@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Sora:wght@400;600;700&display=swap');
/* ===== Skin: FREQUENCY — audio/waveform, dark, teal->violet, magenta #b14dff ===== */
:root{--c:#b14dff}
body.skin-frequency{--c:#b14dff;--c2:#22e0d0;--ink:#dcd6ec;--mut:#8c85a6;--faint:#5f5878;
  --line:#221b38;--line2:#2f2650;--bg:#0d0a18;--panel:#150f27;--panel2:#1d1636;
  --glow:0 0 24px rgba(177,77,255,.35);
  margin:0;font-family:'Space Grotesk',-apple-system,BlinkMacSystemFont,sans-serif;color:var(--ink);background:var(--bg);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
body.skin-frequency *{box-sizing:border-box}
body.skin-frequency h1,body.skin-frequency h2,body.skin-frequency h3,body.skin-frequency h4{font-family:'Sora',sans-serif;font-weight:700;line-height:1.2;letter-spacing:-.01em;color:#f3eefb}
body.skin-frequency a{color:var(--c);text-decoration:none}
body.skin-frequency a:hover{color:#c97dff;text-decoration:underline}

/* ---- Chrome ---- */
body.skin-frequency .g-header{background:rgba(13,10,24,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
body.skin-frequency .g-bar{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:12px 22px;flex-wrap:wrap}
body.skin-frequency .g-brand{color:#f3eefb;font-weight:700;font-size:17px;font-family:'Sora',sans-serif;display:flex;align-items:center;gap:9px}
body.skin-frequency .g-brand::before{content:"";width:26px;height:16px;background:repeating-linear-gradient(90deg,var(--c2) 0 2px,transparent 2px 4px,var(--c) 4px 6px,transparent 6px 8px);border-radius:2px;opacity:.9}
body.skin-frequency .g-nav{display:flex;gap:3px;flex-wrap:wrap;margin-left:auto}
body.skin-frequency .g-nav a{color:var(--mut);font-size:13.5px;padding:7px 12px;border-radius:8px}
body.skin-frequency .g-nav a:hover{background:var(--panel2);color:#fff;text-decoration:none}
body.skin-frequency .g-nav a.is-main{color:var(--c)}
body.skin-frequency .g-cta{background:linear-gradient(90deg,var(--c2),var(--c));color:#0d0a18;padding:8px 17px;border-radius:8px;font-weight:700;font-size:13.5px;box-shadow:var(--glow)}
body.skin-frequency .g-cta:hover{filter:brightness(1.12);text-decoration:none}
body.skin-frequency .g-main{max-width:1100px;margin:0 auto;padding:30px 22px 60px}

/* ---- Hero ---- */
body.skin-frequency .hero{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:40px;margin-bottom:34px;
  background-image:radial-gradient(circle at 90% 10%,rgba(34,224,208,.14),transparent 42%),radial-gradient(circle at 8% 96%,rgba(177,77,255,.18),transparent 46%)}
body.skin-frequency .hero-h1{font-size:38px;margin:0 0 14px;background:linear-gradient(90deg,#f3eefb,#c97dff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
body.skin-frequency .hero-lead{font-size:16.5px;color:var(--mut);margin:0 0 18px}
body.skin-frequency .hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
body.skin-frequency .hero-badges li{border:1px solid var(--line2);color:var(--c2);font-size:11.5px;padding:5px 12px;border-radius:20px}
body.skin-frequency .hero-badges li::before{content:"\223F  "}
body.skin-frequency .hero-steps{margin:18px 0 0;padding-left:20px;color:var(--mut);font-size:14px}
body.skin-frequency .hero-steps li{margin:5px 0}
body.skin-frequency .hero-widget{display:flex;justify-content:center;align-items:center;padding:36px;background:radial-gradient(circle at 50% 40%,rgba(177,77,255,.16),transparent 60%);border:1px solid var(--line2);border-radius:16px}
body.skin-frequency .wc-stage{border-radius:14px;box-shadow:var(--glow)}

