/* Scoped to .hfh-lp — /landing/headphones/ experiments only. */
.hfh-lp{--ink:#0d0b14;--ink2:#2a2638;--mute:#5d5870;--silver:#e9ebf1;--silver2:#d5d8e2;--pale:#eef2fa;--blue:#a9b8d6;--violet:#b9a6ec;--purple:#5b2bb5;--deep:#1b1030;--line:rgba(13,11,20,.12);
  margin:0;font-family:Inter,system-ui,sans-serif;color:var(--ink);background:#fafafc;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.hfh-lp *{box-sizing:border-box}
.hfh-lp [hidden]{display:none!important}
.hfh-lp img{max-width:100%;height:auto;display:block}
.hfh-lp a{color:inherit}
.hfh-lp h1,.hfh-lp h2,.hfh-lp h3{font-weight:600;letter-spacing:-.035em;line-height:1.04;margin:0 0 .5em}
.hfh-lp h1{font-size:clamp(2.6rem,6.4vw,5.6rem)}
.hfh-lp h2{font-size:clamp(1.9rem,3.8vw,3.4rem)}
.hfh-lp h3{font-size:1.15rem;letter-spacing:-.01em}
.hfh-lp p{margin:0 0 1em}
.hfh-lp :focus-visible{outline:3px solid var(--purple);outline-offset:3px;border-radius:6px}
.lp-skip{position:absolute;left:-999px;top:8px;background:#fff;padding:10px 16px;z-index:50}.lp-skip:focus{left:12px}
.lp-eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--purple);margin-bottom:1rem}
.lp-lede{font-size:clamp(1.05rem,1.5vw,1.3rem);color:var(--ink2);max-width:36em;font-weight:400}
.lp-cap,.lp-note,.lp-fine{font-size:.88rem;color:var(--mute)}
.lp-fine{font-size:.8rem;max-width:60em}
.lp-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.lp-ctas{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:1.4rem 0}
.lp-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border-radius:999px;background:var(--ink);color:#fff!important;font-weight:600;text-decoration:none;font-size:1rem;transition:background .2s}
.lp-btn:hover{background:var(--purple)}
.lp-btn-ghost{background:transparent;color:var(--ink)!important;border:1px solid var(--ink)}
.lp-btn-ghost:hover{background:var(--ink);color:#fff!important}
.lp-btn-sm{min-height:44px;padding:0 20px;font-size:.92rem}
.lp-link{display:inline-flex;align-items:center;min-height:44px;font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--violet)}
.lp-on-dark{color:#fff!important;border-color:#fff}
/* header */
.lp-head{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:10px max(24px,env(safe-area-inset-left));background:rgba(250,250,252,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.lp-logo img{height:34px;width:auto}
.lp-util{margin-left:auto;display:flex;gap:4px}
.lp-util a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;font-size:.9rem;text-decoration:none;color:var(--ink2)}
.lp-util a:hover{color:var(--purple)}
.hfh-commerce-header-actions{margin-left:0}
/* shared blocks */
.hfh-lp main>section{padding:clamp(64px,9vw,128px) clamp(24px,6vw,96px)}
.lp-videos{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.lp-video{position:relative;display:block;width:100%;padding:0;border:0;border-radius:18px;overflow:hidden;cursor:pointer;background:#000;aspect-ratio:9/14}
.lp-video img{width:100%;height:100%;object-fit:cover;transform:scale(1.32);transition:transform .5s}
.lp-video:hover img{transform:scale(1.38)}
.lp-play{position:absolute;inset:auto auto 14px 14px;width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.92)}
.lp-play::after{content:"";position:absolute;left:21px;top:16px;border-left:15px solid var(--ink);border-top:10px solid transparent;border-bottom:10px solid transparent}
.lp-videos p{font-size:.9rem;margin:.6rem 0 0;font-weight:500}
.lp-shots{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lp-shots figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}
.lp-shots img{border-radius:8px;max-height:120px;width:100%;object-fit:cover;object-position:top}
.lp-shots figcaption{font-size:1rem;margin-top:12px;color:var(--ink)}.lp-shots figcaption span{display:block;font-size:.82rem;color:var(--mute);margin-top:4px}
.lp-faq details,.lp-research details{border-top:1px solid var(--line)}
.lp-faq details:last-child,.lp-research details:last-child{border-bottom:1px solid var(--line)}
.lp-faq summary,.lp-research summary{cursor:pointer;list-style:none;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-weight:600;padding:12px 0}
.lp-faq summary::-webkit-details-marker,.lp-research summary::-webkit-details-marker{display:none}
