/* ===== Echo Tone Lab — shared site styles ===== */
:root{
  --bg:#080809; --bg2:#0f0f11; --surface:#151518; --surface2:#1b1b1f;
  --line:#26262b; --line2:#33333a;
  --ink:#f2f2ee; --muted:#9a9a95; --faint:#6d6d69;
  --lime:#c8ff00; --lime-dim:#9bc400;
  --maxw:1120px; --nav-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Archivo",system-ui,-apple-system,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh;
  background-image:radial-gradient(1200px 600px at 50% -10%, rgba(200,255,0,.09), transparent 60%),radial-gradient(900px 500px at 100% 0%, rgba(200,255,0,.04), transparent 55%);
  background-attachment:fixed;background-repeat:no-repeat}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.lime{color:var(--lime)}

/* ---- Header / Nav ---- */
header.site{position:sticky;top:0;z-index:1000;background:rgba(8,8,9,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:34px;height:34px;object-fit:contain;filter:drop-shadow(0 0 12px rgba(200,255,0,.35))}
.brand b{font-family:"Anton",sans-serif;font-weight:400;letter-spacing:.13em;font-size:1.02rem;text-transform:uppercase;white-space:nowrap}
.brand b i{color:var(--lime);font-style:normal}
.navlinks{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.navlinks a{font-weight:600;font-size:.9rem;color:var(--muted);padding:8px 12px;border-radius:8px;transition:color .15s,background .15s;white-space:nowrap}
.navlinks a:hover{color:var(--ink);background:var(--surface)}
.navlinks a.active{color:var(--lime)}
.navright{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.lang{display:inline-flex;border:1px solid var(--line2);border-radius:999px;overflow:hidden}
.lang button{font-family:"Archivo",sans-serif;font-weight:700;font-size:.74rem;letter-spacing:.05em;background:transparent;color:var(--muted);border:0;padding:6px 12px;cursor:pointer;transition:.15s}
.lang button[aria-pressed="true"]{background:var(--lime);color:#0a0a0a}
.lang button:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.burger{display:none;background:transparent;border:1px solid var(--line2);border-radius:9px;color:var(--ink);width:40px;height:38px;cursor:pointer;font-size:1.2rem;align-items:center;justify-content:center}
@media (max-width:900px){
  .navlinks{position:fixed;inset:var(--nav-h) 0 auto 0;flex-direction:column;background:var(--bg2);border-bottom:1px solid var(--line);padding:10px 16px 18px;gap:2px;display:none;align-items:stretch}
  .navlinks.open{display:flex}
  .navlinks a{padding:12px 10px;font-size:1rem;border-radius:9px}
  .burger{display:inline-flex}
}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:.95rem;padding:13px 22px;border-radius:11px;border:1px solid transparent;cursor:pointer;transition:transform .15s,filter .15s,border-color .15s;text-align:center}
.btn:hover{transform:translateY(-2px)}
.btn.pri{background:var(--lime);color:#0a0a0a}
.btn.pri:hover{filter:brightness(1.07)}
.btn.sec{background:transparent;color:var(--ink);border-color:var(--line2)}
.btn.sec:hover{border-color:var(--lime)}
.btn svg{width:17px;height:17px}

/* ---- Hero ---- */
.hero{text-align:center;padding:clamp(46px,9vw,92px) 0 clamp(30px,5vw,54px)}
.eyebrow{font-size:.74rem;letter-spacing:.32em;text-transform:uppercase;color:var(--lime-dim);font-weight:700}
.hero h1{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(2.7rem,8vw,5.6rem);line-height:.93;letter-spacing:.01em;text-wrap:balance;margin:16px 0 14px}
.hero h1 em{font-style:normal;color:var(--lime);text-shadow:0 0 40px rgba(200,255,0,.32)}
.hero .sub{color:var(--muted);max-width:52ch;margin:0 auto;font-size:clamp(1rem,2.4vw,1.18rem)}
.hero .cta-row{display:flex;gap:13px;justify-content:center;flex-wrap:wrap;margin-top:26px}
.hero-logo{width:clamp(88px,17vw,132px);height:auto;margin:0 auto 6px;filter:drop-shadow(0 0 34px rgba(200,255,0,.4))}

