/* style.css — ReadBetween Design Tokens & Component Styles */

/* ============================================================
   CUSTOM PALETTE: ReadBetween Dark Intelligence Theme
   Dark navy/charcoal-first. Electric blue accent. 
   ============================================================ */

:root, [data-theme="dark"] {
  /* --- Type Scale --- */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* --- 4px Spacing System --- */
  --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;

  /* --- Dark Surfaces (navy/charcoal) --- */
  --color-bg:              #0a0f1a;
  --color-surface:         #111827;
  --color-surface-2:       #1a2332;
  --color-surface-offset:  #1e293b;
  --color-surface-offset-2: #243044;
  --color-surface-dynamic: #2d3748;
  --color-divider:         rgba(255,255,255,0.06);
  --color-border:          rgba(255,255,255,0.10);
  --color-border-subtle:   rgba(255,255,255,0.06);

  /* --- Text --- */
  --color-text:            #f1f5f9;
  --color-text-muted:      #94a3b8;
  --color-text-faint:      #475569;
  --color-text-inverse:    #0a0f1a;

  /* --- Primary Accent (Electric Blue) --- */
  --color-primary:         #3b82f6;
  --color-primary-hover:   #2563eb;
  --color-primary-active:  #1d4ed8;
  --color-primary-highlight: rgba(59,130,246,0.12);
  --color-primary-glow:    rgba(59,130,246,0.25);

  /* --- Warning (Amber) --- */
  --color-warning:         #f59e0b;
  --color-warning-hover:   #d97706;
  --color-warning-active:  #b45309;
  --color-warning-highlight: rgba(245,158,11,0.12);

  /* --- Danger (Soft Red) --- */
  --color-error:           #ef4444;
  --color-error-hover:     #dc2626;
  --color-error-active:    #b91c1c;
  --color-error-highlight: rgba(239,68,68,0.12);

  /* --- Success (Muted Green) --- */
  --color-success:         #22c55e;
  --color-success-hover:   #16a34a;
  --color-success-active:  #15803d;
  --color-success-highlight: rgba(34,197,94,0.12);

  /* --- Orange (secondary accent) --- */
  --color-orange:          #f97316;
  --color-orange-hover:    #ea580c;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-enter:       300ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-exit:        200ms cubic-bezier(0.4, 0, 1, 1);

  /* --- Shadows (dark-tuned) --- */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 24px rgba(59,130,246,0.15);

  /* --- Content Widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* --- Fonts --- */
  --font-body: 'Geist', 'Inter', sans-serif;
  --font-display: 'Sora', 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* --- Glass morphism --- */
  --glass-bg: rgba(17,24,39,0.7);
  --glass-border: rgba(255,255,255,0.08);
  --glass-blur: blur(16px);
}

/* ============================================================
   LIGHT MODE
   ============================================================ */
[data-theme="light"] {
  --color-bg:              #f0f4f8;
  --color-surface:         #ffffff;
  --color-surface-2:       #f8fafc;
  --color-surface-offset:  #f1f5f9;
  --color-surface-offset-2: #e2e8f0;
  --color-surface-dynamic: #e2e8f0;
  --color-divider:         rgba(0,0,0,0.08);
  --color-border:          rgba(0,0,0,0.12);
  --color-border-subtle:   rgba(0,0,0,0.06);

  --color-text:            #0f172a;
  --color-text-muted:      #475569;
  --color-text-faint:      #94a3b8;
  --color-text-inverse:    #f1f5f9;

  --color-primary:         #2563eb;
  --color-primary-hover:   #1d4ed8;
  --color-primary-active:  #1e40af;
  --color-primary-highlight: rgba(37,99,235,0.08);
  --color-primary-glow:    rgba(37,99,235,0.20);

  --color-warning:         #d97706;
  --color-warning-hover:   #b45309;
  --color-warning-active:  #92400e;
  --color-warning-highlight: rgba(217,119,6,0.08);

  --color-error:           #dc2626;
  --color-error-hover:     #b91c1c;
  --color-error-active:    #991b1b;
  --color-error-highlight: rgba(220,38,38,0.08);

