/* UNDERPRESSURE — underpressure.suur.io
   Dark-only, mirrors the iOS app's design tokens (Design/UPColors, UPFont, UPSpacing). */

@font-face{font-family:"DM Sans";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/DMSans-Regular.woff2) format("woff2")}
@font-face{font-family:"DM Sans";font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/DMSans-Medium.woff2) format("woff2")}
@font-face{font-family:"DM Sans";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/DMSans-Bold.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/JetBrainsMono-Regular.woff2) format("woff2")}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/JetBrainsMono-Bold.woff2) format("woff2")}
@font-face{font-family:"DM Mono";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/DMMono-Regular.woff2) format("woff2")}
@font-face{font-family:"DM Mono";font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/DMMono-Medium.woff2) format("woff2")}

:root{
  --void:#06080F;
  --surface:#0F1320;
  --surface-2:#141a2a;
  --border:rgba(232,236,241,.12);
  --border-strong:rgba(232,236,241,.22);
  --text:#E8ECF1;
  --muted:#9CA7BA;
  --dim:#6B7A8F;
  --teal:#00C9A7;
  --teal-soft:rgba(0,201,167,.14);
  --red:#FF3D3D;
  --red-soft:rgba(255,61,61,.14);
  --amber:#FFB020;
  --amber-soft:rgba(255,176,32,.14);
  --sans:"DM Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --label:"DM Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:16px;
  --radius-sm:10px;
  --container:1120px;
  --gutter:24px;
  --section:clamp(80px,12vw,136px);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:88px}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;background:var(--void);color:var(--text);font-family:var(--sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:4px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.08;text-wrap:balance}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px}
::selection{background:rgba(0,201,167,.35);color:#fff}

.num{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum","zero"}
.eyebrow{font-family:var(--label);font-weight:500;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.eyebrow.teal{color:var(--teal)}
.eyebrow.red{color:var(--red)}
.eyebrow.amber{color:var(--amber)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.tight{max-width:760px}
.section{padding:var(--section) 0;position:relative}
.section + .section{border-top:1px solid var(--border)}
.section-head{max-width:720px;margin-bottom:clamp(40px,6vw,64px)}
.section-head h2{font-size:clamp(30px,4.6vw,48px);margin-top:16px}
.section-head p{margin-top:20px;font-size:18px;color:var(--muted);max-width:60ch}
.lead{font-size:clamp(20px,2.6vw,26px);line-height:1.4;letter-spacing:-.01em}
.muted{color:var(--muted)}
.dim{color:var(--dim)}
.skip{position:absolute;left:-9999px;top:0;background:var(--teal);color:var(--void);padding:12px 16px;z-index:100;font-weight:500}
.skip:focus{left:16px;top:16px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:12px;font-weight:500;font-size:16px;line-height:1;border:1px solid transparent;transition:transform .2s var(--ease-out),background .2s,border-color .2s,color .2s;white-space:nowrap;cursor:pointer}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--teal);color:var(--void)}
.btn-primary:hover{background:#19dcb9}
.btn-secondary{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn-secondary:hover{border-color:var(--text);background:rgba(232,236,241,.04)}
.btn-ghost{color:var(--muted);padding-left:6px;padding-right:6px}
.btn-ghost:hover{color:var(--text)}
.btn-store{background:var(--text);color:var(--void);padding:11px 18px 11px 14px;gap:10px;border-radius:12px}
.btn-store:hover{background:#fff}
.btn-store svg{width:22px;height:22px;flex:none}
.btn-store .store-text{display:flex;flex-direction:column;text-align:left;line-height:1.05}
.btn-store .store-text small{font-size:10px;font-weight:500;letter-spacing:.02em;opacity:.7}
.btn-store .store-text span{font-size:16px;font-weight:700;letter-spacing:-.01em}
.btn-store.large{padding:14px 24px 14px 18px}
.btn-store.large svg{width:28px;height:28px}
.btn-store.large .store-text small{font-size:11px}
.btn-store.large .store-text span{font-size:20px}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);background:rgba(6,8,15,.72);border-bottom:1px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--border)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:700;letter-spacing:.08em;font-size:14px}
.brand:hover{text-decoration:none}
.brand-mark{width:32px;height:32px;border-radius:8px;overflow:hidden;flex:none;background:#0a0d17;border:1px solid var(--border)}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a{color:inherit}
.nav-links a:hover{color:var(--text);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:12px}
@media (max-width:860px){.nav-links{display:none}}
@media (max-width:480px){.brand span{display:none}}

