:root{
--ink:#1e1e31;
--muted:#6b6f78;
--paper:#f8f7f3;
--panel:#efeee9;
--line:#d9d5cb;
--accent:#b59a63;
--accent-dark:#8f7546;
--steel:#626a78;
--night:#171826;
--white:#ffffff;
--max:1160px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.65}
a{color:var(--accent2)}img{max-width:100%}.wrap{max-width:var(--max);margin:auto;padding:0 24px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(251,250,247,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}.brand{font-family:Georgia,serif;font-weight:700;font-size:1.35rem;text-decoration:none;color:var(--ink);letter-spacing:.2px}
.nav-links{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.nav-links a{text-decoration:none;color:var(--ink);font-size:.95rem}.nav-cta{padding:10px 14px;border:1px solid var(--accent);border-radius:999px}
.hero{padding:80px 0 40px;background:linear-gradient(135deg,#f7f3e9,#eef1ef)}.kicker,.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.76rem;font-weight:800;color:var(--accent)}
h1,h2,h3{font-family:Georgia,serif;line-height:1.15}h1{font-size:clamp(2.4rem,6vw,4.5rem);max-width:850px;margin:.25em 0}h2{font-size:clamp(1.65rem,3vw,2.35rem);margin-top:2em}h3{font-size:1.3rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:800px}.content{padding:48px 0 80px}.content>p,.content>ul,.content>ol,.content>table,.content>.verdict,.content>.note{max-width:820px}
.grid{display:grid;gap:20px}.cards{grid-template-columns:repeat(3,1fr);margin:36px 0}.card{background:var(--white);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:0 8px 30px rgba(21,35,43,.05)}.card h2{font-size:1.45rem;margin-top:.4rem}.text-link{font-weight:700;text-decoration:none}
.button{display:inline-block;background:var(--ink);color:var(--white);text-decoration:none;font-weight:800;padding:14px 20px;border-radius:8px;margin:8px 0}.button:hover{background:var(--accent2)}
.soft{background:var(--panel);border-radius:24px;padding:32px;margin-top:48px}.pill-grid{display:flex;flex-wrap:wrap;gap:10px}.pill-grid a{border:1px solid var(--line);background:white;border-radius:999px;padding:9px 14px;text-decoration:none}
.verdict{background:#fff;border-left:4px solid var(--accent);padding:18px 20px;margin:24px 0;border-radius:8px}.note{background:#f2f0e9;padding:14px 18px;border-radius:8px;color:var(--muted)}
table{border-collapse:collapse;width:100%;margin:24px 0;background:white}th,td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}th{background:var(--panel)}
.sources{margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}.sources li{margin:.35rem 0}
.site-footer{border-top:1px solid var(--line);background:#132129;color:#dfe5e5;padding:42px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.site-footer a{color:#fff}.fine{font-size:.85rem;color:#b9c3c6}
.breadcrumbs{font-size:.88rem;color:var(--muted);margin-bottom:20px}.breadcrumbs a{color:var(--muted)}
@media(max-width:800px){.nav{align-items:flex-start;padding:16px 0}.nav-links{justify-content:flex-end}.cards,.footer-grid{grid-template-columns:1fr}.hero{padding-top:48px}h1{font-size:2.6rem}.nav-links a:not(.nav-cta){display:none}}


/* King Koil-congruent premium visual system: independent Mattress Maven branding */
body{
  background:
    radial-gradient(circle at 85% 8%, rgba(181,154,99,.08), transparent 28rem),
    var(--paper);
  color:var(--ink);
}
.site-header{
  background:rgba(248,247,243,.96);
  border-bottom:1px solid rgba(30,30,49,.12);
  box-shadow:0 3px 20px rgba(30,30,49,.035);
}
.brand{
  font-family:Georgia,"Times New Roman",serif;
  letter-spacing:.04em;
}
.nav-links a{
  letter-spacing:.015em;
}
.nav-cta{
  border-color:var(--accent);
  background:var(--night);
  color:#fff!important;
  border-radius:2px;
  padding:11px 18px;
}
.hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 54px;
  background:
    linear-gradient(105deg,rgba(30,30,49,.98),rgba(30,30,49,.88) 56%,rgba(98,106,120,.78)),
    linear-gradient(135deg,#202134,#656c79);