  --color-success:         #16a34a;
  --color-success-hover:   #15803d;
  --color-success-active:  #166534;
  --color-success-highlight: rgba(22,163,74,0.08);

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.14);
  --shadow-glow: 0 0 24px rgba(37,99,235,0.12);

  --glass-bg: rgba(255,255,255,0.75);
  --glass-border: rgba(0,0,0,0.06);
}

/* System pref — default to dark */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #0a0f1a;
    --color-surface:         #111827;
    --color-surface-2:       #1a2332;
    --color-surface-offset:  #1e293b;
    --color-surface-offset-2: #243044;
    --color-surface-dynamic: #2d3748;
    --color-divider:         rgba(255,255,255,0.06);
    --color-border:          rgba(255,255,255,0.10);
    --color-text:            #f1f5f9;
    --color-text-muted:      #94a3b8;
    --color-text-faint:      #475569;
    --color-text-inverse:    #0a0f1a;
    --color-primary:         #3b82f6;
    --color-primary-hover:   #2563eb;
    --color-primary-active:  #1d4ed8;
    --color-primary-highlight: rgba(59,130,246,0.12);
    --color-primary-glow:    rgba(59,130,246,0.25);
    --color-warning:         #f59e0b;
    --color-warning-highlight: rgba(245,158,11,0.12);
    --color-error:           #ef4444;
    --color-error-highlight: rgba(239,68,68,0.12);
    --color-success:         #22c55e;
    --color-success-highlight: rgba(34,197,94,0.12);
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
    --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 24px rgba(59,130,246,0.15);
    --glass-bg: rgba(17,24,39,0.7);
    --glass-border: rgba(255,255,255,0.08);
  }
}

/* ============================================================
   COMPONENT STYLES
   ============================================================ */

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 60px;
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
}

.nav-inner {
  width: 100%;
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.nav-logo .logo-read { font-weight: 300; letter-spacing: -0.02em; }
.nav-logo .logo-between { font-weight: 700; letter-spacing: -0.03em; color: var(--color-primary); }
.nav-logo .logo-dot { color: var(--color-primary); opacity: 0.6; margin: 0 1px; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: auto;
  list-style: none;
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
}

.nav-link:hover { color: var(--color-text); background: var(--color-primary-highlight); }
.nav-link.active { color: var(--color-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-left: var(--space-4);
}

.btn-theme-toggle {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  flex-shrink: 0;
}
.btn-theme-toggle:hover { color: var(--color-text); background: var(--color-surface-2); }

.btn-pro {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid rgba(59,130,246,0.25);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  transition: all var(--transition-interactive);
  white-space: nowrap;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-family: var(--font-body);
}
.btn-pro:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Hamburger menu */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text);
  background: none;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition-interactive);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  z-index: 99;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-6);
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav.open { display: flex; }

.mobile-nav-link {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-body);
  transition: color var(--transition-interactive), background var(--transition-interactive);
}
.mobile-nav-link:hover, .mobile-nav-link.active { color: var(--color-text); background: var(--color-primary-highlight); }

/* --- Page Views --- */
.page {
  display: none;
  min-height: 100dvh;
  padding-top: 60px;
}
.page.active { display: block; }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-interactive);
  text-decoration: none;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  font-size: var(--text-base);
  background: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-8);
  box-shadow: 0 0 20px rgba(59,130,246,0.3);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(59,130,246,0.4);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--shadow-sm); }

.btn-secondary {
  font-size: var(--text-base);
  background: var(--color-surface-2);
  color: var(--color-text);
  padding: var(--space-3) var(--space-8);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface-offset); border-color: var(--color-primary); color: var(--color-primary); }

.btn-ghost {
  font-size: var(--text-sm);
  background: transparent;
  color: var(--color-text-muted);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover { color: var(--color-text); border-color: var(--color-primary); background: var(--color-primary-highlight); }

.btn-lg {
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-12);
  border-radius: var(--radius-xl);
}

.btn-sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-5);
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.card-glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

/* --- Section Layout --- */
.section {
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-6);
}

.container {
  max-width: var(--content-wide);
  margin: 0 auto;
  width: 100%;
}

