/* Derila Ergo — landing page styles
   Fixed light ecommerce theme (no auto dark mode) for consistent Meta-campaign rendering. */
@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Public+Sans:wght@400;500;600;700;800&display=swap');
/* Cormorant SC (award-mark ornament) dropped in the bridge redesign — that
   element and its unsupported "#1" claim were removed; one fewer font family
   to fetch. */

:root{
  --bg:#FFFFFF;
  --bg-alt:#EEF5FC;
  --surface:#FFFFFF;
  --ink:#16233D;
  --ink-soft:#5B6A82;
  --line:#DCE7F4;
  --accent:#3868C4;
  --accent-deep:#122A57;
  --accent-tint:#E7F0FD;
  --gold:#A9895E;
  --shadow: 0 24px 48px -26px rgba(18,42,87,0.28);
  color-scheme: light;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Public Sans', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
h1,h2,h3{
  font-family:'Instrument Serif', Georgia, serif;
  font-weight:400;
  line-height:1.08;
  letter-spacing:normal;
  text-wrap:balance;
  margin:0;
  color:var(--ink);
}
em{font-style:italic;color:var(--accent);}
p{margin:0;color:var(--ink-soft);line-height:1.6;}
a{color:inherit;}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
.eyebrow{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'Public Sans',sans-serif;
  font-weight:700;
  font-size:15px;
  padding:15px 28px;
  border-radius:100px;
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px;}
.btn-primary{
  background:var(--accent-deep);
  color:#FFFFFF;
  box-shadow:var(--shadow);
}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--accent);}
.cta-row-center{display:flex;justify-content:center;margin-top:8px;}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;max-width:1180px;margin:0 auto;
  gap:16px;
}
.logo{
  font-family:'Instrument Serif',serif;
  font-weight:400;
  font-size:24px;letter-spacing:normal;
  text-decoration:none;color:var(--ink);
  white-space:nowrap;
}
.logo em{color:var(--accent);}
nav.links{display:flex;gap:26px;font-size:14.5px;font-weight:600;}
nav.links a{text-decoration:none;color:var(--ink-soft);}
nav.links a:hover{color:var(--ink);}
@media (max-width:860px){ nav.links{display:none;} }
#navCta{font-size:14px;padding:12px 20px;white-space:nowrap;}

/* ---------- AWARD MARK ("America's #1 Pillow") ---------- */
.award-mark{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  margin:0 0 36px;
}
.award-mark .am-row{display:flex;align-items:center;justify-content:center;gap:20px;}
.award-mark svg{color:var(--gold);flex:none;}
.award-mark .am-right{transform:scaleX(-1);}
.award-mark .am-cap-bottom{transform:scaleY(-1);}
.award-mark .am-petal{fill:#C99A93;opacity:.9;}
.award-mark .am-text{
  font-family:'Cormorant SC',serif;font-style:normal;font-weight:700;
  font-size:34px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent-deep);white-space:nowrap;text-align:center;
  text-shadow:0 1px 0 rgba(255,255,255,.6);
}
.award-mark .am-text strong{color:var(--accent);font-weight:700;}
@media (max-width:520px){
  .award-mark{gap:0;margin-bottom:24px;}
  .award-mark .am-row{gap:8px;}
  .award-mark svg{width:30px;height:18px;}
  .award-mark .am-cap{width:22px;height:15px;}
  .award-mark .am-text{font-size:19px;letter-spacing:.06em;}
}

/* ---------- HERO ---------- */
.hero{padding:44px 0 56px;overflow:hidden;background:linear-gradient(180deg,#FFFFFF 0%, var(--bg-alt) 100%);}
.hero-grid{
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr;gap:32px;} }
/* Layout trial: text on top, image below — toggled via .stack on .hero-grid */
.hero-grid.stack{grid-template-columns:1fr;gap:36px;max-width:760px;margin:0 auto;}
.hero-grid.stack .hero-copy{text-align:center;}
.hero-grid.stack .hero-copy .lead{margin-left:auto;margin-right:auto;}
.hero-grid.stack .hero-cta-row{justify-content:center;}
.hero-grid.stack .hero-facts{align-items:center;}
.hero-grid.stack .hero-facts li{max-width:44ch;}
.hero h1{font-size:clamp(36px,5.2vw,60px);}
.hero-copy p.lead{font-size:17.5px;margin-top:16px;max-width:48ch;color:var(--ink-soft);}
.hero-cta-row{display:flex;align-items:center;gap:16px;margin-top:26px;flex-wrap:wrap;}
.hero-facts{list-style:none;margin:26px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;}
.hero-facts li{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);align-items:flex-start;}
.hero-facts svg{flex:none;margin-top:2px;color:var(--accent);}

