/* ============================================================
   KYU — Landing SaaS · Design System (light theme · lime + black)
   Type: Bricolage Grotesque (display) + DM Sans (body)
   Accent is tweakable: lime #C6FF33 / violet #7D39EB / teal #3E5F59
   ============================================================ */

:root{
  /* brand palette */
  --lime:#C6FF33;
  --violet:#7D39EB;
  --teal:#3E5F59;

  /* accent (driven by Tweaks) */
  --accent:#C6FF33;
  --accent-ink:#0c0c0c;     /* text/icon color that sits on the accent fill */
  --accent-soft:rgba(198,255,51,.16);
  --accent-line:rgba(198,255,51,.55);

  /* neutrals */
  --black:#000000;
  --ink:#111111;
  --ink-2:#3a3a36;
  --ink-soft:#6a6a63;
  --paper:#ffffff;
  --bg:#f7f4ec;
  --bg-2:#efe9dc;
  --line:rgba(17,17,17,.12);
  --line-2:rgba(17,17,17,.07);

  /* on-dark */
  --d-ink:#f4f4ef;
  --d-soft:#a3a39c;
  --d-line:rgba(255,255,255,.14);
  --d-card:#161616;
  --d-card-2:#1d1d1d;

  /* type */
  --font-display:"Bricolage Grotesque", system-ui, sans-serif;
  --font-body:"DM Sans", system-ui, sans-serif;

  /* radius */
  --r-sm:12px;
  --r:18px;
  --r-lg:28px;
  --pill:999px;

  /* spacing rhythm */
  --pad:clamp(20px,5vw,120px);
  --gap:clamp(64px,9vw,140px);

  --shadow-sm:0 1px 2px rgba(17,17,17,.06), 0 4px 14px rgba(17,17,17,.05);
  --shadow:0 12px 40px rgba(17,17,17,.10);
  --shadow-lg:0 30px 80px rgba(17,17,17,.16);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-size:18px;
  line-height:1.55;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--accent);color:var(--accent-ink)}

/* ---------- layout ---------- */
.wrap{max-width:1240px;margin:0 auto;padding-inline:var(--pad)}
section{position:relative}
.section{padding-block:var(--gap)}
.dark{background:var(--black);color:var(--d-ink)}
.dark .muted{color:var(--d-soft)}
.muted{color:var(--ink-soft)}

/* ---------- type scale ---------- */
.display{
  font-family:var(--font-display);
  font-weight:800;
  line-height:.98;
  letter-spacing:-.02em;
  text-wrap:balance;
  margin:0;
}
h1.display{font-size:clamp(2.6rem,6.6vw,5.4rem)}
h2.display{font-size:clamp(2.1rem,4.6vw,3.7rem)}
h3.display{font-size:clamp(1.5rem,2.6vw,2.1rem)}
.lede{font-size:clamp(1.05rem,1.5vw,1.3rem);line-height:1.5;color:var(--ink-soft);max-width:34ch;margin:0}
.dark .lede{color:var(--d-soft)}

