:root {
  --bg-main: #0a0e17;
  --bg-card: #121826;
  --bg-card-hover: #1a2337;
  --bg-input: #0e1422;
  --border-color: #212d45;
  --border-focus: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-glow: rgba(59, 130, 246, 0.25);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f8fafc;
  --border-color: #e2e8f0;
  --border-focus: #2563eb;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-glow: rgba(37, 99, 235, 0.15);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 6px 18px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

/* Site Header */
.site-header {
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #1d4ed8, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.logo-icon.small {
  width: 32px;
  height: 32px;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.logo-tagline {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

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

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: var(--transition);
}

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

.theme-toggle-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  border-color: var(--primary);
  color: var(--text-primary);
}

/* Header Google Play Button - Box with rounded corners and thin border */
.app-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.38rem 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  color: #ffffff;
  text-decoration: none;
  font-size: 0.82rem;
  font-weight: 500;
  line-height: 1;
  transition: var(--transition);
  white-space: nowrap;
}

[data-theme="light"] .app-btn {
  background: #f8fafc;
  border-color: #d1d5db;
  color: #0f172a;
}

.app-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .app-btn:hover {
  background: #f1f5f9;
  border-color: #94a3b8;
  color: #0f172a;
}

.app-btn .play-icon {
  flex-shrink: 0;
  display: block;
}

[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }

/* Ad Slots */
.ad-slot {
  max-width: 1000px;
  margin: 1.25rem auto;
  padding: 0.5rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
  min-height: 90px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.ad-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

/* Main Layout */
.main-layout {
  flex: 1;
  max-width: 1100px;
  width: 100%;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* Hero Section */
.hero-section {
  text-align: center;
  margin-bottom: 2.5rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
  padding: 0.35rem 0.95rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  border: 1px solid rgba(59, 130, 246, 0.2);
  margin-bottom: 1.25rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px var(--primary);
}

.hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.85rem;
  line-height: 1.2;
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto 2rem;
}

/* Temporary Email Main Card */
.email-card-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  max-width: 780px;
  margin: 0 auto;
}

.email-input-wrapper {
  margin-bottom: 1.5rem;
}

.email-address-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.25rem;
  cursor: pointer;
  transition: var(--transition);
}

.email-address-display:hover {
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.address-text {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.icon-copy-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border-radius: var(--radius-sm);
}

.icon-copy-btn:hover {
  color: var(--primary);
  background: rgba(59, 130, 246, 0.1);
}

.email-card-controls {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

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

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

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  background: var(--danger);
  color: #fff;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-text-link {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 700;
  cursor: pointer;
  font-size: 0.88rem;
  transition: var(--transition);
}

.btn-text-link:hover {
  text-decoration: underline;
}

/* Countdown bar */
.countdown-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.countdown-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.countdown-label strong {
  font-family: var(--font-mono);
  color: var(--text-primary);
  font-weight: 700;
}

/* Inbox Section */
.inbox-section {
  max-width: 880px;
  margin: 2.5rem auto;
}

.inbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.inbox-title-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.inbox-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.message-badge {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
}

.inbox-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

.status-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.inbox-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  min-height: 280px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* Empty State */
.inbox-empty-state {
  padding: 4rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.empty-icon-spinner {
  margin-bottom: 1.25rem;
  color: var(--primary);
  animation: pulseRadar 2.5s infinite;
}

@keyframes pulseRadar {
  0% { transform: scale(0.95); opacity: 0.7; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.7; }
}

.inbox-empty-state h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.inbox-empty-state p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  max-width: 480px;
}

/* Messages List */
.messages-list {
  display: flex;
  flex-direction: column;
}

.message-item {
  display: grid;
  grid-template-columns: 220px 1fr 120px;
  align-items: center;
  gap: 1.25rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
  transition: var(--transition);
}

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

.message-item:hover {
  background: var(--bg-card-hover);
}

.msg-sender {
  font-weight: 700;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.msg-subject-preview {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.msg-subject {
  font-weight: 600;
  color: var(--text-primary);
}