/* ---------- hero ---------- */
.hero{position:relative;padding:clamp(56px,9vw,112px) 0 clamp(64px,9vw,120px);overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero-bg .glow{position:absolute;width:900px;height:900px;border-radius:50%;filter:blur(120px);opacity:.28}
.hero-bg .glow.teal{background:var(--teal);right:-340px;top:-260px}
.hero-bg .glow.red{background:var(--red);left:-460px;bottom:-520px;opacity:.14}
.hero-bg .grid{position:absolute;inset:0;background-image:linear-gradient(rgba(232,236,241,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(232,236,241,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 100%);-webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 30%,transparent 100%)}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.hero h1{font-size:clamp(38px,6vw,72px);margin-top:24px;letter-spacing:-.03em}
.hero h1 .accent{color:var(--teal)}
.hero .sub{margin-top:24px;font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:52ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:36px}
.hero-note{margin-top:18px;font-family:var(--label);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
.stats{display:grid;grid-template-columns:repeat(4,auto);gap:clamp(24px,4vw,48px);margin-top:clamp(40px,5vw,64px);justify-content:start}
.stat .v{font-family:var(--mono);font-weight:700;font-size:clamp(28px,3vw,40px);line-height:1;color:var(--text);font-feature-settings:"tnum","zero"}
.stat .k{margin-top:8px;font-family:var(--label);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}

.hero-visual{position:relative;display:flex;justify-content:center;min-height:560px}
.ecg{position:absolute;left:50%;top:50%;width:140%;transform:translate(-50%,-50%);opacity:.9;pointer-events:none}
.ecg path{fill:none;stroke:var(--teal);stroke-width:3;stroke-linejoin:round;stroke-linecap:round;filter:drop-shadow(0 0 10px rgba(0,201,167,.55))}
.ecg .shadow{stroke:rgba(255,61,61,.5);filter:none;stroke-width:2.5;transform:translateY(22px)}

.phone{position:relative;width:min(300px,78vw);aspect-ratio:1320/2868;border-radius:14.5%/6.7%;padding:2.9%;background:#0b0e17;border:1px solid rgba(255,255,255,.14);box-shadow:0 50px 120px rgba(0,0,0,.65),0 0 0 1px rgba(0,0,0,.6),inset 0 0 0 1px rgba(255,255,255,.05);isolation:isolate}
.phone::after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(160deg,rgba(255,255,255,.08),transparent 40%);pointer-events:none}
.phone img{width:100%;height:100%;object-fit:cover;border-radius:12.5%/5.8%;background:#06080F}
.phone.small{width:min(240px,70vw)}

.float-card{position:absolute;background:rgba(15,19,32,.92);border:1px solid var(--border-strong);border-radius:12px;padding:12px 14px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 20px 50px rgba(0,0,0,.5);display:flex;flex-direction:column;gap:6px;min-width:168px}
.float-card .fl{font-family:var(--label);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.float-card .fv{font-family:var(--mono);font-weight:700;font-size:20px;line-height:1;font-feature-settings:"tnum","zero"}
.float-card .fs{font-size:12px;color:var(--muted)}
.float-card.a{left:-14%;top:22%}
.float-card.b{right:-12%;bottom:24%}
.float-card .bar{height:4px;border-radius:2px;background:rgba(232,236,241,.1);overflow:hidden}
.float-card .bar i{display:block;height:100%;width:0;background:var(--teal);border-radius:2px;transition:width 1.2s var(--ease-out) .6s}
.in .float-card .bar i{width:78%}
@media (prefers-reduced-motion:no-preference){
  .float-card.a{animation:floatA 7s ease-in-out infinite}
  .float-card.b{animation:floatB 8s ease-in-out infinite}
  @keyframes floatA{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
  @keyframes floatB{0%,100%{transform:translateY(0)}50%{transform:translateY(8px)}}
}
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr}
  .hero-visual{min-height:0;margin-top:24px}
  .float-card.a{left:0}
  .float-card.b{right:0}
  .stats{grid-template-columns:repeat(2,auto);justify-content:space-between}
}
@media (max-width:420px){
  .float-card{min-width:0;padding:10px 12px}
  .float-card .fv{font-size:16px}
}