.eyebrow{
  font-family:var(--font-body);
  font-weight:600;
  font-size:.82rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--ink-soft);
  display:inline-flex;align-items:center;gap:10px;
  margin:0 0 22px;
}
.eyebrow::before{
  content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;
}
.dark .eyebrow{color:var(--d-soft)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--font-body);font-weight:700;font-size:1rem;
  padding:15px 26px;border-radius:var(--pill);border:1.5px solid transparent;
  transition:transform .18s cubic-bezier(.3,.7,.4,1), box-shadow .25s, background .2s, color .2s, border-color .2s;
  white-space:nowrap;line-height:1;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 8px 22px var(--accent-soft)}
.btn-primary:hover{box-shadow:0 14px 30px var(--accent-soft)}
.btn-dark{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(17,17,17,.03)}
.dark .btn-ghost{color:var(--d-ink);border-color:var(--d-line)}
.dark .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.btn-lg{padding:18px 32px;font-size:1.08rem}
.btn svg{width:18px;height:18px}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--pill);
  border:1px solid var(--line);font-size:.85rem;font-weight:600;color:var(--ink-2);
  background:var(--paper);
}
.dark .chip{border-color:var(--d-line);background:transparent;color:var(--d-ink)}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:100;
  background:#000;
  border-bottom:1px solid transparent;
  transition:background .25s, border-color .25s, backdrop-filter .25s;
}
.nav.scrolled{
  background:rgba(0,0,0,.72);
  -webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);
  border-bottom-color:var(--d-line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px}
.brand img.iso{height:34px;width:34px;border-radius:50%}
.brand img.word{height:25px}
.nav-links{display:flex;gap:30px;margin-left:18px}
.nav-links a{font-size:.96rem;font-weight:500;color:var(--d-soft);transition:color .15s}
.nav-links a:hover{color:var(--d-ink)}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-cta .btn{padding:11px 20px;font-size:.95rem}
.nav-burger{display:none;background:none;border:0;color:var(--d-ink);padding:8px}

/* ---------- HERO ---------- */
.hero{background:var(--black);color:var(--d-ink);overflow:hidden;padding-block:clamp(56px,8vw,104px) clamp(56px,8vw,96px)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 78% 18%, var(--accent-soft), transparent 70%);
  opacity:.9;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,80px);align-items:center}
.hero h1{margin-bottom:26px}
.hero h1 .hl{color:var(--accent)}
.hero .lede{max-width:42ch;font-size:clamp(1.1rem,1.5vw,1.35rem);margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-trust{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:var(--d-soft);font-size:.9rem}
.logo-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}

/* ---------- phone mockup ---------- */
.phone{
  position:relative;width:300px;aspect-ratio:300/620;
  background:#0a0a0a;border-radius:46px;padding:13px;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow-lg), inset 0 0 0 2px rgba(255,255,255,.04);
}
.phone::after{content:"";position:absolute;top:22px;left:50%;transform:translateX(-50%);width:108px;height:26px;background:#000;border-radius:14px;z-index:3}
.phone-screen{position:relative;height:100%;width:100%;background:#0c0c0c;border-radius:34px;overflow:hidden;color:#f4f4ef;display:flex;flex-direction:column}
.phone-shot{width:100%;height:100%;object-fit:cover;object-position:top center;display:block}
.hero .phone{margin-inline:auto;rotate:2.5deg}

/* mini app screen used inside phones */
.app{padding:46px 20px 22px;display:flex;flex-direction:column;height:100%;gap:16px}
.app-top{display:flex;align-items:center;justify-content:space-between}
.app-top img{height:18px}
.app-bell{width:30px;height:30px;border-radius:50%;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center}
.app-bell span{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.app-merchant{font-family:var(--font-display);font-weight:700;font-size:1.05rem}
.app-sub{font-size:.78rem;color:#9a9a93;margin-top:2px}
.ring-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.ring{position:relative;width:170px;height:170px}
.ring svg{transform:rotate(-90deg)}
.ring-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-num b{font-family:var(--font-display);font-size:3.4rem;font-weight:800;line-height:1;color:var(--accent)}
.ring-num small{font-size:.74rem;color:#9a9a93;letter-spacing:.04em;text-transform:uppercase;margin-top:6px}
.app-status{text-align:center;font-size:.86rem;color:#cfcfca}
.app-eta{display:flex;justify-content:center;gap:8px;margin-top:2px;white-space:nowrap}
.app-eta b{color:var(--accent)}
.app-btn{margin-top:auto;background:var(--accent);color:#0c0c0c;font-weight:700;text-align:center;padding:14px;border-radius:var(--pill);font-size:.95rem}

/* ---------- generic grids ---------- */
.head{max-width:60ch;margin-bottom:clamp(36px,5vw,64px)}
.head.center{margin-inline:auto;text-align:center}
.head .lede{max-width:48ch;margin-top:16px}
.head.center .lede{margin-inline:auto}
.eyebrow + h2.display{margin-top:0}

