rem;
}

/* --------------------------------------------------------------------------
   18. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 980px) {
  .kr-browser-body {
    grid-template-columns: 1fr;
  }

  .kr-sim-page {
    border-right: none;
    border-bottom: 1px solid var(--kr-line);
  }

  .kr-privacy-box {
    grid-template-columns: 1fr;
  }

  .kr-policy-container {
    grid-template-columns: 1fr;
  }

  .kr-policy-sidebar {
    display: none;
  }

  .kr-opensource-card {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .kr-container {
    padding: 0 var(--kr-space-4);
  }

  .kr-nav {
    display: none;
    position: absolute;
    top: var(--kr-header-height);
    left: 0;
    right: 0;
    background: var(--kr-bg-1);
    border-bottom: 1px solid var(--kr-line);
    flex-direction: column;
    padding: var(--kr-space-6);
    gap: var(--kr-space-4);
  }

  .kr-nav.active {
    display: flex;
  }

  .kr-mobile-toggle {
    display: block;
  }

  .kr-header-actions .kr-btn-store {
    display: none;
  }

  .kr-hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .kr-hero-actions .kr-btn {
    width: 100%;
  }

  .kr-opensource-card {
    flex-direction: column;
    align-items: stretch;
    padding: var(--kr-space-5);
  }

  .kr-opensource-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .kr-opensource-actions .kr-btn {
    width: 100%;
  }

  .kr-privacy-box {
    padding: var(--kr-space-5);
  }

  .kr-policy-article {
    width: 100%;
    min-width: 0;
  }

  .kr-policy-article a,
  .kr-policy-section a,
  .kr-policy-section code {
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .kr-footer-top {
    flex-direction: column;
  }

  .kr-footer-nav {
    flex-wrap: wrap;
    gap: var(--kr-space-6);
  }

  .kr-footer-bottom {
    flex-direction: column;
    gap: var(--kr-space-3);
    align-items: flex-start;
  }
}

/* --------------------------------------------------------------------------
   19. Accessibility / Prefers-Reduced-Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}