  color:#fff;
}
.hero:after{
  content:"";
  position:absolute;
  right:-8vw;top:-16vw;
  width:42vw;height:42vw;
  border:1px solid rgba(181,154,99,.32);
  border-radius:50%;
  box-shadow:0 0 0 46px rgba(181,154,99,.025),0 0 0 92px rgba(181,154,99,.018);
}
.hero .wrap{position:relative;z-index:1}
.hero h1{max-width:900px;font-weight:400;letter-spacing:-.025em}
.hero .kicker{color:#d6c192}
.kicker,.eyebrow{color:var(--accent-dark)}
h1,h2,h3{font-weight:400}
h2{letter-spacing:-.015em}
.content{padding-top:58px}
.card{
  border-radius:0;
  border:1px solid rgba(30,30,49,.12);
  box-shadow:0 12px 34px rgba(30,30,49,.055);
}
.card:before{
  content:"";
  display:block;
  width:42px;height:2px;
  margin-bottom:18px;
  background:var(--accent);
}
.button{
  background:var(--night);
  border:1px solid var(--night);
  border-radius:2px;
  padding:15px 22px;
  letter-spacing:.025em;
  transition:.2s ease;
}
.button:hover{
  background:transparent;
  color:var(--night);
  border-color:var(--accent-dark);
}
.soft{
  background:linear-gradient(135deg,#eceae4,#f6f4ee);
  border-radius:0;
  border-left:3px solid var(--accent);
}
.pill-grid a{
  border-radius:2px;
  background:#fff;
  border-color:#cfcbc1;
}
.verdict{
  background:#fff;
  border-left-color:var(--accent);
  border-radius:0;
  box-shadow:0 10px 28px rgba(30,30,49,.04);
}
table{box-shadow:0 6px 26px rgba(30,30,49,.035)}
th{background:#eceae4}
.site-footer{
  background:var(--night);
  border-top:3px solid var(--accent);
}
.text-link{color:#4b5260}

/* Full-page affiliate overlay */
.kk-overlay{
  position:fixed;
  inset:0;
  z-index:9999;
  display:none;
  background:rgba(17,18,29,.78);
  backdrop-filter:blur(10px);
  padding:18px;
}
.kk-overlay.is-open{display:grid;place-items:center}
.kk-overlay-panel{
  width:min(1180px,100%);
  min-height:min(760px,calc(100vh - 36px));
  display:grid;
  grid-template-columns:1.02fr .98fr;
  background:#f7f5ef;
  box-shadow:0 28px 90px rgba(0,0,0,.38);
  position:relative;
  overflow:hidden;
}
.kk-overlay-visual{
  position:relative;
  min-height:520px;
  background:
    linear-gradient(150deg,rgba(24,25,39,.2),rgba(24,25,39,.82)),
    radial-gradient(circle at 33% 25%,rgba(255,255,255,.32),transparent 28%),
    linear-gradient(125deg,#8a8e96 0%,#4f5664 42%,#202131 100%);
}
.kk-overlay-visual:before,
.kk-overlay-visual:after{
  content:"";
  position:absolute;
  border:1px solid rgba(215,195,151,.38);
  border-radius:50%;
}
.kk-overlay-visual:before{width:430px;height:430px;left:-110px;bottom:-145px}
.kk-overlay-visual:after{width:260px;height:260px;left:-26px;bottom:-62px}
.kk-bedline{
  position:absolute;
  left:10%;right:10%;bottom:17%;
  height:30%;
  border:1px solid rgba(255,255,255,.42);
  background:linear-gradient(180deg,rgba(255,255,255,.18),rgba(255,255,255,.05));
  box-shadow:0 30px 55px rgba(0,0,0,.26);
}
.kk-bedline:before{
  content:"";
  position:absolute;
  left:-4%;right:-4%;top:-33%;
  height:35%;
  border-radius:50% 50% 8px 8px/80% 80% 8px 8px;
  background:rgba(247,245,239,.86);
}
.kk-overlay-wordmark{
  position:absolute;
  left:8%;top:8%;
  color:#fff;
  font-family:Georgia,"Times New Roman",serif;
  font-size:clamp(1.25rem,2vw,1.8rem);
  letter-spacing:.08em;
}
.kk-overlay-wordmark small{
  display:block;
  font:600 .67rem/1.3 Inter,system-ui,sans-serif;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:#d8c699;
  margin-top:6px;
}
.kk-overlay-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:clamp(36px,6vw,76px);
}
.kk-overlay-copy .eyebrow{margin-bottom:12px}
.kk-overlay-copy h2{
  font-size:clamp(2.15rem,4.2vw,4rem);
  margin:.08em 0 .3em;
  line-height:1.03;
}
.kk-overlay-copy p{color:#60636c;font-size:1.05rem}
.kk-overlay-cta{
  display:block;
  text-align:center;
  width:100%;
  margin-top:18px;
  padding:17px 22px;
  background:var(--night);
  color:#fff;
  text-decoration:none;
  font-weight:800;
  letter-spacing:.035em;