.grid{display:grid;gap:22px}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-2{grid-template-columns:repeat(2,1fr)}

.card{
  background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-sm);transition:transform .25s, box-shadow .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card h3{font-family:var(--font-display);font-weight:700;font-size:1.32rem;margin:18px 0 8px;letter-spacing:-.01em}
.card p{margin:0;color:var(--ink-soft);font-size:1rem}

/* abstract geometric icon mark */
.mark{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--accent-soft);border:1px solid var(--accent-line)}
.mark svg{width:24px;height:24px;color:var(--ink)}

/* ---------- problem section ---------- */
.problem{background:var(--bg-2)}
.stat-num{font-family:var(--font-display);font-weight:800;font-size:clamp(2.4rem,4vw,3.4rem);line-height:1;letter-spacing:-.02em}
.stat-num .u{color:var(--accent);-webkit-text-stroke:0}
.stat-lbl{color:var(--ink-soft);font-size:.98rem;margin-top:8px;max-width:24ch}

/* ---------- how it works ---------- */
.steps{counter-reset:step;display:grid;gap:26px;grid-template-columns:repeat(3,1fr)}
.step{position:relative;padding-top:30px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--font-display);font-weight:800;font-size:1rem;
  color:var(--accent-ink);background:var(--accent);
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  margin-bottom:20px;
}
.step h3{font-family:var(--font-display);font-weight:700;font-size:1.3rem;margin:0 0 8px;letter-spacing:-.01em}
.step p{margin:0;color:var(--ink-soft)}
.dark .step p{color:var(--d-soft)}
.step .tick{position:absolute;top:51px;left:58px;right:-12px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 7px,transparent 7px 14px)}
.step:last-child .tick{display:none}

/* ---------- split (solution) ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.feat-list{display:flex;flex-direction:column;gap:22px;margin-top:30px}
.feat{display:flex;gap:16px;align-items:flex-start}
.feat .fmark{flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--ink)}
.dark .feat .fmark{color:var(--d-ink)}
.feat .fmark svg{width:19px;height:19px}
.feat h4{margin:2px 0 4px;font-size:1.08rem;font-weight:700}
.feat p{margin:0;color:var(--ink-soft);font-size:.98rem}
.dark .feat p{color:var(--d-soft)}

/* ---------- use cases ---------- */
.uc-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px;justify-content:center}
.uc-tab{
  padding:11px 20px;border-radius:var(--pill);border:1px solid var(--line);
  background:var(--paper);font-weight:600;font-size:.96rem;color:var(--ink-2);
  transition:all .18s;
}
.uc-tab[aria-selected="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.uc-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,70px);align-items:center}
.uc-copy h3{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,3vw,2.6rem);letter-spacing:-.02em;margin:0 0 14px}
.uc-copy p{color:var(--ink-soft);font-size:1.08rem;margin:0 0 22px;max-width:42ch}
.uc-points{display:flex;flex-direction:column;gap:12px;margin:0;padding:0;list-style:none}
.uc-points li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.uc-points li::before{content:"";flex:none;width:22px;height:22px;border-radius:50%;background:var(--accent-soft);border:1px solid var(--accent-line);margin-top:2px;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23111' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");background-size:13px;background-repeat:no-repeat;background-position:center}

/* ---------- placeholder media ---------- */
.ph{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:
    repeating-linear-gradient(135deg, rgba(17,17,17,.045) 0 12px, transparent 12px 24px),
    var(--bg-2);
  border:1px dashed rgba(17,17,17,.22);
  display:grid;place-items:center;min-height:280px;
}
.dark .ph{background:repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 12px, transparent 12px 24px), #131313;border-color:rgba(255,255,255,.18)}
.ph .ph-tag{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;color:var(--ink-soft);background:var(--paper);padding:7px 12px;border-radius:8px;border:1px solid var(--line);letter-spacing:.02em}
.dark .ph .ph-tag{background:#1b1b1b;color:var(--d-soft);border-color:var(--d-line)}
.capture-shot{display:block;width:100%;height:auto;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);border:1px solid var(--line)}
.dark .capture-shot{border-color:var(--d-line)}

