:root{
  --white:#FFFFFF;
  --gray-bg:#F5F5F7;
  --ink:#1D1D1F;
  --ink-2:#6E6E73;
  --ink-3:#86868B;
  --divider:#D2D2D7;
  --blue:#0066CC;
  --blue-dark:#004C99;
  --red:#C5423A;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:inherit;-webkit-tap-highlight-color:transparent;}
html{scroll-padding-top:64px;}
html,body{margin:0;padding:0;}
body{
  background:var(--white);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Helvetica Neue",Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
  line-height:1.47059;
}
img{max-width:100%;display:block;}
button{font-family:inherit;}
a{text-decoration:none;color:inherit;}

/* ---------------- Nav ---------------- */
.navbar{
  position:sticky;top:0;top:env(safe-area-inset-top,0px);
  z-index:60;
  background:rgba(255,255,255,0.8);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,0.06);
  height:44px;
}
.navbar-inner{
  max-width:1024px;margin:0 auto;height:44px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 22px;
}
.nav-brand{
  font-size:14px;font-weight:600;letter-spacing:-0.01em;color:var(--ink);
  display:flex;align-items:center;gap:6px;
}
.nav-brand .glyph{width:16px;height:16px;flex-shrink:0;}
.nav-links{display:flex;gap:34px;font-size:12px;color:var(--ink);}
.nav-links a{color:rgba(29,29,31,0.88);}
.nav-links a:hover{color:var(--ink);}
.nav-cta{font-size:12px;color:rgba(29,29,31,0.88);}

/* ---------------- Hero ---------------- */
.hero{
  text-align:center;
  padding:56px 22px 0;
  background:linear-gradient(180deg,#FBFBFD 0%,#FFFFFF 60%);
}
.hero .eyebrow{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:6px;letter-spacing:0.01em;}
.hero h1{
  font-size:clamp(40px,7vw,64px);
  font-weight:600;letter-spacing:-0.015em;line-height:1.05;
  margin:0 0 14px;color:var(--ink);
}
.hero .sub{
  font-size:clamp(19px,2.4vw,24px);color:var(--ink-2);font-weight:400;
  max-width:640px;margin:0 auto 8px;
}
.hero .links{display:flex;gap:28px;justify-content:center;margin:20px 0 0;font-size:19px;}
.hero .links a{color:var(--blue);}
.hero .links a:hover{text-decoration:underline;}

.stage-wrap{max-width:760px;margin:22px auto 0;position:relative;}
.stage{position:relative;display:flex;align-items:center;justify-content:center;padding:20px 20px 46px;}
.stage img{
  max-height:min(50vh,460px);width:auto;margin:0 auto;
  filter:drop-shadow(0 30px 40px rgba(0,0,0,0.14));
  transition:opacity .25s ease;
}
.stage.swapping img{opacity:0;}

.colorway-row{display:flex;justify-content:center;gap:14px;margin:6px 0 26px;}
.colorway{
  width:26px;height:26px;border-radius:50%;border:none;cursor:pointer;
  position:relative;padding:0;box-shadow:inset 0 0 0 1px rgba(0,0,0,0.08);
}
.colorway[data-color="white"]{background:#F5F5F5;}
.colorway[data-color="pink"]{background:#F0C6CC;}
.colorway[aria-pressed="true"]::after{
  content:"";position:absolute;inset:-5px;border-radius:50%;border:2px solid var(--ink);
}
.colorway-label{text-align:center;font-size:13px;color:var(--ink-2);margin:-14px 0 30px;}

.hero-buy{max-width:420px;margin:0 auto;padding-bottom:52px;}
.hero-price{font-size:21px;font-weight:600;color:var(--ink);margin-bottom:4px;}
.hero-price .was{font-weight:400;color:var(--ink-3);text-decoration:line-through;font-size:15px;margin-left:8px;}
.hero-offer-note{font-size:12px;color:var(--ink-3);margin-bottom:20px;}
.hero-offer-note b{color:var(--red);font-weight:600;font-variant-numeric:tabular-nums;}
.btn-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;border-radius:980px;font-size:15px;font-weight:400;
  cursor:pointer;border:1px solid transparent;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
  min-width:150px;
}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);}
.btn-ghost{background:transparent;border-color:var(--blue);color:var(--blue);}
.btn-ghost:hover{background:rgba(0,102,204,0.08);}

/* ---------------- Sticky buy bar ---------------- */
.buybar{
  position:fixed;top:-64px;left:0;right:0;height:64px;z-index:70;
  background:rgba(255,255,255,0.85);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,0.08);
  transition:top .3s ease;
}
.buybar.show{top:env(safe-area-inset-top,0px);}
.buybar-inner{
  max-width:1024px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:16px;
}
.buybar-left{display:flex;align-items:center;gap:12px;min-width:0;}
.buybar-left img{width:34px;height:34px;object-fit:contain;flex-shrink:0;}
.buybar-name{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.buybar-price{font-size:13px;color:var(--ink-2);white-space:nowrap;}
.buybar .btn{padding:9px 20px;font-size:14px;min-width:auto;}

/* ---------------- Sections ---------------- */
section{padding:0;}
.section-inner{max-width:1024px;margin:0 auto;padding:100px 22px;}
.section-alt{background:var(--gray-bg);}
.section-alt .section-inner{padding:100px 22px;}

