:root{
  --bg:#f5f7fb;--surface:#fff;--surface-2:#eef2ff;--ink:#12172a;--muted:#65708a;
  --line:#dfe5ef;--accent:#5b5ef7;--accent-2:#8b5cf6;--deep:#10162f;--good:#157a57;
  --shadow:0 24px 70px rgba(22,32,72,.10);--radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(circle at 15% 0,#edf0ff 0,transparent 34rem),var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
button,input{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit}
.site-header{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800;letter-spacing:-.02em}
.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:var(--deep);color:#fff;font-size:15px}
.header-nav{display:flex;gap:26px;font-size:14px;color:var(--muted)}
.header-nav a{text-decoration:none}
.header-nav a:hover{color:var(--ink)}
main{overflow:hidden}
.hero{max-width:1180px;margin:54px auto 90px;padding:0 24px;display:grid;grid-template-columns:.85fr 1.15fr;gap:58px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:900;color:var(--accent);margin:0 0 12px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(42px,5.5vw,76px);line-height:.98;letter-spacing:-.055em;margin-bottom:24px}
h1 span{color:var(--accent)}
.lead{font-size:19px;color:var(--muted);max-width:590px}
.popular-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:30px}
.popular-row>span{font-size:13px;color:var(--muted);margin-right:3px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-size:13px;font-weight:750;cursor:pointer}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.tool-card{background:var(--surface);border:1px solid rgba(223,229,239,.9);border-radius:32px;padding:30px;box-shadow:var(--shadow)}
.value-picker{display:flex;align-items:center;justify-content:center;gap:18px}
.step-btn{width:50px;height:50px;border:1px solid var(--line);border-radius:16px;background:#fff;font-size:28px;line-height:1;cursor:pointer}
.step-btn:hover{background:var(--surface-2);border-color:#cad0ff}
.db-input-wrap{display:flex;align-items:baseline;gap:7px}
.db-input-wrap input{width:150px;border:0;background:transparent;text-align:right;font-size:70px;line-height:1;font-weight:900;letter-spacing:-.06em;color:var(--deep);outline:none;-moz-appearance:textfield}
.db-input-wrap input::-webkit-inner-spin-button{display:none}
.db-input-wrap>span:last-child{font-size:24px;font-weight:800;color:var(--muted)}
.range{width:100%;margin:28px 0 3px;accent-color:var(--accent)}
.range-labels{display:flex;justify-content:space-between;color:#8a93a8;font-size:11px}
.result-panel{margin-top:24px;background:linear-gradient(150deg,#121934,#171e42);color:white;border-radius:24px;padding:25px}
.result-top{display:flex;justify-content:space-between;gap:16px;align-items:start}
.result-kicker{font-size:12px;text-transform:uppercase;letter-spacing:.12em;color:#aab4df;margin:0}
.result-number{display:flex;align-items:baseline;gap:5px}
.result-number strong{font-size:54px;line-height:1;letter-spacing:-.05em}
.result-number span{font-size:18px;color:#c9d0f1;font-weight:800}
.loudness-badge{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);padding:8px 11px;border-radius:999px;font-size:12px;font-weight:800}
.result-panel h2{font-size:25px;letter-spacing:-.025em;margin:22px 0 8px}
.result-panel>p{color:#cbd2f0}
.comparison-band{display:grid;grid-template-columns:1fr auto 1fr;gap:14px;align-items:center;margin:24px 0}
.anchor-card{display:flex;flex-direction:column;padding:15px;background:rgba(255,255,255,.07);border-radius:16px}
.align-right{text-align:right}
.anchor-label{font-size:11px;color:#9fa9d2;text-transform:uppercase;letter-spacing:.09em}
.anchor-card strong{font-size:13px;margin:3px 0}
.anchor-card>span:last-child{font-size:12px;color:#cbd2f0}
.anchor-current{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent-2));font-size:11px;font-weight:900;text-align:center}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.metric{background:rgba(255,255,255,.07);border-radius:16px;padding:15px;display:flex;flex-direction:column}