.hero-art{position:relative;display:flex;flex-direction:column;align-items:center;}
.hero-blob{
  position:absolute;inset:-14% -10%;
  background:radial-gradient(closest-side, var(--accent-tint) 0%, rgba(231,240,253,0) 72%);
  z-index:0;
}
.hero-art a{position:relative;z-index:1;display:block;max-width:460px;width:100%;border-radius:24px;}
.hero-art a:focus-visible{outline:3px solid var(--accent);outline-offset:4px;}
.hero-art img{
  width:100%;
  filter:drop-shadow(0 30px 40px rgba(18,42,87,.22));
  transition:transform .25s ease;
}
.hero-art a:hover img{transform:scale(1.02);}

/* Crossfade product animation — mirrors the vendor page's own frame sequence */
.hero-anim{aspect-ratio:1000/536;overflow:hidden;}
.hero-anim-frame{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  opacity:0;transition:opacity 1s cubic-bezier(.4,0,.2,1);
}
.hero-anim-frame.is-active{opacity:1;}
@media (prefers-reduced-motion: reduce){
  .hero-anim-frame{transition:none;}
}
@media (max-width:520px){ .hero-art a{max-width:340px;} }

.hero-callout{
  position:relative;z-index:1;margin:-6px auto 0;max-width:420px;
  background:var(--surface);border:1px solid var(--line);border-radius:20px;
  padding:18px 22px 20px;box-shadow:var(--shadow);text-align:center;
}
.hero-callout h3{font-size:19px;margin-bottom:10px;}
.hero-callout-list{
  list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;
  justify-content:center;gap:8px 18px;
}
.hero-callout-list li{
  display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-soft);
  white-space:nowrap;
}
.hero-callout-list svg{flex:none;color:var(--accent);}
@media (max-width:520px){
  .hero-callout{padding:15px 16px 17px;}
  .hero-callout h3{font-size:17px;}
  .hero-callout-list{gap:6px 12px;}
  .hero-callout-list li{font-size:12px;white-space:normal;}
}

/* ---------- VISUAL FEATURE STRIP ---------- */
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
@media (max-width:820px){ .feature-strip{grid-template-columns:1fr;} }
.feature-card{display:flex;flex-direction:column;gap:14px;}
.feature-card .fc-img{
  border-radius:22px;overflow:hidden;aspect-ratio:4/3.1;box-shadow:var(--shadow);
}
.feature-card .fc-img img{width:100%;height:100%;object-fit:cover;}
.feature-card h4{font-family:'Public Sans',sans-serif;font-weight:700;font-size:16px;margin:0;}
.feature-card p{font-size:14px;}

/* ---------- ANATOMY VISUAL (large labeled product photo) ---------- */
.anatomy-visual{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:28px;}
.anatomy-visual img{width:100%;display:block;}
.anatomy-support{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
@media (max-width:900px){ .anatomy-support{grid-template-columns:1fr;} }
.anatomy-support .as-img{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);}
.anatomy-support .as-img img{width:100%;display:block;}

/* ---------- GALLERY ("see it from every angle") ---------- */
.gallery{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  grid-template-rows:auto auto;
  gap:20px;
}
@media (max-width:820px){ .gallery{grid-template-columns:1fr;} }
.gallery .g-large{grid-row:1 / 3;}
.gallery figure{margin:0;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);}
.gallery .g-large img{width:100%;height:100%;object-fit:cover;display:block;}
.gallery .g-small{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:520px){ .gallery .g-small{grid-template-columns:1fr;} }
.gallery .g-small figure{aspect-ratio:1/1;}
.gallery .g-small img{width:100%;height:100%;object-fit:cover;display:block;}
.gallery .g-wide{grid-column:1/-1;}
.gallery .g-wide figure{aspect-ratio:16/8;}
.gallery .g-wide img{width:100%;height:100%;object-fit:cover;object-position:top;display:block;}

/* ---------- MATERIAL / DETAIL SECTION ---------- */
.material-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
@media (max-width:900px){ .material-grid{grid-template-columns:1fr;} }
.material-img{border-radius:26px;overflow:hidden;box-shadow:var(--shadow);}
.material-img img{width:100%;display:block;}
.material-list{display:flex;flex-direction:column;gap:22px;}
.material-item{display:flex;gap:14px;}
.material-item h4{font-family:'Public Sans',sans-serif;font-weight:700;font-size:15.5px;margin:0 0 4px;}
.material-item p{font-size:14px;}