.container-default {
  max-width: var(--content-default);
  margin: 0 auto;
  width: 100%;
}

.container-narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  width: 100%;
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-blue { background: var(--color-primary-highlight); color: var(--color-primary); border: 1px solid rgba(59,130,246,0.2); }
.badge-amber { background: var(--color-warning-highlight); color: var(--color-warning); border: 1px solid rgba(245,158,11,0.2); }
.badge-red { background: var(--color-error-highlight); color: var(--color-error); border: 1px solid rgba(239,68,68,0.2); }
.badge-green { background: var(--color-success-highlight); color: var(--color-success); border: 1px solid rgba(34,197,94,0.2); }

/* --- Divider --- */
.divider {
  height: 1px;
  background: var(--color-divider);
  margin: var(--space-8) 0;
}

/* --- Form Elements --- */
.input-field {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.input-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.input-field::placeholder { color: var(--color-text-faint); transition: opacity 0.2s ease; }

/* Rotating placeholder fade */
#conversation-input {
  --placeholder-opacity: 1;
}
#conversation-input::placeholder {
  opacity: var(--placeholder-opacity);
}

textarea.input-field {
  resize: vertical;
  min-height: 200px;
  line-height: 1.6;
}

select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-10);
}

/* --- Overline Label --- */
.overline {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.overline-accent {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

/* --- Mono Data --- */
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums lining-nums;
}

/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.95); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(59,130,246,0.15); }
  50%       { box-shadow: 0 0 40px rgba(59,130,246,0.35); }
}

@keyframes scanLine {
  0%   { transform: translateY(-100%); opacity: 0.6; }
  100% { transform: translateY(400%); opacity: 0; }
}

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

@keyframes countUp {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.animate-fade-in { animation: fadeIn 400ms cubic-bezier(0.16,1,0.3,1) both; }
.animate-slide-up { animation: slideUp 400ms cubic-bezier(0.16,1,0.3,1) both; }
.animate-scale-in { animation: scaleIn 300ms cubic-bezier(0.16,1,0.3,1) both; }

.stagger-1 { animation-delay: 60ms; }
.stagger-2 { animation-delay: 120ms; }
.stagger-3 { animation-delay: 180ms; }
.stagger-4 { animation-delay: 240ms; }
.stagger-5 { animation-delay: 300ms; }

/* --- Scroll Reveals --- */
.fade-in {
  opacity: 1;
}

@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 80%;
  }
}

@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ============================================================
   MOBILE BREAKPOINTS
   ============================================================ */

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-actions .btn-pro { display: none; }
  .nav-hamburger { display: flex; }
  
  .hide-mobile { display: none !important; }
  
  .btn-lg {
    font-size: var(--text-base);
    padding: var(--space-4) var(--space-8);
  }
}

@media (max-width: 480px) {
  .nav { padding: 0 var(--space-4); }
  .section { padding: clamp(var(--space-12), 6vw, var(--space-20)) var(--space-4); }
}

/* ============================================================
   HOME PAGE
   ============================================================ */

/* Hero */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: calc(60px + var(--space-16)) var(--space-6) var(--space-16);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 40% at 80% 20%, rgba(99,102,241,0.05) 0%, transparent 50%),
    var(--color-bg);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 80%);
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-default);
  margin: 0 auto;
  width: 100%;
  text-align: center;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid rgba(59,130,246,0.2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-8);
}

.hero-label-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-glow 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: var(--space-6);
}

.hero-title span {
  background: linear-gradient(135deg, var(--color-primary) 0%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  margin-top: calc(-1 * var(--space-2));
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 auto var(--space-10);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero-stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Use Cases */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.use-case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
  cursor: default;
}

.use-case-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 0 20px var(--color-primary-glow);
  transform: translateY(-2px);
}

.use-case-icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.use-case-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.use-case-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* How It Works */
.how-it-works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.step-card {
  text-align: center;
  padding: var(--space-8) var(--space-6);
  border-radius: var(--radius-xl);
  position: relative;
}

.step-number {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.step-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  background: var(--color-primary-highlight);
  border: 1px solid rgba(59,130,246,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
}

