:root{
  --gold:#f7ecc4; --gold2:#d9b25c;
  --lilac:#d9c6f5; --lilac-dim:#a892cf;
  --ink:#0a0610;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto}
body{
  background:var(--ink); color:var(--lilac);
  font-family:"Jost","Inter",system-ui,-apple-system,sans-serif;letter-spacing:.005em;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
::selection{background:rgba(255,108,208,.35);color:#fff}

/* ---- living background canvas ---- */
#bg{position:fixed;inset:0;width:100vw;height:100vh;z-index:0;display:block}
/* fallback gradient if WebGL is unavailable */
.no-webgl #bg{display:none}
.no-webgl body,.no-webgl{background:
  radial-gradient(70% 60% at 50% 0%,#3a1568,transparent 70%),
  linear-gradient(180deg,#160a24,#0a0610 60%,#220a2a);}

/* ---- top progress ---- */
.prog{position:fixed;top:0;left:0;height:2px;width:100%;transform:scaleX(0);transform-origin:0 50%;
  z-index:60;background:linear-gradient(90deg,#ff6cd0,var(--gold));box-shadow:0 0 12px rgba(255,108,208,.6)}

/* ---- masthead ---- */
.mast{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;justify-content:space-between;
  align-items:center;padding:22px 6vw;mix-blend-mode:screen;pointer-events:none}
.mast .brand{font-weight:800;letter-spacing:.34em;font-size:13px;color:#fff}
.mast .brand b{color:var(--gold)}
.mast .ix{font-family:"Playfair Display",serif;font-style:italic;font-size:15px;color:var(--lilac-dim)}
.mast .tabs{display:flex;align-items:center;gap:10px;pointer-events:auto;mix-blend-mode:normal}
.mast .tabs a{font-family:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  font-feature-settings:"ss01","cv11";
  color:#efe6ff;text-decoration:none;
  padding:10px 16px;border-radius:100px;transition:.25s var(--ease);white-space:nowrap}
.mast .tabs a:hover{color:#fff;background:rgba(155,92,255,.16)}
.mast .tabs a.active{color:var(--gold);border:1px solid rgba(247,236,196,.3);
  text-shadow:0 0 16px rgba(247,236,196,.35)}
/* cart-icon circular CTA — premium shimmer-shift + scale + halo on hover */
.mast .tabs a.buy{
  display:inline-flex !important;
  align-items:center;justify-content:center;
  width:46px;height:46px;padding:0 !important;margin:0;
  flex-shrink:0;
  color:#1a0612;
  background:linear-gradient(135deg,var(--gold) 0%,#fff7df 50%,var(--gold) 100%);
  background-size:220% 220%;background-position:0% 50%;
  border-radius:50%;
  box-shadow:
    0 4px 14px rgba(247,236,196,.28),
    0 0 0 1px rgba(247,236,196,.18) inset;
  transition:
    transform .4s cubic-bezier(.22,1,.3,1),
    box-shadow .4s var(--ease),
    background-position .8s ease}
.mast .tabs a.buy svg{
  width:22px;height:22px;display:block;
  color:#1a0612;
  transition:transform .4s cubic-bezier(.34,1.56,.64,1);
  will-change:transform}
.mast .tabs a.buy:hover{
  color:#1a0612 !important;
  background:linear-gradient(135deg,var(--gold) 0%,#fff7df 50%,var(--gold) 100%) !important;
  background-size:220% 220% !important;
  background-position:100% 50% !important;
  transform:translateY(-2px) scale(1.07);
  box-shadow:
    0 10px 32px rgba(247,236,196,.6),
    0 0 0 1px rgba(247,236,196,.5) inset,
    0 0 0 4px rgba(247,236,196,.10)}
.mast .tabs a.buy:hover svg{
  transform:translateY(-1px) scale(1.08);
  color:#1a0612}

