/* ==========================================================================
   components.css - Layout Components & UI Elements
   Product: 𝕏 (Twitter) Auto Reply & Post Creator No API
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 100;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(9, 10, 15, 0.92);
  border-bottom-color: var(--border-medium);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: 16px;
  max-width: 1280px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--text-primary);
  flex-shrink: 0;
  white-space: nowrap;
}

.nav-brand-logo {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1d9bf0, #be8ef2);
  padding: 2px;
  box-shadow: 0 2px 10px rgba(190, 142, 242, 0.35);
  flex-shrink: 0;
}

.nav-brand-logo img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
}

.nav-brand-text {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.nav-brand-tag {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  background: rgba(190, 142, 242, 0.15);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  color: var(--accent-purple);
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.4;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 24px);
  list-style: none;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Ecosystem Parent Domain Link */
.nav-ecosystem-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-ecosystem-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-focus);
  box-shadow: 0 4px 16px rgba(190, 142, 242, 0.2);
  transform: translateY(-1px);
}

.nav-ecosystem-icon {
  flex-shrink: 0;
  color: var(--accent-purple);
  transition: transform var(--transition-fast);
}

.nav-ecosystem-link:hover .nav-ecosystem-icon {
  transform: rotate(15deg);
}

.nav-ecosystem-link .external-arrow {
  flex-shrink: 0;
  opacity: 0.6;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-ecosystem-link:hover .external-arrow {
  opacity: 1;
  transform: translate(1px, -1px);
}

.nav-github-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.nav-github-link:hover {
  color: #ffffff;
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.08);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  padding: 8px;
}

.nav-mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Drawer */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(9, 10, 15, 0.98);
  border-bottom: 1px solid var(--border-medium);
  padding: 24px;
  z-index: 99;
  flex-direction: column;
  gap: 18px;
}

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

.mobile-menu .nav-link {
  font-size: 1.125rem;
  padding: 8px 0;
}

/* --------------------------------------------------------------------------
   2. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  text-align: center;
}

.hero-badge-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(190, 142, 242, 0.08);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-purple-light);
  box-shadow: 0 2px 14px rgba(190, 142, 242, 0.12);
}

.hero-pill-highlight {
  background: linear-gradient(135deg, #1d9bf0, #be8ef2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 700;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  max-width: 960px;
  margin: 0 auto 24px auto;
}

.hero-title .brand-gradient {
  background: linear-gradient(135deg, #ffffff 40%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 36px auto;
  line-height: 1.6;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-metrics {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  max-width: 720px;
  margin: 0 auto;
}

.metric-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.metric-item svg, .metric-item .metric-icon {
  color: var(--accent-purple);
  font-size: 14px;
}

/* --------------------------------------------------------------------------
   3. Interactive Hero Tweet Mockup Card
   -------------------------------------------------------------------------- */
.hero-mockup-wrap {
  margin-top: 60px;
  position: relative;
}

.mockup-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  height: 80%;
  background: radial-gradient(circle, rgba(190, 142, 242, 0.16) 0%, rgba(29, 155, 240, 0.08) 50%, transparent 75%);
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

.mockup-card-container {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(190, 142, 242, 0.1);
  overflow: hidden;
  text-align: left;
}

/* Mockup Header & Topic Tabs */
.mockup-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(9, 10, 15, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.mockup-window-controls {
  display: flex;
  align-items: center;
  gap: 7px;
}

.window-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.window-dot.red { background: #ef4444; }
.window-dot.yellow { background: #f59e0b; }
.window-dot.green { background: #10b981; }

.mockup-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.04);
  padding: 3px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.mockup-tab-btn {
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.mockup-tab-btn.active {
  background: var(--accent-purple);
  color: var(--bg-primary);
  font-weight: 600;
}

.mockup-tab-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

/* Tweet Inner Content */
.tweet-content-box {
  padding: 24px;
}

.tweet-author-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.tweet-author-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tweet-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.author-meta {
  display: flex;
  flex-direction: column;
}

.author-name-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

.author-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.verified-badge {
  color: var(--twitter-blue);
  width: 16px;
  height: 16px;
}

.author-handle {
  font-size: 14px;
  color: var(--text-tertiary);
}

.tweet-x-icon {
  color: var(--text-tertiary);
  opacity: 0.6;
}

.tweet-body-text {
  font-size: 16px;
  line-height: 1.5;
  color: #e2e8f0;
  margin-bottom: 16px;
}

.tweet-stats-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  font-size: 13px;
  margin-bottom: 20px;
}

.tweet-stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.tweet-stat-item:hover {
  color: var(--text-primary);
}