/* ---------- FULL-WIDTH LIFESTYLE BREAK ---------- */
.lifestyle-break{position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow);}
.lifestyle-break img{width:100%;display:block;max-height:640px;object-fit:cover;object-position:top;}
.lifestyle-break-cap{
  position:absolute;left:28px;bottom:28px;right:28px;
  color:#FFFFFF;text-shadow:0 2px 16px rgba(0,0,0,.45);
  font-family:'Instrument Serif',serif;font-size:clamp(22px,3vw,32px);
  max-width:26ch;
}
@media (max-width:640px){ .lifestyle-break-cap{left:18px;bottom:18px;right:18px;} }
.visual-caption{text-align:center;font-size:14.5px;color:var(--ink-soft);margin-top:16px;max-width:52ch;margin-left:auto;margin-right:auto;}

/* ---------- SECTION SHELLS ---------- */
section{padding:72px 0;}
@media (max-width:640px){ section{padding:48px 0;} }
.alt{background:var(--bg-alt);}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head h2{font-size:clamp(28px,3.8vw,42px);margin-top:12px;}
.section-head p{margin-top:14px;font-size:16px;}
.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- SPLIT (position demo) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
@media (max-width:900px){ .split{grid-template-columns:1fr;} }
.split.reverse .split-img{order:2;}
@media (max-width:900px){ .split.reverse .split-img{order:-1;} }
.split-img img{border-radius:24px;width:100%;box-shadow:var(--shadow);}
.split-cap{margin-top:12px;font-size:13px;color:var(--ink-soft);}
.split-copy h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:16px;}
.split-copy p{font-size:15.5px;}
.split-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:12px;}
.split-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink);align-items:flex-start;}
.split-list svg{flex:none;margin-top:3px;color:var(--accent);}

/* ---------- POSITION CARDS (side / back / reclined) ---------- */
.position-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:900px){ .position-grid{grid-template-columns:1fr;} }
.position-card{
  background:var(--surface);border:1px solid var(--line);border-radius:24px;
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.position-card .pos-visual{height:260px;background:var(--bg-alt);}
.position-card .pos-visual img{width:100%;height:100%;object-fit:cover;}
.position-card .pos-visual.icon-only{display:flex;align-items:center;justify-content:center;}
.position-card .pos-visual.icon-only svg{color:var(--accent);}
.position-body{padding:22px 24px 26px;}
.position-tag{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:var(--accent);margin-bottom:8px;
}
.position-body h3{font-size:19px;margin-bottom:8px;}
.position-body p{font-size:14.5px;}

/* ---------- ANATOMY / ZONES (why the shape) ---------- */
.anatomy-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
@media (max-width:900px){ .anatomy-grid{grid-template-columns:1fr;} }
.anatomy-img img{width:100%;border-radius:24px;box-shadow:var(--shadow);}
.zone-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:520px){ .zone-grid{grid-template-columns:1fr;} }
.zone-card{
  background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;
}
.zone-icon{
  width:40px;height:40px;border-radius:12px;background:var(--accent-tint);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.zone-card h4{font-family:'Public Sans',sans-serif;font-weight:700;font-size:15.5px;margin:0 0 6px;}
.zone-card p{font-size:13.5px;}

/* ---------- FEATURES (material section) ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
@media (max-width:900px){ .feat-grid{grid-template-columns:repeat(2,1fr);} }
.feat-cell{
  background:var(--surface);border:1px solid var(--line);border-radius:22px;
  padding:28px 24px;box-shadow:var(--shadow);
}
.feat-cell .zone-icon{margin-bottom:16px;}
.feat-cell h4{font-family:'Public Sans',sans-serif;font-size:16px;font-weight:700;margin:0 0 8px;}
.feat-cell p{font-size:13.5px;}

/* ---------- COMPARISON ---------- */
.compare{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:stretch;}
@media (max-width:820px){ .compare{grid-template-columns:1fr;} }
.compare-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:24px;overflow:hidden;display:flex;flex-direction:column;
}
.compare-card.is-derila{border:2px solid var(--accent-deep);box-shadow:var(--shadow);}
.compare-visual{
  height:230px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-alt);
}
.compare-card.is-derila .compare-visual{background:var(--accent-tint);}
.compare-visual img{max-height:84%;max-width:82%;object-fit:contain;}
.compare-visual svg{opacity:.5;color:var(--ink-soft);}
.compare-body{padding:26px 28px 30px;}
.compare-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 13px;border-radius:100px;margin-bottom:12px;
  background:var(--bg-alt);color:var(--ink-soft);
}
.compare-card.is-derila .compare-tag{background:var(--accent-deep);color:#FFFFFF;}
.compare-body h3{font-size:22px;margin-bottom:8px;}
.compare-body ul{margin:14px 0 0;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:9px;}
.compare-body li{font-size:14px;color:var(--ink-soft);display:flex;gap:8px;}
.compare-body li svg{flex:none;margin-top:3px;color:var(--accent);}
.compare-card.is-derila .compare-body li{color:var(--ink);}

