/* ZOVA — product website design system
   Lightweight, dependency-free, responsive. */

:root{
  --ink:#14211b;
  --ink-2:#33423a;
  --muted:#5b6c64;
  --faint:#849189;
  --line:#e3ece7;
  --line-strong:#cfddd6;
  --paper:#f7faf8;
  --card:#ffffff;
  --mint:#e4f2ea;
  --mint-2:#cde7da;
  --green:#1f7a54;
  --green-deep:#145a3d;
  --dark:#0d1f17;
  --radius:16px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(20,33,27,.05),0 4px 12px rgba(20,33,27,.05);
  --shadow-md:0 12px 30px rgba(20,33,27,.10);
  --shadow-lg:0 30px 70px rgba(20,51,42,.16);
  --maxw:1160px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-family:var(--font);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
}
body{margin:0;background:var(--paper)}
html,body{overflow-x:hidden}
body.dark-mode{--ink:#e8f3ed;--ink-2:#c4d5cc;--muted:#9eb2a8;--faint:#789187;--line:#294238;--line-strong:#3b5a4c;--paper:#0b1512;--card:#12211b;--mint:#19352a;--mint-2:#285b45;--green:#79d6a6;--green-deep:#9be2bd;--dark:#d7f2e3;--shadow-sm:0 1px 2px rgba(0,0,0,.18),0 4px 12px rgba(0,0,0,.2);--shadow-md:0 12px 30px rgba(0,0,0,.3);--shadow-lg:0 30px 70px rgba(0,0,0,.35)}
body.dark-mode .btn.primary{background:#d7f2e3;color:#0b1512}
body.dark-mode .btn.store{background:#d7f2e3;color:#0b1512;box-shadow:0 6px 18px rgba(0,0,0,.3)}
body.dark-mode .site-nav{color:#b8cec2}body.dark-mode .site-nav a{color:#b8cec2}body.dark-mode .site-nav a:hover{color:#f1fff7}body.dark-mode .logo{color:#f1fff7}body.dark-mode .menu-btn{color:#f1fff7}body.dark-mode .theme-toggle{color:#e8f3ed;background:#12211b}
body.dark-mode .site-header{background:rgba(11,21,18,.9)}
body.dark-mode .site-header{border-bottom-color:#294238}
body.dark-mode h1,body.dark-mode h2,body.dark-mode h3,body.dark-mode h4,body.dark-mode h5,body.dark-mode h6{color:#effff6}
body.dark-mode .hero h1{color:#f4fff8;text-shadow:0 1px 18px rgba(121,214,166,.08)}
body.dark-mode .hero h1 em,body.dark-mode .section-head .eyebrow,body.dark-mode .eyebrow{color:#8be0b0}
body.dark-mode .feat-copy h3,body.dark-mode .story-copy h3,body.dark-mode .guide-step h2,body.dark-mode .legal h2,body.dark-mode .faq summary,body.dark-mode .toc summary{color:#effff6}
body.dark-mode .site-footer h4{color:#cce8d9}
body.dark-mode .logo .mark{background:#d7f2e3;color:#0b1512}
body.dark-mode .btn.primary,body.dark-mode .btn.store{color:#0b1512}
body.dark-mode .btn.store .tag{background:rgba(11,21,18,.12);color:#0b1512}
body.dark-mode .frame-bar{background:#16261f;color:#dcece3}
body.dark-mode .frame-bar span{color:#a9c0b4}
body.dark-mode .feat-grid .card:hover{background:#1b382b}
body.dark-mode .privacy-band{background:#19352a;color:#eefbf4}
body.dark-mode .privacy-inner p,body.dark-mode .privacy-inner .grid li{color:#c9ddd2}
body.dark-mode .privacy-inner .btn.primary{background:#d7f2e3;color:#0b1512}
body.dark-mode .site-footer{background:#101e18}
body.dark-mode .guide-step .num{background:#d7f2e3;color:#0b1512}
body.dark-mode .install{background:#0b1512}
body.dark-mode .frame{background:#12211b}
.theme-toggle{margin-left:10px;border:1px solid var(--line-strong);background:var(--card);color:var(--ink);border-radius:999px;padding:8px 12px;cursor:pointer;font:inherit;font-size:.82rem;font-weight:700}
.language-select{margin-left:10px;border:1px solid var(--line-strong);border-radius:9px;background:var(--card);color:var(--ink);padding:7px 9px;font:inherit;font-size:.78rem;cursor:pointer}
html[dir="rtl"] .language-select{margin-left:0;margin-right:10px}html[dir="rtl"] .site-nav{direction:rtl}html[dir="rtl"] .hero,html[dir="rtl"] .feat-row,html[dir="rtl"] .story-step{direction:rtl}code,.btn.store{direction:ltr}
.guide-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:20px;margin:0 0 30px}.guide-intro .card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:24px;box-shadow:var(--shadow-sm)}.guide-intro h2{font-size:1.35rem;margin-bottom:10px}.guide-intro p{color:var(--muted)}.free-badge{display:inline-flex;margin-top:14px;padding:7px 11px;border-radius:999px;background:var(--mint);color:var(--green-deep);font-size:.78rem;font-weight:800}.guide-step .media img{max-height:680px;object-fit:contain}