.msg-snippet {
  color: var(--text-muted);
  font-size: 0.88rem;
}

.msg-time {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-align: right;
  font-family: var(--font-mono);
}

/* Features Grid */
.features-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
}

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

.feature-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* Email Reader Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 900px;
  height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.modal-subject {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

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

.close-modal-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.5rem;
  transition: var(--transition);
}

.close-modal-btn:hover {
  color: var(--danger);
}

.modal-toolbar {
  padding: 0.75rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.view-mode-toggle {
  display: flex;
  gap: 0.5rem;
}

.toggle-tab {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.modal-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #ffffff;
}

.sandbox-container {
  width: 100%;
  height: 100%;
  flex: 1;
}

#emailSandboxIframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #ffffff;
}

.plain-text-container {
  padding: 1.5rem;
  overflow-y: auto;
  height: 100%;
  background: var(--bg-card);
  color: var(--text-primary);
}

#emailPlainText {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: pre-wrap;
  line-height: 1.6;
}

.attachments-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.attachment-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  text-decoration: none;
  transition: var(--transition);
}

.attachment-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Toast Notification Center */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideToast 0.25s ease-out;
}

.toast-success { border-left: 4px solid var(--success); }
.toast-error { border-left: 4px solid var(--danger); }
.toast-info { border-left: 4px solid var(--primary); }

@keyframes slideToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* SEO Articles & Legal Pages Layout */
.seo-article-layout, .legal-page-layout {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  max-width: 900px;
  margin: 0 auto;
}

.breadcrumb-nav {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb-nav a {
  color: var(--primary);
  text-decoration: none;
}

.article-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.article-meta-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.article-title {
  font-size: 2.3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.article-intro {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.article-tool-cta {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(37, 99, 235, 0.05));
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  margin-bottom: 2.5rem;
}

.article-content-body {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.article-content-body h2 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2.25rem 0 1rem;
}

.article-content-body p {
  margin-bottom: 1.25rem;
}

.article-content-body ul, .article-content-body ol {
  margin: 1rem 0 1.5rem 1.75rem;
}

.article-content-body li {
  margin-bottom: 0.6rem;
}

/* FAQ Section */
.faq-section {
  margin-top: 3rem;
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
}

.faq-section h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

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

.faq-item {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.faq-answer {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.article-footer-cta {
  text-align: center;
  margin-top: 3rem;
}

/* Abuse Form */
.abuse-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.form-input, .form-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

.form-result-msg {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-card);
  margin-top: 4rem;
  padding: 3.5rem 1.5rem 1.5rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 1rem 0;
  max-width: 320px;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--success);
  font-weight: 600;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulseRadar 2s infinite;
}

.footer-heading {
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

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

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Error page */
.error-page-body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.error-container {
  text-align: center;
  max-width: 500px;
  padding: 2rem;
}

.error-container h1 {
  font-size: 6rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}

.error-container h2 {
  font-size: 1.8rem;
  margin: 1rem 0;
}

.error-container p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Steps Grid & How It Works Cards */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: var(--transition);
}

.step-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.step-number {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-glow);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
}

.step-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.step-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Rich Content & Information Sections */
.rich-content-section {
  margin: 3.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2.25rem auto;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Comparison Table */
.table-responsive {
  overflow-x: auto;
  margin: 2rem 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.comparison-table th, .comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: var(--bg-input);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

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

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

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

.check-no {
  color: var(--text-muted);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero-title { font-size: 2rem; }
  .email-card-controls { grid-template-columns: 1fr; }
  .message-item { grid-template-columns: 1fr; gap: 0.5rem; }
  .msg-time { text-align: left; }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .seo-article-layout, .legal-page-layout { padding: 1.5rem; }
  .address-text { font-size: 1.05rem; }
  .header-nav { gap: 0.6rem; }
  .nav-link { font-size: 0.82rem; }
  .app-btn { padding: 0.35rem 0.6rem; font-size: 0.78rem; gap: 0.35rem; }
  .steps-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.6rem; }
}

@media (max-width: 600px) {
  .app-btn {
    padding: 0;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    justify-content: center;
  }
  .app-btn-text {
    display: none;
  }
}