/* AreumFire - Clean, AI-Native Aesthetic */
/* OpenAI clarity + Claude warmth + Poolside understatement */

:root {
  /* Light mode base */
  --bg-page: #FCFCFB;
  --bg-subtle: #F5F6F7;
  --bg-muted: #EEF0F2;
  --bg-dark: #101418;
  --bg-darker: #0B0F12;

  /* Text */
  --text-primary: #0B0F12;
  --text-secondary: #4B5563;
  --text-tertiary: #8B94A1;
  --text-inverse: #F9FAFB;

  /* Accents - muted, professional */
  --accent-primary: #1F2937;
  --accent-primary-hover: #0F172A;
  --accent-green: #0E7C66;
  --accent-amber: #B45309;
  --accent-red: #B91C1C;

  /* Borders */
  --border-light: #E2E5E8;
  --border-medium: #CBD1D7;

  /* Typography */
  --font-sans: 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Space Grotesk', 'Instrument Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

  /* 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-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Typography */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.75rem); }
h3 { font-size: 1.25rem; }

p { color: var(--text-secondary); }

.mono { font-family: var(--font-mono); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-muted { color: var(--text-tertiary); }
.text-center { text-align: center; }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }

/* Layout */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: 720px;
  margin: 0 auto;
}

.section {
  padding: var(--space-16) 0;
}

.intro {
  padding: var(--space-16) 0 var(--space-8);
}

.section-title {
  font-size: 1.35rem;
  margin-bottom: var(--space-6);
}

.lead {
  font-size: 1rem;
  max-width: 640px;
  margin: var(--space-6) 0 var(--space-8);
  color: var(--text-secondary);
}

.lead-sm {
  font-size: 0.95rem;
  max-width: 640px;
  color: var(--text-secondary);
}

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

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

.section-dark p {
  color: rgba(255,255,255,0.7);
}

.section-muted {
  background: var(--bg-subtle);
}

/* Grid */
.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing utilities */
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

/* ============================================
   Header
   ============================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(252,252,251,0.88);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-light);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.logo-img {
  height: 48px;
  width: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

.logo-text {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .logo-img {
    height: 36px;
    width: 36px;
  }
  .logo-text {
    font-size: 1rem;
  }
}

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

.nav a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

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

.header-cta {
  display: flex;
  gap: var(--space-3);
}

@media (max-width: 768px) {
  .nav { display: none; }
  .header-cta {
    gap: var(--space-2);
  }
  .header-cta .btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
  }
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
  font-family: var(--font-sans);
}

.btn-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

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

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

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

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

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
}

.btn-group {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* Intro badges */
.intro-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.intro-badge {
  display: inline-flex;
  padding: 6px 12px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: 999px;
}

@media (max-width: 600px) {
  .intro-badges {
    justify-content: center;
  }
}

.doc-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.doc-link {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--border-light);
  transition: border-color 0.15s;
}

.doc-link:hover {
  border-color: var(--text-primary);
}


@media (max-width: 600px) {
  .btn-group {
    flex-direction: column;
    width: 100%;
  }
  .btn-group .btn {
    justify-content: center;
  }
}

/* ============================================
   Hero
   ============================================ */

.hero {
  padding: var(--space-24) 0 var(--space-20);
  text-align: center;
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.quiet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-4);
  max-width: 720px;
}

.quiet-list li {
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--border-light);
  color: var(--text-secondary);
}

.quiet-list li strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================
   Section Headers
   ============================================ */

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.section-header h2 {
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: 1.125rem;
}

/* ============================================
   Cards
   ============================================ */

.card {
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: var(--space-6);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.card:hover {
  border-color: var(--border-medium);
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Feature cards - dark section */
.section-dark .card {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.section-dark .card:hover {
  border-color: rgba(255,255,255,0.2);
}

.section-dark .card-title {
  color: var(--text-inverse);
}

.section-dark .card-description {
  color: rgba(255,255,255,0.6);
}

/* ============================================
   Illustrated Diagram (Jay Alammar style)
   ============================================ */

