/* ============================================================
   QUIETCALL — Fix bad audio in any meeting app (NC-07)
   How-to library · editorial-trust aesthetic (v2)
   Design language: credibility through clarity — white space,
   stat callouts, commitment badges, one dark contrast band.
   ============================================================ */

:root{
  --ink:#14161f;
  --slate:#59616e;
  --indigo:#4c5fd5;
  --indigo-deep:#37449e;
  --indigo-soft:#eef0fb;
  --navy:#131a33;
  --amber:#e8930c;
  --amber-deep:#c67a05;
  --green:#1e8f5a;
  --bg:#ffffff;
  --bg-soft:#f7f8fb;
  --card:#ffffff;
  --line:#e6e8ef;
  --shadow-sm:0 1px 2px rgba(20,22,31,.05);
  --shadow-md:0 10px 30px rgba(20,22,31,.08);
  --shadow-lg:0 18px 50px rgba(20,22,31,.12);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.65;font-size:16.5px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--indigo);text-decoration:none;}
a:hover{text-decoration:underline;}
img{max-width:100%;display:block;}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
.narrow{max-width:760px;margin:0 auto;padding:0 22px;}
h1,h2,h3{line-height:1.15;letter-spacing:-.015em;}
code,.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;background:var(--indigo-soft);padding:2px 6px;border-radius:5px;}
.eyebrow{font-size:12.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--indigo);}

/* ---------- Header ---------- */
.header{background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.header .wrap{display:flex;align-items:center;gap:26px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:19px;letter-spacing:-.02em;}
.brand:hover{text-decoration:none;}
.brand img{width:32px;height:32px;}
.brand span{color:var(--indigo);}
.nav{display:flex;gap:2px;margin-left:auto;align-items:center;}
.nav a{color:var(--slate);font-size:14.5px;font-weight:600;padding:8px 14px;border-radius:8px;}
.nav a:hover{background:var(--indigo-soft);color:var(--indigo-deep);text-decoration:none;}
.nav a.review-link{color:#fff;background:var(--ink);margin-left:8px;padding:9px 16px;border-radius:9px;}
.nav a.review-link:hover{background:var(--indigo-deep);color:#fff;}

/* ---------- Home hero (v2) ---------- */
.home-hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(60% 70% at 18% -10%, rgba(124,92,255,.22) 0%, transparent 62%),
    radial-gradient(50% 60% at 88% 0%, rgba(236,111,156,.14) 0%, transparent 60%),
    #0b0e1d;
}
.home-hero .wrap{padding:88px 24px 150px;max-width:880px;text-align:center;position:relative;z-index:2;}

/* Hero background FX */
.hero-fx{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0;}
.hero-fx::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(75% 90% at 50% 30%,#000 30%,transparent 100%);
  mask-image:radial-gradient(75% 90% at 50% 30%,#000 30%,transparent 100%);
}
.blob{position:absolute;border-radius:50%;filter:blur(75px);}
.blob.b1{width:480px;height:480px;left:-140px;top:-160px;
  background:radial-gradient(circle,rgba(124,92,255,.42),transparent 65%);
  animation:drift1 21s ease-in-out infinite alternate;}
.blob.b2{width:420px;height:420px;right:-130px;top:-80px;
  background:radial-gradient(circle,rgba(236,111,156,.30),transparent 65%);
  animation:drift2 27s ease-in-out infinite alternate;}
@keyframes drift1{from{transform:translate(0,0) scale(1);}to{transform:translate(90px,60px) scale(1.2);}}
@keyframes drift2{from{transform:translate(0,0) scale(1.12);}to{transform:translate(-80px,70px) scale(.92);}}
.hero-eq{
  position:absolute;left:0;right:0;bottom:0;height:118px;
  display:flex;align-items:flex-end;justify-content:center;gap:7px;
  -webkit-mask-image:linear-gradient(to right,transparent,#000 16%,#000 84%,transparent);
  mask-image:linear-gradient(to right,transparent,#000 16%,#000 84%,transparent);
}
.hero-eq i{
  flex:0 0 4px;border-radius:3px 3px 0 0;height:var(--h,40px);
  background:linear-gradient(to top,rgba(139,92,246,.85),rgba(139,92,246,.05));
  transform-origin:bottom;animation:eq 3.1s ease-in-out var(--d,0s) infinite;
}
@keyframes eq{0%,100%{transform:scaleY(.3);}50%{transform:scaleY(1);}}
@media (prefers-reduced-motion: reduce){
  .blob,.hero-eq i{animation:none;}
}