.metric>span{color:#9fa9d2;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.metric strong{font-size:18px;margin:4px 0}
.metric small{color:#aeb7db}
.result-actions{display:flex;gap:10px;margin-top:18px}
.primary-btn,.secondary-btn{border:0;border-radius:14px;padding:12px 14px;font-weight:800;font-size:13px;text-decoration:none;text-align:center}
.primary-btn{background:#fff;color:var(--deep);cursor:pointer}
.secondary-btn{background:rgba(255,255,255,.09);color:#fff}
.tool-note{font-size:11px!important;color:#8f99c4!important;margin:15px 0 0!important}
.section{max-width:1180px;margin:0 auto 100px;padding:0 24px}
.section-heading{max-width:750px;margin-bottom:32px}
.section-heading h2{font-size:clamp(31px,4vw,50px);line-height:1.04;letter-spacing:-.045em;margin-bottom:14px}
.section-heading>p:last-child{color:var(--muted);font-size:17px}
.compare-card{display:grid;grid-template-columns:1fr 54px 1fr 1.35fr;gap:18px;align-items:end;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 15px 50px rgba(22,32,72,.06)}
.compare-card label{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:850}
.compare-input{display:flex;align-items:baseline;margin-top:8px;background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:8px 12px}
.compare-input input{min-width:0;width:100%;border:0;background:transparent;font-size:34px;font-weight:900;outline:none}
.compare-input b{font-size:14px}
.versus{height:58px;display:grid;place-items:center;font-size:12px;font-weight:900;color:#9099ad}
.compare-result{background:var(--deep);color:white;border-radius:17px;padding:15px 17px;min-height:81px}
.compare-result>span{color:#9fa9d2;font-size:11px;text-transform:uppercase;letter-spacing:.08em}
.compare-result strong{display:block;font-size:23px}
.compare-result p{font-size:12px;color:#cbd2f0;margin:4px 0 0}
.section-note{font-size:12px;color:var(--muted);margin:15px 4px}
.detail-list{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.detail-card{display:grid;grid-template-columns:74px 1fr;gap:18px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px}
.detail-value{width:66px;height:66px;border-radius:17px;background:var(--surface-2);display:flex;align-items:baseline;justify-content:center;padding-top:16px;font-size:27px;font-weight:900;letter-spacing:-.04em}
.detail-value span{font-size:10px;margin-left:3px}
.detail-card h3{font-size:18px;margin-bottom:7px}
.detail-card p{color:var(--muted);font-size:14px;margin-bottom:8px}
.text-button{border:0;background:transparent;padding:0;color:var(--accent);font-size:12px;font-weight:850;cursor:pointer}
.table-heading{max-width:none;display:flex;justify-content:space-between;gap:30px;align-items:end}
.table-heading>div{max-width:750px}
.table-search{font-size:12px;color:var(--muted);font-weight:800}
.table-search input{display:block;width:180px;border:1px solid var(--line);border-radius:12px;padding:11px 12px;margin-top:6px;background:#fff}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:22px}
.db-table{width:100%;border-collapse:collapse;min-width:830px}
.db-table th,.db-table td{text-align:left;border-bottom:1px solid #edf0f5;padding:13px 15px;font-size:13px;vertical-align:top}
.db-table thead th{position:sticky;top:0;background:#f8f9fc;z-index:1;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.db-table tbody tr:last-child>*{border-bottom:0}
.db-table tbody tr[data-popular="true"]{background:#fbfbff}
.db-table tbody tr:target{outline:2px solid var(--accent);outline-offset:-2px;background:#f2f1ff}
.db-jump{border:0;background:transparent;padding:0;color:var(--deep);font-weight:900;cursor:pointer;white-space:nowrap}
.db-jump:hover{color:var(--accent)}
.explain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.explain-grid article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}
.explain-grid strong{font-size:34px;color:var(--accent)}
.explain-grid h3{font-size:18px;margin:8px 0}