.step-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Social proof */
.social-proof {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.social-proof::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.06) 0%, transparent 60%);
  pointer-events: none;
}

/* ============================================================
   ANALYZER PAGE
   ============================================================ */

.analyzer-layout {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.analyzer-input-panel {
  position: sticky;
  top: calc(60px + var(--space-6));
}

.input-panel-header {
  margin-bottom: var(--space-6);
}

.input-panel-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.input-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-1);
}

.input-tab {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: calc(var(--radius-md) - 2px);
  transition: all var(--transition-interactive);
  text-align: center;
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

.input-tab.active {
  background: var(--color-primary);
  color: white;
}

.context-row {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  align-items: flex-end;
}

.context-field {
  flex: 1;
}

.field-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
  display: block;
}

.upload-zone {
  display: none;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-12) var(--space-8);
  text-align: center;
  background: var(--color-surface);
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
  cursor: pointer;
}

.upload-zone.visible { display: flex; flex-direction: column; align-items: center; gap: var(--space-3); }
.upload-zone:hover { border-color: var(--color-primary); background: var(--color-primary-highlight); }

.upload-zone-icon { color: var(--color-text-faint); }
.upload-zone-title { font-size: var(--text-base); font-weight: 600; color: var(--color-text-muted); }
.upload-zone-desc { font-size: var(--text-sm); color: var(--color-text-faint); }
.upload-coming-soon { font-size: var(--text-xs); font-weight: 600; color: var(--color-primary); text-transform: uppercase; letter-spacing: 0.1em; }

/* Loading state */
.loading-overlay {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: var(--space-16) var(--space-8);
  text-align: center;
}

.loading-overlay.visible { display: flex; }

.loading-scanner {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.loading-scanner::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  animation: scanLine 1.5s ease-in-out infinite;
}

.loading-ring {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-muted);
}

.loading-subtext {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Results panel */
.results-panel {
  display: none;
}

.results-panel.visible { display: block; }

.results-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-16) var(--space-8);
  gap: var(--space-4);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-2xl);
  min-height: 400px;
  background: var(--color-surface);
}

.results-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-xl);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
}

/* Power Score */
.power-score-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  text-align: center;
  margin-bottom: var(--space-4);
  position: relative;
  overflow: hidden;
}

.power-score-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.power-score-gauge-wrap {
  position: relative;
  width: 180px;
  height: 100px;
  margin: 0 auto var(--space-4);
  overflow: visible;
}

.power-score-number {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.power-score-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.power-score-verdict {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  margin-top: var(--space-3);
}

/* Subtext Analysis */
.analysis-section {
  margin-bottom: var(--space-4);
}

.analysis-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  margin-bottom: var(--space-4);
}

.analysis-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.analysis-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.analysis-card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

/* Signal bars */
.signal-item {
  margin-bottom: var(--space-4);
}

.signal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
}

.signal-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.signal-pct {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

.signal-strength {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.signal-bar-track {
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-surface-2);
  overflow: hidden;
}

.signal-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 800ms cubic-bezier(0.16,1,0.3,1);
  width: 0%;
}

/* Tone tags */
.tone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Response tabs */
.response-tabs-nav {
  display: flex;
  gap: var(--space-1);
  background: var(--color-surface-2);
  border-radius: var(--radius-md);
  padding: var(--space-1);
  margin-bottom: var(--space-4);
}

.response-tab-btn {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: calc(var(--radius-md) - 2px);
  transition: all var(--transition-interactive);
  text-align: center;
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

.response-tab-btn.active {
  background: var(--color-surface-offset);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.response-panel {
  display: none;
}

.response-panel.active { display: block; }

.response-text {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  position: relative;
}

.copy-btn {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-text-faint);
  background: none;
  border: none;
  transition: color var(--transition-interactive), background var(--transition-interactive);
}

.copy-btn:hover { color: var(--color-primary); background: var(--color-primary-highlight); }

/* Share Card */
.share-card {
  background: linear-gradient(135deg, #0a0f1a 0%, #111827 50%, #1a2332 100%);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(59,130,246,0.1);
}

