/* ============================================
   Silent Howl Labs — Design System
   ============================================ */

:root {
  --bg-primary: #09090b;
  --bg-secondary: #111113;
  --bg-card: #16161a;
  --bg-elevated: #1e1e22;
  --bg-input: #16161a;
  --border: #27272a;
  --border-subtle: #1e1e22;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #8b5cf6;
  --accent-hover: #a78bfa;
  --accent-subtle: rgba(139, 92, 246, 0.1);
  --accent-gradient: linear-gradient(135deg, #8b5cf6, #6366f1, #06b6d4);
  --success: #22c55e;
  --success-subtle: rgba(34, 197, 94, 0.1);
  --warning: #f59e0b;
  --warning-subtle: rgba(245, 158, 11, 0.1);
  --error: #ef4444;
  --error-subtle: rgba(239, 68, 68, 0.1);
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);
  --transition: 150ms ease;
  --container: 1200px;
  --nav-h: 64px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; }

/* === Typography === */
h1 { font-size: 2.75rem; font-weight: 700; line-height: 1.15; letter-spacing: -0.03em; color: var(--text-primary); }
h2 { font-size: 2rem; font-weight: 600; line-height: 1.2; letter-spacing: -0.02em; }
h3 { font-size: 1.25rem; font-weight: 600; line-height: 1.35; }
h4 { font-size: 1rem; font-weight: 600; }
.text-gradient {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }

/* === Layout === */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-header p { margin-top: 12px; font-size: 1.1rem; color: var(--text-secondary); }
main { min-height: calc(100vh - var(--nav-h) - 200px); }

/* === Grid === */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* === Flex Utilities === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }

/* === Navbar === */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.navbar-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.navbar-brand:hover { color: var(--text-primary); }
.navbar-brand svg { width: 28px; height: 28px; }
.navbar-logo { width: 32px; height: 32px; object-fit: contain; }
.navbar-links { display: flex; align-items: center; gap: 8px; }
.navbar-links a, .navbar-links button {
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition);
  background: none;
  border: none;
  cursor: pointer;
}
.navbar-links a:hover, .navbar-links button:hover { color: var(--text-primary); background: var(--bg-elevated); }
.navbar-links a.active { color: var(--text-primary); }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; }
.btn-secondary { background: transparent; color: var(--text-primary); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg-elevated); border-color: var(--text-muted); }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-elevated); color: var(--text-primary); }
.btn-danger { background: var(--error); color: #fff; border-color: var(--error); }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}
.card:hover { border-color: #3f3f46; }
.card-elevated { background: var(--bg-elevated); }
.card-header { margin-bottom: 16px; }
.card-header h3 { margin-bottom: 4px; }
.card-body { color: var(--text-secondary); font-size: 0.925rem; }
.card-footer { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

/* === Forms === */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-input, .form-select, .form-textarea {
  display: block;
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 0.925rem;
  font-family: inherit;
  transition: all var(--transition);
  outline: none;
  box-sizing: border-box;
}
.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2371717a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-select option {
  background: var(--bg-card);
  color: var(--text-primary);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-muted); }
.form-textarea { min-height: 120px; resize: vertical; }
.form-error { color: var(--error); font-size: 0.8rem; margin-top: 6px; }
.form-help { color: var(--text-muted); font-size: 0.8rem; margin-top: 4px; }

.auth-container {
  max-width: 420px;
  margin: 60px auto;
  padding: 0 24px;
}
.auth-container .card { padding: 32px; }
.auth-container h1 { font-size: 1.75rem; margin-bottom: 8px; }
.auth-container .subtitle { color: var(--text-secondary); margin-bottom: 24px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: 0.875rem; color: var(--text-muted); }
.auth-footer a { color: var(--accent); }

/* Google button */
.btn-google {
  background: #fff;
  color: #3c4043;
  border: 1px solid #dadce0;
  font-weight: 500;
  font-size: 0.9rem;
  gap: 10px;
  padding: 11px 20px;
}
.btn-google:hover {
  background: #f7f8f8;
  border-color: #c6c6c6;
  color: #3c4043;
}
.btn-google svg { flex-shrink: 0; }

/* Auth divider */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
}
.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-success { background: var(--success-subtle); color: var(--success); }
.badge-warning { background: var(--warning-subtle); color: var(--warning); }
.badge-error { background: var(--error-subtle); color: var(--error); }
.badge-accent { background: var(--accent-subtle); color: var(--accent); }
.badge-neutral { background: var(--bg-elevated); color: var(--text-muted); }

/* === Tables === */
.table-wrapper { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius-lg); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; font-size: 0.875rem; }
th { background: var(--bg-secondary); color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.05em; }
td { border-top: 1px solid var(--border); color: var(--text-secondary); }
tr:hover td { background: var(--bg-card); }

/* === Tabs === */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; overflow-x: auto; }
.tab {
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}
.tab:hover { color: var(--text-secondary); }
.tab.active { color: var(--text-primary); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* === Content / Legal Pages === */
.content-block h2 { font-size: 1.35rem; margin: 32px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.content-block h3 { font-size: 1.1rem; margin: 20px 0 8px; color: var(--text-secondary); }
.content-block p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px; }
.content-block ul { color: var(--text-secondary); line-height: 1.8; margin: 8px 0 16px 20px; }
.content-block li { margin-bottom: 6px; }
.legal-page .content-block h2:first-child { margin-top: 0; }
.values-list { list-style: none; padding: 0; margin: 12px 0 24px; }
.values-list li { padding: 12px 16px; border-left: 3px solid var(--accent); margin-bottom: 8px; background: var(--bg-card); border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-secondary); line-height: 1.7; }