/* ---- Sections ---- */
section{position:relative}
.sec-pad{padding:clamp(38px,7vw,68px) 0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);margin:0 auto;max-width:var(--maxw)}
.sec-label{text-align:center;font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:var(--faint);font-weight:700;margin-bottom:30px}
h2.big{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(1.9rem,5vw,3rem);letter-spacing:.01em;line-height:1;text-align:center}
h2.big em{font-style:normal;color:var(--lime)}

/* ---- Cards grid ---- */
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:1fr 1fr}
.grid.four{grid-template-columns:repeat(4,1fr)}
@media (max-width:820px){.grid.two,.grid.four{grid-template-columns:1fr}}
@media (max-width:820px) and (min-width:520px){.grid.four{grid-template-columns:1fr 1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;transition:border-color .18s,transform .18s}
.card:hover{border-color:var(--line2)}
.card .ic{width:44px;height:44px;border-radius:11px;background:rgba(200,255,0,.09);border:1px solid rgba(200,255,0,.28);display:grid;place-items:center;color:var(--lime);margin-bottom:15px}
.card .ic svg{width:22px;height:22px}
.card h3{font-size:1.18rem;font-weight:700;margin-bottom:8px}
.card p{color:var(--muted);font-size:.97rem}
.card.link-card{cursor:pointer;display:flex;flex-direction:column}
.card.link-card .go{margin-top:auto;padding-top:16px;color:var(--lime);font-weight:700;font-size:.9rem}

/* feature card (about) */
.feat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.feat h4{color:var(--lime);font-size:1rem;margin-bottom:6px}
.feat p{color:var(--muted);font-size:.92rem}

/* ---- Story block ---- */
.story{max-width:760px;margin:0 auto;text-align:center}
.story p{color:var(--muted);font-size:1.06rem;line-height:1.7}
.story .tag{color:var(--ink);font-size:1.2rem;font-weight:600;margin-bottom:22px}

/* ---- Embed frame (builder) ---- */
.embed-head{text-align:center;max-width:640px;margin:0 auto 22px}
.embed-wrap{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#000;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.embed-wrap iframe{width:100%;height:min(82vh,900px);border:0;display:block;background:#0a0a0a}
.embed-fallback{text-align:center;color:var(--faint);font-size:.9rem;margin-top:14px}
.embed-fallback a{color:var(--muted);border-bottom:1px solid var(--line)}

/* ---- FAQ accordion ---- */
.faq-list{max-width:820px;margin:0 auto}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;text-align:left;background:transparent;border:0;color:var(--ink);font-family:"Archivo",sans-serif;font-weight:600;font-size:1.06rem;padding:22px 40px 22px 4px;cursor:pointer;position:relative}
.qa button:hover{color:var(--lime)}
.qa button .chev{position:absolute;right:6px;top:50%;transform:translateY(-50%);transition:transform .22s;color:var(--lime)}
.qa button[aria-expanded="true"] .chev{transform:translateY(-50%) rotate(180deg)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .28s ease}
.qa .ans p{color:var(--muted);padding:0 40px 22px 4px;font-size:1rem;line-height:1.65}

/* ---- CTA band ---- */
.cta-band{text-align:center;padding:clamp(38px,6vw,58px) 22px;border:1px solid var(--line);border-radius:20px;
  background:radial-gradient(700px 340px at 50% 0%, rgba(200,255,0,.09), transparent 70%), var(--bg2)}
.cta-band h2{font-family:"Anton",sans-serif;font-weight:400;text-transform:uppercase;font-size:clamp(1.7rem,5vw,2.6rem);letter-spacing:.01em}
.cta-band p{color:var(--muted);margin:12px auto 24px;max-width:48ch}

