/* ==========================================================================
   AI Goth Girlfriend (aigothgirlfriend.com)
   Design System: Modern Dark Goth / Cyberpunk Romantic
   Obsidian (#0b090e), Charcoal (#14111a), Slate (#a09cb0), 
   Neon Violet (#b829ff), Crimson (#ff1e56)
   Pure CSS3 - Mobile-First Responsive
   ========================================================================== */

/* --- CSS Variables / Design Tokens --- */
:root {
  /* Color Palette */
  --bg-primary: #0b090e;
  --bg-secondary: #14111a;
  --bg-tertiary: #1b1724;
  --bg-card: rgba(20, 17, 26, 0.85);
  --bg-card-hover: rgba(27, 23, 36, 0.95);
  --bg-glass: rgba(11, 9, 14, 0.82);

  --text-primary: #f8f7fb;
  --text-secondary: #a09cb0;
  --text-muted: #6f6b7e;

  /* Accents */
  --accent-violet: #b829ff;
  --accent-violet-light: #d66cff;
  --accent-violet-glow: rgba(184, 41, 255, 0.35);

  --accent-crimson: #ff1e56;
  --accent-crimson-light: #ff4d79;
  --accent-crimson-glow: rgba(255, 30, 86, 0.35);

  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.25);

  --border-subtle: rgba(160, 156, 176, 0.15);
  --border-highlight: rgba(184, 41, 255, 0.45);
  --border-crimson: rgba(255, 30, 86, 0.45);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Cinzel Decorative', 'Space Grotesk', Georgia, serif;
  --font-mono: 'Space Grotesk', 'Courier New', monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
  --spacing-2xl: 4rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  position: relative;
  min-height: 100vh;
  overflow-x: hidden;
  background-color: var(--bg-primary);
}

/* Subtle Cyber Grid Background */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(184, 41, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(184, 41, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -2;
}

/* Ambient Neon Glow Blobs */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: -1;
  opacity: 0.45;
  transition: opacity var(--transition-normal);
}

.ambient-glow--violet {
  top: -100px;
  left: 15%;
  width: 480px;
  height: 480px;
  background: radial-gradient(circle, var(--accent-violet-glow) 0%, transparent 70%);
}

.ambient-glow--crimson {
  top: 35%;
  right: -80px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, var(--accent-crimson-glow) 0%, transparent 70%);
}

/* Typography Helpers */
h1, h2, h3, h4 {
  color: var(--text-primary);
  line-height: 1.2;
  font-weight: 700;
}

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

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

code {
  font-family: var(--font-mono);
  background: rgba(184, 41, 255, 0.12);
  color: var(--accent-violet-light);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.section {
  padding-top: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
}

.text-accent {
  background: linear-gradient(135deg, var(--accent-violet) 0%, var(--accent-crimson) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Section Header Styles */
.section__header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto var(--spacing-xl);
}

.section__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-violet);
  margin-bottom: var(--spacing-xs);
  padding: 0.25rem 0.75rem;
  background: rgba(184, 41, 255, 0.1);
  border: 1px solid rgba(184, 41, 255, 0.25);
  border-radius: var(--radius-full);
}

.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.section__description {
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--accent-violet);
  outline-offset: 3px;
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 0.9rem 1.85rem;
  font-size: 1.05rem;
}

.btn--full {
  width: 100%;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent-violet) 0%, #8e1ed1 100%);
  color: #ffffff;
  box-shadow: 0 4px 18px var(--accent-violet-glow);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--accent-violet-light) 0%, var(--accent-violet) 100%);
  box-shadow: 0 6px 26px rgba(184, 41, 255, 0.55);
  transform: translateY(-2px);
  color: #ffffff;
}

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

.btn--secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-violet);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  transform: translateY(-2px);
}

.btn--cta {
  background: linear-gradient(135deg, var(--accent-violet) 0%, #7614b8 100%);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 16px var(--accent-violet-glow);
  padding: 0.75rem 1.4rem;
}

.btn--cta:hover {
  background: linear-gradient(135deg, var(--accent-violet-light) 0%, var(--accent-violet) 100%);
  box-shadow: 0 6px 24px rgba(184, 41, 255, 0.6);
  transform: translateY(-2px);
}

.btn--cta-crimson {
  background: linear-gradient(135deg, var(--accent-crimson) 0%, #b80d38 100%);
  box-shadow: 0 4px 16px var(--accent-crimson-glow);
}

.btn--cta-crimson:hover {
  background: linear-gradient(135deg, var(--accent-crimson-light) 0%, var(--accent-crimson) 100%);
  box-shadow: 0 6px 24px rgba(255, 30, 86, 0.6);
}

.btn--outline {
  background: rgba(184, 41, 255, 0.06);
  border: 1px solid var(--border-highlight);
  color: var(--text-primary);
}

