/* ===================================================================
   DERILA ERGO PILLOW — deriilaergopillow.com
   Template : "sleep-lab" — clinical/diagnostic layout with a sleep-
              position fit-matrix (side/back/stomach), a lab-sheet
              spec table, and an honest breaking-in timeline. First
              physical/ergonomic (non-supplement) product build;
              deliberately distinct from all 16 prior supplement
              templates (numbered-editorial, honeycomb-wellness,
              momentum-diagonal, verification-scorecard, power-dial,
              mobility-motion, clarity-brief, neural-map, signal-wave,
              buyer-console, scam-shield, fresh-start, ignition,
              dual-track, steel-ledger, glow-atlas).
   Palette  : navy #14233F | navy-dk #0C1728 | sky #7AA7E5 | sky-lt #C9DDF5
              paper #FFFFFF | mist #F1F5FB | ink #17223A | slate #5A6478
              line #E2E8F2
   Type     : 'Roboto' (headings) + 'Open Sans' (body)
=================================================================== */

:root{
  --navy:#14233F;
  --navy-dk:#0C1728;
  --sky:#7AA7E5;
  --sky-lt:#C9DDF5;
  --paper:#FFFFFF;
  --mist:#F1F5FB;
  --ink:#17223A;
  --slate:#5A6478;
  --line:#E2E8F2;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Open Sans',sans-serif;
  font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Roboto',sans-serif;line-height:1.2;margin:0 0 .5em;color:var(--navy);
  overflow-wrap:break-word;word-break:break-word}
h1{font-size:clamp(2rem,5vw,3.15rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.2vw,2.3rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.25rem;font-weight:700}
h4{font-size:1.01rem;font-weight:700}
p{margin:0 0 1.15em}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.dr-wrap{max-width:1140px;margin:0 auto;padding:0 22px}
.dr-narrow{max-width:800px;margin:0 auto}

.dr-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--sky);
  color:var(--navy-dk);font-family:'Roboto',sans-serif;font-weight:800;font-size:.98rem;padding:15px 30px;
  border:none;border-radius:6px;cursor:pointer;transition:transform .16s,background .16s}
.dr-btn:hover{background:#628FD6;color:var(--navy-dk);transform:translateY(-2px)}
.dr-btn-dark{background:var(--navy);color:#fff}
.dr-btn-dark:hover{background:var(--navy-dk);color:#fff}
.dr-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:transparent;
  border:1.5px solid var(--line);color:var(--navy);font-family:'Roboto',sans-serif;font-weight:700;
  font-size:.95rem;padding:13px 26px;border-radius:6px;transition:.16s}
.dr-btn-ghost:hover{border-color:var(--sky);color:var(--navy)}
.dr-btn-ghost-lite{border-color:rgba(255,255,255,.35);color:#D9E6F7}
.dr-btn-ghost-lite:hover{border-color:#fff;color:#fff}
.dr-btn-full{width:100%}

.dr-strip{background:var(--navy-dk);color:#B9C9E3;font-size:.78rem;text-align:center;padding:9px 16px}
.dr-strip b{color:var(--sky)}
.dr-strip span{white-space:nowrap;margin:0 10px;display:inline-block}
@media(max-width:580px){.dr-strip{font-size:.71rem;line-height:1.55}.dr-strip span{white-space:normal;margin:0 6px}}

.dr-nav{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.95);backdrop-filter:blur(9px);
  border-bottom:1px solid var(--line)}
.dr-nav .dr-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 22px}
.dr-logo{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.28rem;color:var(--navy);
  white-space:nowrap;letter-spacing:-.01em}
.dr-logo em{font-style:normal;color:var(--sky)}
.dr-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.dr-links a:not(.dr-btn){font-size:.9rem;font-weight:600;color:var(--ink);opacity:.82;font-family:'Roboto',sans-serif}
.dr-links a:not(.dr-btn):hover{opacity:1;color:var(--navy)}
.dr-links .dr-btn{color:var(--navy-dk);opacity:1;padding:11px 22px}
.dr-toggle{display:none;background:none;border:none;color:var(--navy);font-size:1.5rem;cursor:pointer}
@media(max-width:1040px){
  .dr-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;border-top:1px solid var(--line);display:none;max-height:76vh;overflow:auto}
  .dr-links.open{display:flex}
  .dr-links li{border-bottom:1px solid var(--line)}
  .dr-links a{display:block;padding:15px 22px}
  .dr-links .dr-btn{margin:14px 22px;width:calc(100% - 44px);text-align:center}
  .dr-toggle{display:block}
}