/* ---------- gray zone ---------- */
.zone-table{margin-top:clamp(32px,4vw,48px);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.zone-row{display:grid;grid-template-columns:1.1fr 1.4fr 1.4fr;gap:16px;padding:18px 24px;align-items:center;border-top:1px solid var(--border);font-size:15px}
.zone-row:first-child{border-top:0;background:rgba(232,236,241,.03)}
.zone-row .z{font-family:var(--label);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.zone-row .r{font-family:var(--mono);font-weight:700;font-size:17px;font-feature-settings:"tnum","zero"}
.zone-row .w{color:var(--muted)}
.zone-row.here{box-shadow:inset 3px 0 0 var(--teal)}
.zone-row.here .w{color:var(--teal)}
.zone-row.doc{box-shadow:inset 3px 0 0 var(--amber)}
.zone-row.doc .w{color:var(--amber)}
.zone-row.er{box-shadow:inset 3px 0 0 var(--red)}
.zone-row.er .w{color:var(--red)}
.zone-foot{padding:14px 24px;border-top:1px solid var(--border);font-family:var(--label);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim)}
@media (max-width:640px){.zone-row{grid-template-columns:1fr 1fr;row-gap:6px}.zone-row .w{grid-column:1/-1}}

/* ---------- protocol ---------- */
.protocol-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(32px,5vw,72px);align-items:start}
.phases{display:grid;gap:14px;counter-reset:phase}
.phase{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px 22px 28px;display:grid;grid-template-columns:auto 1fr;gap:20px;transition:border-color .25s,transform .35s var(--ease-out)}
.phase:hover{border-color:var(--border-strong)}
.phase::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--teal);opacity:.9}
.phase[data-week="2"]::before{background:var(--teal)}
.phase[data-week="3"]::before{background:var(--amber)}
.phase[data-week="4"]::before{background:var(--red)}
.phase .wk{font-family:var(--mono);font-weight:700;font-size:13px;line-height:1;color:var(--dim);padding-top:6px;min-width:56px;font-feature-settings:"tnum","zero"}
.phase .wk b{display:block;font-size:22px;color:var(--text);margin-top:4px}
.phase h3{font-size:20px;letter-spacing:.06em;text-transform:uppercase;font-family:var(--label);font-weight:500}
.phase .ph-sub{margin-top:6px;color:var(--muted);font-size:15px}
.levers{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.lever{font-family:var(--label);font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:6px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:rgba(232,236,241,.02);display:inline-flex;align-items:center;gap:7px}
.lever::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--dim)}
.lever.exercise::before,.lever.recovery::before{background:var(--teal)}
.lever.breathing::before{background:#5aa9ff}
.lever.supplement::before{background:var(--amber)}
.lever.nutrition::before,.lever.lifestyle::before{background:#c17dff}
.lever.cond{border-style:dashed}
.legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-family:var(--label);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:8px;height:8px;border-radius:50%;display:inline-block}
.protocol-visual{position:sticky;top:96px;display:flex;flex-direction:column;align-items:center;gap:20px}
.protocol-visual .caption{font-family:var(--label);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);text-align:center}
@media (max-width:900px){.protocol-grid{grid-template-columns:1fr}.protocol-visual{position:static;order:-1}}

/* ---------- features ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:center;padding:clamp(48px,6vw,88px) 0}
.feature + .feature{border-top:1px solid var(--border)}
.feature:nth-child(even) .feature-visual{order:-1}
.feature h3{font-size:clamp(26px,3.4vw,38px);margin-top:14px}
.feature p{margin-top:18px;color:var(--muted);font-size:17px;max-width:52ch}
.feature ul{margin-top:22px;display:grid;gap:12px}
.feature li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;color:var(--text);font-size:15px}
.feature li::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--teal-soft);border:1px solid rgba(0,201,167,.4);margin-top:3px;flex:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.5 8.5l3 3 6-6' fill='none' stroke='%2300C9A7' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-size:12px;background-repeat:no-repeat;background-position:center}
.feature li span{color:var(--muted)}
.feature li b{color:var(--text);font-weight:500}
.feature-visual{display:flex;justify-content:center;gap:18px;position:relative}
.feature-visual .phone{flex:none}
.feature-visual.duo .phone{width:min(220px,42vw)}
.feature-visual.duo .phone:last-child{transform:translateY(40px)}
@media (max-width:820px){
  .feature{grid-template-columns:1fr}
  .feature:nth-child(even) .feature-visual{order:0}
  .feature-visual{order:-1}
}