.share-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), #818cf8, var(--color-primary));
}

.share-card-watermark {
  position: absolute;
  bottom: var(--space-4);
  right: var(--space-6);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  color: rgba(59,130,246,0.3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.share-card-logo {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 700;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.share-card-score-row {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.share-card-score-big {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: white;
  line-height: 1;
  letter-spacing: -0.04em;
}

.share-card-score-meta {
  flex: 1;
}

.share-card-verdict {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
  line-height: 1.3;
  margin-bottom: var(--space-2);
}

.share-card-context {
  font-size: var(--text-xs);
  color: rgba(148,163,184,0.8);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.share-card-signals {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.share-card-signal {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
}

.share-card-signal-name {
  font-size: var(--text-sm);
  color: rgba(241,245,249,0.9);
  font-weight: 500;
}

.share-card-signal-pct {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
}

.share-card-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.share-card-attribution {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(71,85,105,1);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.share-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ============================================================
   PRICING PAGE
   ============================================================ */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}

.pricing-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}

.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  background: linear-gradient(135deg, var(--color-surface) 0%, rgba(59,130,246,0.05) 100%);
  border-color: rgba(59,130,246,0.4);
  box-shadow: 0 0 30px rgba(59,130,246,0.1);
  position: relative;
}

.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.pricing-plan-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.pricing-price {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
  letter-spacing: -0.02em;
}

.pricing-price sup {
  font-size: var(--text-lg);
  vertical-align: top;
  margin-top: 4px;
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-price-period {
  font-size: var(--text-sm);
  color: var(--color-text-faint);
  font-weight: 400;
  font-family: var(--font-body);
  letter-spacing: 0;
}

.pricing-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.pricing-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.pricing-feature-icon { color: var(--color-success); flex-shrink: 0; margin-top: 2px; }

.packs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.pack-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-interactive), transform var(--transition-interactive);
}

.pack-card:hover {
  border-color: var(--color-warning);
  transform: translateY(-2px);
}

.pack-name {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

.pack-price {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-warning);
}

.pack-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
  flex: 1;
}

/* ============================================================
   ABOUT PAGE
   ============================================================ */

.about-layout {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6);
}

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

.about-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.about-text {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.privacy-card {
  background: var(--color-success-highlight);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.engine-card {
  background: var(--color-primary-highlight);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */

.section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 auto;
  line-height: 1.7;
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */

@media (max-width: 900px) {
  .analyzer-layout {
    grid-template-columns: 1fr;
  }
  .analyzer-input-panel {
    position: static;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .packs-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .use-cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .how-it-works {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .hero-stats {
    gap: var(--space-6);
  }
  .packs-grid {
    grid-template-columns: 1fr;
  }
  .share-card-score-row {
    flex-direction: column;
    gap: var(--space-4);
  }
  .share-card-score-big {
    font-size: 3rem;
  }
}

@media (max-width: 480px) {
  .use-cases-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    letter-spacing: -0.025em;
  }
  .hero-actions {
    flex-direction: column;
  }
  .context-row {
    flex-direction: column;
  }
  .response-tabs-nav {
    flex-direction: column;
  }
}

/* ============================================================
   SEQUENTIAL LOADING LINES
   ============================================================ */

@keyframes seq-line-in {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.3; transform: scale(0.6); }
}

.loading-seq-lines {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-6);
  min-width: min(340px, 90vw);
}

.loading-seq-line {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  opacity: 0;
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.loading-seq-line.visible {
  animation: seq-line-in 400ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.loading-seq-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  opacity: 0;
  transition: opacity 200ms ease;
}

.loading-seq-line.visible .loading-seq-dot {
  opacity: 1;
  animation: dot-pulse 1s ease-in-out infinite;
}

.loading-seq-line.done {
  opacity: 0.45;
}
.loading-seq-line.done .loading-seq-dot {
  background: var(--color-success);
  animation: none;
  opacity: 0.6;
}

/* ============================================================
   VERDICT CARD — leads results
   ============================================================ */