.lp-faq summary::after,.lp-research summary::after{content:"+";font-weight:300;font-size:1.5rem;color:var(--purple);transition:transform .2s}
.lp-faq details[open] summary::after,.lp-research details[open] summary::after{transform:rotate(45deg)}
.lp-faq p,.lp-research p{color:var(--ink2);padding-bottom:12px}
.lp-box{padding:0;list-style:none;margin:0 0 1rem}.lp-box li{padding:10px 0;border-bottom:1px solid var(--line)}
.lp-appgroups{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin:1.5rem 0}
.lp-appgroups h3{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--purple);padding-bottom:10px;border-bottom:1px solid currentColor}
.lp-appgroups dt{font-weight:600;margin-top:12px}.lp-appgroups dd{margin:2px 0 0;font-size:.92rem;color:var(--mute)}
.st-price{display:flex;flex-direction:column;gap:2px;margin:1.2rem 0 0}.st-price strong{font-size:2rem;font-weight:600;letter-spacing:-.03em}.st-price span{font-size:.85rem;color:var(--mute)}
.lp-beat{width:100%;max-width:640px;margin:2rem auto 0}.lp-beat .t{font:600 11px Inter,sans-serif;letter-spacing:.14em;fill:currentColor;opacity:.75}
.lp-table-wrap{overflow-x:auto}
.lp-dialog{border:0;padding:0;background:#000;border-radius:16px;width:min(420px,92vw);aspect-ratio:9/16;overflow:visible}
.lp-dialog::backdrop{background:rgba(5,3,10,.82)}
.lp-frame,.lp-frame iframe{width:100%;height:100%;border:0;border-radius:16px}
.lp-close{position:absolute;top:-56px;right:0;width:48px;height:48px;border-radius:50%;border:0;background:#fff;font-size:1.8rem;cursor:pointer}
/* footer */
.lp-foot{background:var(--ink);color:#d9d6e4;padding:72px clamp(24px,6vw,96px) calc(32px + env(safe-area-inset-bottom))}
.lp-foot-top{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.lp-foot img{height:34px;width:auto}
.lp-foot-tag{font-size:1.6rem;font-weight:600;color:#fff;letter-spacing:-.03em;margin:18px 0 8px}
.lp-foot h2{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--violet);margin-bottom:12px}
.lp-foot a{display:block;text-decoration:none;padding:6px 0;color:#d9d6e4}.lp-foot a:hover{color:#fff}
.lp-foot-bottom{display:flex;flex-wrap:wrap;gap:24px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);font-size:.88rem}
.lp-foot .lp-fine{color:#a6a1b6;margin-top:16px}

/* ===== A · Studio ===== */
.lp-studio{background:linear-gradient(180deg,#f4f5f9,#fafafc 40%)}
.st-hero{display:grid;grid-template-columns:1.25fr 1fr;align-items:center;gap:clamp(24px,4vw,64px);min-height:calc(100vh - 66px);padding-top:32px!important}
.st-stage{position:relative;border-radius:36px;background:radial-gradient(circle at 50% 42%,#fff 0,#e8ebf3 48%,#cfd4e2 100%);overflow:hidden;aspect-ratio:1}
.st-hero-img{position:relative;z-index:1;width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply}
.st-glow{position:absolute;inset:auto 10% 6% 10%;height:30%;background:radial-gradient(ellipse,rgba(185,166,236,.55),transparent 70%);filter:blur(30px)}
.st-summary h1{font-size:clamp(2.6rem,5vw,4.6rem)}
.st-assure{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:.88rem;color:var(--mute)}
.st-assure a{text-decoration:underline;text-underline-offset:3px;min-height:44px;display:inline-flex;align-items:center}
.st-diffs{padding-top:0!important}
.st-diffs ol{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.st-diffs li{padding:28px 24px 0 0;border-right:1px solid var(--line);margin-right:24px}.st-diffs li:last-child{border:0}
.st-diffs span{font-size:.8rem;color:var(--purple);font-weight:600}.st-diffs h2{font-size:1.3rem;letter-spacing:-.02em;margin:.6rem 0 .4rem}.st-diffs p{font-size:.95rem;color:var(--mute)}
.st-proof{background:var(--ink);color:#fff}.st-proof-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px}.st-proof-head p{color:#c9c4d8;max-width:24em}
.st-proof .lp-shots figure{background:#17141f;border-color:#2c2838}.st-proof .lp-shots figcaption{color:#fff}.st-proof .lp-shots figcaption span{color:#a6a1b6}
.st-hw{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(32px,5vw,80px);align-items:center}
.st-hw-media{position:relative}.st-hw-img{border-radius:28px}.st-phone{position:absolute;right:-4%;bottom:-12%;width:34%;border-radius:22px;box-shadow:0 30px 60px -20px rgba(27,16,48,.45)}
.st-app{grid-template-columns:1fr}
.st-how{text-align:center;background:var(--pale)}