/* UI/UX polish — animated underline + a11y focus ring */
:focus{outline:none}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:10px;
  box-shadow:0 0 0 4px rgba(247,236,196,.16)}
.mast .tabs a:not(.buy){position:relative;background:transparent!important}
.mast .tabs a:not(.buy)::after{content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--mag2));transform:scaleX(0);transform-origin:center;
  transition:transform .35s var(--ease);border-radius:2px;
  box-shadow:0 0 12px rgba(247,236,196,.5)}
.mast .tabs a:not(.buy):hover::after,
.mast .tabs a.active:not(.buy)::after{transform:scaleX(1)}
.mast .tabs a.active{border:0}
/* clip-path (not just overflow:hidden) so Safari properly clips the
   mix-blend-mode shine sweep below to the pill shape — see .btn-cta note. */
.buy{position:relative;overflow:hidden;isolation:isolate;
  clip-path:inset(0 round 100px);-webkit-clip-path:inset(0 round 100px)}
.buy::after{content:"";position:absolute;top:-50%;left:-30%;width:35%;height:200%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:translateX(-120%) skewX(-12deg);transition:transform .9s var(--ease);
  pointer-events:none;mix-blend-mode:overlay;z-index:1}
.buy:hover::after{transform:translateX(420%) skewX(-12deg)}
.buy>*{position:relative;z-index:2}
/* ============================================================================
   MASTHEAD MOBILE — match the .topbar hamburger pattern from landing.css so
   the story page header is consistent with the persona/science pages.
   ============================================================================ */
.mast .nav-toggle{
  display:none;
  background:none;
  border:1px solid rgba(247,236,196,.22);
  width:42px;height:42px;
  padding:0;
  border-radius:10px;
  cursor:pointer;
  flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  flex-shrink:0;
  pointer-events:auto;
  mix-blend-mode:normal;
  transition:border-color .25s ease, background .25s ease;
}
.mast .nav-toggle:hover{border-color:rgba(247,236,196,.4);background:rgba(155,92,255,.08)}
.mast .nav-toggle span{
  display:block;
  width:18px;height:1.5px;
  background:var(--gold);
  border-radius:2px;
  transition:transform .3s ease, opacity .3s ease;
}
.mast .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.mast .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.mast .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* Cart button on masthead — match landing.css .cart-btn styling */
.mast .cart-btn{
  display:inline-flex;
  align-items:center;justify-content:center;
  width:48px;height:48px;padding:0;margin:0;
  flex-shrink:0;
  color:#1a0612;
  background:linear-gradient(135deg,var(--gold) 0%,#fff7df 50%,var(--gold) 100%);
  background-size:220% 220%;background-position:0% 50%;
  border:1px solid rgba(255,255,255,.35);border-radius:50%;
  box-shadow:
    0 4px 14px rgba(247,236,196,.28),
    0 0 0 1px rgba(247,236,196,.18) inset;
  text-decoration:none;
  pointer-events:auto;
  mix-blend-mode:normal;
  transition:transform .4s cubic-bezier(.22,1,.3,1),box-shadow .4s ease,background-position .8s ease,border-color .3s ease;
}
.mast .cart-btn svg{width:22px;height:22px;display:block;color:#1a0612;transition:transform .4s cubic-bezier(.34,1.56,.64,1)}
.mast .cart-btn:hover{
  background-position:100% 50%;
  transform:translateY(-2px) scale(1.07);
  box-shadow:0 10px 32px rgba(247,236,196,.6),0 0 0 1px rgba(247,236,196,.5) inset,0 0 0 4px rgba(247,236,196,.10);
  border-color:rgba(255,255,255,.55);
}
.mast .cart-btn:hover svg{transform:translateY(-1px) scale(1.08)}

@media(max-width:720px){
  /* Drop blend-mode + give the masthead a real frosted background on mobile
     so it reads consistently with the topbar on the persona pages. */
  .mast{
    mix-blend-mode:normal;
    padding:11px 4vw;
    gap:10px;
    background:linear-gradient(180deg,rgba(10,6,16,.82),rgba(10,6,16,.35));
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(247,236,196,.08);
    pointer-events:auto;
  }
  /* Hide tagline + the 3DCode wordmark, keep only the APX brand mark */
  .mast .ix{display:none}
  .mast .brand .lg-3d,
  .mast .brand .brand-sep{display:none}
  .mast .brand{gap:0; flex-shrink:0}
  .mast .brand .lg-apx{height:24px;width:auto;flex-shrink:0}

