html.text-large body { zoom:1.12; }
html.text-xlarge body { zoom:1.25; }
:root {
  --hm-bg:#f5f6f8;
  --hm-card:#fff;
  --hm-border:#e5e7eb;
  --hm-text:#1a1a1a;
  --hm-muted:#6b7280;
  --hm-body:#374151;
  --hm-pill-bg:#f9fafb;
  --hm-pill-hover:#eff6ff;
  --hm-blue:#1d4ed8;
  --hm-blue-light:#3b82f6;
  --hm-teal:#0d9488;
  --hm-highlight-bg:#eff6ff;
  --hm-highlight-border:#bfdbfe;
  --hm-highlight-text:#1e40af;
  --hm-bar-track:#f3f4f6;
  --hm-toggle-bg:#ebedf1;
}

body {
  margin:0;
  background:var(--hm-bg);
  color:var(--hm-text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

main {
  max-width:1040px;
  margin:16px auto 40px;
  padding:0 16px;
}

a { color:var(--hm-blue); text-decoration:none; }
a:hover { text-decoration:underline; }

h1 {
  margin:0 0 12px;
  font-size:34px;
  letter-spacing:-.025em;
  color:var(--hm-text);
  line-height:1.25;
  font-family:'Source Serif 4',Georgia,serif;
  font-weight:700;
}

h2 {
  margin:40px 0 14px;
  font-size:23px;
  letter-spacing:-.015em;
  color:var(--hm-text);
  font-family:'Source Serif 4',Georgia,serif;
  font-weight:600;
}

h3 {
  margin:28px 0 10px;
  font-size:17px;
  color:var(--hm-text);
  font-weight:600;
}

p {
  margin:0 0 16px;
  color:var(--hm-body);
  font-size:16px;
  max-width:720px;
  line-height:1.75;
}

ul, ol {
  margin:0 0 16px;
  padding-left:20px;
  color:var(--hm-body);
  font-size:16px;
  line-height:1.75;
}

li { margin-bottom:6px; }
li strong { color:var(--hm-text); }

img.content-img {
  width:100%;
  max-width:720px;
  border-radius:14px;
  border:1px solid var(--hm-border);
}

.lead {
  margin:0 0 20px;
  color:var(--hm-muted);
  max-width:880px;
  font-size:16px;
  line-height:1.75;
}

.breadcrumb {
  font-size:15px;
  color:var(--hm-muted);
  margin-bottom:16px;
}
.breadcrumb a { color:var(--hm-blue); }

.card {
  border:1px solid var(--hm-border);
  border-radius:16px;
  background:var(--hm-card);
  padding:24px 28px;
  box-shadow:0 2px 8px rgba(0,0,0,.04),0 0 0 1px rgba(0,0,0,.02);
  margin-bottom:24px;
}
.card h2 { margin:0 0 12px; }
.card h3 { margin:0 0 10px; }

.highlight-box {
  background:var(--hm-highlight-bg);
  border:none;
  border-left:4px solid var(--hm-teal);
  border-radius:4px 12px 12px 4px;
  padding:18px 22px;
  margin:20px 0;
}
.highlight-box p { color:var(--hm-highlight-text); margin:0; }

.pill-links {
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:16px;
}
.pill-links a {
  border:1px solid var(--hm-border);
  border-radius:12px;
  padding:10px 14px;
  background:var(--hm-pill-bg);
  color:var(--hm-body);
  text-decoration:none;
  font-size:15px;
  font-weight:500;
  transition:border-color .15s,color .15s,transform .15s,box-shadow .15s;
}
.pill-links a:hover {
  border-color:var(--hm-blue);
  color:var(--hm-blue);
  text-decoration:none;
  transform:translateY(-1px);
  box-shadow:0 2px 8px rgba(0,0,0,.06);
}

table {
  width:100%;
  border-collapse:collapse;
  margin:16px 0;
  font-size:15px;
}
th {
  background:var(--hm-pill-bg);
  text-align:left;
  padding:12px 16px;
  border-bottom:2px solid var(--hm-border);
  font-weight:600;
  color:var(--hm-text);
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:.03em;
}
td {
  padding:10px 14px;
  border-bottom:1px solid var(--hm-border);
  color:var(--hm-body);
}

.faq-section { margin-top:32px; }
.faq-item {
  border-bottom:1px solid var(--hm-border);
  padding:16px 0;
}
.faq-item:last-child { border-bottom:none; }
.faq-item h3 {
  margin:0 0 10px;
  font-size:16px;
  font-weight:600;
  font-family:'Source Serif 4',Georgia,serif;
}
.faq-item p {
  margin:0;
  font-size:15px;
  color:var(--hm-body);
}