/* ---------- product captures ---------- */
.captures{background:var(--black);color:var(--d-ink)}
.phones-row{display:flex;gap:clamp(18px,3vw,40px);justify-content:center;align-items:flex-end;flex-wrap:wrap}
.phones-row .phone{width:248px}
.phones-row .phone.mid{rotate:0deg;z-index:2}
.phones-row .phone.l{rotate:-5deg;margin-bottom:18px}
.phones-row .phone.r{rotate:5deg;margin-bottom:18px}

/* generic app list screen */
.app-list{padding:46px 16px 16px;display:flex;flex-direction:column;gap:12px;height:100%}
.app-search{height:40px;border-radius:var(--pill);border:1px solid rgba(255,255,255,.14);display:flex;align-items:center;padding:0 16px;color:#7e7e77;font-size:.82rem;gap:8px}
.app-map{height:120px;border-radius:16px;background:linear-gradient(135deg,#1c1c1c,#141414);border:1px solid var(--accent-line);position:relative;overflow:hidden}
.app-map::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px),repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 22px)}
.app-map .pin{position:absolute;width:18px;height:18px;border-radius:50% 50% 50% 0;background:var(--accent);rotate:-45deg;top:42%;left:46%;z-index:2}
.app-sectit{font-size:.82rem;font-weight:700;color:#cfcfca;margin-top:4px}
.app-place{border-radius:14px;overflow:hidden;background:#161616;border:1px solid rgba(255,255,255,.08)}
.app-place .thumb{height:64px;background:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 10px,transparent 10px 20px),#1d1d1d}
.app-place .meta{padding:9px 12px}
.app-place .meta b{font-size:.84rem}
.app-place .meta .row{display:flex;gap:6px;margin-top:6px}
.app-place .meta .tag{font-size:.64rem;border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:3px 8px;color:#9a9a93}

/* confirmation screen */
.app-ok{align-items:center;text-align:center;justify-content:center}
.app-ok .check{width:74px;height:74px;border-radius:50%;background:var(--accent);display:grid;place-items:center;margin-bottom:6px}
.app-ok .check svg{width:38px;height:38px;color:#0c0c0c}
.app-ok h4{font-family:var(--font-display);font-size:1.2rem;margin:6px 14px 0;line-height:1.15}
.app-ok p{font-size:.8rem;color:#9a9a93;margin:8px 18px 0}

/* ---------- download / stores ---------- */
.download{background:var(--accent);color:var(--accent-ink);overflow:hidden}
.download .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,5vw,72px);align-items:center}
.download h2{margin:0 0 14px;color:var(--accent-ink)}
.download .lede{color:var(--accent-ink);opacity:.78;max-width:40ch;margin:0 0 30px}
.stores{display:flex;gap:14px;flex-wrap:wrap}
.store{display:inline-flex;align-items:center;gap:13px;background:#000;color:#fff;
  border-radius:15px;padding:13px 22px;transition:transform .18s cubic-bezier(.3,.7,.4,1),box-shadow .25s}
.store:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.22)}
.store .si{width:26px;height:26px;flex:none;color:#fff}
.store .si svg{width:100%;height:100%}
.store .st{display:flex;flex-direction:column;line-height:1.1}
.store .st small{font-size:.66rem;letter-spacing:.04em;opacity:.7}
.store .st b{font-family:var(--font-display);font-weight:700;font-size:1.12rem;letter-spacing:-.01em}
.download .qr-wrap{display:flex;justify-content:center}
.qr-card{background:#fff;border-radius:var(--r-lg);padding:24px;box-shadow:0 20px 50px rgba(0,0,0,.18);text-align:center;width:min(280px,100%)}
.qr{aspect-ratio:1;border-radius:14px;display:grid;place-items:center;overflow:hidden;background:#fff}
.qr img{width:100%;height:100%;object-fit:contain}
.qr .ph-tag{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem;color:var(--ink-soft);background:#fff;padding:6px 11px;border-radius:8px;border:1px solid var(--line)}
.qr-card p{margin:16px 0 0;font-weight:600;color:var(--ink);font-size:.96rem}