.center-head{text-align:center;max-width:680px;margin:0 auto 56px;}
.center-head h2{
  font-size:clamp(32px,4.6vw,48px);font-weight:600;letter-spacing:-0.015em;
  line-height:1.08;margin:0 0 14px;color:var(--ink);
}
.center-head p{font-size:19px;color:var(--ink-2);margin:0;}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;}
.feature{text-align:center;padding:0 18px;border-left:1px solid var(--divider);}
.feature:first-child{border-left:none;}
.feature .icon{width:44px;height:44px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;}
.feature h3{font-size:19px;font-weight:600;margin:0 0 8px;letter-spacing:-0.01em;}
.feature p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.5;}

/* Two column finish compare */
.finish-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:18px;overflow:hidden;}
.finish-card{background:var(--white);padding:48px 34px;text-align:center;border-right:1px solid var(--divider);}
.finish-card:last-child{border-right:none;}
.finish-card img{max-height:220px;margin:0 auto 26px;filter:drop-shadow(0 16px 20px rgba(0,0,0,0.1));}
.finish-card h3{font-size:21px;font-weight:600;margin:0 0 6px;}
.finish-card .fc-price{font-size:17px;color:var(--ink);margin-bottom:2px;}
.finish-card .fc-was{font-size:13px;color:var(--ink-3);text-decoration:line-through;margin-left:6px;}
.finish-card p.fc-desc{font-size:14px;color:var(--ink-2);max-width:30ch;margin:10px auto 0;}

/* Specs list */
.specs{display:grid;grid-template-columns:1fr 1fr;gap:0 60px;}
.specs dl{margin:0;}
.specs .row{
  display:flex;justify-content:space-between;gap:24px;
  padding:16px 0;border-bottom:1px solid var(--divider);font-size:15px;
}
.specs .row dt{color:var(--ink-2);}
.specs .row dd{margin:0;color:var(--ink);font-weight:500;text-align:right;}

/* Final CTA */
.final-cta{text-align:center;}
.final-cta .price-big{font-size:clamp(36px,5vw,52px);font-weight:600;letter-spacing:-0.02em;margin-bottom:6px;}
.final-cta .price-big .was{font-size:22px;font-weight:400;color:var(--ink-3);text-decoration:line-through;margin-left:10px;}
.final-cta .offer-fine{font-size:13px;color:var(--ink-3);margin-bottom:30px;}
.final-cta .offer-fine b{color:var(--red);font-variant-numeric:tabular-nums;font-weight:600;}

/* Footer */
footer{background:var(--gray-bg);border-top:1px solid var(--divider);}
.footer-inner{max-width:1024px;margin:0 auto;padding:32px 22px 40px;}
.footer-legal{font-size:12px;color:var(--ink-2);line-height:1.6;max-width:800px;margin-bottom:20px;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:18px;border-top:1px solid var(--divider);font-size:12px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3);}
.footer-bottom a:hover{color:var(--ink);text-decoration:underline;}

/* ---------------- WhatsApp floating button ---------------- */
.wa-float{
  position:fixed;
  right:calc(20px + env(safe-area-inset-right,0px));
  bottom:calc(20px + env(safe-area-inset-bottom,0px));
  width:58px;height:58px;border-radius:50%;
  background:#FFFFFF;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.12);
  z-index:90;
  transition:transform .15s ease, box-shadow .15s ease;
}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,0.22);}
.wa-badge{
  position:absolute;top:-4px;right:-4px;
  min-width:20px;height:20px;padding:0 5px;
  border-radius:50%;
  background:#FF3B30;color:#fff;
  font-size:12px;font-weight:700;line-height:20px;text-align:center;
  border:2px solid var(--white);
  display:none;
}
.wa-badge.show{display:block;}

@media (max-width:560px){
  .wa-float{width:52px;height:52px;right:calc(16px + env(safe-area-inset-right,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));}
}

/* Responsive */
@media (max-width:900px){
  .feature-grid{grid-template-columns:repeat(2,1fr);row-gap:36px;}
  .feature{border-left:none;}
  .feature:nth-child(2n){border-left:1px solid var(--divider);}
  .finish-grid{grid-template-columns:1fr;border-radius:18px;}
  .finish-card{border-right:none;border-bottom:1px solid var(--divider);}
  .finish-card:last-child{border-bottom:none;}
  .specs{grid-template-columns:1fr;gap:0;}
  .nav-links{display:none;}
}
@media (max-width:560px){
  .section-inner,.section-alt .section-inner{padding:64px 20px;}
  .hero{padding:44px 18px 0;}
  .btn-row{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .hero-buy{padding-bottom:40px;}
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --white:#000000;
    --gray-bg:#161617;
    --ink:#F5F5F7;
    --ink-2:#A1A1A6;
    --ink-3:#86868B;
    --divider:#2C2C2E;
  }
  body{background:var(--white);}
  .navbar{background:rgba(0,0,0,0.72);}
  .buybar{background:rgba(0,0,0,0.75);}
  .hero{background:linear-gradient(180deg,#000000 0%,#000000 60%);}
  .finish-card{background:#0A0A0B;}
}
:root[data-theme="dark"]{
  --white:#000000;
  --gray-bg:#161617;
  --ink:#F5F5F7;
  --ink-2:#A1A1A6;
  --ink-3:#86868B;
  --divider:#2C2C2E;
}