.st-steps{list-style:none;padding:0;margin:40px auto 0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:1100px;counter-reset:s}
.st-steps li{position:relative;padding:28px 16px 0;border-top:2px solid var(--blue);text-align:left;counter-increment:s}
.st-steps li::before{content:"0" counter(s);position:absolute;top:-14px;left:16px;background:var(--pale);padding:0 8px;font-weight:600;color:var(--purple);font-size:.85rem}
.st-steps b{font-size:1.3rem}.st-steps p{color:var(--mute);font-size:.95rem}
.st-how .lp-beat{color:var(--deep)}
.st-daynight{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding-left:0!important;padding-right:0!important}
.st-day,.st-night{display:grid;grid-template-rows:auto 1fr}
.st-day img,.st-night img{aspect-ratio:4/3;object-fit:cover;width:100%}
.st-day>div,.st-night>div{padding:40px clamp(24px,4vw,64px)}
.st-night>div{background:var(--deep);color:#fff}.st-night img{object-position:center 25%}
.st-daynight ul{list-style:none;padding:0;margin:0}.st-daynight li{padding:12px 0;border-top:1px solid var(--line)}.st-night li{border-color:rgba(255,255,255,.15);color:#ddd8ea}
.st-note{grid-column:1/-1;text-align:center;color:var(--mute);padding:24px}
.st-research{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,5vw,80px);align-items:start}
.st-eeg{border-radius:16px;margin-top:1rem}
.st-specs{display:grid;grid-template-columns:1fr 2fr;gap:clamp(32px,5vw,80px);background:#fff;border-top:1px solid var(--line)}
.st-final{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:center;background:radial-gradient(circle at 20% 50%,#ece6fb,#f4f5f9 60%)}
.st-final img{border-radius:28px;mix-blend-mode:multiply}

/* ===== B · Experience ===== */
.ex-dark{background:var(--ink);color:#fff}.ex-dark p{color:#d4cfe0}.ex-dark .lp-eyebrow{color:var(--violet)}
.ex-pale{background:var(--pale)}
.ex-hero{position:relative;min-height:calc(100vh - 66px);display:flex;align-items:flex-end;padding:0!important;overflow:hidden;background:#0b0912}
.ex-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% center}
.ex-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,9,18,.9) 0,rgba(11,9,18,.55) 45%,transparent 75%)}
.ex-hero-copy{position:relative;z-index:1;color:#fff;max-width:640px;padding:clamp(48px,8vw,120px) clamp(24px,6vw,96px)}
.ex-hero-copy .lp-lede{color:#ddd8ea}.ex-hero-copy .lp-eyebrow{color:var(--violet)}
.ex-hero .lp-btn:not(.lp-btn-ghost){background:#fff;color:var(--ink)!important}.ex-hero .lp-btn-ghost:hover{background:#fff;color:var(--ink)!important}
.ex-sub{margin-bottom:32px}
.ex-vids{grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:24px}
.ex-vids p{color:#fff}
.ex-shots{grid-template-columns:repeat(3,1fr)}.ex-shots img{max-height:none}
.ex-shots figcaption{font-size:1.15rem;font-weight:500;letter-spacing:-.01em}
.ex-mech{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(32px,5vw,80px);align-items:center}
.ex-mech-art{color:var(--violet)}.lp-temple{width:100%;max-width:420px;margin:auto}
.ex-rail{list-style:none;padding:0 0 12px;margin:32px 0 16px;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(240px,1fr);gap:16px;overflow-x:auto;scroll-snap-type:x mandatory}
.ex-rail li{scroll-snap-align:start}.ex-rail img{aspect-ratio:3/4;object-fit:cover;object-position:center 20%;border-radius:18px;width:100%}
.ex-rail h3{margin-top:14px}.ex-rail p{font-size:.92rem;color:var(--mute)}
.ex-app{display:grid;grid-template-columns:auto 1fr;gap:clamp(32px,5vw,80px);align-items:center}
.ex-phones{display:flex;gap:16px}.ex-phones img{width:200px;border-radius:24px;border:1px solid #2c2838}.ex-phones img+img{margin-top:60px}
.ex-appg dd{color:#a6a1b6}.ex-appg h3{color:var(--violet)}
.ex-compare table{width:100%;border-collapse:collapse;margin-top:24px;min-width:640px;background:#fff;border-radius:16px;overflow:hidden}
.ex-compare th,.ex-compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}
.ex-compare thead th{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
.ex-compare td:last-child,.ex-compare thead th:last-child{background:#f1ecfd;font-weight:600;color:var(--deep)}
.ex-research{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(32px,5vw,80px);align-items:start}
.ex-res details{border-color:rgba(255,255,255,.15)!important}.ex-res p{color:#c9c4d8}