.btn--outline:hover {
  background: rgba(184, 41, 255, 0.16);
  border-color: var(--accent-violet);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   1. Sticky Top Navbar
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--bg-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(11, 9, 14, 0.95);
  border-bottom-color: rgba(184, 41, 255, 0.25);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

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

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.brand-logo__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, rgba(184, 41, 255, 0.2), rgba(255, 30, 86, 0.2));
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-sm);
  color: var(--accent-violet-light);
  font-size: 1.1rem;
  box-shadow: 0 0 12px var(--accent-violet-glow);
}

/* Mobile Nav Toggle Button */
.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  z-index: 101;
}

.mobile-nav-toggle:focus-visible {
  outline: 2px solid var(--accent-violet);
}

.hamburger-bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-normal), opacity var(--transition-fast);
}

/* Hamburger active transformation */
.mobile-nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Navbar Menu (Mobile First Drawer) */
.navbar__menu {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(11, 9, 14, 0.98);
  backdrop-filter: blur(20px);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
}

.navbar__menu.is-active {
  transform: translateX(0);
}

.navbar__links {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.navbar__link {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar__link:hover,
.navbar__link:focus {
  color: #ffffff;
  padding-left: 0.5rem;
  border-bottom-color: var(--accent-violet);
}

.navbar__cta {
  margin-top: 1rem;
}

/* Desktop Navbar */
@media (min-width: 768px) {
  .mobile-nav-toggle {
    display: none;
  }

  .navbar__menu {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    background: transparent;
    backdrop-filter: none;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 2rem;
    transform: none;
    overflow-y: visible;
  }

  .navbar__links {
    flex-direction: row;
    gap: 1.75rem;
  }

  .navbar__link {
    font-size: 0.95rem;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
  }

  .navbar__link:hover,
  .navbar__link:focus {
    padding-left: 0;
    color: #ffffff;
    border-bottom-color: var(--accent-violet);
  }

  .navbar__cta {
    margin-top: 0;
  }
}

/* ==========================================================================
   2. Hero Section
   ========================================================================== */
.hero {
  padding-top: calc(var(--spacing-2xl) + 1rem);
  padding-bottom: var(--spacing-2xl);
  text-align: center;
  position: relative;
}

.hero__container {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 900px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-violet-light);
  background: rgba(184, 41, 255, 0.1);
  border: 1px solid rgba(184, 41, 255, 0.3);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--spacing-lg);
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-crimson);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-crimson);
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.8; }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 25px rgba(0, 0, 0, 0.7);
}

.hero__subtitle {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
  max-width: 760px;
  margin-bottom: var(--spacing-xl);
  color: var(--text-secondary);
}

.hero__actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 440px;
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 540px) {
  .hero__actions {
    flex-direction: row;
    justify-content: center;
    max-width: none;
  }
}

.hero__highlights {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
  margin-top: var(--spacing-md);
}

.hero__highlight-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: rgba(20, 17, 26, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
}

.highlight-icon {
  font-size: 1rem;
}

/* ==========================================================================
   3. Platform Comparison Table Section
   ========================================================================== */
.comparison-section {
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-primary) 100%);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 1.35rem 1.25rem;
  vertical-align: middle;
}

.comparison-table thead th {
  background: #100d16;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 10;
}

.comparison-row {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

.comparison-row:not(:last-child) td {
  border-bottom: 1px solid var(--border-subtle);
}

.comparison-row:hover {
  background-color: var(--bg-card-hover);
}

.comparison-row--featured {
  background: rgba(184, 41, 255, 0.04);
}

.comparison-row--featured td:first-child {
  border-left: 3px solid var(--accent-violet);
}

/* Column Dimensions */
.col-platform { width: 28%; min-width: 220px; }
.col-variety  { width: 26%; min-width: 200px; }
.col-features { width: 22%; min-width: 190px; }
.col-trial    { width: 12%; min-width: 140px; }
.col-cta      { width: 12%; min-width: 140px; }

/* Table Content Components */
.platform-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  width: fit-content;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rank-badge--gold {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.2) 0%, rgba(184, 41, 255, 0.25) 100%);
  color: #ffd166;
  border: 1px solid rgba(255, 209, 102, 0.35);
}

.rank-badge--silver {
  background: rgba(160, 156, 176, 0.15);
  color: #e2e0ea;
  border: 1px solid rgba(160, 156, 176, 0.3);
}

.rank-badge--crimson {
  background: rgba(255, 30, 86, 0.18);
  color: var(--accent-crimson-light);
  border: 1px solid var(--border-crimson);
}

.platform-name-group {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.platform-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.platform-rating {
  font-size: 0.85rem;
  color: #ffd166;
  font-weight: 600;
}

.platform-rating span {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-left: 0.15rem;
}

.platform-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.variety-badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.35rem;
}