/* ---------- HERO ---------- */
.dr-hero{position:relative;background:radial-gradient(ellipse 900px 500px at 15% -10%,#1C2E52 0%,transparent 60%),
  linear-gradient(160deg,var(--navy) 0%,var(--navy-dk) 100%);color:#C9D6EC;padding:54px 0 0;overflow:hidden}
.dr-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;padding-bottom:44px}
.dr-hero h1{color:#fff}
.dr-hero h1 em{font-style:normal;color:var(--sky)}
.dr-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Roboto',sans-serif;font-size:.72rem;
  font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--navy-dk);
  background:var(--sky);padding:7px 16px;margin-bottom:16px;border-radius:6px}
.dr-hook{font-size:1.14rem;color:#fff;font-weight:600;max-width:33em;margin-bottom:12px}
.dr-hook b{color:var(--sky)}
.dr-hero-sub{font-size:.98rem;color:#93A4C4;max-width:36em}
.dr-hero-shot{text-align:center;background:radial-gradient(circle,rgba(122,167,229,.14) 0%,transparent 70%);
  border-radius:24px;padding:20px}
.dr-hero-shot img{max-width:min(380px,100%);margin:0 auto;filter:drop-shadow(0 26px 40px rgba(0,0,0,.35))}
.dr-hero-btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:16px}

@media(max-width:900px){
  .dr-hero-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .dr-hero-copy{display:contents}
  .dr-hero-shot{order:1}
  .dr-hero-head{order:2}
  .dr-hero-rest{order:3}
  .dr-hero-shot img{max-width:min(260px,80%)}
}

/* ---------- sections ---------- */
.dr-sec{padding:70px 0}
.dr-sec-mist{background:var(--mist)}
.dr-sec-dark{background:var(--navy-dk);color:#B9C9E3}
.dr-sec-dark h2,.dr-sec-dark h3,.dr-sec-dark h4{color:#fff}
.dr-head{max-width:760px;margin:0 auto 42px;text-align:center}
.dr-head .kick{display:inline-block;font-family:'Roboto',sans-serif;font-size:.72rem;font-weight:800;
  letter-spacing:.15em;text-transform:uppercase;color:var(--navy);margin-bottom:10px}
.dr-sec-dark .dr-head .kick{color:var(--sky)}
.dr-head p{color:var(--slate);margin:0}
.dr-sec-dark .dr-head p{color:#93A4C4}

/* ---------- quick-answer box ---------- */
.dr-qa{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px 26px;
  box-shadow:0 10px 30px rgba(20,35,63,.08);border-left:4px solid var(--sky)}
.dr-qa .tag{display:block;font-family:'Roboto',sans-serif;font-size:.69rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--navy);margin-bottom:9px}
.dr-qa p{margin:0;color:var(--slate)}
.dr-qa p.first{color:var(--ink);font-weight:700;margin-bottom:.6em}

/* ---------- honest-limits caution ---------- */
.dr-caution{background:#FBF3E4;border:2px solid #E7BE8A;border-radius:10px;padding:22px 24px;
  display:flex;gap:14px;align-items:flex-start}
.dr-caution .ic{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:#F0A93C;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.dr-caution h3{color:#8A5A0F;margin:0 0 5px;font-size:1.02rem}
.dr-caution p{margin:0;color:#6B4F26;font-size:.9rem}