.illustrated-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-8) 0;
  flex-wrap: wrap;
}

.flow-box {
  background: transparent;
  border: 1px dashed var(--border-medium);
  border-radius: 14px;
  padding: var(--space-5) var(--space-6);
  text-align: center;
  min-width: 180px;
  position: relative;
}

.flow-box-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.flow-box-content {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.flow-arrow {
  color: var(--text-tertiary);
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .illustrated-flow {
    flex-direction: column;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
}

/* ============================================
   Stats Row
   ============================================ */

.stats-row {
  display: flex;
  justify-content: center;
  gap: var(--space-12);
  padding: var(--space-8) 0;
  border-top: 1px dashed var(--border-light);
  border-bottom: 1px dashed var(--border-light);
  margin: var(--space-10) 0;
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

@media (max-width: 600px) {
  .stats-row {
    flex-direction: column;
    gap: var(--space-6);
  }
}

/* ============================================
   Prompt Blocks
   ============================================ */

.prompt-block {
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.prompt-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: transparent;
  border-bottom: 1px solid var(--border-light);
}

.prompt-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.prompt-tag {
  padding: 0.125rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  color: var(--text-tertiary);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.prompt-body {
  padding: var(--space-4);
}

.prompt-text {
  font-size: 0.875rem;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: var(--space-3);
}

/* Prompt grid - 2 columns on desktop, 1 on mobile */
.prompt-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  max-width: 900px;
}

@media (max-width: 700px) {
  .prompt-grid {
    grid-template-columns: 1fr;
  }
}

.prompt-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
}

.prompt-cloud--wide {
  width: 100%;
  max-width: 100%;
  justify-content: flex-start;
}

.prompt-chip {
  border: 1px solid var(--border-light);
  background: #ffffff;
  color: var(--text-primary);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 0.8rem;
  line-height: 1.5;
  cursor: pointer;
  text-align: left;
  width: 100%;
  transition: border-color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.prompt-chip .prompt-chip-text {
  visibility: visible;
}

.prompt-chip-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  border-radius: 6px;
  border: none;
  color: var(--text-tertiary);
  background: transparent;
  transition: color 0.15s ease;
  flex-shrink: 0;
}

.prompt-chip-action .copy-icon {
  display: block;
  transition: opacity 0.15s ease;
}

.prompt-chip-action .copy-check {
  display: none;
  color: var(--accent-green);
}

.prompt-chip-action.copied .copy-icon {
  display: none;
}

.prompt-chip-action.copied .copy-check {
  display: block;
}

.prompt-chip:hover .prompt-chip-action {
  color: var(--text-secondary);
}

/* Test prompt box with copy button */
.test-prompt-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px dashed var(--border-light);
  border-radius: 10px;
  padding: 12px 14px;
  background: #f5f7fa;
  max-width: 720px;
  cursor: pointer;
  transition: border-color 0.15s;
}

.test-prompt-box:hover {
  border-color: var(--border-medium);
}

.test-prompt-box:hover .prompt-chip-action {
  color: var(--text-secondary);
}

.test-prompt-text {
  font-size: 0.82rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.prompt-chip:hover {
  border-color: var(--border-medium);
  background: #f5f6f7;
}

.prompt-chip:focus-visible {
  outline: 2px solid #94a3b8;
  outline-offset: 2px;
}


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

/* Copy button - styles moved to .prompt-chip-action */

/* ============================================
   Code Blocks
   ============================================ */

.code-block {
  background: var(--bg-darker);
  border-radius: 8px;
  padding: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.8);
  overflow-x: auto;
}

.code-inline {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--bg-muted);
  padding: 0.125em 0.375em;
  border-radius: 4px;
  color: var(--text-primary);
}

/* ============================================
   Comparison Table
   ============================================ */

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
  }
}

.comparison-col {
  border-radius: 14px;
  padding: var(--space-6);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
}

.comparison-col--bad {
  background: rgba(255,255,255,0.06);
}

.comparison-col--good {
  background: rgba(255,255,255,0.06);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  margin-bottom: var(--space-4);
  font-size: 0.9375rem;
}