.caption {
  margin:6px 0 0;
  font-size:14px;
  color:var(--hm-muted);
}

.snr-bar-track {
  background:var(--hm-bar-track);
  border-radius:6px;
  height:12px;
  overflow:hidden;
}
.snr-bar-fill {
  height:100%;
  border-radius:6px;
  transition:width .4s ease;
}

.email-capture {
  margin:40px 0;
  padding:32px 28px;
  border:none;
  border-left:4px solid var(--hm-teal);
  border-radius:4px 16px 16px 4px;
  background:linear-gradient(135deg, var(--hm-highlight-bg) 0%, var(--hm-card) 100%);
  box-shadow:0 2px 12px rgba(0,0,0,.06);
  text-align:center;
}
.email-capture h3 {
  margin:0 0 8px;
  font-size:20px;
  font-weight:700;
  color:var(--hm-text);
  font-family:'Source Serif 4',Georgia,serif;
}
.email-capture p {
  margin:0 0 16px;
  font-size:15px;
  color:var(--hm-muted);
  max-width:none;
}
.email-capture form {
  display:flex;
  gap:8px;
  max-width:420px;
  margin:0 auto;
}
.email-capture input[type="email"] {
  flex:1;
  padding:12px 16px;
  border:1px solid var(--hm-border);
  border-radius:12px;
  font-size:15px;
  font-family:inherit;
  background:var(--hm-bg);
  color:var(--hm-text);
  outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.email-capture input[type="email"]:focus {
  border-color:var(--hm-blue);
  box-shadow:0 0 0 3px rgba(29,78,216,.1);
}
.email-capture button {
  padding:12px 22px;
  background:var(--hm-blue);
  color:#fff;
  border:none;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  transition:background .15s,transform .1s;
  white-space:nowrap;
}
.email-capture button:hover {
  background:var(--hm-blue-light);
  transform:translateY(-1px);
}
@media(max-width:480px){
  .email-capture form { flex-direction:column; }
}

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

.dark {
  --hm-bg:#0f172a;
  --hm-card:#1e293b;
  --hm-border:#334155;
  --hm-text:#e2e8f0;
  --hm-muted:#94a3b8;
  --hm-body:#cbd5e1;
  --hm-pill-bg:#1e293b;
  --hm-pill-hover:#1e3a5f;
  --hm-blue:#3b82f6;
  --hm-blue-light:#60a5fa;
  --hm-highlight-bg:#1e293b;
  --hm-highlight-border:#1e3a5f;
  --hm-highlight-text:#93c5fd;
  --hm-bar-track:#334155;
  --hm-toggle-bg:#334155;
  --hm-teal:#14b8a6;
}

.back {
  display:inline-block;
  margin-bottom:20px;
  font-size:15px;
  color:var(--hm-muted);
  text-decoration:none;
}
.back:hover { color:var(--hm-blue); }

.pill-links a.primary {
  background:var(--hm-blue);
  color:#fff;
  border-color:var(--hm-blue);
}
.pill-links a.primary:hover {
  background:var(--hm-blue-light);
  border-color:var(--hm-blue-light);
}

.author-block {
  margin:32px 0 0;
  padding:16px 20px;
  background:var(--hm-pill-bg);
  border:1px solid var(--hm-border);
  border-radius:12px;
  font-size:15px;
  color:var(--hm-muted);
}
.author-block strong { color:var(--hm-body); }

.bar-chart { margin:20px 0; }
.bar-row {
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.bar-label {
  width:200px;
  font-size:15px;
  font-weight:500;
  color:var(--hm-text);
  flex-shrink:0;
}
.bar-track {
  flex:1;
  background:var(--hm-bar-track);
  border-radius:8px;
  height:28px;
  position:relative;
  overflow:hidden;
}
.bar-fill {
  height:100%;
  border-radius:8px;
  display:flex;
  align-items:center;
  padding-right:8px;
  justify-content:flex-end;
  font-size:13px;
  font-weight:600;
  color:#ffffff;
  min-width:40px;
}
.bar-fill.fortell { background:linear-gradient(90deg,#0d9488,#2dd4bf); }
.bar-fill.phonak  { background:linear-gradient(90deg,#1d4ed8,#3b82f6); }
.bar-fill.oticon  { background:linear-gradient(90deg,#1d4ed8,#60a5fa); }
.bar-fill.starkey { background:linear-gradient(90deg,#6366f1,#818cf8); }
.bar-fill.signia  { background:linear-gradient(90deg,#6366f1,#a5b4fc); }
.bar-fill.widex   { background:linear-gradient(90deg,#8b5cf6,#c4b5fd); }
.bar-fill.remote  { background:linear-gradient(90deg,#059669,#34d399); }