/* ---------- VIDEO ---------- */
.video-frame{
  max-width:480px;margin:0 auto;
  background:var(--surface);
  border-radius:32px;
  padding:14px;
  box-shadow:var(--shadow);
  border:1px solid var(--line);
}
.video-shell{
  position:relative;border-radius:22px;overflow:hidden;background:#000;
}
.video-shell video{width:100%;display:block;aspect-ratio:640/928;object-fit:cover;background:#000;}
.video-note{max-width:420px;margin:16px auto 0;text-align:center;font-size:13px;color:var(--ink-soft);}

/* ---------- TRUST ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media (max-width:820px){ .trust-grid{grid-template-columns:1fr;} }
.trust-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;}
.trust-card .zone-icon{margin-bottom:14px;}
.trust-card h4{font-family:'Public Sans',sans-serif;font-weight:700;font-size:16px;margin:0 0 8px;}
.trust-card p{font-size:14px;}

/* ---------- FAQ ---------- */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
details{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 22px;}
summary{
  cursor:pointer;font-weight:700;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:'Public Sans',sans-serif;
}
summary::-webkit-details-marker{display:none;}
summary .plus{color:var(--accent);font-size:22px;font-weight:400;transition:transform .2s ease;flex:none;}
details[open] summary .plus{transform:rotate(45deg);}
details p{margin-top:12px;font-size:14.5px;}

/* ---------- FINAL CTA ---------- */
.final-cta{
  display:grid;grid-template-columns:.85fr 1fr;align-items:center;gap:0;
  background:linear-gradient(155deg, var(--accent-deep) 0%, #1B3A78 100%);
  color:#FFFFFF;
  border-radius:32px;overflow:hidden;
}
@media (max-width:820px){ .final-cta{grid-template-columns:1fr;} }
.final-cta-img{height:100%;min-height:280px;}
.final-cta-img img{width:100%;height:100%;object-fit:cover;display:block;}
@media (max-width:820px){ .final-cta-img{order:-1;min-height:220px;} }
.final-cta-copy{text-align:center;padding:56px 32px;}
.final-cta h2{color:#FFFFFF;font-size:clamp(26px,3.6vw,38px);}
.final-cta p{color:#C9DAF5;max-width:42ch;margin:16px auto 0;font-size:15.5px;}
.final-cta .btn-primary{background:#FFFFFF;color:var(--accent-deep);margin-top:26px;}

/* ---------- FOOTER ---------- */
footer{padding:44px 0 116px;border-top:1px solid var(--line);margin-top:16px;background:var(--bg-alt);}
.footer-grid{display:grid;grid-template-columns:1fr auto;gap:64px;padding-top:44px;align-items:start;}
@media (max-width:760px){ .footer-grid{grid-template-columns:1fr;gap:32px;} }
.footer-brand{font-family:'Instrument Serif',serif;font-weight:400;font-size:22px;margin-bottom:10px;}
.disclosure{font-size:12.5px;color:var(--ink-soft);line-height:1.65;max-width:52ch;}
.footer-col h5{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);margin:0 0 12px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;font-size:14px;}
.footer-col a{text-decoration:none;color:var(--ink);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-soft);}

/* ---------- STICKY MOBILE BAR ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  background:var(--surface);border-top:1px solid var(--line);
  padding:12px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  box-shadow:0 -10px 30px -20px rgba(18,42,87,.35);
  transform:translateY(120%);transition:transform .3s ease;
}
.sticky-bar.show{transform:translateY(0);}
.sticky-bar .name{font-family:'Instrument Serif',serif;font-weight:400;font-size:19px;}

/* ---------- LEGAL PAGES ---------- */
.legal{padding:64px 0 96px;}
.legal h1{font-size:clamp(28px,4.4vw,42px);margin-bottom:8px;}
.legal .updated{font-size:13px;color:var(--ink-soft);margin-bottom:36px;}
.legal h2{font-family:'Public Sans',sans-serif;font-weight:700;font-size:19px;margin:34px 0 10px;color:var(--ink);}
.legal p, .legal li{font-size:15px;max-width:70ch;}
.legal ul{padding-left:20px;display:flex;flex-direction:column;gap:8px;}
.legal .placeholder-note{
  background:var(--accent-tint);border:1px dashed var(--accent);
  border-radius:14px;padding:16px 20px;font-size:13.5px;color:var(--ink);margin-bottom:32px;
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}