.ex-founder{display:grid;grid-template-columns:120px 1fr;gap:20px;background:#17141f;border:1px solid #2c2838;border-radius:20px;padding:20px}
.ex-founder img{border-radius:12px;aspect-ratio:3/4;object-fit:cover;object-position:top}
.ex-founder p{font-size:.92rem}
.ex-buy{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(32px,5vw,80px);align-items:center;margin-bottom:64px}
.ex-buy img{border-radius:24px;mix-blend-mode:multiply}

/* ===== C · Editorial ===== */
.lp-ed{background:#fbfbfd}
.ed-hero{padding-top:clamp(48px,7vw,96px)!important;padding-left:0!important;padding-right:0!important}
.ed-hero-copy{padding:0 clamp(24px,6vw,96px)}
.ed-hero h1{font-size:clamp(3rem,8.4vw,8rem);font-weight:500;max-width:11ch;letter-spacing:-.05em;line-height:.96}
.ed-hero-row{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end;margin:2rem 0 3rem;border-top:1px solid var(--line);padding-top:24px}
.ed-hero-img{width:100%;aspect-ratio:16/8;object-fit:cover}
.ed-standfirst{text-align:center;font-size:clamp(1.5rem,3vw,2.4rem);font-weight:300;letter-spacing:-.03em;padding:96px 24px 0;margin:0}
.ed-ch{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(32px,6vw,120px);align-items:center}
.ed-l{grid-template-columns:1fr 1.3fr}.ed-l .ed-ch-media{order:2}
.ed-ch-media img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 22%}
.ed-r .ed-ch-media img{aspect-ratio:3/2}
.ed-n{display:block;font-size:clamp(4rem,9vw,8rem);font-weight:200;color:var(--silver2);line-height:1;letter-spacing:-.06em}
.ed-ch-copy p:not(.lp-eyebrow){font-size:1.15rem;color:var(--ink2);max-width:28em}
.ed-founder{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,6vw,120px);align-items:center;background:var(--deep);color:#fff}
.ed-founder .lp-eyebrow{color:var(--violet)}.ed-founder p{color:#ddd8ea}
.ed-founder-imgs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.ed-founder-imgs img{aspect-ratio:2/3;object-fit:cover;object-position:top}.ed-founder-imgs img+img{margin-top:64px}
.ed-lead{font-size:1.15rem}
.ed-more summary{cursor:pointer;min-height:44px;display:inline-flex;align-items:center;font-weight:600;text-decoration:underline;text-underline-offset:4px}
.ed-founder .lp-link{color:#fff}
.ed-precision{text-align:center}.ed-precision h2{max-width:16ch;margin-inline:auto}.ed-precision .lp-beat{color:var(--deep)}
.ed-cols{display:grid;grid-template-columns:1fr 1fr;gap:48px;max-width:960px;margin:40px auto 0;text-align:left;color:var(--ink2);columns:2}
.ed-modes{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);background:var(--silver);align-items:start}
.ed-modes h2{grid-column:1/-1}
.ed-modelist{list-style:none;padding:0;margin:0;counter-reset:m}
.ed-modelist li{counter-increment:m;font-size:clamp(2rem,4.4vw,3.8rem);font-weight:300;letter-spacing:-.04em;border-bottom:1px solid var(--line);padding:10px 0;display:flex;justify-content:space-between}
.ed-modelist li::after{content:"0" counter(m);font-size:.9rem;color:var(--purple);font-weight:600;align-self:center}
.ed-app{grid-template-columns:1fr;margin:0}
.ed-phone{display:none}
.ed-voices blockquote{font-size:clamp(1.8rem,4vw,3.4rem);font-weight:300;letter-spacing:-.035em;line-height:1.15;max-width:22ch;margin:0 0 48px}
.ed-voices cite{display:block;font-size:1rem;font-style:normal;color:var(--mute);margin-top:16px;letter-spacing:0}
.ed-vids{grid-template-columns:repeat(3,1fr);max-width:900px}
.ed-limits{background:#fff;border-block:1px solid var(--line)}
.ed-limits ol{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:40px;counter-reset:r}
.ed-limits li{counter-increment:r;border-top:1px solid var(--ink);padding-top:16px}
.ed-limits li::before{content:counter(r,decimal-leading-zero);font-size:.85rem;color:var(--purple);font-weight:600}
.ed-limits p{color:var(--ink2);font-size:.95rem}
.ed-setup{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(32px,5vw,80px)}
.ed-close{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;background:linear-gradient(135deg,#eef2fa,#ece6fb)}
.ed-close img{border-radius:28px}

/* ===== Index ===== */
.ix h1{max-width:16ch}
.ix-grid{list-style:none;padding:0;margin:48px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ix-grid a{display:block;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;padding-bottom:20px;transition:transform .3s,box-shadow .3s;height:100%}