  /* Hamburger is visible, nav becomes a drawer */
  .mast .nav-toggle{display:flex; margin-left:auto}
  .mast .tabs{
    display:none;
    position:absolute;
    top:100%; left:0; right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 4vw 16px;
    background:linear-gradient(180deg, rgba(10,6,16,.96), rgba(10,6,16,.92));
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(247,236,196,.12);
    box-shadow:0 16px 40px rgba(0,0,0,.45);
    z-index:55;
    pointer-events:auto;
  }
  .mast .tabs.open{display:flex}
  .mast .tabs a{
    width:100%;
    text-align:left;
    padding:14px 18px;
    font-size:14px;
    letter-spacing:.14em;
    border-radius:8px;
  }
  /* Drop the desktop hover underline on mobile so it doesn't conflict with the drawer rows */
  .mast .tabs a:not(.buy)::after{display:none}
  .mast .tabs a.active{
    border:1px solid rgba(247,236,196,.3);
    background:rgba(155,92,255,.08);
    color:var(--gold);
  }

  /* Cart button slightly smaller on mobile */
  .mast .cart-btn{width:42px;height:42px}
  .mast .cart-btn svg{width:19px;height:19px}
}

/* ---- content layer ---- */
main{position:relative;z-index:10}
.chapter{min-height:100vh;display:flex;align-items:center;padding:14vh 7vw;position:relative;
  pointer-events:none}
.chapter *{pointer-events:auto}
.chapter .col{max-width:580px}
.chapter.right{justify-content:flex-end}
.chapter.right .col{text-align:right}
.chapter.center{justify-content:center}
.chapter.center .col{text-align:center;max-width:760px}
/* centred chapters frame the product instead of covering it */
#ch-5{align-items:flex-start;padding-top:13vh}
#ch-6{align-items:flex-end;padding-bottom:11vh}

/* ============================================================
   HERO — captivating landing-page first impression (text left, 3D box right)
   ============================================================ */
/* align-items:flex-start + a fixed top offset (not vertical centering) guarantees
   the hero kicker/label always clears the fixed masthead, regardless of viewport
   height — centering alone could push the label up behind the nav on shorter
   windows. Mirrors the same fix already used for mobile below. */
#ch-0{align-items:flex-start;padding-top:150px;padding-bottom:60px;justify-content:flex-start}
#ch-0 .col{max-width:580px;text-align:left;margin:0;position:relative}
#ch-0 .label{margin-bottom:22px}
.hero-tag{font-family:"Playfair Display",serif;font-weight:800;color:#fdf6e3;
  font-size:clamp(56px,8.4vw,128px);line-height:.96;letter-spacing:-.022em;
  text-shadow:0 0 38px rgba(247,236,196,.30),0 0 18px rgba(255,108,208,.18);
  margin:8px 0 14px;text-wrap:balance;perspective:700px}
.hero-tag em{font-style:italic;font-weight:500;color:var(--lilac);text-shadow:0 0 22px rgba(217,198,245,.25)}
.hero-tag .char{display:inline-block;will-change:transform,opacity}
.hero-sub-italic{font-family:"Playfair Display",serif;font-style:italic;font-weight:500;
  font-size:clamp(20px,2.2vw,28px);color:var(--lilac);margin:0 0 22px;letter-spacing:.005em}
#ch-0 .lede{font-size:clamp(15px,1.35vw,18px);line-height:1.65;color:var(--lilac);
  max-width:520px;font-weight:350}
#ch-0 .lede strong{color:var(--gold);font-weight:600}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.btn-cta{display:inline-flex;align-items:center;gap:11px;padding:17px 34px;border-radius:100px;
  font-family:"Jost",sans-serif;font-size:14px;font-weight:700;letter-spacing:.08em;
  text-decoration:none;transition:transform .3s var(--ease),box-shadow .35s var(--ease),background .3s var(--ease),border-color .3s var(--ease);
  position:relative;overflow:hidden;isolation:isolate;text-transform:uppercase;
  /* Safari/WebKit fails to clip a mix-blend-mode child to the parent's
     border-radius via overflow:hidden alone (it promotes the child to its
     own compositing layer that ignores the radius) — the shine sweep below
     then renders as a hard-edged rectangle poking past the rounded pill.
     clip-path clips reliably in WebKit regardless of blend modes. */
  clip-path:inset(0 round 100px);-webkit-clip-path:inset(0 round 100px)}
.btn-cta.primary{color:#1a0612;background:linear-gradient(100deg,var(--gold),#fff7df);
  box-shadow:0 0 46px rgba(247,236,196,.32)}
.btn-cta.primary:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 0 78px rgba(247,236,196,.55)}
.btn-cta.ghost{color:#fff;border:1px solid rgba(247,236,196,.4);background:rgba(247,236,196,.03);backdrop-filter:blur(6px)}
.btn-cta.ghost:hover{background:rgba(247,236,196,.10);border-color:rgba(247,236,196,.7);transform:translateY(-2px)}
.btn-cta svg{width:18px;height:18px}
.btn-cta::after{content:"";position:absolute;top:-50%;left:-30%;width:35%;height:200%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);
  transform:translateX(-120%) skewX(-12deg);transition:transform .9s var(--ease);
  pointer-events:none;mix-blend-mode:overlay;z-index:1}
.btn-cta:hover::after{transform:translateX(420%) skewX(-12deg)}
.btn-cta>*{position:relative;z-index:2}
.hero-trust{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;margin-top:34px;
  padding-top:22px;border-top:1px solid rgba(247,236,196,.1)}
.hero-trust .tlabel{width:100%;font-size:10.5px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--lilac-dim);margin-bottom:6px}
.hero-trust .trust-pill{display:inline-flex;align-items:center;padding:7px 13px;border-radius:100px;
  border:1px solid rgba(247,236,196,.2);background:rgba(247,236,196,.04);
  font-size:11.5px;color:#efe6ff;letter-spacing:.04em;transition:.3s var(--ease)}
.hero-trust .trust-pill:hover{border-color:rgba(247,236,196,.4);background:rgba(247,236,196,.08);transform:translateY(-1px)}
.hero-trust .trust-pill b{color:var(--gold);font-weight:600;margin-right:5px;letter-spacing:.02em}