/* ---------- testimonials ---------- */
.quote{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:20px}
.quote .stars{display:flex;gap:3px;color:var(--accent)}
.quote .stars svg{width:18px;height:18px;fill:var(--accent)}
.quote blockquote{margin:0;font-size:1.15rem;line-height:1.5;font-weight:500;letter-spacing:-.01em}
.quote .who{display:flex;align-items:center;gap:13px;margin-top:auto}
.quote .av{width:46px;height:46px;border-radius:50%;overflow:hidden;flex:none;background:var(--bg-2)}
.quote .av img{width:100%;height:100%;object-fit:cover;display:block}
.quote .who b{display:block;font-size:.98rem}
.quote .who span{font-size:.86rem;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin-inline:auto}
.qa{border-bottom:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 4px;font-family:var(--font-display);font-weight:700;font-size:1.18rem;letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa .ic{flex:none;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:transform .25s, background .2s}
.qa .ic::before,.qa .ic::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.qa .ic{position:relative}
.qa .ic::before{width:13px;height:2px}
.qa .ic::after{width:2px;height:13px;transition:transform .25s}
.qa[open] .ic{background:var(--accent);border-color:var(--accent)}
.qa[open] .ic::after{transform:scaleY(0)}
.qa .ans{padding:0 4px 26px;color:var(--ink-soft);font-size:1.05rem;max-width:64ch;margin:0}

/* ---------- final CTA ---------- */
.final{background:var(--black);color:var(--d-ink);text-align:center;overflow:hidden}
.final::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 80% at 50% 0%,var(--accent-soft),transparent 70%)}
.final .inner{position:relative;max-width:760px;margin-inline:auto}
.final h2{margin:0 0 18px}
.final h2 .hl{color:var(--accent)}
.final .lede{margin:0 auto 34px;max-width:48ch}
.final .hero-cta{justify-content:center}

/* ---------- footer ---------- */
.footer{background:#0a0a0a;color:var(--d-soft);padding-block:64px 36px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:40px}
.footer .word{height:24px;margin-bottom:16px}
.footer .tag{color:var(--accent);font-family:var(--font-display);font-weight:600;font-size:1.05rem}
.footer h5{color:var(--d-ink);font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;margin:0 0 16px;font-weight:600}
.footer ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer ul a{font-size:.96rem;transition:color .15s}
.footer ul a:hover{color:var(--d-ink)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:24px;border-top:1px solid var(--d-line);font-size:.86rem}

/* ---------- reveal animation ---------- */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1)}
  .reveal.in{opacity:1;transform:none}
  .reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
}

/* ---------- tweaks panel ---------- */
#tweaks{position:fixed;right:16px;bottom:16px;z-index:99999;width:270px;display:none;
  background:rgba(20,20,20,.86);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  color:#f4f4ef;border:1px solid rgba(255,255,255,.14);border-radius:16px;
  box-shadow:0 20px 60px rgba(0,0,0,.4);font-family:var(--font-body);overflow:hidden}
#tweaks.show{display:block}
#tweaks .th{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-bottom:1px solid rgba(255,255,255,.1)}
#tweaks .th b{font-family:var(--font-display);font-size:.95rem;font-weight:700}
#tweaks .th button{background:none;border:0;color:#a3a39c;font-size:1.1rem;line-height:1;padding:2px 6px;border-radius:6px}
#tweaks .th button:hover{background:rgba(255,255,255,.1);color:#fff}
#tweaks .tb{padding:14px;display:flex;flex-direction:column;gap:16px}
#tweaks .lbl{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:#a3a39c;margin-bottom:9px}
#tweaks .swatches{display:flex;gap:9px}
#tweaks .sw{width:34px;height:34px;border-radius:9px;border:2px solid transparent;cursor:pointer;position:relative;transition:transform .15s}
#tweaks .sw:hover{transform:scale(1.08)}
#tweaks .sw[aria-pressed="true"]{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.2)}
#tweaks .segs{display:flex;flex-direction:column;gap:7px}
#tweaks .seg{text-align:left;padding:9px 12px;border-radius:9px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);color:#f4f4ef;font-size:.9rem;transition:all .15s}
#tweaks .seg[aria-pressed="true"]{background:var(--accent);color:#0c0c0c;border-color:var(--accent);font-weight:700}