.cliff-callout {
  border:2px solid var(--hm-blue);
  border-radius:18px;
  background:linear-gradient(135deg,var(--hm-highlight-bg),#f0f9ff);
  padding:28px;
  margin-bottom:20px;
}
.cliff-callout .cta {
  display:inline-block;
  margin-top:12px;
  padding:12px 24px;
  background:var(--hm-blue);
  color:#fff;
  border-radius:12px;
  font-weight:600;
  font-size:15px;
  text-decoration:none;
  transition:background .15s;
}
.cliff-callout .cta:hover {
  background:#1e40af;
  text-decoration:none;
}

.container {
  max-width:800px;
  margin:0 auto;
  padding:32px 20px 60px;
}

.cov-table-wrap {
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.cov-table {
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:16px 0 0;
}
.cov-table th {
  text-align:left;
  padding:10px 12px;
  background:var(--hm-pill-bg);
  border-bottom:2px solid var(--hm-border);
  font-weight:600;
  color:var(--hm-text);
  font-size:14px;
  text-transform:uppercase;
  letter-spacing:.03em;
}
.cov-table td {
  padding:10px 12px;
  border-bottom:1px solid var(--hm-border);
  color:var(--hm-body);
  vertical-align:top;
}
.cov-table tr:last-child td { border-bottom:none; }
.cov-table td:first-child {
  font-weight:500;
  color:var(--hm-text);
  min-width:180px;
}
.cov-badge {
  display:inline-block;
  padding:2px 8px;
  border-radius:6px;
  font-size:14px;
  font-weight:600;
  line-height:1.4;
}
.cov-strong  { background:#dcfce7; color:#166534; }
.cov-partial { background:#fef9c3; color:#854d0e; }
.cov-limited { background:#fee2e2; color:#991b1b; }
.cov-none    { background:#f3f4f6; color:#6b7280; }
.cov-note {
  font-size:15px;
  color:var(--hm-muted);
  margin-top:4px;
  line-height:1.5;
}

.highlight {
  background:var(--hm-highlight-bg);
  border:1px solid var(--hm-highlight-border);
  border-radius:12px;
  padding:16px 20px;
  margin:16px 0;
}

.hub-intro {
  margin:0 0 24px;
  font-size:16px;
  color:var(--hm-body);
  max-width:720px;
  line-height:1.7;
}

.hub-link {
  display:inline-block;
  padding:8px 16px;
  background:var(--hm-pill-bg);
  border:1px solid var(--hm-border);
  border-radius:10px;
  color:var(--hm-body);
  font-size:15px;
  font-weight:500;
  text-decoration:none;
  transition:border-color .15s,color .15s;
  margin:4px 4px 4px 0;
}
.hub-link:hover {
  border-color:var(--hm-blue);
  color:var(--hm-blue);
  text-decoration:none;
}

.section-label {
  font-size:12px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--hm-muted);
  margin:24px 0 8px;
}

.topic-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:16px;
  margin:16px 0;
}

.key-point {
  background:var(--hm-highlight-bg);
  border-left:4px solid var(--hm-teal);
  border-radius:4px 12px 12px 4px;
  padding:16px 20px;
  margin:16px 0;
}
.key-point p { color:var(--hm-highlight-text); margin:0; }

.method-box {
  border:1px solid var(--hm-border);
  border-radius:12px;
  background:var(--hm-card);
  padding:20px;
  margin-bottom:16px;
}

.image-container {
  margin:20px 0;
  text-align:center;
}

.mode-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(200px, 1fr));
  gap:12px;
  margin:16px 0;
}
.mode-card {
  border:1px solid var(--hm-border);
  border-radius:12px;
  background:var(--hm-card);
  padding:16px;
  text-align:center;
}

.sim-cta {
  margin:24px 0;
  padding:24px;
  background:var(--hm-highlight-bg);
  border:1px solid var(--hm-highlight-border);
  border-radius:14px;
  text-align:center;
}

.btn {
  display:inline-block;
  padding:12px 24px;
  background:var(--hm-blue);
  color:#fff;
  border:none;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  cursor:pointer;
  transition:background .15s,transform .1s;
}
.btn:hover {
  background:var(--hm-blue-light);
  transform:translateY(-1px);
  text-decoration:none;
}

.snr-badge {
  display:inline-block;
  padding:4px 10px;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  background:var(--hm-highlight-bg);
  color:var(--hm-highlight-text);
}

.arrow {
  display:inline-block;
  margin:0 8px;
  color:var(--hm-muted);
}

@media(max-width:640px){
  .bar-label { width:120px; font-size:14px; }
  .bar-track { height:22px; }
  .topic-grid { grid-template-columns:1fr; }
}