@media(max-width:820px){
  #ch-0{align-items:flex-start;padding-top:14vh;padding-bottom:14vh}
  #ch-0 .col{max-width:100%}
  .hero-tag{font-size:clamp(46px,12vw,72px)}
  .hero-trust{justify-content:flex-start}
}

/* ---- official brand logos (masthead + hero) ---- */
.brand{display:flex;align-items:flex-end;gap:16px;text-decoration:none;transition:opacity .25s var(--ease)}
a.brand:hover{opacity:.8}
.brand .lg-3d{height:19px;width:auto;display:block;filter:drop-shadow(0 1px 6px rgba(0,0,0,.5))}
.brand .lg-zing{height:30px;width:auto;display:block;filter:drop-shadow(0 1px 8px rgba(247,236,196,.25))}
/* APX image is ~61% letters + bolt above, so 31px makes its cap-height match 3DCode's 19px */
.brand .lg-apx{height:31px;width:auto;display:block;filter:drop-shadow(0 1px 7px rgba(247,236,196,.25))}
.brand .brand-sep{align-self:center}
.brand-sep{width:1px;height:20px;background:rgba(247,236,196,.3)}
.hero-logo{display:block;width:min(62vw,420px);height:auto;margin:6px 0 26px;
  filter:drop-shadow(0 6px 34px rgba(247,236,196,.28)) drop-shadow(0 2px 8px rgba(255,108,208,.25))}
.chapter.center .hero-logo{margin-left:auto;margin-right:auto}
.cue{margin-top:16px;font-size:14px!important;letter-spacing:.06em;color:var(--gold2);font-weight:500}

/* ---- legibility over the 3D product: soft scrim behind text + shadows ---- */
.chapter .col{position:relative}
.chapter .col::before{content:"";position:absolute;inset:-9% -13%;z-index:-1;pointer-events:none;
  background:radial-gradient(ellipse at center,rgba(7,3,13,.62),rgba(7,3,13,.32) 48%,rgba(7,3,13,0) 74%);
  filter:blur(30px)}
.display{text-shadow:0 3px 30px rgba(7,3,13,.7),0 1px 4px rgba(0,0,0,.5)}
.body,.pull,.price,.guarantee,.cue,.label{text-shadow:0 1px 12px rgba(7,3,13,.85),0 0 2px rgba(0,0,0,.5)}
.meta .n{text-shadow:0 2px 16px rgba(7,3,13,.8)}
.meta .l{text-shadow:0 1px 10px rgba(7,3,13,.85)}

