/* ==========================================================================
   Derila Ergo Pillow — Shared Stylesheet
   Theme: classic light, cloud-blue palette, warm yellow accent
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600&family=Inter:wght@400;500;600;700;800&family=Caveat:wght@600;700&display=swap');

:root{
  --navy:#0f2742;
  --navy-soft:#274568;
  --blue-deep:#2889f3;
  --blue-light:#c7e4ff;
  --blue-mist:#eef7ff;
  --white:#ffffff;
  --strip:#ffffff;
  --cream:#f7fbff;
  --yellow:#ffc93c;
  --yellow-deep:#f5a623;
  --ink:#1a2b45;
  --ink-soft:#4d6079;
  --line:#dceafc;
  --green:#2f9e5b;
  --red:#d5583f;
  --shadow: 0 20px 45px -20px rgba(15,39,66,.25);
  --radius: 18px;
  --radius-sm: 10px;
  --ff-display:'Playfair Display', Georgia, serif;
  --ff-body:'Inter', -apple-system, Segoe UI, sans-serif;
  --ff-script:'Caveat', cursive;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-body);
  color:var(--ink);
  background:var(--cream);
  line-height:1.65;
  /*overflow-x: hidden;*/
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block; max-height:400px;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--ff-display);color:var(--navy);margin:0 0 .5em;line-height:1.15;}
p{margin:0 0 1em;color:var(--ink-soft);}
.container{max-width:1000px;margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue-deep);font-weight:700;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--blue-deep);display:inline-block;}
section{padding:72px 0;}
.section-alt{background:var(--white);}
.section-blue{background:linear-gradient(180deg,var(--blue-mist),var(--white));}
.center{text-align:center;}
.section-head{max-width:720px;margin:0 auto 44px;}
.section-head.left{margin:0 0 40px;}

/* animations */
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:translateY(0)}}
@keyframes pulseGlow{0%,100%{box-shadow:0 0 0 0 rgba(255,201,60,.55)}50%{box-shadow:0 0 0 14px rgba(255,201,60,0)}}
@keyframes shimmer{0%{background-position:-300px 0}100%{background-position:300px 0}}
@keyframes marquee{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.08s;}
.reveal-delay-2{transition-delay:.16s;}
.reveal-delay-3{transition-delay:.24s;}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal,.reveal.is-visible{opacity:1;transform:none;transition:none;}
  *{animation:none !important;}
}

/* ---------------- Announcement strip ---------------- */
.topbar{
  background:var(--strip);
  border-bottom:1px solid var(--line);
  color:var(--navy-soft);
  font-size:.85rem;
  overflow:hidden;
  white-space:nowrap;
}
.topbar-track{
  display:inline-flex;
  animation:marquee 26s linear infinite;
  padding:9px 0;
}
.topbar-track span{padding:0 40px;font-weight:600;}
.topbar-track span b{color:var(--blue-deep);}

/* ---------------- Header ---------------- */
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:1180px;margin:0 auto;
}
.logo{
  font-family:var(--ff-display);font-weight:800;font-size:1.5rem;color:var(--navy);
  display:flex;align-items:center;gap:10px;
}
.logo img{height:38px;width:38px;border-radius:50%;object-fit:cover;}
nav.main-nav ul{display:flex;gap:30px;list-style:none;}
nav.main-nav a{
  font-weight:600;font-size:.95rem;color:var(--navy-soft);
  position:relative;padding:6px 0;transition:color .25s ease;
}
nav.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--blue-deep);transition:width .3s ease;
}
nav.main-nav a:hover{color:var(--blue-deep);}
nav.main-nav a:hover::after{width:100%;}
.header-cta{
  background:var(--yellow);color:var(--navy);font-weight:800;
  padding:12px 26px;border-radius:50px;font-size:.95rem;
  box-shadow:0 10px 24px -8px rgba(245,166,35,.55);
  transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
  white-space:nowrap;
}
.header-cta:hover{transform:translateY(-3px) scale(1.03);background:var(--yellow-deep);box-shadow:0 16px 30px -8px rgba(245,166,35,.7);}
.menu-toggle{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer;}