/* ---------- SLEEP-POSITION FIT MATRIX — signature layout ---------- */
.dr-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media(max-width:820px){.dr-matrix{grid-template-columns:minmax(0,1fr)}}
.dr-fit{background:#fff;border:2px solid var(--line);border-radius:12px;padding:24px 22px;text-align:center}
.dr-fit.good{border-color:#8FBF8C}
.dr-fit.caution{border-color:#E7BE8A}
.dr-fit-badge{display:inline-flex;align-items:center;gap:6px;font-family:'Roboto',sans-serif;font-weight:800;
  font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 14px;border-radius:999px;margin-bottom:14px}
.dr-fit.good .dr-fit-badge{background:#E7F3E5;color:#2F7A2C}
.dr-fit.caution .dr-fit-badge{background:#FBF0DD;color:#B0730F}
.dr-fit h4{margin:0 0 8px}
.dr-fit p{margin:0;color:var(--slate);font-size:.9rem}

/* ---------- lab spec sheet ---------- */
.dr-specs{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.dr-spec-row{display:grid;grid-template-columns:200px 1fr;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line)}
.dr-spec-row:last-child{border-bottom:none}
.dr-spec-row:nth-child(odd){background:var(--mist)}
.dr-spec-label{font-family:'Roboto',sans-serif;font-weight:700;font-size:.86rem;color:var(--navy)}
.dr-spec-val{color:var(--slate);font-size:.92rem}
@media(max-width:600px){.dr-spec-row{grid-template-columns:1fr}}

/* ---------- breaking-in timeline ---------- */
.dr-timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:820px){.dr-timeline{grid-template-columns:minmax(0,1fr)}}
.dr-tl-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px 22px}
.dr-tl-item .wk{display:inline-block;font-family:'Roboto',sans-serif;font-weight:800;font-size:.74rem;
  letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--navy);padding:4px 12px;
  border-radius:6px;margin-bottom:12px}
.dr-tl-item h4{margin:0 0 6px}
.dr-tl-item p{margin:0;color:var(--slate);font-size:.9rem}

/* ---------- feature cards ---------- */
.dr-feat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(max-width:760px){.dr-feat{grid-template-columns:minmax(0,1fr)}}
.dr-feat article{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 22px;
  border-top:3px solid var(--sky)}
.dr-feat h4{margin:0 0 6px;color:var(--navy)}
.dr-feat p{margin:0;color:var(--slate);font-size:.9rem}

/* ---------- quality badges ---------- */
.dr-quality{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
@media(max-width:820px){.dr-quality{grid-template-columns:repeat(2,minmax(0,1fr))}}
.dr-quality article{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px 16px;text-align:center}
.dr-quality img{max-width:min(100px,100%);margin:0 auto 10px}
.dr-quality h4{margin:0;font-size:.9rem;color:var(--navy)}

/* ---------- reviews ---------- */
.dr-revs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media(max-width:820px){.dr-revs{grid-template-columns:minmax(0,1fr)}}
.dr-rev{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 24px}
.dr-rev-top{display:flex;align-items:center;gap:13px;margin-bottom:12px}
.dr-rev-top img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0}
.dr-rev-name{font-family:'Roboto',sans-serif;font-weight:700;font-size:.94rem;color:var(--navy)}
.dr-rev-loc{font-size:.77rem;color:var(--slate)}
.dr-rev-stars{color:#E7A93C;letter-spacing:2px;font-size:.9rem;margin-bottom:8px}
.dr-rev p{margin:0;color:var(--slate);font-size:.93rem;font-style:italic}