/* giant faint chapter numeral */
.numeral{position:absolute;font-family:"Playfair Display",serif;font-weight:900;
  font-size:min(46vh,520px);line-height:.8;color:rgba(247,236,196,.05);z-index:-1;
  user-select:none;pointer-events:none;letter-spacing:-.02em}
.chapter.right .numeral{left:5vw;bottom:6vh}
.chapter:not(.right):not(.center) .numeral{right:5vw;bottom:6vh}
.chapter.center .numeral{left:50%;top:50%;transform:translate(-50%,-50%)}

/* ---- typography (editorial tension: Playfair × Inter) ---- */
.label{display:inline-flex;align-items:center;gap:14px;font-size:12px;letter-spacing:.34em;
  text-transform:uppercase;color:var(--gold);font-weight:600;margin-bottom:26px}
.label::before{content:"";width:42px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
.chapter.right .label{flex-direction:row-reverse}
.chapter.right .label::before{background:linear-gradient(90deg,transparent,var(--gold))}

.display{font-family:"Playfair Display",serif;font-weight:800;color:#fdf6e3;
  font-size:clamp(42px,7.4vw,118px);line-height:.98;letter-spacing:-.015em;
  perspective:700px;margin-bottom:30px;text-wrap:balance}
.display .em{font-style:italic;font-weight:500;color:var(--lilac)}
.display .char{display:inline-block;will-change:transform,opacity}
/* keep all characters of a word together — prevents Splitting.js from breaking words mid-letter */
.display .word,.hero-tag .word{display:inline-block;white-space:nowrap}

.body{font-size:clamp(16px,1.5vw,20px);line-height:1.75;color:var(--lilac);max-width:540px;font-weight:350}
.body strong{color:var(--gold);font-weight:600}
.meta .n sup{font-size:.5em;vertical-align:super}
.chapter.right .body,.chapter.center .body{margin-left:auto}
.chapter.center .body{margin-right:auto}

.rule{width:88px;height:1px;background:linear-gradient(90deg,var(--gold2),transparent);margin:32px 0}
.chapter.right .rule{margin-left:auto;background:linear-gradient(90deg,transparent,var(--gold2))}
.chapter.center .rule{margin:32px auto}

.pull{font-family:"Playfair Display",serif;font-style:italic;font-weight:500;
  font-size:clamp(24px,3.2vw,46px);line-height:1.2;color:var(--gold);margin-top:34px;max-width:620px}
.chapter.right .pull{margin-left:auto}
.hero-pull{font-size:clamp(18px,2vw,24px);margin-top:14px;margin-bottom:2px;max-width:560px}

.meta{display:flex;gap:46px;margin-top:38px;flex-wrap:wrap}
.chapter.right .meta{justify-content:flex-end}
.chapter.center .meta{justify-content:center}
.meta .n{font-family:"Playfair Display",serif;font-weight:800;font-size:46px;color:#fff;line-height:1}
.meta .l{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--lilac-dim);margin-top:8px}

/* ---- finale CTA ---- */
.price{font-size:19px;color:var(--lilac);margin:18px 0 4px;letter-spacing:.02em}
.cta-wrap{margin-top:30px}
.buy{display:inline-flex;align-items:center;gap:12px;padding:19px 44px;border-radius:100px;
  font-family:"Jost","Inter",sans-serif;font-size:16px;font-weight:700;letter-spacing:.04em;
  text-decoration:none;color:#1a0612;background:linear-gradient(100deg,var(--gold),#fff7df);
  box-shadow:0 0 50px rgba(247,236,196,.35);transition:.3s var(--ease)}
.buy:hover{transform:translateY(-3px) scale(1.03);box-shadow:0 0 80px rgba(247,236,196,.6)}
.buy svg{width:18px;height:18px}
.guarantee{margin-top:18px;font-size:13px;letter-spacing:.06em;color:var(--lilac-dim)}

footer{position:relative;z-index:10;text-align:center;padding:46px 20px;font-size:12px;
  letter-spacing:.12em;color:#6f5c97}
footer b{color:var(--gold)}

