/* Derila Ergo Pillow — css/style.css
   Domain: us-derilaergo-pillow.us
   Theme: Royal Blue #2B5CE6 + Teal #06C0CF + White
   Optimised for PageSpeed 95+ — minimal selectors, no unused rules */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#2B5CE6;--blue-d:#1A3DB5;--blue-l:#EEF2FF;--blue-xl:#F5F7FF;
  --teal:#06C0CF;--teal-d:#059AAA;--teal-l:#E0F9FB;
  --white:#fff;--off:#F8FAFC;--stone:#F1F5F9;
  --txt:#0F172A;--mid:#334155;--muted:#64748B;
  --bdr:#E2E8F0;--radius:10px;--rc:16px;
  --sh:0 2px 14px rgba(43,92,230,.08);--shh:0 10px 32px rgba(6,192,207,.18);
}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,'Segoe UI',sans-serif;font-size:17px;color:var(--txt);background:var(--white);line-height:1.75;overflow-x:hidden}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:3px solid var(--blue);box-shadow:0 1px 12px rgba(43,92,230,.10);padding:0 20px;height:68px}
.ni{max-width:1140px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nl{font-size:1.5rem;font-weight:900;color:var(--blue);text-decoration:none;letter-spacing:.5px}
.nl span{color:var(--teal)}
.nm{display:flex;align-items:center;gap:20px;list-style:none}
.nm a{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s}
.nm a:hover{color:var(--blue)}
.nob{background:var(--blue);color:var(--white)!important;padding:8px 20px!important;border-radius:6px;font-weight:700!important;font-size:.85rem!important;box-shadow:0 2px 8px rgba(43,92,230,.35);transition:background .2s!important}
.nob:hover{background:var(--blue-d)!important}
.hb{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;flex-shrink:0}
.hb span{width:24px;height:2px;background:var(--blue);display:block;border-radius:2px}
.mm{display:none;flex-direction:column;background:var(--white);position:absolute;top:68px;left:0;right:0;padding:20px 24px;gap:14px;z-index:99;border-bottom:3px solid var(--blue);box-shadow:0 6px 20px rgba(43,92,230,.10)}
.mm.open{display:flex}
.mm a{color:var(--txt);text-decoration:none;font-size:1rem;font-weight:500}
.mm .mob{background:var(--blue);color:var(--white);text-align:center;padding:11px;border-radius:6px;font-weight:700;margin-top:4px}

/* BUTTONS */
.bp{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:var(--white);font-weight:700;font-size:.97rem;padding:14px 32px;border-radius:7px;border:none;text-decoration:none;transition:all .2s;box-shadow:0 3px 14px rgba(43,92,230,.35)}
.bp:hover{background:var(--blue-d);transform:translateY(-2px);box-shadow:0 6px 20px rgba(43,92,230,.40)}
.bt{display:inline-flex;align-items:center;justify-content:center;background:var(--teal);color:var(--white);font-weight:700;font-size:.97rem;padding:14px 32px;border-radius:7px;border:none;text-decoration:none;transition:all .2s;box-shadow:0 3px 14px rgba(6,192,207,.35)}
.bt:hover{background:var(--teal-d);transform:translateY(-2px)}
.bo{display:inline-flex;align-items:center;justify-content:center;background:transparent;color:var(--blue);font-weight:600;font-size:.95rem;padding:13px 28px;border-radius:7px;border:2px solid var(--blue);text-decoration:none;transition:all .2s}
.bo:hover{background:var(--blue);color:var(--white)}

/* HERO */
.hero{background:linear-gradient(135deg,var(--blue-xl) 0%,var(--teal-l) 100%);padding:64px 24px}
.hi{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:52px}
.hc .tag{display:inline-block;background:var(--teal-l);color:var(--teal-d);font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:2px;padding:4px 14px;border-radius:50px;border:1px solid rgba(6,192,207,.30);margin-bottom:18px}
.hc h1{font-size:2.3rem;font-weight:900;line-height:1.1;color:var(--blue);letter-spacing:-.5px;margin-bottom:14px}
.hc h1 strong{color:var(--teal-d)}
.hc p{font-size:1.02rem;color:var(--mid);line-height:1.80;margin-bottom:20px}
.hl{display:block;background:var(--blue-l);border-left:4px solid var(--blue);padding:11px 14px;border-radius:0 8px 8px 0;font-size:.92rem;font-weight:700;color:var(--blue-d);margin-bottom:26px}
.hb2{display:flex;flex-wrap:wrap;gap:12px}
.hig{display:flex;justify-content:center;align-items:center}
.hig a img{max-width:100%;max-height:480px;object-fit:contain;filter:drop-shadow(0 16px 40px rgba(43,92,230,.15));transition:transform .4s}
.hig a:hover img{transform:scale(1.03)}