/* ---------- pricing ---------- */
.dr-plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
@media(max-width:940px){.dr-plans{grid-template-columns:minmax(0,1fr);max-width:420px;margin:0 auto}}
.dr-plan{background:#fff;border:2px solid var(--line);border-radius:10px;padding:28px 22px;text-align:center;
  display:flex;flex-direction:column;position:relative}
.dr-plan.top{border-color:var(--sky)}
@media(min-width:941px){.dr-plan.top{transform:translateY(-10px);box-shadow:0 26px 48px rgba(20,35,63,.16)}}
.dr-plan-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--sky);
  color:var(--navy-dk);font-family:'Roboto',sans-serif;font-size:.71rem;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:5px 16px;border-radius:6px;white-space:nowrap}
.dr-plan-tag.alt{background:var(--navy);color:#fff}
.dr-plan img.pk{max-width:min(170px,100%);margin:6px auto 14px}
.dr-plan-ttl{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.4rem;color:var(--navy)}
.dr-plan-sub{font-size:.83rem;color:var(--slate);margin-bottom:14px}
.dr-plan-price{font-family:'Roboto',sans-serif;font-weight:800;font-size:2.3rem;color:var(--navy);line-height:1}
.dr-plan-price small{font-family:'Open Sans',sans-serif;font-size:.8rem;font-weight:600;color:var(--slate)}
.dr-plan-tot{font-weight:700;font-size:.95rem;color:var(--navy);margin:8px 0 4px}
.dr-plan-save{display:inline-block;background:var(--mist);color:var(--navy);font-size:.76rem;font-weight:800;
  border-radius:999px;padding:3px 12px;margin-bottom:12px}
.dr-plan ul{list-style:none;margin:0 0 18px;padding:0;text-align:left;font-size:.87rem;color:var(--slate)}
.dr-plan ul li{position:relative;padding-left:22px;margin-bottom:7px}
.dr-plan ul li::before{content:'\2713';position:absolute;left:0;color:var(--navy);font-weight:800}
.dr-plan .dr-btn{margin-top:auto}
.dr-plan .cards{max-width:min(160px,100%);margin:13px auto 0;opacity:.6}

/* ---------- safety / notes ---------- */
.dr-note{background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:20px 22px;font-size:.92rem;color:var(--slate)}
.dr-note b{color:var(--navy)}
.dr-note a{color:var(--navy);text-decoration:underline;text-underline-offset:2px}
.dr-safety{background:#fff;border:1px solid #E7C9A8;border-left:5px solid #C9631A;border-radius:10px;padding:28px 30px}
.dr-safety h3{color:#B0501E;display:flex;align-items:center;gap:10px}
.dr-safety p{color:var(--slate)}
.dr-safety ul{margin:0;padding-left:20px;color:var(--slate);font-size:.94rem}
.dr-safety li{margin-bottom:8px}
.dr-safety b{color:#B0501E}
.dr-safety a{color:var(--navy);text-decoration:underline;text-underline-offset:2px}

/* ---------- guarantee ---------- */
.dr-guar{display:grid;grid-template-columns:auto minmax(0,1fr);gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:36px}
@media(max-width:760px){.dr-guar{grid-template-columns:minmax(0,1fr);gap:22px;text-align:center;padding:28px 22px}}
.dr-guar img{max-width:min(160px,100%);margin:0 auto}
.dr-guar p{color:var(--slate)}
.dr-guar a{color:var(--navy);text-decoration:underline;text-underline-offset:2px}

/* ---------- faq ---------- */
.dr-faq{border-top:1px solid var(--line)}
.dr-faq-row{border-bottom:1px solid var(--line)}
.dr-faq-btn{width:100%;background:none;border:none;text-align:left;cursor:pointer;padding:20px 4px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:'Roboto',sans-serif;font-weight:700;font-size:1.03rem;color:var(--navy)}
.dr-faq-btn::after{content:'+';font-size:1.4rem;color:var(--navy);flex-shrink:0;transition:transform .2s}
.dr-faq-row.on .dr-faq-btn::after{transform:rotate(45deg)}
.dr-faq-body{max-height:0;overflow:hidden;transition:max-height .28s ease}
.dr-faq-body p{padding:0 4px 20px;margin:0;color:var(--slate);font-size:.94rem}