.variety-badge--high {
  background: rgba(184, 41, 255, 0.15);
  color: var(--accent-violet-light);
  border: 1px solid rgba(184, 41, 255, 0.3);
}

.variety-badge--custom {
  background: rgba(0, 240, 255, 0.12);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
}

.cell-subtext {
  font-size: 0.825rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.feature-tags {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.feature-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.feature-tag--check::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: rgba(184, 41, 255, 0.2);
  color: var(--accent-violet-light);
  font-size: 0.75rem;
  font-weight: 700;
}

.trial-pill {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.25rem;
}

.trial-pill--available {
  background: rgba(46, 213, 115, 0.12);
  color: #2ed573;
  border: 1px solid rgba(46, 213, 115, 0.28);
}

/* Responsive Mobile Cards for Table on Small Screens (< 768px) */
@media (max-width: 767px) {
  .table-wrapper {
    background: transparent;
    border: none;
    box-shadow: none;
    overflow-x: visible;
  }

  .comparison-table {
    display: block;
    width: 100%;
  }

  .comparison-table thead {
    display: none; /* Accessible labels provided via data-label */
  }

  .comparison-table tbody {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
  }

  .comparison-row {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.25rem;
    position: relative;
  }

  .comparison-row--featured {
    border-color: var(--border-highlight);
    box-shadow: 0 0 20px rgba(184, 41, 255, 0.15);
  }

  .comparison-row--featured td:first-child {
    border-left: none;
  }

  .comparison-table td {
    display: block;
    padding: 0;
    width: 100% !important;
    border: none !important;
  }

  .comparison-table td::before {
    content: attr(data-label);
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
  }

  .comparison-table td.cell-platform::before {
    display: none;
  }

  .comparison-table td.cell-cta::before {
    display: none;
  }

  .cell-cta .btn {
    width: 100%;
  }
}

/* ==========================================================================
   4. Featured Goth Personas Directory & Filter Bar
   ========================================================================== */
.personas-section {
  position: relative;
  border-top: 1px solid var(--border-subtle);
  background: radial-gradient(circle at 50% 0%, rgba(184, 41, 255, 0.05) 0%, transparent 60%);
}

/* 1. Interactive Filter Bar */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin: 0 auto var(--spacing-xl);
  max-width: 860px;
  padding: 0 0.5rem;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 0.55rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
  backdrop-filter: blur(8px);
}

.filter-pill:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-highlight);
  color: #ffffff;
  transform: translateY(-2px);
}

.filter-pill.is-active {
  background: linear-gradient(135deg, var(--accent-violet) 0%, #7d1abb 100%);
  color: #ffffff;
  border-color: var(--accent-violet-light);
  box-shadow: 0 4px 18px var(--accent-violet-glow);
  transform: translateY(-1px);
}

.filter-pill:focus-visible {
  outline: 2px solid var(--accent-violet);
  outline-offset: 2px;
}

.filter-count {
  font-size: 0.78rem;
  opacity: 0.8;
  font-weight: 500;
}

.filter-pill.is-active .filter-count {
  opacity: 1;
  color: #fce7ff;
}

/* 2. Persona Card Grid (1 col mobile, 2 col tablet, 4 col desktop) */
.persona-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  width: 100%;
}

@media (min-width: 640px) {
  .persona-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .persona-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Persona Card Profile Design */
.persona-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), opacity var(--transition-normal);
  position: relative;
}

.persona-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-highlight);
  box-shadow: 0 12px 30px rgba(184, 41, 255, 0.22);
}

/* Card Filtering visibility states */
.persona-card.is-hidden {
  display: none !important;
}

.persona-card.is-fading {
  opacity: 0;
  transform: scale(0.96);
}

/* Aspect-ratio locked image container with fallback gradient & SVG silhouette placeholder */
.persona-card__visual,
.persona-image-container {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  background-color: #110d18;
  background-image:
    radial-gradient(circle at 50% 28%, rgba(184, 41, 255, 0.2) 0%, transparent 60%),
    radial-gradient(circle at 50% 80%, rgba(255, 30, 86, 0.12) 0%, transparent 55%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 250' fill='none'%3E%3Ccircle cx='100' cy='85' r='52' stroke='%23b829ff' stroke-opacity='0.22' stroke-width='1.5' stroke-dasharray='4 4'/%3E%3Ccircle cx='100' cy='85' r='68' stroke='%23ff1e56' stroke-opacity='0.12' stroke-width='1'/%3E%3Cpath d='M68 185c6-30 20-46 32-54-10-8-16-19-16-33 0-20 12-36 32-36s32 16 32 36c0 14-6 25-16 33 12 8 26 24 32 54H68z' fill='%23191224' stroke='%23b829ff' stroke-opacity='0.35' stroke-width='1.5'/%3E%3Crect x='90' y='124' width='20' height='4' rx='2' fill='%23ff1e56' fill-opacity='0.7'/%3E%3Ccircle cx='100' cy='126' r='2' fill='%23ffffff'/%3E%3Cpolygon points='100,20 103,28 111,31 103,34 100,42 97,34 89,31 97,28' fill='%2300f0ff' fill-opacity='0.45'/%3E%3Ctext x='100' y='215' fill='%23a09cb0' fill-opacity='0.4' font-family='sans-serif' font-size='10' font-weight='700' letter-spacing='3' text-anchor='middle'%3EAI GOTH GF%3C/text%3E%3C/svg%3E");
  background-position: center center, center center, center 42%;
  background-size: cover, cover, 140px 175px;
  background-repeat: no-repeat;
  overflow: hidden;
}