/* STRIP */
.strip{background:var(--blue);padding:13px 24px;display:flex;flex-wrap:wrap;justify-content:center;gap:0;border-bottom:3px solid var(--teal)}
.ss{display:flex;flex-direction:column;align-items:center;padding:5px 24px;border-right:1px solid rgba(255,255,255,.14)}
.ss:last-child{border-right:none}
.sn{font-size:1.3rem;font-weight:900;color:var(--teal);line-height:1}
.sl{font-size:.63rem;font-weight:700;color:rgba(255,255,255,.60);text-transform:uppercase;letter-spacing:.7px;margin-top:2px}

/* SECTIONS */
.stb{background:var(--blue-d);padding:46px 24px 38px;text-align:center}
.stb h2{font-size:1.8rem;font-weight:900;color:var(--white);display:inline-block;padding-bottom:14px;position:relative;letter-spacing:-.3px}
.stb h2::after{content:'';display:block;width:56px;height:4px;background:var(--teal);position:absolute;bottom:0;left:50%;transform:translateX(-50%);border-radius:2px}
.stb h2 .hl2{color:var(--teal)}
.stb p.sub{font-size:.95rem;color:rgba(255,255,255,.60);max-width:580px;margin:13px auto 0;line-height:1.70}

/* REVIEWS */
.rv{background:var(--stone);padding:60px 24px}
.rg{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rc{background:var(--white);border:1px solid var(--bdr);border-radius:var(--rc);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh);transition:box-shadow .3s,transform .3s;border-top:4px solid var(--teal)}
.rc:hover{box-shadow:var(--shh);transform:translateY(-4px)}
.rph{width:100%;height:180px;background:var(--blue-l);display:flex;align-items:center;justify-content:center;overflow:hidden;flex-shrink:0;position:relative}
.rph img{width:100%;height:100%;object-fit:contain;object-position:center}
.rb{padding:18px 18px 22px;flex:1;display:flex;flex-direction:column}
.rsi{height:18px;display:block;object-fit:contain;margin:0 auto 8px}
.rbg{font-size:.78rem;font-weight:700;color:var(--teal-d);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.rt{font-size:.94rem;line-height:1.74;color:var(--muted);font-style:italic;flex:1}
.rn{margin-top:12px;font-weight:700;color:var(--blue);font-size:.87rem;padding-top:10px;border-top:1px solid var(--bdr)}

/* PROSE */
.wi{background:var(--white);padding:60px 24px}
.win{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1.4fr;align-items:center;gap:52px}
.wii img{width:100%;max-width:400px;max-height:360px;object-fit:contain;filter:drop-shadow(0 8px 24px rgba(43,92,230,.12));display:block;margin:0 auto}
.wt p{font-size:1rem;line-height:1.82;color:var(--muted);margin-bottom:16px}
.wt p strong{color:var(--txt)}

/* BENEFITS GRID */
.bg2{background:var(--off);padding:60px 24px}
.bgr{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bc{background:var(--white);border:1px solid var(--bdr);border-radius:var(--rc);padding:26px 20px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--sh);transition:box-shadow .3s,transform .25s;border-top:3px solid var(--blue)}
.bc:hover{box-shadow:var(--shh);transform:translateY(-3px)}
.bci{font-size:1.8rem;line-height:1}
.bc h3{font-size:.86rem;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.5px;margin:0}
.bc p{font-size:.93rem;line-height:1.72;color:var(--muted);margin:0}

/* PRICE IMAGE */
.pi{background:var(--stone);padding:44px 24px;text-align:center}
.pi a img{max-width:860px;width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--sh);border:1px solid var(--bdr);transition:transform .3s}
.pi a:hover img{transform:scale(1.01)}

/* PRICING BAND */
.pb{background:var(--blue);padding:38px 24px 12px;text-align:center;border-top:3px solid var(--teal)}
.pb h3{font-size:1.65rem;font-weight:900;color:var(--white);margin-bottom:6px}
.pb h3 span{color:var(--teal)}
.pb h4{font-size:.93rem;font-weight:400;color:rgba(255,255,255,.62)}

/* GUARANTEE */
.gua{background:var(--blue-l);padding:60px 24px}
.guin{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:220px 1fr;align-items:center;gap:52px}
.guiw{display:flex;justify-content:center}
.guiw img{max-width:220px;width:100%;height:auto;object-fit:contain;filter:drop-shadow(0 6px 16px rgba(43,92,230,.12))}
.gut p{font-size:1rem;line-height:1.82;color:var(--muted);margin-bottom:16px}
.gut p strong{color:var(--txt)}

/* FEATURES LIST */
.fl{background:var(--white);padding:60px 24px}
.fll{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.fi2{background:var(--off);border:1px solid var(--bdr);border-left:5px solid var(--teal);border-radius:var(--rc);padding:18px 20px;display:flex;gap:14px;align-items:flex-start;box-shadow:var(--sh)}
.fi2 .ico{min-width:44px;height:44px;background:var(--teal-l);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.fi2 h3{font-size:.85rem;font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.4px;margin-bottom:4px}
.fi2 p{font-size:.94rem;line-height:1.72;color:var(--muted);margin:0}