.comparison-item {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.comparison-item:last-child {
  border-bottom: none;
}

/* ============================================
   Features Table
   ============================================ */

.features-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.features-table th,
.features-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: 1px solid var(--border-light);
}

.features-table th {
  font-weight: 500;
  color: var(--text-tertiary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.features-table td {
  color: var(--text-primary);
}

.features-table code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: var(--bg-subtle);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
}

/* ============================================
   Methodology Cards
   ============================================ */

.methodology-card {
  background: transparent;
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: var(--space-6);
}

.methodology-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.methodology-title-text {
  font-weight: 500;
  font-size: 1rem;
}

.methodology-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-3);
}

.methodology-meta {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

.methodology-pill {
  padding: 0.125rem 0.5rem;
  border: 1px solid var(--border-light);
  border-radius: 999px;
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
}

.definition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 720px;
}

.definition-item {
  border-bottom: 1px dashed var(--border-light);
  padding-bottom: var(--space-4);
}

.definition-term {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.definition-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

@media (max-width: 700px) {
  .definition-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Methodology + Privacy Infographics
   ============================================ */

.methodology-grid,
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  max-width: 900px;
}

.method-card,
.privacy-card {
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 16px;
  background: #fff;
}

.method-title,
.privacy-title {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-bottom: 6px;
}

.method-desc,
.privacy-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.method-diagram,
.privacy-diagram {
  border: 1px dashed var(--border-light);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-primary);
  background: var(--bg-subtle);
  font-size: 0.75rem;
  line-height: 1.5;
  white-space: nowrap;
  overflow-x: auto;
}

.methodology-strip {
  margin-top: 18px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

@media (max-width: 800px) {
  .methodology-grid,
  .privacy-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Privacy + Trust (Deep Dive)
   ============================================ */

.trust-essay {
  max-width: 900px;
  display: grid;
  gap: 14px;
  border-left: 2px solid var(--border-light);
  padding-left: 18px;
}

.trust-paragraph {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.75;
  margin: 0;
}

.trust-inline-code {
  border: 1px dashed var(--border-light);
  border-radius: 10px;
  padding: 10px 12px;
  background: #f5f7fa;
  font-size: 0.82rem;
  color: var(--text-primary);
}

.trust-note {
  color: var(--text-tertiary);
  font-size: 0.7rem;
}

/* ============================================
   Chat Mock
   ============================================ */

.chat-mock {
  border: 1px solid var(--border-light);
  border-radius: 16px;
  background: #0d0f12;
  overflow: hidden;
  max-width: 860px;
}

.chat-body {
  padding: 18px 18px 10px;
  display: grid;
  gap: 16px;
  background: #0d0f12;
  position: relative;
}

.chat-row {
  display: grid;
  gap: 8px;
}

.chat-role {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #6b7280;
}

.chat-prompt {
  justify-self: end;
  max-width: 86%;
  background: #1a2027;
  color: #e5e7eb;
  border: 1px solid #242c35;
  border-radius: 18px;
  padding: 10px 14px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.chat-assistant-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #cfcfcf;
  font-size: 0.9rem;
}

.chat-avatar {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  object-fit: contain;
  background: #1a2027;
}

.chat-assistant-name {
  font-weight: 500;
  color: #cfcfcf;
}

.chat-response {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  color: #cfcfcf;
  font-size: 0.95rem;
  line-height: 1.6;
}

.chat-paragraph {
  margin: 0 0 12px;
  color: #cfcfcf;
}

.chat-title-text {
  font-size: 1.1rem;
  font-weight: 600;
  color: #f1f1f1;
  margin: 0 0 10px;
  padding: 0 2px;
}

.chat-subtitle {
  font-size: 0.95rem;
  font-weight: 600;
  color: #f1f1f1;
  margin: 12px 0 6px;
  padding: 0 2px;
}

.chat-list {
  margin: 0 0 10px;
  padding-left: 18px;
  color: #cfcfcf;
}

.chat-list li {
  margin-bottom: 6px;
}



.chat-widget {
  border: 1px solid #1f2630;
  border-radius: 14px;
  overflow: hidden;
  background: #0b0f12;
}