/* ---------- responsive ---------- */
@media (max-width:980px){
  body{font-size:17px}
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero .phone{rotate:0deg}
  .g-3,.steps{grid-template-columns:1fr}
  .split,.uc-panel{grid-template-columns:1fr;gap:40px}
  .download .wrap{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .step .tick{display:none}
}
@media (max-width:560px){
  .g-2{grid-template-columns:1fr}
  .nav-cta .btn.ghost-only{display:none}
  .footer-grid{grid-template-columns:1fr}
  .phones-row .phone.l,.phones-row .phone.r{display:none}
  /* On phones the QR can't be scanned with the same device: show only the
     store buttons. */
  .download .qr-wrap{display:none}
}

/* ---------- demo modal ---------- */
.demo-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}
.demo-modal[hidden]{display:none}
.demo-modal-backdrop{position:absolute;inset:0;background:rgba(8,8,8,.62);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.demo-modal-card{
  position:relative;z-index:1;width:min(540px,100%);max-height:calc(100dvh - 40px);overflow-y:auto;
  background:var(--paper);border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);
  box-shadow:var(--shadow-lg);
  animation:demo-pop .26s cubic-bezier(.2,.7,.3,1)
}
@keyframes demo-pop{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.demo-modal-card{animation:none}}
.demo-modal-close{
  position:absolute;top:14px;right:16px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);
  font-size:1.5rem;line-height:1;display:grid;place-items:center;transition:background .15s,border-color .15s
}
.demo-modal-close:hover{background:rgba(17,17,17,.05);border-color:var(--ink)}
.demo-modal-title{font-family:var(--font-display);font-weight:800;font-size:1.7rem;letter-spacing:-.02em;margin:0 36px 6px 0}
.demo-modal-sub{color:var(--ink-soft);font-size:1rem;margin:0 0 24px}
.demo-field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.demo-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.demo-field label{font-size:.85rem;font-weight:600;color:var(--ink-2)}
.demo-field input,.demo-field textarea{
  font-family:var(--font-body);font-size:1rem;color:var(--ink);
  background:var(--bg);border:1.5px solid var(--line);border-radius:var(--r-sm);
  padding:13px 15px;width:100%;transition:border-color .15s,box-shadow .15s;resize:vertical
}
.demo-field input::placeholder,.demo-field textarea::placeholder{color:var(--ink-soft);opacity:.7}
.demo-field input:focus,.demo-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.demo-field.has-error input,.demo-field.has-error textarea{border-color:#e5484d;box-shadow:0 0 0 3px rgba(229,72,77,.14)}
.demo-error{font-size:.82rem;color:#e5484d;min-height:0;display:none}
.demo-field.has-error .demo-error{display:block}
.demo-submit{width:100%;margin-top:6px}
.demo-submit[disabled]{opacity:.65;cursor:progress;transform:none}
.demo-modal-success{display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding:18px 0}
.demo-modal-success[hidden]{display:none}
.demo-success-check{width:64px;height:64px;border-radius:50%;background:var(--accent);display:grid;place-items:center}
.demo-success-check svg{width:32px;height:32px;color:var(--accent-ink)}
.demo-success-text{font-size:1.05rem;color:var(--ink);margin:0;max-width:34ch}
body.demo-open{overflow:hidden}
@media (max-width:560px){
  .demo-row{grid-template-columns:1fr}
}