.ix-grid a:hover{transform:translateY(-4px);box-shadow:0 24px 50px -24px rgba(27,16,48,.3)}
.ix-grid img{aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:20px}
.ix-grid a>*:not(img){margin-inline:24px}.ix-grid .lp-eyebrow{display:block;margin-bottom:6px}.ix-grid p{color:var(--mute);font-size:.95rem}

.lp-head-buy{flex-shrink:0}
.lp-grp-more>summary{display:none}
/* ===== Responsive ===== */
@media (max-width:900px){
  .hfh-lp{font-size:16px}
  .hfh-lp main>section{padding:64px 24px}
  .st-hero,.st-hw,.st-research,.st-specs,.st-final,.ex-mech,.ex-app,.ex-research,.ex-buy,.ed-ch,.ed-l,.ed-founder,.ed-modes,.ed-setup,.ed-close{grid-template-columns:1fr}
  .st-hero{min-height:0;padding-top:16px!important}
  .st-diffs ol,.lp-appgroups,.st-steps{grid-template-columns:1fr}
  .st-diffs li{border-right:0;margin-right:0;border-bottom:1px solid var(--line);padding:20px 0}
  .st-proof-head{flex-direction:column;align-items:start}
  .lp-videos,.ex-vids,.ed-vids{grid-template-columns:repeat(2,1fr);gap:12px}
  .lp-shots,.ex-shots{grid-template-columns:1fr}
  .st-phone{width:38%;right:4%;bottom:-8%}
  .st-hw-media{margin-bottom:40px}
  .st-daynight{grid-template-columns:1fr}
  .st-daynight>div>div{padding:32px 24px}
  .ex-hero{min-height:0;flex-direction:column;align-items:stretch}
  .ex-hero-img{position:relative;aspect-ratio:4/5;height:auto;object-position:62% center}
  .ex-hero::after{display:none}
  .ex-hero-copy{background:#0b0912;padding:40px 24px 56px}
  .ex-phones img{width:44vw;max-width:200px}
  .ex-founder{grid-template-columns:96px 1fr}
  .ed-l .ed-ch-media{order:0}
  .ed-hero-row{grid-template-columns:1fr}
  .ed-standfirst{padding-top:64px}
  .ed-cols{grid-template-columns:1fr;gap:0}
  .ed-founder-imgs img+img{margin-top:32px}
  .ix-grid{grid-template-columns:1fr}
  .lp-foot-top{grid-template-columns:1fr 1fr}.lp-foot-top>div:first-child{grid-column:1/-1}
  .lp-util a{padding:0 6px;font-size:.85rem}
  .lp-head{gap:8px;padding:8px 16px}
  .lp-grp-more>summary{display:inline-flex;align-items:center;min-height:44px;cursor:pointer;font-weight:600;font-size:.9rem;text-decoration:underline;text-underline-offset:4px}
  .st-stage{aspect-ratio:4/3}
  .ed-hero{display:flex;flex-direction:column;padding-top:0!important}
  .ed-hero-img{order:-1;aspect-ratio:4/3;margin-bottom:40px}
}
@media (max-width:420px){.lp-logo img{height:28px}.lp-help{display:none!important}}
@media (prefers-reduced-motion:reduce){.hfh-lp *,.hfh-lp *::before{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* ===== v4: restored source modules + shared buy box ===== */
.lp-sec-head{max-width:52rem;margin:0 0 clamp(28px,4vw,48px)}
.lp-sec-head p{color:var(--mute)}
.lp-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.lp-split+.lp-split{margin-top:clamp(40px,6vw,80px)}
.lp-rev>:first-child{order:2}
.lp-h3big{font-size:clamp(1.4rem,2.4vw,2rem)!important;letter-spacing:-.03em!important}
.lp-grp-more{margin-top:.4rem}
.lp-grp-more>summary{cursor:pointer;font-weight:600;min-height:44px;display:inline-flex;align-items:center;color:var(--purple);list-style:none}
.lp-grp-more>summary::-webkit-details-marker{display:none}
.lp-grp-more[open]>summary{display:none}
@media (max-width:900px){.lp-grp-more[open]>summary{display:inline-flex}}
.lp-fig{margin:0}.lp-fig img{border-radius:20px;width:100%}
.lp-fig figcaption{font-size:.82rem;color:var(--mute);margin-top:8px}
.lp-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.hfh-lp table{border-collapse:collapse;width:100%;font-size:.95rem}
.hfh-lp th,.hfh-lp td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.hfh-lp thead th{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mute)}
/* stats */
.lp-stats{padding-top:40px!important;padding-bottom:40px!important}
.lp-stats ul{list-style:none;padding:0;margin:0 0 12px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.lp-stats b{display:block;font-size:clamp(2rem,4vw,3.2rem);font-weight:600;letter-spacing:-.04em;line-height:1;background:linear-gradient(120deg,var(--ink),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-stats span{font-size:.92rem;color:var(--mute)}
/* proof */
.lp-vid-more{margin-top:16px}
.lp-seemore{margin:20px 0 0;cursor:pointer;font:inherit}
button.lp-link{background:none;border:0;padding:0;color:inherit}