/* === Hero Section === */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-subtle) 0%, transparent 70%);
  pointer-events: none;
}
.hero h1 { font-size: 3.5rem; margin-bottom: 16px; position: relative; }
.hero p { font-size: 1.2rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; position: relative; }
.hero-actions { display: flex; gap: 12px; justify-content: center; position: relative; }
.hero-logo { display: block; max-width: 220px; height: auto; margin: 0 auto 24px; position: relative; filter: drop-shadow(0 0 30px rgba(139, 92, 246, 0.3)); }

/* === Product Card === */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: all 200ms ease;
}
.product-card:hover { border-color: #3f3f46; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.product-type { margin-bottom: 12px; }
.product-card h3 { margin-bottom: 8px; }
.product-card .description { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 16px; flex: 1; }
.product-price { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; }
.product-price span { font-size: 0.875rem; font-weight: 400; color: var(--text-muted); }

/* === Features List === */
.features-list { list-style: none; }
.features-list li {
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.features-list li::before { content: '✓'; color: var(--success); font-weight: 700; }

/* === FAQ === */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question::after { content: '+'; font-size: 1.25rem; color: var(--text-muted); transition: transform var(--transition); }
.faq-item.open .faq-question::after { content: '−'; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 300ms ease; }
.faq-answer p { padding-bottom: 20px; color: var(--text-secondary); font-size: 0.925rem; }
.faq-item.open .faq-answer { max-height: 200px; }

/* === Account / Dashboard === */
.dashboard-header { padding: 32px 0; border-bottom: 1px solid var(--border); margin-bottom: 32px; }
.dashboard-header h1 { font-size: 1.75rem; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; }
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; }
.stat-card .stat-label { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }

.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state p { margin-top: 8px; }

/* === Modal === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 500px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
}
.modal h2 { font-size: 1.35rem; margin-bottom: 20px; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

/* === Alerts === */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  margin-bottom: 16px;
}
.alert-error { background: var(--error-subtle); color: var(--error); border: 1px solid rgba(239, 68, 68, 0.2); }
.alert-success { background: var(--success-subtle); color: var(--success); border: 1px solid rgba(34, 197, 94, 0.2); }
.alert-warning { background: var(--warning-subtle); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }

/* === Misc === */
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
}
.loading-spinner::after {
  content: '';
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 80px;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand p { margin-top: 12px; max-width: 280px; line-height: 1.7; }
.footer-logo { width: 48px; height: 48px; object-fit: contain; margin-bottom: 8px; }
.footer-col h4 { color: var(--text-secondary); margin-bottom: 16px; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col a { display: block; padding: 4px 0; color: var(--text-muted); font-size: 0.875rem; }
.footer-col a:hover { color: var(--text-primary); }
.footer-bottom { padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }

/* === Responsive === */
@media (max-width: 1024px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .navbar-links { display: none; }
  .navbar-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 16px;
  }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2.25rem; }
  .hero { padding: 60px 0 48px; }
  .section { padding: 48px 0; }
  h2 { font-size: 1.5rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .admin-form-wrapper { flex-direction: column; }
  .admin-form-preview { order: -1; }
}

/* === Admin Panel === */
.admin-toolbar { margin-bottom: 20px; }
.admin-form-wrapper { display: flex; gap: 24px; margin-top: 16px; }
.admin-form-main { flex: 1; min-width: 0; }
.admin-form-preview { width: 320px; flex-shrink: 0; position: sticky; top: calc(var(--nav-h) + 16px); align-self: flex-start; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--border); }
.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
}
.toggle-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}
code { background: var(--bg-elevated); padding: 2px 6px; border-radius: 4px; font-size: 0.85em; color: var(--accent); }
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero h1 { font-size: 1.85rem; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .modal { padding: 24px; }
  .stat-grid { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-sidebar { position: static; }
  .contact-form-row { grid-template-columns: 1fr; }
}

/* ============================================
   Contact Page
   ============================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 32px;
  align-items: start;
}
.contact-section-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--text-primary);
}
.contact-sidebar {
  position: sticky;
  top: 100px;
}
.contact-channels-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contact-channel {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.contact-channel:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-subtle);
}
.contact-channel-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-subtle);
  border-radius: var(--radius);
}
.contact-channel-body {
  min-width: 0;
}
.contact-channel-body h4 {
  margin: 0 0 2px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
}
.contact-channel-value {
  margin: 0;
}
.contact-channel-value a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
}
.contact-channel-value a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}
.contact-channel-body .text-sm {
  margin: 2px 0 0;
  font-size: 0.8rem;
}
.contact-form-card {
  padding: 32px !important;
}
.contact-form-card .form-group:last-of-type {
  margin-bottom: 20px;
}
.contact-form-card .btn {
  margin-top: 8px;
}
.contact-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.contact-form-row .form-group {
  margin-bottom: 0;
}
.contact-schedule {
  margin-top: 24px;
}
.contact-schedule h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}
.contact-schedule-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-schedule-item {
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.contact-schedule-item h4 {
  margin: 0 0 2px;
  font-size: 0.9rem;
}