@media(max-width:900px){
  nav.main-nav{
    position:fixed;inset:0 0 0 auto;width:78%;max-width:320px;height:100vh;
    background:var(--white);box-shadow:-10px 0 30px rgba(0,0,0,.12);
    transform:translateY(-120%);opacity: 0;transition:transform .35s ease;padding:90px 30px;
  }
  nav.main-nav.open{transform:translateY(0); opacity: 1;}
  nav.main-nav ul{flex-direction:column;gap:22px;}
  .menu-toggle{display:block; z-index: 1}
  .header-cta{padding:10px 18px;font-size:.85rem;}
}

/* ---------------- Buttons ---------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:17px 38px;border-radius:50px;font-weight:800;font-size:1.02rem;
  cursor:pointer;border:none;transition:transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.btn-primary{
  background:var(--yellow);color:var(--navy);
  box-shadow:0 14px 30px -10px rgba(245,166,35,.6);
  animation:pulseGlow 2.6s ease-in-out infinite;
}
.btn-primary:hover{transform:translateY(-4px) scale(1.035);background:var(--yellow-deep);}
.btn-outline{
  background:transparent;color:var(--blue-deep);border:2px solid var(--blue-deep);
}
.btn-outline:hover{background:var(--blue-deep);color:var(--white);transform:translateY(-3px);}

/* ---------------- Intro / Hero ---------------- */
.hero{
  padding:56px 0 70px;
  background:
    radial-gradient(circle at 85% 10%, var(--blue-light) 0%, transparent 55%),
    radial-gradient(circle at 5% 90%, var(--blue-mist) 0%, transparent 45%),
    var(--cream);
  position:relative;overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.hero-media{position:relative;}
.hero-media .ring{
  position:absolute;inset:-24px;border-radius:50%;
  background:conic-gradient(from 0deg, var(--blue-light), var(--white), var(--blue-light));
  opacity:.6;filter:blur(6px);animation:floaty 6s ease-in-out infinite;
  z-index:0;
}
.hero-media img{
  position:relative;z-index:1;border-radius:26px;box-shadow:var(--shadow);
  animation:floaty 6s ease-in-out infinite;
}
.hero-badge{
  position:absolute;z-index:2;bottom:18px;left:18px;
  background:var(--white);padding:12px 18px;border-radius:14px;box-shadow:var(--shadow);
  font-weight:700;font-size:.85rem;color:var(--navy);display:flex;align-items:center;gap:8px;
}
.hero-badge::before{content:"✓";width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-size:.75rem;}

.offer-line{
  font-family:var(--ff-script);font-size:1.7rem;color:var(--red);
  display:inline-block;margin-bottom:2px;position:relative;
}
.offer-line::after{content:"⏳";margin-left:8px;}
.save-line{
  font-weight:800;color:var(--green);font-size:1.05rem;margin-bottom:18px;
  display:flex;align-items:center;gap:8px;
}
.save-line::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--green);animation:pulseGlow 2s infinite;}
.hero h1{font-size:clamp(2.1rem,4vw,3.1rem);}
.hero h2{
  font-family:var(--ff-body);font-weight:600;color:var(--navy-soft);
  font-size:1.2rem;margin-bottom:20px;
}
.order-note{
  margin-top:16px;font-size:.9rem;color:var(--ink-soft);font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.order-note::before{content:"👥";}
.hero-stars{color:var(--yellow-deep);font-size:1.1rem;margin-bottom:10px;letter-spacing:2px;}

/* ---------------- Quick overview ---------------- */
.overview-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.overview-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:26px 20px;text-align:center;transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.overview-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--blue-light);}
.overview-card .ic{font-size:1.9rem;margin-bottom:10px;display:block;}
.overview-card h4{font-size:1rem;margin-bottom:6px;}
.overview-card p{font-size:.88rem;margin:0;}

/* ---------------- Feature / stand-out ---------------- */
.stands-out{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature-list{list-style:none;}
.feature-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line);
}
.feature-list li:last-child{border-bottom:none;}
.feature-num{
  flex:none;width:44px;height:44px;border-radius:50%;
  background:var(--blue-light);color:var(--blue-deep);font-weight:800;
  display:flex;align-items:center;justify-content:center;font-family:var(--ff-display);
}
.feature-list h4{margin-bottom:4px;font-size:1.05rem;}
.feature-list p{margin:0;font-size:.94rem;}