/* ---- cv widget ---- */
body.skin-frequency .cv-widget{background:var(--bg);border:1px solid var(--line2);border-radius:14px;padding:8px}
body.skin-frequency .cv-drop{padding:38px 26px;text-align:center;border:2px dashed var(--line2);border-radius:10px;background:var(--panel);transition:.18s}
body.skin-frequency .cv-drop.cv-over{background:var(--panel2);border-color:var(--c)}
body.skin-frequency .cv-icon{font-size:26px;width:58px;height:58px;line-height:58px;border-radius:14px;background:var(--panel2);color:var(--c);margin:0 auto;box-shadow:var(--glow)}
body.skin-frequency .cv-drop-title{color:#f3eefb;font-weight:700;font-size:18px;margin:12px 0 2px}
body.skin-frequency .cv-drop-hint{color:var(--faint);font-size:13.5px;margin:0 0 16px}
body.skin-frequency .cv-btn{background:linear-gradient(90deg,var(--c2),var(--c));color:#0d0a18;border:0;border-radius:9px;padding:12px 28px;font-weight:700;font-size:15px;cursor:pointer;font-family:inherit;box-shadow:var(--glow)}
body.skin-frequency .cv-btn:hover{filter:brightness(1.12)}
body.skin-frequency .cv-accept{font-size:11.5px;color:var(--faint);margin:12px 0 0}
body.skin-frequency .cv-status{padding:10px;font-size:13px;font-weight:600;text-align:center}
body.skin-frequency .cv-status.cv-busy{color:var(--c2)}
body.skin-frequency .cv-status.cv-ok{color:#3ddc84}
body.skin-frequency .cv-status.cv-error{color:#ff6b8a}
body.skin-frequency .cv-result{text-align:center;padding:6px 0 10px}
body.skin-frequency .cv-download{display:inline-block;background:var(--c2);color:#042f2c;padding:12px 26px;border-radius:9px;font-weight:700}
body.skin-frequency .cv-download:hover{background:#4ff0e0;color:#042f2c;text-decoration:none}
body.skin-frequency .cv-loading .cv-drop{opacity:.5;pointer-events:none}

/* ---- Sections & tools ---- */
body.skin-frequency .section-h{font-size:23px;color:#f3eefb;margin:0 0 18px}
body.skin-frequency .toolgrid-wrap,body.skin-frequency .content-body,body.skin-frequency .articles-strip,body.skin-frequency .other-tools,body.skin-frequency .faq{margin:42px 0}
body.skin-frequency .toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:14px}
body.skin-frequency .tool-card{display:flex;flex-direction:column;gap:6px;background:var(--panel);border:1px solid var(--line);padding:20px;border-radius:12px;transition:.16s}
body.skin-frequency .tool-card:hover{text-decoration:none;border-color:var(--c);box-shadow:var(--glow)}
body.skin-frequency .tool-card.is-main{box-shadow:inset 3px 0 0 var(--c)}
body.skin-frequency .tool-card-label{color:#f3eefb;font-weight:700;font-size:15px}
body.skin-frequency .tool-card-short{font-size:11px;color:var(--c2);text-transform:uppercase;letter-spacing:.05em}
body.skin-frequency .tool-card-lead{font-size:12.5px;color:var(--mut)}

/* ---- Longform ---- */
body.skin-frequency .longform{max-width:770px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:34px}
body.skin-frequency .longform .lead-copy p:first-child{font-size:17px;color:var(--ink)}
body.skin-frequency .longform h2{font-size:23px;margin:28px 0 12px}
body.skin-frequency .longform p{margin:0 0 15px;color:var(--mut)}
body.skin-frequency .longform a{color:var(--c2);font-weight:600}

/* ---- Articles ---- */
body.skin-frequency .art-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:16px}
body.skin-frequency .art-card{display:flex;flex-direction:column;gap:7px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;transition:.16s}
body.skin-frequency .art-card:hover{text-decoration:none;border-color:var(--c)}
body.skin-frequency .art-cluster{font-size:11px;color:var(--c2);text-transform:uppercase;letter-spacing:.05em}
body.skin-frequency .art-title{color:#f3eefb;font-weight:700;font-size:16px;line-height:1.3}
body.skin-frequency .art-excerpt{font-size:12.5px;color:var(--mut)}
body.skin-frequency .art-meta{font-size:11px;color:var(--faint);margin-top:auto}

/* ---- FAQ ---- */
body.skin-frequency .faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:9px;background:var(--panel)}
body.skin-frequency .faq-q{cursor:pointer;padding:15px 18px;font-weight:700;font-size:15px;color:#f3eefb;list-style:none}
body.skin-frequency .faq-q::-webkit-details-marker{display:none}
body.skin-frequency .faq-q::after{content:"+";float:right;color:var(--c);font-size:19px;font-weight:700;line-height:1}
body.skin-frequency .faq-item[open]{border-color:var(--c)}
body.skin-frequency .faq-item[open] .faq-q{color:var(--c)}
body.skin-frequency .faq-item[open] .faq-q::after{content:"\2212"}
body.skin-frequency .faq-a{padding:0 18px 16px;color:var(--mut)}