/* Hero stats band (dark, continuous with hero) */
.hero-stats-band{background:#0b0e1d;border-bottom:1px solid var(--line);}
.hero-stats-band .hero-stats{border-top:1px solid rgba(255,255,255,.10);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(6px);border-radius:40px;padding:8px 16px;font-size:13px;font-weight:600;color:#c3cae2;
}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:#2fd582;box-shadow:0 0 0 4px rgba(47,213,130,.18);}
.home-hero h1{font-size:58px;font-weight:900;margin-top:28px;letter-spacing:-.03em;color:#fff;}
.home-hero h1 em{
  font-style:normal;
  background:linear-gradient(95deg,#8b5cf6 10%,#ec6f9c 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.home-hero p.sub{color:#aeb6d0;font-size:19px;margin:22px auto 34px;max-width:62ch;}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:700;font-size:15.5px;padding:14px 28px;border-radius:12px;cursor:pointer;transition:.15s;}
.btn:hover{text-decoration:none;}
.btn .ar{transition:transform .15s;}
.btn:hover .ar{transform:translateX(4px);}
.btn-primary{background:linear-gradient(120deg,#7c5cff,#5b6bf0);color:#fff;box-shadow:0 10px 30px rgba(124,92,255,.38);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);}
.btn-quiet{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.28);}
.btn-quiet:hover{border-color:#fff;}

/* Hero apps-covered row */
.hero-apps{margin-top:46px;display:flex;align-items:center;justify-content:center;gap:10px 22px;flex-wrap:wrap;}
.hero-apps .lab{font-size:11.5px;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;color:#6e7694;width:100%;}
.hero-apps .chip{display:inline-flex;align-items:center;gap:9px;color:#c3cae2;font-size:14px;font-weight:650;}
.hero-apps .chip .dot{width:26px;height:26px;border-radius:8px;font-size:11px;box-shadow:none;}

/* Hero stat band */
.hero-stats{max-width:880px;margin:0 auto;
  display:grid;grid-template-columns:repeat(4,1fr);}
.hstat{padding:26px 12px 34px;text-align:center;border-right:1px solid rgba(255,255,255,.10);}
.hstat:last-child{border-right:none;}
.hstat b{display:block;font-size:34px;font-weight:900;color:#fff;letter-spacing:-.02em;}
.hstat b em{font-style:normal;background:linear-gradient(95deg,#8b5cf6,#ec6f9c);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hstat span{font-size:13px;color:#8f97b5;font-weight:600;}

/* ---------- Commitments row ---------- */
.commit{padding:34px 0;border-bottom:1px solid var(--line);background:var(--bg-soft);}
.commit .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.cm{display:flex;gap:13px;align-items:flex-start;}
.cm .ci{width:42px;height:42px;flex:0 0 42px;border-radius:11px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm);display:flex;align-items:center;justify-content:center;}
.cm .ci svg{width:21px;height:21px;fill:var(--indigo);}
.cm b{display:block;font-size:14.5px;}
.cm span{font-size:12.5px;color:var(--slate);line-height:1.45;display:block;}

/* ---------- Section scaffolding ---------- */
.section{padding:76px 0;}
.sec-head{text-align:center;max-width:640px;margin:0 auto 44px;}
.sec-head h2{font-size:34px;font-weight:900;margin-top:10px;}
.sec-head p{color:var(--slate);margin-top:12px;font-size:16px;}

/* ---------- Problem picker (v2) ---------- */
.picker-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.pick{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;
  display:flex;flex-direction:column;color:var(--ink);transition:.18s;box-shadow:var(--shadow-sm);position:relative;
}
.pick:hover{border-color:rgba(76,95,213,.45);box-shadow:var(--shadow-md);text-decoration:none;transform:translateY(-3px);}
.pick .pi{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--indigo-soft);}
.pick .pi svg{width:24px;height:24px;fill:none;stroke:var(--indigo);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.pick:hover .pi{background:var(--indigo);}
.pick:hover .pi svg{stroke:#fff;}
.pick b{display:block;margin:14px 0 6px;font-size:16.5px;}
.pick span.d{color:var(--slate);font-size:13.5px;line-height:1.5;display:block;}
.pick .go{margin-top:14px;font-size:13.5px;font-weight:700;color:var(--indigo);}
.pick:hover .go{text-decoration:underline;}