.lp-shots img{max-height:none;object-fit:contain;object-position:top;background:#fff}
.lp-shot-more{margin-top:16px}
/* hardware */
.lp-hw-media img{border-radius:24px;width:100%}
.lp-specs{margin-top:clamp(40px,6vw,72px);max-width:58rem}
.lp-specs th{width:32%;font-weight:600}
/* brain */
.lp-ranges th[scope=row]{font-weight:600;color:var(--purple)}
.lp-why{list-style:none;padding:0;margin:clamp(40px,6vw,64px) 0 12px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.lp-why li{border-top:2px solid var(--violet);padding-top:14px}
.lp-why p{font-size:.95rem;color:var(--ink2)}
/* states */
.lp-state-grid{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.lp-state{display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}
.lp-state img,.lp-state-orb{width:150px;height:150px;border-radius:16px;object-fit:cover}
.lp-state-orb{display:grid;place-items:center;background:radial-gradient(circle at 50% 45%,var(--violet),var(--deep) 70%);color:#fff;font-weight:600;letter-spacing:.1em;text-transform:uppercase;font-size:.8rem}
.lp-state .lp-eyebrow{margin-bottom:.4rem}
.lp-state p{font-size:.96rem;color:var(--ink2)}
.lp-contexts{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;font-size:.95rem;color:var(--ink2)}
.lp-contexts b{display:block;color:var(--ink)}
/* app */
.lp-app-mods{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-bottom:24px}
.lp-mod{grid-column:span 2;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;display:flex;flex-direction:column}
.lp-mod-lg{grid-column:span 3;display:grid;grid-template-columns:42% 1fr;align-items:center}
.lp-mod>div:last-child{padding:22px}
.lp-mod-img{background:linear-gradient(160deg,var(--pale),var(--silver2));height:100%}
.lp-mod-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.lp-mod-lg .lp-mod-img img{aspect-ratio:3/4}
.lp-mod p{font-size:.96rem;color:var(--ink2)}
/* habit */
.lp-mega{font-size:clamp(2.8rem,7vw,6rem)!important;line-height:.95!important;text-transform:uppercase;letter-spacing:-.045em!important}
.lp-mega span{background:linear-gradient(120deg,var(--purple),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.lp-habit-img{border-radius:24px;max-width:340px;margin-top:20px}
.lp-pull{margin:clamp(40px,6vw,72px) auto 12px;max-width:46rem;font-size:clamp(1.3rem,2.4vw,1.9rem);line-height:1.3;letter-spacing:-.02em;text-align:center;font-weight:500}
.lp-pull cite{display:block;font-size:.9rem;font-style:normal;color:var(--mute);margin-top:12px}
.lp-habit>.lp-cap{text-align:center}
/* value + guarantee */
.lp-vtable tr.is-hfh{background:linear-gradient(90deg,rgba(185,166,236,.22),rgba(169,184,214,.18))}
.lp-vtable tr.is-hfh th{color:var(--purple)}
.lp-value-close{font-size:1.15rem;font-weight:500;max-width:44rem;margin-top:24px}
.lp-guarantee{margin-top:clamp(40px,6vw,64px);display:grid;grid-template-columns:auto 1fr;gap:clamp(24px,4vw,48px);align-items:center;padding:clamp(24px,4vw,44px);border-radius:28px;background:linear-gradient(135deg,var(--deep),#2b1857);color:#fff}
.lp-guarantee p,.lp-guarantee li{color:rgba(255,255,255,.86)}
.lp-guarantee ul{padding-left:1.1em;margin:0 0 .5em;font-size:.95rem}
.lp-guarantee .lp-link{color:#fff}
.lp-seal{width:150px;height:150px;border-radius:50%;border:2px solid var(--violet);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;box-shadow:0 0 0 8px rgba(185,166,236,.15)}
.lp-seal b{font-size:3rem;line-height:1;font-weight:600}
.lp-seal span{font-size:.68rem;letter-spacing:.16em;font-weight:600}
/* packs */
.lp-pack-blocks{list-style:none;padding:0;margin:0 0 24px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.lp-pack-blocks img{border-radius:20px;aspect-ratio:4/3;object-fit:cover;width:100%;margin-bottom:16px}
.lp-pack-blocks p{font-size:.96rem;color:var(--ink2)}
.lp-teams{color:var(--ink2)}
/* founder */
.lp-founder{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(28px,5vw,72px);align-items:start}
.lp-founder-imgs{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:sticky;top:90px}
.lp-founder-imgs img{border-radius:18px;aspect-ratio:3/5;object-fit:cover;width:100%}
.lp-founder-imgs img:nth-child(2){margin-top:40px}
.lp-timeline{list-style:none;padding:0;margin:20px 0 0;counter-reset:t}