.persona-card__img,
.persona-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
}

.persona-card:hover .persona-card__img,
.persona-card:hover .persona-image {
  transform: scale(1.06);
}

/* Top-Left: Live / Online green status badge */
.status-live-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.65rem;
  background: rgba(11, 9, 14, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(46, 213, 115, 0.35);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: #f8f7fb;
  letter-spacing: 0.02em;
}

.status-live-dot {
  width: 7px;
  height: 7px;
  background-color: #2ed573;
  border-radius: 50%;
  box-shadow: 0 0 8px #2ed573;
  animation: pulse-live 2s infinite ease-in-out;
}

@keyframes pulse-live {
  0% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 4px #2ed573; }
  50% { transform: scale(1.25); opacity: 1; box-shadow: 0 0 10px #2ed573; }
  100% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 4px #2ed573; }
}

/* Top-Right: Platform Badge */
.persona-platform-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 3;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.persona-platform-badge--candy {
  background: rgba(184, 41, 255, 0.25);
  color: var(--accent-violet-light);
  border: 1px solid rgba(184, 41, 255, 0.5);
  box-shadow: 0 0 10px rgba(184, 41, 255, 0.2);
}

.persona-platform-badge--gfgpt {
  background: rgba(255, 30, 86, 0.22);
  color: var(--accent-crimson-light);
  border: 1px solid rgba(255, 30, 86, 0.5);
  box-shadow: 0 0 10px rgba(255, 30, 86, 0.2);
}

/* Persona Card Body */
.persona-card__body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 0.75rem;
  background: linear-gradient(180deg, rgba(20, 17, 26, 0.4) 0%, rgba(20, 17, 26, 0.9) 100%);
}

.persona-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.persona-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

/* Personality / Feature Pill Tags */
.persona-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  min-height: 28px;
}

.persona-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  letter-spacing: 0.02em;
}

.persona-tag--accent {
  background: rgba(184, 41, 255, 0.14);
  color: var(--accent-violet-light);
  border-color: rgba(184, 41, 255, 0.35);
}

/* 2-Sentence Character Bio */
.persona-card__bio {
  font-size: 0.865rem;
  line-height: 1.55;
  color: var(--text-secondary);
  flex-grow: 1;
  margin: 0.25rem 0 0.5rem;
}

/* Glowing full-width CTA */
.persona-card__footer {
  margin-top: auto;
  padding-top: 0.25rem;
}

.persona-card__footer .btn {
  font-size: 0.9rem;
  padding: 0.65rem 1rem;
}

/* ==========================================================================
   5. FAQ Section
   ========================================================================== */
.faq__container {
  max-width: 800px;
}

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

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.faq-item[open] {
  border-color: var(--border-highlight);
  background-color: var(--bg-card-hover);
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

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

.faq-question::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--accent-violet);
  transition: transform var(--transition-fast);
}

.faq-item[open] .faq-question::after {
  content: "−";
  color: var(--accent-crimson);
}

.faq-answer {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-answer p:not(:last-child) {
  margin-bottom: 0.75rem;
}

.faq-answer strong {
  color: #ffffff;
}

.faq-answer ul {
  list-style: disc;
  margin: 0.5rem 0 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.faq-answer li {
  color: var(--text-secondary);
}

/* ==========================================================================
   6. Footer & Compliance
   ========================================================================== */
.site-footer {
  background-color: #08060a;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2.5rem;
  margin-top: var(--spacing-2xl);
  position: relative;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: flex-start;
  }
}

.footer__brand {
  max-width: 580px;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.footer__compliance {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer__age-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-crimson-light);
  background: rgba(255, 30, 86, 0.12);
  border: 1px solid var(--border-crimson);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  width: fit-content;
  letter-spacing: 0.05em;
}

.footer__disclaimer {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.footer__meta {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

@media (min-width: 768px) {
  .footer__meta {
    align-items: flex-end;
    text-align: right;
  }
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer__domain-link {
  display: inline-block;
  font-size: 0.775rem;
  color: #555162;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.footer__domain-link:hover {
  color: var(--accent-violet-light);
}