/* FAQS */
.fqs{background:var(--stone);padding:60px 24px}
.fql{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:9px}
.fi{background:var(--white);border:1px solid var(--bdr);border-radius:var(--radius);overflow:hidden;box-shadow:var(--sh)}
.fq{width:100%;background:none;border:none;text-align:left;padding:16px 22px;font-family:inherit;font-size:.97rem;font-weight:600;color:var(--blue);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;line-height:1.4}
.fq:hover{background:var(--blue-xl)}
.fa2{font-size:.85rem;color:var(--teal-d);transition:transform .3s;flex-shrink:0}
.fan{display:none;padding:14px 22px 18px;font-size:.95rem;line-height:1.78;color:var(--muted);border-top:1px solid var(--bdr)}
.fi.open .fan{display:block}
.fi.open .fa2{transform:rotate(180deg)}

/* ORDER */
.ord{background:var(--white);padding:60px 24px}
.oin{max-width:860px;margin:0 auto}
.oin p{font-size:1rem;line-height:1.82;color:var(--muted);margin-bottom:16px}
.oin p strong{color:var(--txt)}
.oiw{text-align:center;margin-top:30px}
.oiw a img{max-width:860px;width:100%;height:auto;border-radius:var(--radius);box-shadow:var(--sh);border:1px solid var(--bdr)}

/* INFO BLOCKS */
.inf{background:var(--off);padding:44px 24px}
.ifn{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}
.ib{background:var(--white);border:1px solid var(--bdr);border-radius:var(--radius);padding:20px 22px;border-left:5px solid var(--teal);box-shadow:var(--sh)}
.ib h4{font-size:.95rem;font-weight:800;color:var(--blue);margin-bottom:8px}
.ib p,.ib li{font-size:.95rem;line-height:1.78;color:var(--muted)}
.ib ul{list-style:none;padding:0;margin:0}
.ib li{padding:3px 0}
.ib li::before{content:"✔ ";color:var(--teal-d);font-weight:700}

/* CTA */
.cta{background:var(--blue-d);padding:70px 24px;text-align:center;border-top:3px solid var(--teal)}
.cta h2{font-size:1.85rem;font-weight:900;color:var(--white);margin-bottom:28px;line-height:1.2}
.cta h2 .hl2{color:var(--teal)}
.cpic{max-width:360px;margin:0 auto 24px}
.cpic a img{width:100%;height:auto;filter:drop-shadow(0 12px 32px rgba(6,192,207,.22));transition:transform .4s}
.cpic a:hover img{transform:scale(1.04)}
.cpr{font-size:1rem;color:rgba(255,255,255,.35);text-decoration:line-through;display:block;margin-bottom:4px}
.ccp{font-size:2.5rem;font-weight:900;color:var(--teal);display:block;margin-bottom:24px;letter-spacing:-1px}

/* FOOTER */
footer{background:#0A0F1E;padding:40px 24px 24px;border-top:3px solid var(--teal)}
.fc{max-width:1100px;margin:0 auto 22px;display:flex;flex-wrap:wrap;justify-content:center}
.fc a{color:rgba(255,255,255,.40);text-decoration:none;font-size:.85rem;padding:4px 14px;border-right:1px solid rgba(255,255,255,.08);transition:color .2s}
.fc a:last-child{border-right:none}
.fc a:hover{color:var(--teal)}
.fl2{max-width:1100px;margin:0 auto;border-top:1px solid rgba(255,255,255,.07);padding-top:18px}
.fl2 p{font-size:.8rem;color:rgba(255,255,255,.26);line-height:1.72;margin-bottom:8px}
.fcp{text-align:center;font-size:.8rem;color:rgba(255,255,255,.18);margin-top:12px}
.fcp a{color:rgba(255,255,255,.35);text-decoration:none}

/* RESPONSIVE */
@media(max-width:960px){.hi{grid-template-columns:1fr;gap:32px}.hig{order:-1}.win{grid-template-columns:1fr;gap:32px}.bgr{grid-template-columns:1fr 1fr}.rg{grid-template-columns:1fr 1fr}.guin{grid-template-columns:1fr;text-align:center}.guiw{justify-content:center}}
@media(max-width:640px){.nm{display:none}.hb{display:flex}.strip{flex-direction:column;align-items:center;padding:12px 16px}.ss{border-right:none}.hc h1{font-size:1.75rem}.stb h2{font-size:1.45rem}.bgr,.rg{grid-template-columns:1fr}.hero,.wi,.bg2,.rv,.gua,.fl,.fqs,.ord,.cta{padding:44px 16px}.pi,.inf{padding:28px 14px}.pb{padding:30px 16px 10px}.cta h2{font-size:1.45rem}.ccp{font-size:1.9rem}}