/* Unlimited Faxing — deep slate + teal/emerald SaaS theme */
:root {
  --uf-bg: #0f172a;
  --uf-bg-soft: #1e293b;
  --uf-surface: #ffffff;
  --uf-surface-muted: #f8fafc;
  --uf-border: #e2e8f0;
  --uf-text: #0f172a;
  --uf-text-muted: #64748b;
  --uf-teal: #0d9488;
  --uf-teal-dark: #0f766e;
  --uf-emerald: #10b981;
  --uf-accent: #14b8a6;
  --uf-danger: #ef4444;
  --uf-warning: #f59e0b;
  --uf-info: #3b82f6;
  --uf-radius: 12px;
  --uf-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --uf-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
  --uf-font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html {
  font-size: 16px;
  position: relative;
  min-height: 100%;
}

body {
  font-family: var(--uf-font);
  color: var(--uf-text);
  background: var(--uf-surface-muted);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}

main {
  flex: 1;
}

a {
  color: var(--uf-teal);
  text-decoration: none;
}
a:hover {
  color: var(--uf-teal-dark);
}

/* —— Navbar —— */
.uf-navbar {
  background: var(--uf-bg) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.65rem 0;
  box-shadow: none;
}
.uf-navbar .navbar-brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff !important;
}
.uf-brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--uf-teal), var(--uf-emerald));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
}
.uf-navbar .nav-link {
  color: rgba(255, 255, 255, 0.75) !important;
  font-weight: 500;
  padding: 0.5rem 0.85rem !important;
  border-radius: 8px;
}
.uf-navbar .nav-link:hover,
.uf-navbar .nav-link.active {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08);
}
.uf-navbar .navbar-text {
  color: rgba(255, 255, 255, 0.55) !important;
  font-size: 0.875rem;
}
.btn-uf-primary {
  background: linear-gradient(135deg, var(--uf-teal), var(--uf-emerald));
  border: none;
  color: #fff !important;
  font-weight: 600;
  border-radius: 10px;
  padding: 0.55rem 1.25rem;
  box-shadow: 0 4px 14px rgba(13, 148, 136, 0.35);
}
.btn-uf-primary:hover {
  background: linear-gradient(135deg, var(--uf-teal-dark), #059669);
  color: #fff !important;
  box-shadow: 0 6px 18px rgba(13, 148, 136, 0.45);
}
.btn-uf-outline {
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  color: #fff !important;
  background: transparent;
  font-weight: 600;
  border-radius: 10px;
  padding: 0.5rem 1.1rem;
}
.btn-uf-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff !important;
}
/* Content area (not the dark navbar): outline buttons must stay readable. */
main .btn-uf-outline {
  border-color: var(--uf-border);
  color: var(--uf-text) !important;
  background: #fff;
}
main .btn-uf-outline:hover {
  border-color: var(--uf-teal);
  color: var(--uf-teal) !important;
  background: #fff;
}
.btn-uf-ghost {
  border: 1.5px solid var(--uf-border);
  color: var(--uf-text);
  background: #fff;
  font-weight: 600;
  border-radius: 10px;
  padding: 0.5rem 1.1rem;
}
.btn-uf-ghost:hover {
  border-color: var(--uf-teal);
  color: var(--uf-teal);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.2rem rgba(13, 148, 136, 0.25);
}
.form-control:focus, .form-select:focus {
  border-color: var(--uf-teal);
}

/* —— Cards —— */
.uf-card {
  background: var(--uf-surface);
  border: 1px solid var(--uf-border);
  border-radius: var(--uf-radius);
  box-shadow: var(--uf-shadow);
  overflow: hidden;
}
.uf-card .card-body {
  padding: 1.5rem;
}
.uf-stat-card {
  background: var(--uf-surface);
  border: 1px solid var(--uf-border);
  border-radius: var(--uf-radius);
  padding: 1.25rem 1.35rem;
  box-shadow: var(--uf-shadow);
  height: 100%;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.uf-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--uf-shadow-lg);
}
.uf-stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--uf-text-muted);
  margin-bottom: 0.35rem;
}
.uf-stat-value {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--uf-text);
  line-height: 1.1;
}
.uf-stat-sent .uf-stat-value { color: var(--uf-teal); }
.uf-stat-received .uf-stat-value { color: var(--uf-info); }
.uf-stat-progress .uf-stat-value { color: var(--uf-warning); }
.uf-stat-failed .uf-stat-value { color: var(--uf-danger); }