/* ---------- App sections (v2 grid) ---------- */
.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.app-block{
  background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px 28px 16px;
  box-shadow:var(--shadow-sm);transition:.18s;
}
.app-block:hover{box-shadow:var(--shadow-md);}
.app-block.wide{grid-column:1/-1;}
.app-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.dot{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:14px;flex:0 0 38px;box-shadow:var(--shadow-sm);}
.dot.zoom{background:#2d8cff;}.dot.teams{background:#6264a7;}.dot.meet{background:#00897b;}.dot.webex{background:#00bceb;}.dot.guides{background:var(--indigo);}
.dot.applogo{background:#fff;border:1px solid var(--line);}
.dot.applogo svg{width:68%;height:68%;display:block;}
.app-head h2{font-size:20px;flex:1;}
.app-head .count{font-size:12px;font-weight:700;color:var(--slate);background:var(--bg-soft);border:1px solid var(--line);padding:4px 11px;border-radius:20px;white-space:nowrap;}
.lead-in{color:var(--slate);font-size:14.5px;margin:4px 0 14px;}
.art-list{list-style:none;}
.art-list li{border-top:1px solid var(--line);padding:12px 0;}
.art-list a{font-weight:650;font-size:15px;display:block;}
.art-list span{color:var(--slate);font-size:13px;display:block;margin-top:2px;}

/* ---------- Process strip ---------- */
.process{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.process .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{position:relative;padding-top:6px;}
.step .n{font-size:44px;font-weight:900;color:transparent;-webkit-text-stroke:1.6px var(--indigo);opacity:.85;line-height:1;}
.step b{display:block;font-size:15.5px;margin:12px 0 6px;}
.step p{font-size:13.5px;color:var(--slate);line-height:1.55;}

/* ---------- Soft commercial (dark band) ---------- */
.softsell{padding:76px 0;}
.softsell .box{
  background:linear-gradient(120deg,var(--navy) 0%,#1d2750 62%,#2a3564 100%);
  border-radius:22px;padding:52px 54px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-lg);
}
.softsell .box::after{content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,147,12,.22),transparent 65%);}
.softsell .eyebrow{color:#a9b6ee;}
.softsell h2{font-size:30px;margin-top:10px;max-width:22ch;}
.softsell p{color:#c0c8e4;margin-top:14px;max-width:68ch;font-size:15.5px;position:relative;z-index:1;}
.softsell a.more{display:inline-flex;align-items:center;gap:8px;margin-top:24px;background:var(--amber);color:#1d1607;font-weight:800;font-size:15px;padding:13px 24px;border-radius:11px;}
.softsell a.more:hover{background:#f2a327;text-decoration:none;}

/* ---------- About strip ---------- */
.about-strip{padding:0 0 76px;}
.about-strip .inner{
  max-width:680px;margin:0 auto;text-align:center;color:var(--slate);font-size:15px;
  display:flex;flex-direction:column;align-items:center;gap:12px;
}
.about-strip .avatar{width:44px;height:44px;border-radius:50%;background:var(--indigo);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;box-shadow:var(--shadow-md);}

/* ---------- Article layout (unchanged system) ---------- */
.crumbs{font-size:13px;color:var(--slate);padding:18px 0 0;}
.crumbs a{color:var(--slate);}
.article{padding:10px 0 60px;}
.article h1{font-size:34px;font-weight:900;margin-top:10px;}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;color:var(--slate);font-size:13.5px;margin:14px 0 6px;}
.meta-row .avatar{width:26px;height:26px;border-radius:50%;background:var(--indigo);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;}
.meta-row b{color:var(--ink);font-weight:700;}
.disclosure-line{font-size:12.5px;color:var(--slate);background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;margin:14px 0 4px;}
.answer-first{background:var(--indigo-soft);border-left:4px solid var(--indigo);border-radius:0 12px 12px 0;padding:18px 22px;margin:22px 0 8px;font-size:16.5px;}
.answer-first b,.article strong{font-weight:700;}
.prereq{font-size:13px;color:var(--slate);border:1px dashed var(--line);border-radius:8px;padding:8px 12px;margin:16px 0 8px;display:inline-block;}
.article h2{font-size:24px;margin:36px 0 12px;}
.article h3{font-size:18px;margin:22px 0 8px;}
.article p{margin:12px 0;color:#2c3038;}
.article ol{margin:14px 0 8px 22px;}
.article ol li{margin-bottom:9px;}
.article ul{margin:12px 0 8px 22px;}
.article ul li{margin-bottom:8px;}
.why-note{font-size:14.5px;color:var(--slate);background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:14px 0;}
.why-note b{color:var(--ink);}