/* ---------------- Benefit cards ---------------- */
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.benefit-card{
  background:var(--white);border-radius:var(--radius);padding:32px 26px;
  border:1px solid var(--line);transition:transform .3s ease,box-shadow .3s ease;
  position:relative;overflow:hidden;
}
.benefit-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--blue-deep),var(--yellow));
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.benefit-card:hover{transform:translateY(-10px);box-shadow:var(--shadow);}
.benefit-card:hover::before{transform:scaleX(1);}
.benefit-card .ic{
  width:52px;height:52px;border-radius:14px;background:var(--blue-mist);
  display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px;
}
.benefit-card h3{font-size:1.12rem;}
.benefit-card p{font-size:.94rem;margin:0;}

/* ---------------- Materials / construction ---------------- */
.materials-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.material-item{
  display:flex;gap:18px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:22px;transition:box-shadow .3s ease, transform .3s ease;
}
.material-item:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.material-swatch{
  flex:none;width:54px;height:54px;border-radius:12px;
  background:linear-gradient(145deg,var(--blue-light),var(--blue-deep));
}
.material-item h4{font-size:1rem;margin-bottom:4px;}
.material-item p{font-size:.9rem;margin:0;}

/* ---------------- Pros & Cons ---------------- */
.pc-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.pc-card{border-radius:var(--radius);padding:32px;border:1px solid var(--line);background:var(--white);}
.pc-card.pros{border-top:5px solid var(--green);}
.pc-card.cons{border-top:5px solid var(--red);}
.pc-card h3{display:flex;align-items:center;gap:10px;}
.pc-card ul{list-style:none;}
.pc-card li{display:flex;gap:10px;padding:10px 0;font-size:.95rem;color:var(--ink-soft);border-bottom:1px solid var(--blue-mist);}
.pc-card li:last-child{border-bottom:none;}
.pc-card.pros li::before{content:"✔";color:var(--green);font-weight:800;}
.pc-card.cons li::before{content:"✕";color:var(--red);font-weight:800;}

/* ---------------- Comparison table ---------------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow);}
table.compare, table.price-table{
  width:100%;border-collapse:collapse;background:var(--white);min-width:640px;
}
table.compare th, table.compare td, table.price-table th, table.price-table td{
  padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.94rem;
}
table.compare thead th{
  background:var(--navy);color:var(--white);font-family:var(--ff-display);font-weight:700;
}
table.compare tbody tr:hover{background:var(--blue-mist);}
table.compare td.highlight, table.compare th.highlight{background:var(--blue-mist);font-weight:700;}
table.price-table thead th{background:var(--blue-deep);color:#fff;}
table.price-table tbody tr:nth-child(odd){background:var(--cream);}
table.price-table tbody tr:hover{background:var(--blue-mist);}
.tick{color:var(--green);font-weight:800;}
.cross{color:var(--red);font-weight:800;}

/* ---------------- Pricing image section ---------------- */
.pricing-wrap{text-align:center;}
.pricing-img-link{
  display:inline-block;position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .3s ease;
}
.pricing-img-link:hover{transform:translateY(-6px) scale(1.01);}
.pricing-img-link::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 60%, rgba(15,39,66,.18));
  opacity:0;transition:opacity .3s ease;
}
.pricing-img-link:hover::after{opacity:1;}

/* ---------------- Reviews ---------------- */
.review-summary-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:40px;box-shadow:var(--shadow);
}
.review-score{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:22px;}
.review-score .num{font-family:var(--ff-display);font-size:3.2rem;color:var(--navy);}
.review-stars{color:var(--yellow-deep);font-size:1.3rem;letter-spacing:3px;}
.review-bars{display:grid;gap:8px;margin-top:18px;}
.review-bar-row{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--ink-soft);}
.review-bar{flex:1;height:8px;background:var(--blue-mist);border-radius:6px;overflow:hidden;}
.review-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--blue-deep),var(--yellow));}
.review-themes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px;}
.review-theme{background:var(--blue-mist);border-radius:var(--radius-sm);padding:18px;font-size:.9rem;}
.review-theme b{display:block;color:var(--navy);margin-bottom:4px;font-family:var(--ff-display);}

/* ---------------- Guarantee ---------------- */
.guarantee{
  display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;
  background:var(--white);border-radius:var(--radius);padding:50px;box-shadow:var(--shadow);
}
.guarantee img{border-radius:var(--radius-sm);}