/* Reply Composer Area (Where the extension shines!) */
.mockup-composer-area {
  background: rgba(9, 10, 15, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  position: relative;
  transition: border-color var(--transition-normal);
}

.mockup-composer-area.generating {
  border-color: var(--border-focus);
  box-shadow: 0 0 24px rgba(190, 142, 242, 0.15);
}

.composer-user-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.composer-user-tag {
  font-size: 13px;
  color: var(--text-tertiary);
}

.composer-user-tag span {
  color: var(--accent-purple);
  font-weight: 500;
}

.engine-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  color: #34d399;
}

/* Reply Output Box */
.mockup-reply-textarea {
  min-height: 84px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 16px;
  word-break: break-word;
}

.mockup-reply-textarea.placeholder {
  color: var(--text-tertiary);
  font-style: italic;
}

/* Tone Selector Chips */
.composer-tones-section {
  margin-bottom: 16px;
}

.tones-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  margin-bottom: 8px;
}

.tones-label span.hint {
  color: var(--accent-purple);
  font-weight: 500;
  text-transform: none;
  letter-spacing: normal;
}

.tone-chips-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tone-chip-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.tone-chip-btn:hover {
  background: rgba(190, 142, 242, 0.12);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.tone-chip-btn.active {
  background: rgba(190, 142, 242, 0.22);
  border-color: var(--accent-purple);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(190, 142, 242, 0.25);
}

/* Action Controls (The Actual In-Twitter Extension Split-Button) */
.composer-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.composer-left-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Genuine Twitter Extension Button Replica */
.gemini-reply-wrapper-mockup {
  display: inline-flex;
  align-items: center;
  position: relative;
}

.gemini-reply-btn-mockup {
  display: inline-flex;
  align-items: stretch;
  background: linear-gradient(135deg, #1d9bf0, #be8ef2);
  border-radius: var(--radius-full);
  padding: 0;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(190, 142, 242, 0.35);
  transition: all var(--transition-fast);
  border: none;
  cursor: pointer;
}

.gemini-reply-btn-mockup:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 18px rgba(190, 142, 242, 0.5);
  filter: brightness(1.08);
}

.gemini-reply-action-mockup {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: transparent;
  color: #ffffff;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  user-select: none;
}

.gemini-reply-divider-mockup {
  width: 1px;
  background: rgba(255, 255, 255, 0.3);
  margin: 6px 0;
}

.gemini-reply-arrow-mockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  color: #ffffff;
  font-size: 12px;
}

.composer-util-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

.util-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.util-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.btn-post-mockup {
  background: #ffffff;
  color: #0f1419;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  transition: opacity var(--transition-fast);
}

.btn-post-mockup:hover {
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   4. How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 48px;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(190, 142, 242, 0.08);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(190, 142, 242, 0.12);
  border: 1px solid var(--border-accent);
  color: var(--accent-purple);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 20px;
}

.step-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 18px;
}

.step-micro-visual {
  margin-top: auto;
  padding: 12px;
  background: rgba(9, 10, 15, 0.5);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-micro-visual span.badge {
  color: var(--accent-purple);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   5. Three AI Engines Section
   -------------------------------------------------------------------------- */
.engines-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.engine-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}

.engine-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 25px rgba(190, 142, 242, 0.12);
}

.engine-card.featured {
  border-color: var(--border-accent);
  background: linear-gradient(180deg, rgba(26, 30, 47, 0.9) 0%, rgba(19, 22, 34, 0.95) 100%);
  box-shadow: 0 12px 32px rgba(190, 142, 242, 0.15);
}

.engine-ribbon {
  position: absolute;
  top: 16px;
  right: 18px;
  background: linear-gradient(135deg, #1d9bf0, #be8ef2);
  color: #ffffff;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.engine-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-lg);
  background: rgba(190, 142, 242, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.engine-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.engine-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.engine-specs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-subtle);
}

.engine-spec-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.engine-spec-item .label {
  color: var(--text-tertiary);
}

.engine-spec-item .val {
  font-weight: 600;
  color: var(--text-primary);
}

.engine-spec-item .val.highlight {
  color: var(--accent-purple);
}

/* Engine Comparison Matrix Table */
.engine-matrix-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow-x: auto;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.engine-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 680px;
}

.engine-table th, .engine-table td {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 14px;
}

.engine-table th {
  background: rgba(9, 10, 15, 0.7);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-secondary);
}

.engine-table th.col-featured {
  color: var(--accent-purple);
  background: rgba(190, 142, 242, 0.08);
}

.engine-table tr:last-child td {
  border-bottom: none;
}

.engine-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.check-green {
  color: var(--color-success);
  font-weight: 700;
}