.chat-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid #1f2630;
  color: #6b7280;
  font-size: 0.8rem;
}

.chat-caret {
  color: #a3aab5;
}

.chat-input-placeholder {
  color: #6b7280;
}

.chat-followup {
  margin-top: 14px;
  display: flex;
  justify-content: center;
}

.chat-followup-inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #cfcfcf;
  font-size: 0.85rem;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: 999px;
  padding: 8px 14px;
}

.chat-followup-plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid #2a3138;
  color: #cfcfcf;
  font-size: 0.9rem;
}

.chat-followup-text {
  color: #cfcfcf;
}

.chat-input-area {
  margin-top: 16px;
  padding: 0 4px;
}

.chat-input-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #2f2f2f;
  border: 1px solid #424242;
  border-radius: 24px;
  padding: 12px 12px 12px 18px;
}

.chat-input-text {
  flex: 1;
  font-size: 0.9rem;
  color: #e5e7eb;
  line-height: 1.4;
}

.chat-send-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: #fff;
  border: none;
  border-radius: 50%;
  flex-shrink: 0;
  pointer-events: none;
}

.chat-send-btn svg {
  color: #0d0f12;
}

.chat-disclaimer {
  text-align: center;
  font-size: 0.7rem;
  color: #aeb6c2;
  margin-top: 0;
}

@media (max-width: 720px) {
  .chat-mock {
    border-radius: 12px;
  }
  .chat-body {
    padding: 14px;
  }
  .chat-bubble {
    font-size: 0.85rem;
  }
}

/* ============================================
   Privacy Banner
   ============================================ */

.privacy-banner {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--bg-subtle);
  border: 1px solid var(--border-light);
  border-radius: 12px;
}

.privacy-banner-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.privacy-banner-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.privacy-banner-text strong {
  color: var(--text-primary);
}

/* ============================================
   Tags
   ============================================ */

.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-2);
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: 4px;
}

.tag--success {
  background: rgba(255,255,255,0.12);
  color: #E5E7EB;
}

.tag--danger {
  background: rgba(255,255,255,0.12);
  color: #E5E7EB;
}

.tag--stat {
  background: #DBEAFE;
  color: #1D4ED8;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--bg-dark);
  color: var(--text-inverse);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-grid-4 {
  grid-template-columns: 2fr 1fr 1fr 1fr;
}

.footer-grid-5 {
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
}

@media (max-width: 900px) {
  .footer-grid-5 {
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-6);
  }
  .footer-grid-5 .footer-col:nth-child(5) {
    grid-column: 2 / 4;
  }
}

@media (max-width: 800px) {
  .footer-grid-4,
  .footer-grid-5 {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .footer-brand {
    grid-column: span 2;
  }
  .footer-grid-5 .footer-col:nth-child(5) {
    grid-column: span 1;
  }
}

@media (max-width: 500px) {
  .footer-grid,
  .footer-grid-4,
  .footer-grid-5 {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
  .footer-brand {
    grid-column: span 1;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.footer-logo-text {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--text-inverse);
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.6);
  margin: 0;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-heading {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  margin: 0 0 var(--space-1);
}

.footer-link {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color 0.15s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-6);
  gap: var(--space-4);
}

@media (max-width: 700px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin: 0;
  max-width: 480px;
}

.footer-credit {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin: 0;
}

.footer-credit-link {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-credit-link:hover {
  color: var(--text-inverse);
}

/* ============================================
   Steps
   ============================================ */

.steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  max-width: 640px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: var(--space-5);
}

.step-number {
  width: 32px;
  height: 32px;
  background: var(--text-primary);
  color: var(--bg-page);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  padding-top: var(--space-1);
}

.step-title {
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.step-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
}

/* ============================================
   Divider
   ============================================ */

.divider {
  height: 1px;
  background: var(--border-light);
  margin: var(--space-10) 0;
}

/* ============================================
   Trust Badges
   ============================================ */