/* —— Status badges —— */
.uf-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 650;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.uf-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}
.uf-badge-queued { background: #f1f5f9; color: #475569; }
.uf-badge-sending { background: #fef3c7; color: #b45309; }
.uf-badge-sent { background: #ccfbf1; color: #0f766e; }
.uf-badge-received { background: #dbeafe; color: #1d4ed8; }
.uf-badge-failed { background: #fee2e2; color: #b91c1c; }
.uf-badge-cancelled { background: #f1f5f9; color: #64748b; }

/* —— Hero / marketing —— */
.uf-hero {
  background: linear-gradient(160deg, #0f172a 0%, #134e4a 55%, #0f766e 100%);
  color: #fff;
  border-radius: 0 0 28px 28px;
  padding: 4.5rem 0 4rem;
  margin: -1.5rem -12px 0;
  position: relative;
  overflow: hidden;
}
@media (min-width: 992px) {
  .uf-hero { margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); border-radius: 0 0 36px 36px; }
}
.uf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 85% 20%, rgba(16, 185, 129, 0.25), transparent),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(20, 184, 166, 0.15), transparent);
  pointer-events: none;
}
.uf-hero .container { position: relative; z-index: 1; }
.uf-hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--uf-accent);
  background: rgba(20, 184, 166, 0.15);
  border: 1px solid rgba(20, 184, 166, 0.35);
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.uf-hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
  margin-bottom: 1.1rem;
}
.uf-hero .lead {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 36rem;
  margin-bottom: 1.75rem;
}
.uf-hero-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }

.uf-section {
  padding: 4rem 0;
}
.uf-section-title {
  font-size: 1.85rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}
.uf-section-sub {
  color: var(--uf-text-muted);
  font-size: 1.05rem;
  max-width: 36rem;
  margin-bottom: 2.5rem;
}

.uf-feature-card {
  background: #fff;
  border: 1px solid var(--uf-border);
  border-radius: var(--uf-radius);
  padding: 1.5rem;
  height: 100%;
  box-shadow: var(--uf-shadow);
}
.uf-feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.12), rgba(16, 185, 129, 0.18));
  color: var(--uf-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 700;
}
.uf-feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.uf-feature-card p {
  color: var(--uf-text-muted);
  font-size: 0.95rem;
  margin: 0;
}

.uf-step {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}
.uf-step-num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--uf-bg);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.uf-step h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.25rem; }
.uf-step p { color: var(--uf-text-muted); margin: 0; font-size: 0.95rem; }

/* —— Pricing —— */
.uf-pricing-card {
  background: #fff;
  border: 1px solid var(--uf-border);
  border-radius: 16px;
  padding: 2rem 1.75rem;
  height: 100%;
  box-shadow: var(--uf-shadow);
  position: relative;
  display: flex;
  flex-direction: column;
}
.uf-pricing-card.featured {
  border: 2px solid var(--uf-teal);
  box-shadow: 0 12px 40px rgba(13, 148, 136, 0.18);
}
.uf-pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--uf-teal), var(--uf-emerald));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  white-space: nowrap;
}
.uf-price {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--uf-text);
}
.uf-price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--uf-text-muted);
}
.uf-pricing-card ul {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 1.75rem;
  flex: 1;
}
.uf-pricing-card ul li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
  color: var(--uf-text);
}
.uf-pricing-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--uf-teal);
  font-weight: 700;
}
.uf-fair-use {
  font-size: 0.85rem;
  color: var(--uf-text-muted);
  background: var(--uf-surface-muted);
  border: 1px solid var(--uf-border);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
}

/* —— FAQ —— */
.uf-faq-item {
  background: #fff;
  border: 1px solid var(--uf-border);
  border-radius: 10px;
  padding: 1.15rem 1.35rem;
  margin-bottom: 0.75rem;
}
.uf-faq-item h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.uf-faq-item p {
  color: var(--uf-text-muted);
  margin: 0;
  font-size: 0.95rem;
}

