/* ==========================================================================
   RESUME ATS SCORE CHECKER - DESIGN SYSTEM & STYLESHEET
   Domain: https://apkwonders.com/
   Features: Day/Night Theme, Responsive Grid, Ad Placements, Clean Micro-interactions
   ========================================================================== */

/* --- CSS Variables & Color Tokens --- */
:root {
  /* Light Theme (Default / Day Mode) */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --border-color: #e2e8f0;
  --border-focus: #3b82f6;
  --border-subtle: #edf2f7;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: #eff6ff;
  --primary-rgb: 37, 99, 235;

  --success: #10b981;
  --success-light: #ecfdf5;
  --success-text: #065f46;

  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --warning-text: #92400e;

  --danger: #ef4444;
  --danger-light: #fef2f2;
  --danger-text: #991b1b;

  --info: #0ea5e9;
  --info-light: #f0f9ff;
  --info-text: #0369a1;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --header-height: 72px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* --- Dark Theme (Night Mode) --- */
[data-theme="dark"] {
  --bg-primary: #0b1120;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: #131d31;
  --bg-card-hover: #17243c;
  --bg-input: #0f172a;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --border-color: #24324a;
  --border-focus: #60a5fa;
  --border-subtle: #1e293b;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-light: rgba(59, 130, 246, 0.12);
  --primary-rgb: 59, 130, 246;

  --success: #34d399;
  --success-light: rgba(52, 211, 153, 0.12);
  --success-text: #6ee7b7;

  --warning: #fbbf24;
  --warning-light: rgba(251, 191, 36, 0.12);
  --warning-text: #fcd34d;

  --danger: #f87171;
  --danger-light: rgba(248, 113, 113, 0.12);
  --danger-text: #fca5a5;

  --info: #38bdf8;
  --info-light: rgba(56, 189, 248, 0.12);
  --info-text: #7dd3fc;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1rem;
}

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

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

/* --- Layout & Container --- */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

main {
  flex: 1;
}

/* --- Top Utility Bar & Live Clock --- */
.top-bar {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.live-datetime {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
}

.live-indicator-dot {
  width: 7px;
  height: 7px;
  background-color: var(--success);
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.2);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.top-bar-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--primary);
}

/* --- Header & Navigation --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal);
}

[data-theme="dark"] .site-header {
  background-color: rgba(15, 23, 42, 0.92);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--primary), #1d4ed8);
  color: #ffffff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  font-weight: 800;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.brand-name span {
  color: var(--primary);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
  padding: 0.4rem 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary);
  border-radius: var(--radius-full);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle-btn:hover {
  background: var(--border-color);
  transform: translateY(-1px);
}

.mobile-menu-btn {
  display: none;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.mobile-nav-drawer {
  display: none;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.5rem;
}

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

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  list-style: none;
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: block;
  padding: 0.5rem 0;
}

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

/* --- Hero Section --- */
.hero-section {
  padding: 3rem 0 2rem;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(var(--primary-rgb), 0.2);
}

.hero-title {
  margin-bottom: 1rem;
  max-width: 850px;
  margin-left: auto;
  margin-right: auto;
}

.hero-subtitle {
  font-size: 1.15rem;
  max-width: 720px;
  margin: 0 auto 1.5rem;
  color: var(--text-secondary);
}

.hero-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.hero-badge-item i {
  color: var(--success);
}

/* --- Ad Slots --- */
.ad-slot-container {
  width: 100%;
  margin: 1.5rem auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.ad-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.ad-placeholder {
  min-height: 90px;
  width: 100%;
  max-width: 970px;
  background-color: var(--bg-tertiary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.82rem;
  transition: all var(--transition-normal);
}

.ad-placeholder.collapsed {
  display: none !important;
}

/* --- Main Tool Section --- */
.tool-wrapper {
  padding: 2rem 0 4rem;
}

.checker-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.tool-tabs {
  display: inline-flex;
  background: var(--bg-tertiary);
  padding: 0.3rem;
  border-radius: var(--radius-lg);
  gap: 0.3rem;
}

.tool-tab-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.tool-tab-btn.active {
  background: var(--bg-secondary);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.sample-resumes-btn-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-sample {
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-sample:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 1.5rem;
  text-align: center;
  background-color: var(--bg-tertiary);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background-color: var(--primary-light);
  transform: scale(1.005);
}

.dropzone-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 1rem;
  background: var(--bg-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.dropzone-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.dropzone-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.file-chosen-info {
  display: none;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
}

.input-group {
  margin-bottom: 1.5rem;
}

.input-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.input-helper {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-muted);
}