  border:1px solid var(--night);
}
.kk-overlay-cta:hover{
  background:#2c2e41;
}
.kk-overlay-secondary{
  appearance:none;
  border:0;
  background:transparent;
  text-decoration:underline;
  cursor:pointer;
  margin-top:14px;
  color:#555966;
  font:inherit;
}
.kk-overlay-close{
  position:absolute;
  z-index:3;
  right:18px;top:18px;
  width:42px;height:42px;
  display:grid;place-items:center;
  border:1px solid rgba(30,30,49,.18);
  background:rgba(248,247,243,.92);
  color:var(--night);
  font-size:1.4rem;
  cursor:pointer;
}
.kk-overlay-disclosure{
  font-size:.78rem!important;
  color:#777b83!important;
  margin-top:18px;
}
body.overlay-open{overflow:hidden}
@media(max-width:800px){
  .kk-overlay{padding:0}
  .kk-overlay-panel{
    min-height:100vh;
    grid-template-columns:1fr;
    overflow-y:auto;
  }
  .kk-overlay-visual{min-height:32vh}
  .kk-overlay-copy{padding:34px 26px 42px}
  .kk-overlay-copy h2{font-size:2.45rem}
}


/* ===== Canonical header / navigation override ===== */
.site-header{
  position:sticky!important; top:0!important; z-index:5000!important; width:100%!important;
  background:rgba(248,247,243,.98)!important;
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(30,30,49,.13)!important;
  box-shadow:0 7px 28px rgba(23,24,38,.06)!important;
}
.nav-shell{
  min-height:78px; display:flex; align-items:center; justify-content:space-between; gap:28px;
}
.site-header .brand{
  display:flex; align-items:center; gap:12px; min-width:220px;
  color:var(--night)!important; text-decoration:none!important;
}
.brand-mark{
  width:40px; height:40px; display:grid; place-items:center; flex:0 0 40px;
  background:var(--night); color:#d9c495; border:1px solid #b59a63;
  font:700 14px/1 Georgia,serif; letter-spacing:.08em;
}
.brand-copy{display:flex; flex-direction:column; line-height:1.05}
.brand-copy strong{font:600 1.12rem/1.1 Georgia,"Times New Roman",serif; letter-spacing:.035em}
.brand-copy small{
  margin-top:5px; font:600 .61rem/1.2 Inter,system-ui,sans-serif;
  text-transform:uppercase; letter-spacing:.13em; color:#777b84;
}
.site-header .nav-links{
  display:flex!important; align-items:center; justify-content:flex-end;
  gap:20px; flex-wrap:nowrap!important;
}
.site-header .nav-links>a{
  display:inline-flex!important; align-items:center; min-height:42px;
  color:#262738!important; text-decoration:none!important; font-size:.92rem!important; white-space:nowrap;
}
.site-header .nav-links>a:hover{color:#8f7546!important}
.site-header .nav-cta{
  padding:11px 17px!important; background:#171826!important; color:#fff!important;
  border:1px solid #b59a63!important; border-radius:2px!important;
}
.site-header .nav-cta:hover{background:#2d2f42!important; color:#fff!important}
.menu-toggle{
  display:none; width:44px; height:44px; border:1px solid rgba(30,30,49,.18);
  background:#fff; padding:10px; cursor:pointer;
}
.menu-toggle span{display:block; height:2px; background:#1e1e31; margin:5px 0}
@media(max-width:900px){
  .nav-shell{min-height:70px; position:relative}
  .brand-copy small{display:none}
  .menu-toggle{display:block}
  .site-header .nav-links{
    display:none!important; position:absolute; top:calc(100% + 1px); left:24px; right:24px;
    flex-direction:column; align-items:stretch; gap:0; padding:12px;
    background:#f8f7f3; border:1px solid rgba(30,30,49,.14);
    box-shadow:0 18px 50px rgba(23,24,38,.12);
  }
  .site-header .nav-links.is-open{display:flex!important}
  .site-header .nav-links>a{
    display:flex!important; padding:10px 8px; border-bottom:1px solid rgba(30,30,49,.08);
  }
  .site-header .nav-links>a:last-child{border-bottom:0}
  .site-header .nav-cta{justify-content:center; margin-top:8px}
}
@media(max-width:520px){
  .brand-copy strong{font-size:1rem}
  .brand-mark{width:36px; height:36px; flex-basis:36px}
  .wrap{padding-left:18px; padding-right:18px}
  .site-header .nav-links{left:18px; right:18px}
}