/* ---- Article page ---- */
body.skin-frequency .crumbs{font-size:12.5px;color:var(--faint);margin:22px 0 14px}
body.skin-frequency .crumbs span{margin:0 7px;color:var(--line2)}
body.skin-frequency .article{max-width:750px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:36px}
body.skin-frequency .article-head h1{font-size:31px;color:#f3eefb;margin:8px 0}
body.skin-frequency .article-meta{color:var(--faint);font-size:13px}
body.skin-frequency .tool-cta{background:var(--bg);border:1px solid var(--c);border-radius:12px;padding:20px 24px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:24px 0;box-shadow:var(--glow)}
body.skin-frequency .cta-btn{background:linear-gradient(90deg,var(--c2),var(--c));color:#0d0a18;padding:12px 22px;border-radius:9px;font-weight:700}
body.skin-frequency .cta-btn:hover{filter:brightness(1.12);color:#0d0a18;text-decoration:none}
body.skin-frequency .article-body{color:#c3bcd6;font-size:16px}
body.skin-frequency .article-body h2{color:#f3eefb;font-size:24px;margin:32px 0 12px}
body.skin-frequency .article-body h3{color:#f3eefb;font-size:18px;margin:24px 0 10px}
body.skin-frequency .article-body p{margin:0 0 15px}
body.skin-frequency .article-body ul,body.skin-frequency .article-body ol{margin:0 0 15px 24px}
body.skin-frequency .article-body li{margin:4px 0}
body.skin-frequency .article-body a{color:var(--c2);font-weight:600}

/* ---- Index & error ---- */
body.skin-frequency .page-head h1{font-size:34px;color:#f3eefb}
body.skin-frequency .cluster-block{margin:42px 0}
body.skin-frequency .error-page{text-align:center;padding:88px 0}
body.skin-frequency .error-page h1{font-size:92px;color:var(--c);text-shadow:var(--glow)}

/* ---- Footer ---- */
body.skin-frequency .g-footer{background:var(--panel);border-top:1px solid var(--line);margin-top:56px;padding:46px 22px 24px}
body.skin-frequency .g-foot-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
body.skin-frequency .g-foot-grid h4{color:var(--c2);font-size:12px;letter-spacing:.05em;text-transform:uppercase;margin:0 0 12px}
body.skin-frequency .g-foot-grid a{display:block;color:var(--mut);font-size:13px;padding:4px 0}
body.skin-frequency .g-foot-grid a:hover{color:#fff}
body.skin-frequency .g-foot-brand .g-brand{color:#f3eefb}
body.skin-frequency .g-copy{max-width:1100px;margin:30px auto 0;border-top:1px solid var(--line);padding-top:20px;font-size:12.5px;color:var(--faint)}

/* ---- Supplementary shared classes ---- */
body.skin-frequency .hero-copy{min-width:0}
body.skin-frequency .hero-tool,body.skin-frequency .hero-tool-page{min-width:0;align-self:center}
body.skin-frequency .hero-tool-page{max-width:660px;margin:0 auto 32px}
body.skin-frequency .lf-section{margin:8px 0}
body.skin-frequency .articles-strip-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
body.skin-frequency .more-link{font-size:14px;font-weight:600;color:var(--c2)}
body.skin-frequency .faq-title{font-size:23px;color:#f3eefb;margin:0 0 18px}
body.skin-frequency .faq-list{max-width:770px;display:flex;flex-direction:column;gap:9px}
body.skin-frequency .page-head{margin-bottom:14px}
body.skin-frequency .page-head-lead{font-size:16px;color:var(--mut);max-width:640px;margin-top:10px}
body.skin-frequency .article-head{margin-bottom:14px;border-bottom:1px solid var(--line);padding-bottom:14px}
body.skin-frequency .tool-cta-foot{background:var(--bg);border:1px solid var(--c);border-radius:12px;padding:20px 24px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:32px 0 0}
body.skin-frequency .empty-note{color:var(--faint);background:var(--panel);border:1px dashed var(--line2);border-radius:12px;padding:24px;text-align:center}

@media(max-width:760px){
  body.skin-frequency .hero{grid-template-columns:1fr;gap:26px;padding:26px}
  body.skin-frequency .hero-h1{font-size:29px}
  body.skin-frequency .toolgrid{grid-template-columns:1fr}
  body.skin-frequency .g-foot-grid{grid-template-columns:1fr 1fr}
}