.explain-grid p{color:var(--muted);font-size:14px;margin:0}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);padding:0}
.faq-item summary{cursor:pointer;padding:20px 3px;font-weight:850;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";float:right;color:var(--accent);font-size:23px;line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-item p{color:var(--muted);max-width:800px;padding:0 3px 18px;margin:0}
.sources{background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px}
.sources .section-heading{margin-bottom:12px}
.sources>p{color:var(--muted);max-width:900px}
.sources ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 25px;padding-left:20px}
.sources a{color:var(--accent)}
footer{max-width:1180px;margin:0 auto;padding:0 24px 50px;color:var(--muted);font-size:12px}
footer strong{color:var(--ink);font-size:14px}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.hidden-row{display:none}
@media(max-width:900px){
 .header-nav{display:none}.hero{grid-template-columns:1fr;margin-top:30px;gap:28px}.hero-copy{text-align:center}.lead{margin-left:auto;margin-right:auto}.popular-row{justify-content:center}
 .compare-card{grid-template-columns:1fr 38px 1fr}.compare-result{grid-column:1/-1}
 .detail-list{grid-template-columns:1fr}.explain-grid{grid-template-columns:1fr}.sources ul{grid-template-columns:1fr}
}
@media(max-width:620px){
 .sound-matches-head{display:block}.sound-matches-head small{display:block;text-align:left;margin-top:4px;max-width:none}.sound-example-grid{grid-template-columns:1fr}.sound-example-card:nth-child(n+5){display:none}
 .site-header{height:62px;padding:0 16px}.hero,.section{padding-left:16px;padding-right:16px}.hero{margin-bottom:70px}.tool-card{padding:14px;border-radius:24px}
 .db-input-wrap input{width:112px;font-size:58px}.step-btn{width:44px;height:44px}.result-panel{padding:18px}.result-top{align-items:center}.result-number strong{font-size:46px}
 .comparison-band{grid-template-columns:1fr 42px 1fr;gap:7px}.anchor-card{padding:10px}.anchor-current{width:42px;height:42px}.anchor-card strong{font-size:11px}
 .result-grid{grid-template-columns:1fr}.result-actions{flex-direction:column}.compare-card{padding:15px;gap:8px}.compare-input input{font-size:27px}.versus{height:55px}
 .detail-card{grid-template-columns:56px 1fr;padding:15px}.detail-value{width:52px;height:52px;font-size:21px;padding-top:13px}
 .table-heading{display:block}.table-search{display:block;margin-top:15px}.table-search input{width:100%}
 .sources{margin-left:16px;margin-right:16px;padding:24px}
}

.sound-matches{margin:22px 0 20px;padding:18px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08);border-radius:18px}
.sound-matches-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:12px}
.sound-matches-head h3{font-size:16px;margin:2px 0 0;letter-spacing:-.015em}
.sound-matches-head small{max-width:250px;text-align:right;color:#9fa9d2;font-size:10px;line-height:1.35}
.mini-kicker{font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:#9fa9d2;font-weight:900}
.sound-example-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.sound-example-card{min-width:0;display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.07);border-radius:13px;padding:10px}
.sound-icon{width:28px;height:28px;display:grid;place-items:center;flex:0 0 28px;background:rgba(255,255,255,.08);border-radius:9px;font-size:16px}
.sound-example-card div{min-width:0;display:flex;flex-direction:column}
.sound-example-card strong{font-size:11px;line-height:1.25;white-space:normal}
.sound-example-card div>span{font-size:10px;color:#aeb7db;margin-top:2px}
.sound-example-card .sound-source{display:inline-flex;align-self:flex-start;margin-top:4px!important;padding:2px 5px;border:1px solid rgba(255,255,255,.12);border-radius:999px;font-size:8px!important;color:#cad2f5!important}
.detail-tags{display:flex;flex-wrap:wrap;gap:5px;margin:9px 0 10px}
.detail-tags span{background:var(--surface-2);border-radius:999px;padding:5px 8px;font-size:10px;color:#59647e}