.verdict-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-2xl);
  padding: var(--space-6) var(--space-8);
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 24px rgba(59,130,246,0.08), var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.verdict-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.verdict-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.verdict-label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.verdict-confidence {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid rgba(59,130,246,0.2);
}

.verdict-intent {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: var(--space-3);
}

.verdict-explanation {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.verdict-prediction {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-warning);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.verdict-prediction::before {
  content: 'Prediction: ';
  font-style: normal;
  font-weight: 600;
  flex-shrink: 0;
}

.verdict-pattern {
  margin-top: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
  letter-spacing: 0.03em;
}

/* ============================================================
   CHECK ANOTHER BUTTON
   ============================================================ */

.check-another-wrap {
  display: flex;
  justify-content: center;
  margin: var(--space-6) 0;
}

.check-another-btn {
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  gap: var(--space-3);
  border-radius: var(--radius-xl);
}

.check-another-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

/* ============================================================
   FEEDBACK (Was this accurate?)
   ============================================================ */

.feedback-wrap {
  text-align: center;
  margin: var(--space-4) 0 var(--space-2);
  padding: var(--space-5) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.feedback-prompt {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.feedback-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.feedback-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
}

.feedback-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.feedback-btn:disabled {
  cursor: default;
  opacity: 0.5;
}

.feedback-btn:disabled:hover {
  background: var(--color-surface-2);
  border-color: var(--color-border);
  color: var(--color-text-muted);
}

.feedback-btn.selected {
  opacity: 1 !important;
}

.feedback-thanks {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-3);
}

/* ============================================================
   ONBOARDING OVERLAY
   ============================================================ */

.onboarding-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 15, 26, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  opacity: 0;
  animation: fadeIn 500ms cubic-bezier(0.16, 1, 0.3, 1) 600ms forwards;
  pointer-events: none;
}

.onboarding-overlay.active {
  pointer-events: all;
}

.onboarding-overlay.dismissing {
  animation: fadeOut 300ms cubic-bezier(0.4, 0, 1, 1) forwards;
  pointer-events: none;
}

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

.onboarding-modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-10) var(--space-8);
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 60px rgba(59,130,246,0.08);
}

.onboarding-modal::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.onboarding-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}

.onboarding-skip {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-faint);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive);
  font-family: var(--font-body);
}
.onboarding-skip:hover { color: var(--color-text-muted); }

.onboarding-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-highlight);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-2);
}

.onboarding-headline {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin: 0;
}

.onboarding-subtext {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  max-width: 36ch;
  margin: 0;
}

.onboarding-cta {
  width: 100%;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-base);
  border-radius: var(--radius-xl);
  margin-top: var(--space-2);
}

.onboarding-cards {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  width: 100%;
  text-align: left;
}

.onboarding-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-interactive);
  font-family: var(--font-body);
  text-align: left;
  width: 100%;
}

.onboarding-card:hover,
.onboarding-card.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
  color: var(--color-text);
}

.onboarding-card-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  line-height: 1;
}

.onboarding-privacy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.onboarding-privacy::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .onboarding-modal {
    padding: var(--space-8) var(--space-6);
  }
  .onboarding-headline {
    font-size: var(--text-lg);
  }
}


/* ============================================================
   MODAL SYSTEM — Upgrade, Login, Pro Status
   ============================================================ */

.rb-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.rb-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.rb-modal {
  background: var(--color-surface-1);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 420px;
  width: 100%;
  position: relative;
  transform: translateY(16px) scale(0.97);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.rb-modal-overlay.visible .rb-modal {
  transform: translateY(0) scale(1);
}

.rb-modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  color: var(--color-text-faint);
  font-size: 1.5rem;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background 180ms ease, color 180ms ease;
}

.rb-modal-close:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

@media (max-width: 480px) {
  .rb-modal {
    padding: var(--space-6);
    margin: var(--space-2);
  }
}

/* ============================================================
   INTELLIGENCE GROWTH SYSTEM — Awareness & Profile Components
   ============================================================ */

/* ── Awareness Indicator ─────────────────────────────────────
   Small, understated pill near the usage counter.
   Feels like metadata, not a game element.
   ──────────────────────────────────────────────────────────── */