.textarea-custom {
  width: 100%;
  min-height: 180px;
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.5;
  resize: vertical;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.textarea-custom:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.btn-primary-large {
  width: 100%;
  padding: 1rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), #1d4ed8);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: all var(--transition-normal);
}

.btn-primary-large:hover {
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.btn-secondary {
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-muted);
}

.loading-spinner-overlay {
  display: none;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(var(--bg-secondary), 0.85);
  backdrop-filter: blur(4px);
  border-radius: var(--radius-xl);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* --- Results Dashboard Section --- */
.results-container {
  display: none;
  margin-top: 3rem;
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-header-banner {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  box-shadow: var(--shadow-xl);
}

.results-summary-content h2 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.results-summary-content p {
  color: #94a3b8;
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.score-circle-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-gauge {
  width: 140px;
  height: 140px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.score-gauge svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.score-gauge-bg {
  fill: none;
  stroke: #334155;
  stroke-width: 8;
}

.score-gauge-fill {
  fill: none;
  stroke: var(--success);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 377;
  stroke-dashoffset: 377;
  transition: stroke-dashoffset 1.5s ease-out;
}

.score-number-display {
  position: absolute;
  text-align: center;
}

.score-big {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: var(--font-heading);
  line-height: 1;
  color: #ffffff;
}

.score-grade-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  margin-top: 0.25rem;
  display: inline-block;
}

.subscores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.subscore-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.subscore-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.subscore-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.subscore-val {
  font-weight: 800;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.progress-bar-track {
  width: 100%;
  height: 8px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-full);
  transition: width 1s ease-in-out;
}

.recommendations-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
}

.recommendations-title {
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.rec-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.rec-item {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-tertiary);
}

.rec-item.warning { border-left: 4px solid var(--warning); }
.rec-item.danger { border-left: 4px solid var(--danger); }
.rec-item.info { border-left: 4px solid var(--info); }

.rec-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.rec-content h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.rec-content p {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.keywords-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.keyword-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
}

.keyword-tag.found {
  background: var(--success-light);
  color: var(--success-text);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.keyword-tag.missing {
  background: var(--danger-light);
  color: var(--danger-text);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.keyword-tag.verb {
  background: var(--primary-light);
  color: var(--primary);
  border: 1px solid rgba(var(--primary-rgb), 0.2);
}

/* --- Features & Content Section --- */
.content-section {
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
  content-visibility: auto;
  contain-intrinsic-size: 1px 350px;
}

.section-heading-group {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem;
}

.section-heading-group p {
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.feature-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-lg);
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

.article-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3rem;
  margin-bottom: 4rem;
  box-shadow: var(--shadow-md);
}

.article-container h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.article-container h3 {
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}

.article-container ul, .article-container ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.article-container li {
  margin-bottom: 0.5rem;
}

/* --- FAQ Accordion Section --- */
.faq-section {
  padding: 3rem 0 5rem;
  content-visibility: auto;
  contain-intrinsic-size: 1px 300px;
}

.faq-accordion {
  max-width: 850px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

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

.faq-toggle-icon {
  font-size: 1.1rem;
  transition: transform var(--transition-normal);
  color: var(--primary);
}

.faq-answer {
  display: none;
  padding: 0 1.5rem 1.25rem;
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
}

/* --- Subtools Specific UI --- */
.subtool-hero {
  padding: 3rem 0;
  text-align: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.subtool-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin: 2.5rem auto;
  max-width: 1000px;
  box-shadow: var(--shadow-lg);
}

.checklist-group {
  margin-bottom: 2rem;
}

.checklist-group-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  margin-bottom: 0.6rem;
  cursor: pointer;
  user-select: none;
}

.checklist-item input[type="checkbox"] {
  margin-top: 0.25rem;
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.checklist-item.checked {
  opacity: 0.6;
  text-decoration: line-through;
}

/* --- Footer --- */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

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

/* --- Cookie Consent Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  box-shadow: var(--shadow-xl);
  z-index: 999;
  display: none;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-banner-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* --- Print Stylesheet --- */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .site-header, .top-bar, .site-footer, .ad-slot-container, .hero-section, .checker-card, .btn-primary-large, .cookie-banner {
    display: none !important;
  }
  .results-container {
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  .results-header-banner {
    background: #f1f5f9 !important;
    color: #0f172a !important;
    border: 1px solid #cbd5e1 !important;
    box-shadow: none !important;
  }
  .results-summary-content h2, .score-big {
    color: #0f172a !important;
  }
}

/* --- Responsive Breakpoints --- */
@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .results-header-banner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .score-circle-wrapper {
    margin-top: 1rem;
  }
}

@media (max-width: 768px) {
  .nav-desktop {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .top-bar-inner {
    justify-content: center;
    text-align: center;
  }
}