.cross-dim {
  color: var(--text-tertiary);
}

/* --------------------------------------------------------------------------
   6. Features Grid Section
   -------------------------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(190, 142, 242, 0.08);
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(190, 142, 242, 0.1);
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}

.feature-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   7. Privacy & Trust Section
   -------------------------------------------------------------------------- */
.privacy-shield-container {
  background: linear-gradient(180deg, rgba(19, 22, 34, 0.95) 0%, rgba(14, 16, 23, 0.95) 100%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 40px rgba(190, 142, 242, 0.1);
  position: relative;
  overflow: hidden;
}

.privacy-shield-container::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.privacy-header-content {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px auto;
}

.privacy-shield-icon {
  font-size: 40px;
  margin-bottom: 16px;
  display: inline-block;
}

.privacy-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.privacy-pillar-card {
  background: rgba(9, 10, 15, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.pillar-icon {
  font-size: 22px;
  margin-bottom: 12px;
}

.pillar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* Permissions Transparency Box */
.permissions-accordion {
  background: rgba(9, 10, 15, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.permissions-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
}

.permissions-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

.perm-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 255, 255, 0.02);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.perm-item code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-purple);
  font-weight: 600;
}

.perm-item span {
  font-size: 12px;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   8. Product Screenshot & Demo Showcase Section
   -------------------------------------------------------------------------- */
.showcase-browser-frame {
  background: var(--bg-card);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 40px rgba(190, 142, 242, 0.12);
  max-width: 1060px;
  margin: 0 auto;
}

.showcase-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(9, 10, 15, 0.9);
  border-bottom: 1px solid var(--border-subtle);
  gap: 16px;
  flex-wrap: wrap;
}

.showcase-tab-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.showcase-tab-btn {
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.showcase-tab-btn.active {
  background: var(--accent-purple);
  color: var(--bg-primary);
  font-weight: 700;
}

.showcase-tab-btn:hover:not(.active) {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.showcase-body {
  position: relative;
  background: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  overflow: hidden;
}

.showcase-image {
  width: 100%;
  height: auto;
  max-height: 600px;
  object-fit: contain;
  display: none;
}

.showcase-image.active {
  display: block;
}

/* --------------------------------------------------------------------------
   9. FAQ Section
   -------------------------------------------------------------------------- */
.faq-accordion-wrap {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

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

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

.faq-trigger {
  padding: 22px 24px;
  font-size: 1.075rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
  user-select: none;
}

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

.faq-icon {
  width: 22px;
  height: 22px;
  color: var(--accent-purple);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

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

.faq-body {
  padding: 0 24px 22px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.faq-body code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-purple-light);
}

/* --------------------------------------------------------------------------
   10. Final CTA Banner
   -------------------------------------------------------------------------- */
.final-cta-section {
  padding: 100px 0;
}

.final-cta-card {
  position: relative;
  background: radial-gradient(circle at 50% 0%, rgba(190, 142, 242, 0.22) 0%, rgba(14, 16, 23, 0.95) 75%);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  padding: 72px 32px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 50px rgba(190, 142, 242, 0.15);
  overflow: hidden;
}

.final-cta-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}

.final-cta-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px auto;
}

.final-cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: rgba(9, 10, 15, 0.95);
  padding: 60px 0 36px 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 36px;
  margin-bottom: 48px;
}

.footer-brand-col {
  max-width: 360px;
}

.footer-tagline {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  margin-top: 12px;
  line-height: 1.5;
}

.footer-links-grid {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-purple);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  border-top: 1px solid var(--border-subtle);
  font-size: 13px;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: 16px;
}

.footer-heart {
  color: #ef4444;
}

/* Toast Notification */
.site-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card-elevated);
  border: 1px solid var(--border-focus);
  color: var(--text-primary);
  padding: 12px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 1000;
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

.site-toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .nav-ecosystem-text,
  .nav-ecosystem-link .external-arrow {
    display: none;
  }

  .nav-ecosystem-link {
    width: 40px;
    height: 40px;
    padding: 0;
    justify-content: center;
  }
}

@media (max-width: 992px) {
  .nav-links {
    display: none;
  }

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

  .engines-cards-grid {
    grid-template-columns: 1fr;
  }

  .privacy-shield-container {
    padding: 36px 24px;
  }
}

@media (max-width: 640px) {
  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .mockup-header-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .mockup-tabs {
    width: 100%;
    overflow-x: auto;
  }

  .composer-actions-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .composer-actions-bar .gemini-reply-wrapper-mockup {
    width: 100%;
  }

  .gemini-reply-btn-mockup {
    width: 100%;
    justify-content: center;
  }

  .final-cta-card {
    padding: 48px 20px;
  }

  .nav-brand-tag {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-actions {
    gap: 8px;
  }
}