.lp-timeline li{border-left:2px solid var(--violet);padding:0 0 18px 20px;position:relative}
.lp-timeline li::before{content:"";position:absolute;left:-6px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--purple)}
.lp-timeline b{display:block}
.lp-timeline p{font-size:.96rem;color:var(--ink2);margin:.2em 0 0}
/* science */
.lp-charts{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;margin-bottom:12px}
.lp-charts figure{margin:0;background:#0f0b1c;border-radius:24px;overflow:hidden;color:#fff}
.lp-charts img{width:100%;aspect-ratio:16/10;object-fit:contain;background:#0f0b1c}
.lp-charts figcaption{padding:20px 22px}
.lp-charts figcaption p{color:rgba(255,255,255,.8);font-size:.95rem}
.lp-charts .lp-eyebrow{color:var(--violet)}
.lp-context{list-style:none;padding:0;margin:32px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.lp-context p{font-size:.95rem;color:var(--ink2)}
.lp-faqsec{max-width:60rem;margin:0 auto}
.lp-final{display:grid;grid-template-columns:auto 1fr;gap:40px;align-items:center}
.lp-final img{max-width:280px;border-radius:24px}
/* dark section adaptations */
.ex-dark .lp-state,.ex-dark .lp-mod{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.ex-dark .lp-state p,.ex-dark .lp-mod p,.ex-dark .lp-why p,.ex-dark .lp-context p,.ex-dark .lp-timeline p,.ex-dark .lp-sec-head p,.ex-dark .lp-contexts,.ex-dark .lp-teams,.ex-dark .lp-pack-blocks p{color:rgba(255,255,255,.78)}
.ex-dark .lp-lede,.ex-dark .lp-cap{color:rgba(255,255,255,.75)}
.ex-dark th,.ex-dark td{border-color:rgba(255,255,255,.14)}
.ex-dark .lp-stats b,.ex-dark .lp-mega span{background:linear-gradient(120deg,#fff,var(--violet));-webkit-background-clip:text;background-clip:text}
.ex-dark .lp-shots figure{background:#fff;color:var(--ink)}
.ex-dark .lp-eyebrow,.ex-dark .lp-grp-more>summary{color:var(--violet)}
.ex-dark .lp-btn-ghost{color:#fff!important;border-color:#fff}
.ex-dark .lp-btn{background:#fff;color:var(--ink)!important}
.ex-dark .lp-contexts b,.ex-dark .lp-vtable tr.is-hfh th{color:#fff}

/* ===== shared buy box ===== */
.hfh-lp main>section.bb{padding:clamp(28px,4vw,56px) clamp(16px,5vw,72px);background:linear-gradient(180deg,#fff,var(--pale));scroll-margin-top:72px}
.bb-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(24px,4vw,64px);max-width:1280px;margin:0 auto;align-items:start}
.bb-media{position:sticky;top:84px}
.bb-main{aspect-ratio:1/1;border-radius:24px;overflow:hidden;background:var(--silver)}
.bb-main img{width:100%;height:100%;object-fit:cover}
.bb-thumbs{list-style:none;padding:0;margin:12px 0 0;display:grid;grid-template-columns:repeat(8,1fr);gap:8px}
.bb-thumb{display:block;width:100%;aspect-ratio:1/1;padding:0;border:2px solid transparent;border-radius:12px;overflow:hidden;cursor:pointer;background:var(--silver)}
.bb-thumb img{width:100%;height:100%;object-fit:cover}
.bb-thumb[aria-pressed=true]{border-color:var(--purple)}
.bb-proofrow{display:grid;grid-template-columns:110px 1fr;gap:12px;margin-top:16px;align-items:stretch}
.bb-vid{aspect-ratio:3/4!important;border-radius:14px!important}
.bb-vid .lp-play{width:38px;height:38px;inset:auto auto 10px 10px}
.bb-vid .lp-play::after{left:15px;top:11px;border-left-width:12px;border-top-width:8px;border-bottom-width:8px}
.bb-proofrow p{display:none}
.bb-shot{margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;display:flex;flex-direction:column;justify-content:center}
.bb-shot img{width:100%;height:auto;object-fit:contain}
.bb-shot figcaption{font-size:.78rem;color:var(--mute);margin-top:6px}
.bb-cue{font-size:.95rem;color:var(--ink2);margin-bottom:.6rem}
.bb-cue small{display:block;color:var(--mute);font-size:.8rem}
.hfh-lp .bb-title{font-size:clamp(2rem,3.4vw,2.9rem);margin-bottom:.3em}
.bb-value{color:var(--ink2);font-size:1.02rem}
.bb-icons{list-style:none;padding:0;margin:0 0 18px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.bb-icons li{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;font-size:.78rem;font-weight:500;color:var(--ink2);padding:10px 4px;border-radius:14px;background:rgba(255,255,255,.7);border:1px solid var(--line)}
.bb-icons svg{color:var(--purple)}
.bb-price{min-height:56px;margin-bottom:12px}
.bb-price strong{font-size:2rem;font-weight:600;letter-spacing:-.03em}
.bb-price s{color:var(--mute);margin-left:6px}