/* ---- scroll hint ---- */
.hint{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:40;
  font-family:"Playfair Display",serif;font-style:italic;font-size:13px;color:var(--lilac-dim);
  display:flex;flex-direction:column;align-items:center;gap:10px;transition:opacity .5s}
.hint.gone{opacity:0}
.hint .line{width:1px;height:36px;background:linear-gradient(180deg,var(--lilac-dim),transparent);
  animation:drop 1.8s var(--ease) infinite}
@keyframes drop{0%{transform:scaleY(0);transform-origin:top}40%{transform:scaleY(1);transform-origin:top}
  60%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

@media (max-width:760px){
  .chapter{padding:12vh 8vw}
  .chapter.right{justify-content:flex-start}
  .chapter.right .col,.chapter.center .col{text-align:left;margin:0}
  .chapter.right .label{flex-direction:row}
  .chapter.right .body,.chapter.center .body,.chapter.right .rule,.chapter.center .rule,
  .chapter.right .pull,.chapter.right .meta,.chapter.center .meta{margin-left:0;justify-content:flex-start}
  .numeral{font-size:34vh}

  /* FINALE (#ch-6) — keep this section truly CENTRED on mobile. The generic
     ".chapter.center .col {text-align:left}" override above would push it
     to the left like the body chapters; the finale is different — it's the
     conversion moment and reads as a centred poster. */
  #ch-6{justify-content:center}
  #ch-6 .col{
    text-align:center;
    margin:0 auto;
    max-width:100%;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:8px;
  }
  #ch-6 .label{
    flex-direction:row;
    justify-content:center;
    margin-bottom:14px;
  }
  /* Centre the kicker's flanking gold rule on the right too */
  #ch-6 .label::after{
    content:"";
    width:42px;height:1px;
    background:linear-gradient(90deg,transparent,var(--gold));
  }
  #ch-6 .display{
    font-size:clamp(54px, 16vw, 96px);
    line-height:.95;
    margin:0 auto 18px;
    text-align:center;
  }
  #ch-6 .price{
    text-align:center;
    margin:0 auto 20px;
    max-width:340px;
  }
  #ch-6 .cta-wrap{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:18px;
    margin:0 auto;
  }
  #ch-6 .guarantee{
    text-align:center;
    margin:0 auto;
    max-width:320px;
    line-height:1.6;
  }

  /* MOBILE-ONLY legibility — soft scrim + dense text shadows.
     Scrim is intentionally TRANSLUCENT so the 3D model stays visible
     and the page keeps its premium immersive feel. The reading is carried
     mostly by heavy multi-stop text shadows compounding behind each letter. */
  .chapter .col{position:relative; z-index:2}
  .chapter .col::before{
    content:"";
    position:absolute;
    inset:-4% -8%;
    z-index:-1;
    pointer-events:none;
    background:radial-gradient(ellipse 110% 95% at center,
      rgba(7,3,13,.52) 0%,
      rgba(7,3,13,.38) 40%,
      rgba(7,3,13,.18) 68%,
      rgba(7,3,13,0)   95%);
    filter:blur(28px);
  }
  /* Subtle backdrop-blur just softens the canvas detail behind the text */
  .chapter .col::after{
    content:"";
    position:absolute;
    inset:-2% -4%;
    z-index:-1;
    pointer-events:none;
    border-radius:18px;
    backdrop-filter:blur(5px) brightness(.92);
    -webkit-backdrop-filter:blur(5px) brightness(.92);
  }
  /* Heavy multi-stop text-shadows do the legibility work — letters get a
     tight inner halo for crispness against the canvas, plus a wider soft
     outer shadow that anchors them in dark space. */
  .display,.hero-tag{
    text-shadow:
      0 0 1px rgba(0,0,0,.85),
      0 1px 2px rgba(7,3,13,.95),
      0 2px 12px rgba(7,3,13,.98),
      0 4px 28px rgba(7,3,13,.85);
  }
  .body,.pull,.price,.guarantee,.cue,.label{
    text-shadow:
      0 0 1px rgba(0,0,0,.95),
      0 1px 2px rgba(7,3,13,.98),
      0 2px 10px rgba(7,3,13,.95),
      0 3px 18px rgba(7,3,13,.85);
  }
  .body strong{
    text-shadow:
      0 0 1px rgba(0,0,0,.95),
      0 1px 3px rgba(7,3,13,.98),
      0 2px 12px rgba(7,3,13,.95);
  }
}