/* ---------- also grid ---------- */
.also{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.also .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.also .card .ic{width:36px;height:36px;border-radius:10px;background:var(--teal-soft);display:grid;place-items:center;color:var(--teal);margin-bottom:16px}
.also .card h4{font-size:16px;letter-spacing:-.01em}
.also .card p{margin-top:8px;font-size:14px;color:var(--muted)}
@media (max-width:900px){.also{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.also{grid-template-columns:1fr}}

/* ---------- science ---------- */
.science-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.study{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px;display:grid;gap:10px;transition:border-color .25s}
.study:hover{border-color:var(--border-strong)}
.study .tag{display:inline-flex;gap:8px;align-items:center;font-family:var(--label);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.study .tag i{width:6px;height:6px;border-radius:50%;background:currentColor}
.study h4{font-size:17px;letter-spacing:-.01em;line-height:1.3}
.study p{font-size:14px;color:var(--muted)}
.study .cite{font-family:var(--label);font-size:12px;color:var(--dim);letter-spacing:.02em}
.study .cite a{color:var(--muted)}
.study .stat-line{font-family:var(--mono);font-weight:700;font-size:22px;color:var(--text);font-feature-settings:"tnum","zero"}
.study .stat-line small{font-family:var(--label);font-weight:500;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);margin-left:8px}
@media (max-width:720px){.science-grid{grid-template-columns:1fr}}
.disclaimer{margin-top:28px;border:1px solid var(--border);border-left:3px solid var(--red);border-radius:var(--radius-sm);padding:16px 20px;font-size:14px;color:var(--muted);background:var(--surface)}
.disclaimer b{color:var(--text);font-weight:500}

/* ---------- privacy ---------- */
.privacy-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.receipt{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;font-family:var(--mono);font-size:14px;box-shadow:0 30px 80px rgba(0,0,0,.45)}
.receipt .rh{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;border-bottom:1px solid var(--border);font-family:var(--label);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.receipt .rh b{color:var(--teal);font-weight:500}
.receipt .rr{display:grid;grid-template-columns:1fr auto;gap:16px;padding:12px 20px;border-top:1px solid rgba(232,236,241,.06);color:var(--muted)}
.receipt .rr:first-of-type{border-top:0}
.receipt .rr b{font-weight:700;color:var(--text);font-feature-settings:"tnum","zero"}
.receipt .rr b.teal{color:var(--teal)}
.receipt .rr b.red{color:var(--red)}
.receipt .rf{padding:14px 20px;border-top:1px solid var(--border);font-family:var(--label);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.privacy-copy h2{font-size:clamp(30px,4.2vw,44px);margin-top:16px}
.privacy-copy p{margin-top:20px;color:var(--muted);font-size:17px}
.privacy-copy .label-pill{display:inline-flex;align-items:center;gap:10px;margin-top:26px;padding:10px 14px;border-radius:999px;border:1px solid rgba(0,201,167,.4);background:var(--teal-soft);font-family:var(--label);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal)}
@media (max-width:860px){.privacy-grid{grid-template-columns:1fr}}

/* ---------- pricing ---------- */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch}
.plan{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:30px;display:flex;flex-direction:column;gap:22px;position:relative}
.plan.pro{border-color:rgba(0,201,167,.45);box-shadow:0 0 0 1px rgba(0,201,167,.15),0 30px 80px rgba(0,201,167,.08)}
.plan .pn{font-family:var(--label);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim)}
.plan.pro .pn{color:var(--teal)}
.plan .price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.plan .price .amt{font-family:var(--mono);font-weight:700;font-size:44px;line-height:1;font-feature-settings:"tnum","zero"}
.plan .price .per{color:var(--muted);font-size:15px}
.plan .alt{font-family:var(--label);font-size:12px;letter-spacing:.06em;color:var(--dim);margin-top:-10px}
.plan .alt b{color:var(--muted);font-weight:500}
.plan ul{display:grid;gap:10px;font-size:15px;color:var(--muted)}
.plan li{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:start}
.plan li::before{content:"—";color:var(--dim)}
.plan.pro li::before{content:"+";color:var(--teal);font-weight:700}
.plan .trial{position:absolute;top:-13px;right:22px;background:var(--teal);color:var(--void);font-family:var(--label);font-size:11px;letter-spacing:.12em;text-transform:uppercase;padding:6px 10px;border-radius:999px;font-weight:500}
.plan .spacer{flex:1}
.plan .fine{font-size:12px;color:var(--dim);line-height:1.5}
@media (max-width:720px){.plans{grid-template-columns:1fr}}