/* ---------------- Care checklist ---------------- */
.care-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.care-item{
  background:var(--blue-mist);border-left:4px solid var(--blue-deep);border-radius:10px;
  padding:20px 22px;font-size:.94rem;transition:background .3s ease,transform .3s ease;
}
.care-item:hover{background:var(--white);box-shadow:var(--shadow);transform:translateX(4px);}
.care-item h4{margin-bottom:6px;font-size:1rem;}

/* ---------------- FAQ ---------------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;background:var(--white);overflow:hidden;}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 24px;cursor:pointer;font-weight:700;color:var(--navy);
}
.faq-q .plus{transition:transform .3s ease;font-size:1.4rem;color:var(--blue-deep);flex:none;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;}
.faq-a p{padding-bottom:20px;font-size:.95rem;}
.faq-item.open .faq-a{max-height:400px;}

/* ---------------- Final CTA ---------------- */
.final-cta{
  background:linear-gradient(135deg,var(--navy),var(--blue-deep));
  color:#fff;text-align:center;border-radius:var(--radius);padding:60px 30px;
}
.final-cta h2{color:#fff;}
.final-cta p{color:#dcecff;}

/* ---------------- Footer ---------------- */
footer.site-footer{background:var(--navy);color:#c9d9ee;padding:56px 0 30px;font-size:.88rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:36px;}
.footer-grid h4{color:#fff;font-family:var(--ff-display);margin-bottom:14px;}
.footer-grid ul{list-style:none;display:grid;gap:10px;}
.footer-grid a{color:#c9d9ee;transition:color .25s ease;}
.footer-grid a:hover{color:var(--yellow);}
.fda-box{
  border-top:1px solid rgba(255,255,255,.15);padding-top:26px;font-size:.8rem;color:#9fb4d1;line-height:1.7;
}

/* ---------------- Back to top ---------------- */
#backToTop{
  position:fixed;right:22px;bottom:22px;width:50px;height:50px;border-radius:50%;
  background:var(--blue-deep);color:#fff;border:none;font-size:1.3rem;cursor:pointer;
  display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;
  transform:translateY(16px);transition:all .3s ease;box-shadow:var(--shadow);z-index:70;
}
#backToTop.show{opacity:1;visibility:visible;transform:translateY(0);}
#backToTop:hover{background:var(--navy);transform:translateY(-4px);}

/* ---------------- Legal / article pages ---------------- */
.legal-page, .article-page{padding:60px 0 90px;}
.legal-page h1, .article-page h1{font-size:2.2rem;}
.legal-page h2, .article-page h2{font-size:1.4rem;margin-top:34px;}
.legal-page p, .article-page p{color:var(--ink-soft);}
.legal-page .updated, .article-meta{color:var(--blue-deep);font-weight:700;font-size:.85rem;margin-bottom:24px;display:block;}
.article-hero-img{border-radius:var(--radius);box-shadow:var(--shadow);margin:24px 0 34px;}
.article-page ul{padding-left:22px;margin-bottom:18px;}
.article-page li{color:var(--ink-soft);margin-bottom:8px;}
.article-page blockquote{
  border-left:4px solid var(--blue-deep);background:var(--blue-mist);
  padding:18px 22px;border-radius:0 10px 10px 0;margin:24px 0;font-style:italic;color:var(--navy-soft);
}
.toc{background:var(--blue-mist);border-radius:var(--radius-sm);padding:22px 26px;margin-bottom:30px;}
.toc h4{margin-bottom:10px;font-size:1rem;}
.toc ul{list-style:none;display:grid;gap:8px;}
.toc a{color:var(--blue-deep);font-weight:600;font-size:.92rem;}
.toc a:hover{text-decoration:underline;}
.article-cta{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;text-align:center;margin:36px 0;box-shadow:var(--shadow);
}

/* ---------------- Responsive ---------------- */
@media(max-width:960px){
  .hero-grid, .stands-out, .guarantee{grid-template-columns:1fr;}
  .hero-media{order:-1;}
  .overview-grid{grid-template-columns:repeat(2,1fr);}
  .benefit-grid{grid-template-columns:repeat(2,1fr);}
  .pc-grid{grid-template-columns:1fr;}
  .materials-grid, .care-list{grid-template-columns:1fr;}
  .review-themes{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .overview-grid, .benefit-grid{grid-template-columns:1fr;}
  section{padding:52px 0;}
  .guarantee{padding:30px;}
}