/* ---------- references ---------- */
.dr-refs{list-style:none;margin:0;padding:0}
.dr-refs li{padding:11px 0;border-bottom:1px solid var(--line);font-size:.91rem;color:var(--slate)}
.dr-refs a{color:var(--navy);font-weight:600;text-decoration:underline;text-underline-offset:2px}

/* ---------- final cta ---------- */
.dr-final{background:linear-gradient(150deg,var(--navy) 0%,var(--navy-dk) 100%);border-radius:14px;
  padding:52px 30px;text-align:center;color:#fff}
.dr-final h2{color:#fff}
.dr-final p{color:#93A4C4;max-width:40em;margin:0 auto}
.dr-final img{max-width:min(260px,100%);margin:20px auto}
.dr-final .price{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.9rem;color:var(--sky);margin:6px 0 20px}
.dr-final .sm{font-size:.84rem;color:#7387AC;margin-top:16px}

/* ---------- breadcrumb ---------- */
.dr-crumb{font-size:.81rem;color:var(--slate);padding:16px 0 0}
.dr-crumb a{color:var(--navy);font-weight:600}
.dr-crumb i{font-style:normal;margin:0 7px;opacity:.5}

/* ---------- related ---------- */
.dr-rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:760px){.dr-rel{grid-template-columns:minmax(0,1fr)}}
.dr-rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;padding:19px 20px;transition:.18s}
.dr-rel a:hover{border-color:var(--sky);transform:translateY(-2px)}
.dr-rel b{display:block;font-family:'Roboto',sans-serif;font-size:.96rem;color:var(--navy);margin-bottom:5px}
.dr-rel span{font-size:.84rem;color:var(--slate)}

/* ---------- article ---------- */
.dr-article h2{margin-top:1.6em}
.dr-article h3{margin-top:1.4em}
.dr-article p{color:var(--slate)}
.dr-article a{color:var(--navy);text-decoration:underline;text-underline-offset:2px}
.dr-article ul{color:var(--slate)}
.dr-article li{margin-bottom:8px}
.dr-meta{font-size:.86rem;color:var(--slate);margin-bottom:24px}
.dr-meta a{color:var(--navy);font-weight:600}

/* ---------- footer ---------- */
.dr-foot{background:#0A1220;color:#8496B8;padding:50px 0 34px;font-size:.87rem}
.dr-foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:26px}
@media(max-width:820px){.dr-foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.dr-foot-grid{grid-template-columns:1fr}}
.dr-foot h4{font-family:'Roboto',sans-serif;color:#D9E6F7;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px}
.dr-foot ul{list-style:none;margin:0;padding:0}
.dr-foot li{margin-bottom:9px}
.dr-foot a{color:#A9BAD8}
.dr-foot a:hover{color:var(--sky)}
.dr-foot-brand p{color:#5E708F;font-size:.85rem;line-height:1.6;margin:10px 0 0}
.dr-foot-logo{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.28rem;color:#fff}
.dr-foot-logo em{font-style:normal;color:var(--sky)}
.dr-foot hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:22px 0}
.dr-foot-legal{font-size:.83rem;color:#5E708F;line-height:1.7}
.dr-foot-legal b{color:#A9BAD8}
.dr-foot .cr{text-align:center;margin-top:22px;font-size:.83rem;opacity:.8}

/* ---------- sticky mobile bar ---------- */
.dr-sticky{position:fixed;left:0;right:0;bottom:0;z-index:950;background:var(--navy-dk);border-top:2px solid var(--sky);
  padding:9px 15px;display:none;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -6px 22px rgba(0,0,0,.3)}
.dr-sticky .t{min-width:0;line-height:1.24;color:#fff}
.dr-sticky .t b{display:block;font-family:'Roboto',sans-serif;font-size:.9rem;color:var(--sky)}
.dr-sticky .t small{color:#B9C9E3;font-size:.7rem}
.dr-sticky .dr-btn{padding:10px 17px;font-size:.84rem;flex-shrink:0}
@media(max-width:900px){.dr-sticky{display:flex}body{padding-bottom:68px}}