.rb-awareness-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  cursor: pointer;
  transition: border-color var(--transition-interactive),
              color var(--transition-interactive),
              background var(--transition-interactive);
  font-family: var(--font-body);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.rb-awareness-indicator:hover {
  border-color: var(--color-border);
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
}

.rb-awareness-indicator:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.rb-awareness-label {
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.65rem;
  font-weight: 500;
}

.rb-awareness-level {
  color: var(--color-text-muted);
  font-weight: 500;
}

.rb-awareness-count {
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

.rb-awareness-divider {
  color: var(--color-divider);
  opacity: 0.6;
  pointer-events: none;
}


/* ── Pattern Frequency Note ──────────────────────────────────
   Subtle annotation below the pattern name in results.
   ──────────────────────────────────────────────────────────── */

.rb-pattern-frequency {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  padding: var(--space-1) var(--space-2);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
  display: inline-block;
}


/* ── Profile Teaser Card ─────────────────────────────────────
   Appears at bottom of results at 10+ analyses.
   No bright colors. Measured, informational.
   ──────────────────────────────────────────────────────────── */

.rb-profile-teaser {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.rb-profile-teaser-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  line-height: 1.4;
}

.rb-profile-teaser-action {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.rb-profile-teaser-link {
  font-size: var(--text-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition-interactive);
}

.rb-profile-teaser-link:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.rb-profile-locked-msg {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}


/* ── Profile View Modal ──────────────────────────────────────
   Full Communication Profile sheet.
   ──────────────────────────────────────────────────────────── */

.rb-profile-modal {
  max-width: 520px;
  padding: var(--space-6) var(--space-8);
}

.rb-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
}

.rb-modal-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.rb-profile-section {
  /* scrollable profile content */
  max-height: 70vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.rb-profile-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.rb-profile-loading {
  text-align: center;
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  padding: var(--space-8) 0;
}

/* Profile Header: level + count */
.rb-profile-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}

.rb-profile-level {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  font-family: var(--font-display);
}

.rb-profile-total {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

/* Insight message */
.rb-profile-insight {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface-offset);
  border-left: 2px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Stat blocks */
.rb-profile-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.rb-profile-block-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

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

.rb-profile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-offset);
  border-radius: var(--radius-sm);
}

.rb-profile-row-name {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 400;
}

.rb-profile-row-count {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  font-family: var(--font-mono);
  flex-shrink: 0;
}

/* Power score row */
.rb-profile-score-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  border-radius: var(--radius-md);
}

.rb-profile-score-num {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-mono);
  flex-shrink: 0;
  min-width: 2.5ch;
}

.rb-profile-score-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  line-height: 1.5;
}


/* ── Milestone ───────────────────────────────────────────────
   Next level indicator. Dots, not a progress bar.
   Subtle — feels like a data footnote, not a reward.
   ──────────────────────────────────────────────────────────── */

.rb-milestone {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.rb-milestone-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.01em;
}

.rb-milestone-dots {
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
}

.rb-milestone-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-surface-dynamic);
  border: 1px solid var(--color-border-subtle);
}

/* Light mode adjustments */
[data-theme="light"] .rb-awareness-indicator {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text-faint);
}

[data-theme="light"] .rb-awareness-indicator:hover {
  background: var(--color-surface-offset);
  border-color: var(--color-border);
}

[data-theme="light"] .rb-profile-row {
  background: var(--color-surface-2);
}

[data-theme="light"] .rb-profile-insight {
  background: var(--color-primary-highlight);
}

[data-theme="light"] .rb-profile-score-row {
  background: var(--color-surface-offset);
}

[data-theme="light"] .rb-profile-teaser {
  background: var(--color-surface-2);
}

[data-theme="light"] .rb-pattern-frequency {
  background: var(--color-surface-offset);
}

[data-theme="light"] .rb-milestone-dot {
  background: var(--color-surface-dynamic);
  border-color: var(--color-border);
}

@media (max-width: 480px) {
  .rb-profile-modal {
    padding: var(--space-5) var(--space-5);
  }

  .rb-profile-teaser {
    flex-direction: column;
    align-items: flex-start;
  }
}