.bb-save{display:inline-block;margin-left:8px;padding:2px 10px;border-radius:999px;background:var(--ink);color:#fff;font-size:.78rem;font-weight:600;vertical-align:middle}
.bb-price small{display:block;font-size:.82rem;color:var(--mute)}
.bb-packs{border:0;padding:0;margin:0 0 16px}
.bb-packs legend{font-weight:600;font-size:.9rem;margin-bottom:8px;padding:0}
.bb-card{position:relative;display:grid;grid-template-columns:auto 64px 1fr auto;gap:12px;align-items:center;padding:12px 14px;margin-bottom:10px;border:1.5px solid var(--line);border-radius:18px;background:#fff;cursor:pointer;transition:border-color .2s,box-shadow .2s}
.bb-card input{width:20px;height:20px;accent-color:var(--purple);margin:0}
.bb-card.is-selected{border-color:var(--purple);box-shadow:0 0 0 3px rgba(91,43,181,.12);background:linear-gradient(90deg,#fff,rgba(185,166,236,.12))}
.bb-card.is-soldout{opacity:.55;cursor:not-allowed}
.bb-card-img{position:relative;width:56px;height:56px;border-radius:12px;overflow:hidden;background:var(--silver)}
.bb-card-img img{width:100%;height:100%;object-fit:cover}
.bb-card-img b{position:absolute;right:2px;bottom:2px;background:var(--ink);color:#fff;font-size:.7rem;border-radius:8px;padding:1px 5px}
.bb-card-txt{display:flex;flex-direction:column;font-size:.82rem;color:var(--mute);line-height:1.35}
.bb-card-txt b{font-size:1.02rem;color:var(--ink)}
.bb-card-price{text-align:right;display:flex;flex-direction:column;font-size:.82rem}
.bb-card-price b{font-size:1.08rem}
.bb-card-price s{color:var(--mute)}
.bb-card-price em{font-style:normal;color:var(--purple);font-weight:600}
.bb-incl{margin-bottom:14px}
.bb-incl p{font-size:.82rem;font-weight:600;margin:0 0 8px;color:var(--ink2)}
.bb-incl ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.bb-incl li{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--ink2);line-height:1.25}
.bb-incl img{width:40px;height:40px;border-radius:10px;object-fit:cover;flex-shrink:0}
.bb-assure{list-style:none;padding:0;margin:0 0 14px;font-size:.85rem;color:var(--ink2)}
.bb-assure li{padding-left:22px;position:relative;margin-bottom:4px}
.bb-assure li::before{content:"✓";position:absolute;left:0;color:var(--purple);font-weight:700}
.bb-cta{width:100%;min-height:56px;border:0;border-radius:999px;background:var(--ink);color:#fff;font:600 1.05rem Inter,sans-serif;cursor:pointer;transition:background .2s}
.bb-cta:hover:not(:disabled){background:var(--purple)}
.bb-cta:disabled{opacity:.6;cursor:not-allowed}
.bb-msg{min-height:1.4em;font-size:.86rem;color:var(--ink2);margin:8px 0 0}
.bb-alt{font-size:.84rem;margin:0 0 10px}
.bb-alt a{color:var(--mute)}
.bb-loading{color:var(--mute);font-size:.9rem}
.bb-error{padding:14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
.bb-acc{margin-top:8px}
.bb-acc summary{min-height:48px!important;font-size:.95rem}
.bb-acc p{font-size:.92rem}
.bb-accessories{font-size:.84rem;color:var(--mute);margin-top:10px}

@media (max-width:900px){
  .lp-split,.lp-founder,.lp-charts,.lp-final{grid-template-columns:1fr}
  .lp-rev>:first-child{order:0}
  .lp-stats ul,.lp-why{grid-template-columns:repeat(2,1fr)}
  .lp-state-grid,.lp-contexts,.lp-pack-blocks,.lp-context{grid-template-columns:1fr}
  .lp-app-mods{grid-template-columns:1fr}
  .lp-mod,.lp-mod-lg{grid-column:auto;grid-template-columns:1fr}
  .lp-mod-lg .lp-mod-img img{aspect-ratio:4/3}
  .lp-founder-imgs{position:static}
  .lp-guarantee{grid-template-columns:1fr;justify-items:start}
  .bb-wrap{grid-template-columns:1fr}
  .bb-media{position:static}
  .bb-thumbs{grid-template-columns:repeat(8,minmax(0,1fr));gap:5px}
  .bb-thumb{border-radius:8px}
}
@media (max-width:520px){
  .lp-state{grid-template-columns:96px 1fr;gap:14px;padding:14px}
  .lp-state img,.lp-state-orb{width:96px;height:96px}
  .bb-icons{grid-template-columns:repeat(2,1fr)}
  .bb-icons li{flex-direction:row;text-align:left;justify-content:flex-start;padding:8px 10px}
  .bb-card{grid-template-columns:auto 48px 1fr auto;gap:10px;padding:10px 12px}
  .bb-card-img{width:48px;height:48px}
  .bb-incl ul{grid-template-columns:1fr}
  .bb-proofrow{grid-template-columns:90px 1fr}
  .lp-seal{width:110px;height:110px}.lp-seal b{font-size:2.2rem}
}
.lp-split>*,.bb-wrap>*,.lp-founder>*,.lp-charts>*{min-width:0}