/* ---- Footer ---- */
footer.site{border-top:1px solid var(--line);margin-top:clamp(40px,7vw,72px);background:var(--bg2)}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;padding:44px 0 30px}
@media (max-width:720px){.foot{grid-template-columns:1fr;gap:26px}}
.foot .col-brand img{width:38px;height:38px;margin-bottom:12px;filter:drop-shadow(0 0 12px rgba(200,255,0,.3))}
.foot .col-brand .nm{font-family:"Anton",sans-serif;letter-spacing:.1em;text-transform:uppercase;font-size:1.05rem;margin-bottom:8px}
.foot .col-brand p{color:var(--muted);font-size:.92rem;max-width:38ch}
.foot h5{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);font-weight:700;margin-bottom:14px}
.foot ul{list-style:none}
.foot ul li{margin-bottom:9px}
.foot ul a{color:var(--muted);font-size:.94rem}
.foot ul a:hover{color:var(--lime)}
.foot .contact a{color:var(--muted);font-size:.94rem}
.foot .contact a:hover{color:var(--lime)}
.foot-social{display:flex;gap:10px;margin-top:14px}
.foot-social a{width:36px;height:36px;border:1px solid var(--line2);border-radius:9px;display:grid;place-items:center;color:var(--muted);transition:.15s}
.foot-social a:hover{color:var(--lime);border-color:var(--lime)}
.foot-social svg{width:18px;height:18px}
.copy{border-top:1px solid var(--line);text-align:center;color:var(--faint);font-size:.82rem;padding:20px 0 34px}

/* ---- misc ---- */
.center{text-align:center}
.mt-lg{margin-top:34px}
a:focus-visible,.btn:focus-visible,button:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}

/* ---- Metrics row (reviews) ---- */
.metrics{display:flex;justify-content:center;gap:0;max-width:620px;margin:6px auto 0;border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.metrics .m{flex:1;text-align:center;padding:22px 12px}
.metrics .m+ .m{border-left:1px solid var(--line)}
.metrics .m b{display:block;font-family:"Anton",sans-serif;font-weight:400;font-size:clamp(1.7rem,5vw,2.3rem);color:var(--lime);line-height:1}
.metrics .m span{display:block;margin-top:7px;font-size:.68rem;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);font-weight:700}
.metrics .m .stars{color:var(--lime);font-size:1rem;letter-spacing:2px}

/* ---- Review cards ---- */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:900px){.reviews-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.reviews-grid{grid-template-columns:1fr}}
.rcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;display:flex;flex-direction:column;position:relative}
.rcard .rec{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--lime);border:1px solid rgba(200,255,0,.35);background:rgba(200,255,0,.07);padding:4px 9px;border-radius:999px;margin-bottom:14px}
.rcard .rec svg{width:11px;height:11px}
.rcard .quote{color:var(--ink);font-size:1rem;line-height:1.6;flex:1}
.rcard .who{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.rcard .av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#0a0a0a;font-weight:700;flex:0 0 auto}
.rcard .who .nm{font-weight:700;font-size:.92rem}
.rcard .who .dt{color:var(--faint);font-size:.76rem}
.rcard .who .st{margin-left:auto;color:var(--lime);letter-spacing:1px;font-size:.85rem;flex:0 0 auto;align-self:flex-start}

/* ---- Video cards (musicos) ---- */
.videos{display:grid;grid-template-columns:1fr;gap:24px;max-width:860px;margin:0 auto}
.videos.multi{grid-template-columns:1fr 1fr}
@media (max-width:760px){.videos.multi{grid-template-columns:1fr}}
.vcard{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.vhead{display:flex;align-items:center;gap:10px;padding:13px 18px;border-bottom:1px solid var(--line)}
.vhead .tag{font-size:.62rem;letter-spacing:.13em;text-transform:uppercase;font-weight:700;color:var(--lime);border:1px solid rgba(200,255,0,.35);background:rgba(200,255,0,.07);padding:4px 9px;border-radius:999px}
.vhead .ttl{font-weight:700;font-size:.95rem}
.frame{position:relative;width:100%;aspect-ratio:16/9;background:#000}
.frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.frame .ph{position:absolute;inset:0;display:grid;place-items:center;color:var(--faint);font-size:.9rem;text-align:center;padding:20px}