/* ---------- CTA box ---------- */
.cta-box{background:linear-gradient(150deg,#fff7ec,#fdefdb);border:1px solid #f3ddba;border-radius:14px;padding:24px 26px;margin:30px 0;}
.cta-box .tag{font-size:11.5px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--amber-deep);}
.cta-box h3{font-size:19px;margin:8px 0 8px;}
.cta-box p{font-size:15px;color:#4a4436;margin:0 0 14px;}
.cta-box .btn{display:inline-block;background:var(--amber);color:#fff;font-weight:700;font-size:15px;padding:12px 22px;border-radius:9px;box-shadow:none;}
.cta-box .btn:hover{background:var(--amber-deep);text-decoration:none;transform:none;}
.cta-box .sub-link{font-size:13.5px;margin-left:14px;}

/* ---------- FAQ ---------- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;padding:2px 18px;}
.faq summary{font-weight:700;font-size:15.5px;padding:13px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:10px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--indigo);font-size:20px;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq details p{padding-bottom:14px;margin:0;font-size:14.5px;color:var(--slate);}

/* ---------- Related ---------- */
.related{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 24px;margin-top:34px;}
.related h2{font-size:16px;margin:0 0 10px;text-transform:uppercase;letter-spacing:.8px;color:var(--slate);}
.related ul{list-style:none;margin:0;}
.related li{padding:6px 0;margin:0;}

/* ---------- Tables (commercial pages) ---------- */
.cmp{width:100%;border-collapse:collapse;font-size:14.5px;margin:16px 0;}
.cmp th,.cmp td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top;}
.cmp th{background:var(--indigo-soft);font-size:13.5px;}
.cmp .y{color:var(--green);font-weight:700;}
.cmp .n{color:#b3392f;font-weight:700;}

/* ---------- Verdict box (commercial) ---------- */
.verdict{background:var(--card);border:2px solid var(--indigo);border-radius:14px;padding:24px 28px;margin:24px 0;}
.verdict .vh{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;}
.verdict h2{font-size:20px;margin:0;}

/* ---------- Footer (v2, categorized) ---------- */
.footer{background:var(--bg-soft);border-top:1px solid var(--line);margin-top:30px;}
.footer .f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding:52px 0 40px;}
.footer .fb{color:var(--slate);font-size:13.5px;}
.footer .fb .brand{margin-bottom:12px;font-size:17px;}
.footer .fb p{max-width:36ch;}
.footer h4{font-size:12.5px;letter-spacing:1.2px;text-transform:uppercase;color:var(--ink);margin-bottom:14px;}
.footer ul{list-style:none;}
.footer li{margin-bottom:9px;}
.footer ul a{color:var(--slate);font-size:13.5px;}
.footer ul a:hover{color:var(--indigo);}
.footer .fine{border-top:1px solid var(--line);padding:18px 0 26px;color:#9aa0ab;font-size:12.5px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .home-hero h1{font-size:38px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .hstat:nth-child(2){border-right:none;}
  .commit .wrap{grid-template-columns:1fr 1fr;}
  .picker-grid{grid-template-columns:1fr 1fr;}
  .apps-grid{grid-template-columns:1fr;}
  .process .steps{grid-template-columns:1fr 1fr;}
  .nav{display:none;}
  .article h1{font-size:27px;}
  .softsell .box{padding:36px 28px;}
  .footer .f-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:560px){
  .picker-grid,.commit .wrap,.process .steps{grid-template-columns:1fr;}
  .home-hero h1{font-size:31px;}
  .sec-head h2{font-size:26px;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .cmp{display:block;overflow-x:auto;}
  .footer .f-grid{grid-template-columns:1fr;}
}