/* ---------- faq ---------- */
.faq{display:grid;gap:10px;max-width:800px}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:0 22px;transition:border-color .25s}
.faq details[open]{border-color:var(--border-strong)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 0;font-weight:500;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--dim);font-size:20px;transition:transform .25s var(--ease-out);flex:none}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--teal)}
.faq .ans{padding:0 0 20px;color:var(--muted);font-size:16px;max-width:64ch}

/* ---------- final CTA ---------- */
.final{position:relative;overflow:hidden;text-align:center;padding:clamp(88px,12vw,150px) 0}
.final .glow{position:absolute;left:50%;top:50%;width:900px;height:500px;transform:translate(-50%,-50%);background:radial-gradient(ellipse at center,rgba(0,201,167,.18),transparent 65%);pointer-events:none}
.final .icon{width:88px;height:88px;border-radius:22px;margin:0 auto 28px;overflow:hidden;border:1px solid var(--border-strong);box-shadow:0 30px 70px rgba(0,0,0,.6)}
.final h2{font-size:clamp(32px,5vw,56px);position:relative}
.final p{margin:20px auto 0;color:var(--muted);font-size:18px;max-width:46ch;position:relative}
.final .hero-cta{justify-content:center;position:relative}
.final .echo{margin-top:40px;font-family:var(--label);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);position:relative}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--border);padding:44px 0 56px;font-size:14px;color:var(--dim)}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}
.footer-links{display:flex;flex-wrap:wrap;gap:20px}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--text)}
.footer .legal{margin-top:20px;max-width:78ch;line-height:1.6}
.footer .made{font-family:var(--label);font-size:11px;letter-spacing:.12em;text-transform:uppercase;text-align:right}
@media (max-width:640px){.footer-inner{grid-template-columns:1fr}.footer .made{text-align:left}}

/* ---------- reveal ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
  .js .reveal.in{opacity:1;transform:none}
  .reveal[data-delay="1"]{transition-delay:.08s}
  .reveal[data-delay="2"]{transition-delay:.16s}
  .reveal[data-delay="3"]{transition-delay:.24s}
  .reveal[data-delay="4"]{transition-delay:.32s}
  .js .ecg path.line{stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 2.4s var(--ease-out) .2s forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
}

/* ---------- legal / doc pages ---------- */
.doc{max-width:760px;margin:0 auto;padding:clamp(40px,6vw,72px) var(--gutter) 96px}
.doc h1{font-size:clamp(32px,4.5vw,44px);margin-top:14px}
.doc .meta{margin-top:10px;font-family:var(--label);font-size:12px;letter-spacing:.06em;color:var(--dim)}
.doc h2{font-size:20px;margin:40px 0 10px;letter-spacing:-.01em}
.doc h3{font-size:16px;margin:26px 0 6px}
.doc p,.doc li{color:var(--muted);font-size:16px}
.doc p + p{margin-top:12px}
.doc ul{padding-left:20px;list-style:disc;display:grid;gap:6px;margin-top:10px}
.doc strong{color:var(--text);font-weight:500}
.doc .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;margin:22px 0}
.doc .card.alert{border-left:3px solid var(--red)}
.doc .card p + p{margin-top:12px}
.doc table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
.doc th,.doc td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top;color:var(--muted)}
.doc th{color:var(--text);font-weight:500}
.doc-nav{display:flex;gap:20px;font-family:var(--label);font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.doc-nav a{color:var(--dim)}
.doc-nav a[aria-current]{color:var(--teal)}
.doc-foot{margin-top:56px;padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--dim)}

/* ---------- polish pass (mobile order, wrapping) ---------- */
.final .echo{max-width:none;line-height:1.8}
.receipt .rh{flex-wrap:wrap;gap:6px 16px}
@media (max-width:820px){
  .feature .feature-visual,.feature:nth-child(even) .feature-visual{order:1}
}
@media (max-width:640px){
  .zone-row:first-child .w{display:none}
}
@media (max-width:480px){
  .brand span{display:inline;font-size:12px;letter-spacing:.06em}
  .nav .btn-store{padding:9px 12px 9px 10px}
  .nav .btn-store .store-text small{display:none}
  .nav .btn-store .store-text span{font-size:14px}
}