.trust-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  max-width: 800px;
  margin: 0 auto;
}

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

.trust-badge {
  text-align: center;
  padding: var(--space-4);
  background: var(--bg-page);
  border: 1px solid var(--border-light);
  border-radius: 12px;
}

.trust-badge-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-2);
}

.trust-badge-label {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.trust-badge-desc {
  font-size: 0.6875rem;
  color: var(--text-tertiary);
  margin-top: var(--space-1);
}

/* Dark section trust badges */
.section-dark .trust-badge {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
}

.section-dark .trust-badge-label {
  color: var(--text-inverse);
}

.section-dark .trust-badge-desc {
  color: rgba(255,255,255,0.5);
}

/* ============================================
   Widget Demo
   ============================================ */

.widget-demo-container {
  max-width: 560px;
  margin: 0 auto;
}

.widget-demo-chrome {
  background: #1a1a1a;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.widget-demo-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: #2a2a2a;
  border-bottom: 1px solid #333;
}

.widget-demo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #444;
}

.widget-demo-dot:nth-child(1) { background: #ff5f57; }
.widget-demo-dot:nth-child(2) { background: #ffbd2e; }
.widget-demo-dot:nth-child(3) { background: #28ca42; }

.widget-demo-title {
  font-size: 0.75rem;
  color: #888;
  margin-left: var(--space-2);
}

.widget-demo-content {
  background: #0d0d0d;
}

.widget-demo-content iframe {
  width: 100%;
  height: 560px;
  border: none;
  display: block;
}

/* Inline Widget Preview */
.widget-preview {
  padding: 20px;
  font-family: ui-sans-serif, -apple-system, system-ui, "Segoe UI", sans-serif;
  font-size: 14px;
  color: #fff;
}

.wp-section {
  background: #1a1a1a;
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 12px;
}

.wp-label {
  font-size: 10px;
  font-weight: 600;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 8px;
}

.wp-headline {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 4px;
}

.wp-subtext {
  font-size: 14px;
  color: #888;
}

.wp-assets {
  font-size: 14px;
  color: #888;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid #333;
}

.wp-assets strong {
  color: #fff;
}

.wp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.wp-grid-label {
  display: block;
  font-size: 10px;
  color: #666;
}

.wp-grid-value {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

.wp-event {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  padding: 4px 0;
}

.wp-event-icon {
  width: 16px;
  text-align: center;
}

.wp-event-age {
  font-weight: 500;
  color: #fff;
  min-width: 52px;
}

.wp-event-text {
  color: #888;
  flex: 1;
}

.wp-event-change {
  color: #666;
  font-weight: 500;
}

.wp-traj-row {
  display: flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 2px 0;
}

.wp-traj-age {
  font-size: 12px;
  color: #666;
  min-width: 28px;
}

.wp-traj-bar {
  flex: 1;
  height: 16px;
  background: #252525;
  border-radius: 6px;
  position: relative;
}

.wp-traj-range {
  position: absolute;
  height: 100%;
  background: #4a4a4a;
  border-radius: 6px;
}

.wp-traj-p50 {
  position: absolute;
  height: 100%;
  width: 3px;
  background: #afafaf;
  border-radius: 1px;
  transform: translateX(-1.5px);
}

.wp-traj-val {
  font-size: 12px;
  font-weight: 500;
  color: #888;
  min-width: 48px;
  text-align: right;
}

.wp-traj-legend {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  font-size: 10px;
  color: #666;
}

.wp-legend-swatch {
  display: inline-block;
  width: 12px;
  height: 8px;
  border-radius: 2px;
  margin-right: 4px;
  vertical-align: middle;
}

.wp-legend-range {
  background: #4a4a4a;
}

.wp-legend-p50 {
  background: #afafaf;
  width: 3px;
}

.wp-footer {
  display: flex;
  gap: 12px;
  font-size: 10px;
  color: #555;
  padding-top: 12px;
  border-top: 1px solid #333;
  margin-top: 4px;
}

.widget-demo-caption {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  margin-top: var(--space-4);
}