/* —— Tables —— */
.uf-table {
  background: #fff;
  border: 1px solid var(--uf-border);
  border-radius: var(--uf-radius);
  overflow: hidden;
  box-shadow: var(--uf-shadow);
}
.uf-table table {
  margin: 0;
}
.uf-table thead th {
  background: var(--uf-surface-muted);
  border-bottom: 1px solid var(--uf-border);
  font-size: 0.75rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--uf-text-muted);
  padding: 0.85rem 1rem;
  white-space: nowrap;
}
.uf-table tbody td {
  padding: 0.9rem 1rem;
  vertical-align: middle;
  border-color: var(--uf-border);
  font-size: 0.925rem;
}
.uf-table tbody tr:hover {
  background: rgba(13, 148, 136, 0.03);
}
.uf-table a {
  font-weight: 600;
  color: var(--uf-text);
}
.uf-table a:hover {
  color: var(--uf-teal);
}

/* —— Empty state —— */
.uf-empty {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: #fff;
  border: 1px dashed var(--uf-border);
  border-radius: var(--uf-radius);
}
.uf-empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(13, 148, 136, 0.1), rgba(16, 185, 129, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--uf-teal);
}
.uf-empty h3 {
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.uf-empty p {
  color: var(--uf-text-muted);
  max-width: 28rem;
  margin: 0 auto 1.5rem;
}

/* —— Auth cards —— */
.uf-auth-wrap {
  max-width: 440px;
  margin: 2rem auto 3rem;
}
.uf-auth-card {
  background: #fff;
  border: 1px solid var(--uf-border);
  border-radius: 16px;
  box-shadow: var(--uf-shadow-lg);
  padding: 2rem;
}
.uf-auth-card h1 {
  font-size: 1.5rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.uf-auth-card .uf-auth-sub {
  color: var(--uf-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* —— Page headers —— */
.uf-page-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.uf-page-header h1 {
  font-size: 1.65rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  margin: 0;
}
.uf-page-header p {
  color: var(--uf-text-muted);
  margin: 0.25rem 0 0;
  font-size: 0.95rem;
}

/* —— Details —— */
.uf-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}
.uf-detail-item label {
  display: block;
  font-size: 0.75rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--uf-text-muted);
  margin-bottom: 0.3rem;
}
.uf-detail-item .value {
  font-weight: 600;
  font-size: 0.975rem;
  word-break: break-word;
}

/* —— Legal pages —— */
.uf-legal {
  max-width: 720px;
  margin: 0 auto 3rem;
}
.uf-legal h1 {
  font-size: 1.85rem;
  font-weight: 750;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}
.uf-legal .uf-legal-meta {
  color: var(--uf-text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
.uf-legal h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}
.uf-legal p, .uf-legal li {
  color: #334155;
  line-height: 1.65;
}
.uf-legal ul {
  padding-left: 1.25rem;
}

/* —— Footer —— */
.uf-footer {
  background: var(--uf-bg);
  color: rgba(255, 255, 255, 0.65);
  padding: 2.5rem 0 1.75rem;
  margin-top: 3rem;
  font-size: 0.9rem;
}
.uf-footer a {
  color: rgba(255, 255, 255, 0.75);
}
.uf-footer a:hover {
  color: #fff;
}
.uf-footer-brand {
  color: #fff;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.uf-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.uf-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.45);
}

/* —— Forms —— */
.form-label {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
}
.form-control, .form-select {
  border-radius: 10px;
  border-color: var(--uf-border);
  padding: 0.6rem 0.85rem;
}
.form-text {
  color: var(--uf-text-muted);
  font-size: 0.825rem;
}
.form-check-input:checked {
  background-color: var(--uf-teal);
  border-color: var(--uf-teal);
}

.uf-alert-success {
  background: #ccfbf1;
  border: 1px solid #99f6e4;
  color: #115e59;
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
}

.uf-alert-warning {
  background: #fef3c7;
  border: 1px solid #fde68a;
  color: #92400e;
  border-radius: 10px;
  padding: 0.85rem 1.1rem;
}

.uf-cta-band {
  background: linear-gradient(135deg, #0f172a, #134e4a);
  color: #fff;
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  margin: 2rem 0;
}
.uf-cta-band h2 {
  font-weight: 750;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.uf-cta-band p {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 1.5rem;
}

.dir-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: #f1f5f9;
  color: #475569;
}
.dir-pill.inbound { background: #dbeafe; color: #1d4ed8; }
.dir-pill.outbound { background: #ccfbf1; color: #0f766e; }