@media(max-width:780px){.guide-intro{grid-template-columns:1fr}.theme-toggle{margin-left:0}}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.9em;background:var(--mint);padding:1px 6px;border-radius:6px;color:var(--green-deep)}
h1,h2,h3,h4{line-height:1.08;letter-spacing:-.02em;font-weight:750;margin:0}
p{margin:0}
::selection{background:var(--mint-2);color:var(--green-deep)}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:clamp(20px,5vw,40px)}
.section{padding-block:clamp(72px,9vw,128px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  text-transform:uppercase;letter-spacing:.16em;font-size:.7rem;font-weight:800;
  color:var(--green);margin:0 0 18px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--green);opacity:.6}
.lead{font-size:1.12rem;color:var(--muted);line-height:1.75;max-width:640px}
.h2{font-size:clamp(2rem,4vw,3.4rem);letter-spacing:-.035em;margin:0 0 18px}
.section-head{max-width:720px;margin-bottom:clamp(40px,5vw,64px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 22px;border-radius:12px;font-weight:700;font-size:.94rem;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
}
.btn.primary{background:var(--dark);color:#fff;box-shadow:0 6px 18px rgba(13,31,23,.22)}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(13,31,23,.28)}
.btn.ghost{background:transparent;color:var(--green-deep);border-color:var(--line-strong)}
.btn.ghost:hover{border-color:var(--green);background:var(--mint)}
.btn.store{background:var(--dark);color:#fff;box-shadow:0 6px 18px rgba(13,31,23,.22)}
.btn.store .tag{
  font-size:.68rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  background:rgba(255,255,255,.14);padding:3px 8px;border-radius:99px;margin-left:2px;
}
.btn.store:hover{transform:translateY(-2px)}
.btn.small{padding:9px 15px;font-size:.84rem;border-radius:10px}
.link{color:var(--green-deep);font-weight:700;text-decoration:none;border-bottom:1px solid transparent}
.link:hover{border-color:var(--green);color:var(--green)}
.link .arr{display:inline-block;transition:transform .15s ease}
.link:hover .arr{transform:translateX(3px)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:28px;
  padding:14px clamp(20px,5vw,40px);
  background:rgba(247,250,248,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(207,221,214,.7);
}
.logo{
  font-weight:900;letter-spacing:.22em;font-size:1.02rem;text-decoration:none;color:var(--ink);
  display:inline-flex;align-items:center;gap:9px;
}
.logo .mark{
  width:26px;height:26px;border-radius:8px;background:var(--dark);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.72rem;font-weight:900;letter-spacing:0;
}
.site-nav{display:flex;gap:26px;margin:auto;font-size:.9rem;color:var(--muted)}
.site-nav a{text-decoration:none;font-weight:550;padding:4px 0;border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--ink);border-color:var(--mint-2)}
.menu-btn{display:none;border:0;background:none;font-size:1.5rem;line-height:1;cursor:pointer;color:var(--ink)}

/* ---------- Hero ---------- */
.hero{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(40px,6vw,80px);padding-block:clamp(64px,8vw,120px)}
.hero .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:800;
  letter-spacing:.04em;color:var(--green-deep);background:var(--mint);
  padding:7px 13px;border-radius:99px;margin-bottom:26px;
}
.hero .kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--green)}
.hero h1{font-size:clamp(2.7rem,5.6vw,4.6rem);letter-spacing:-.04em;line-height:1.02;margin:0 0 22px}
.hero h1 em{font-style:normal;color:var(--green)}
.hero .lead{font-size:1.16rem;max-width:500px}
.hero .actions{display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin-top:34px}
.hero .note{font-size:.78rem;color:var(--faint);margin-top:16px}

/* Browser/product frame */
.frame{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);overflow:hidden;
}
.frame-bar{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid var(--line);background:#fbfdfc}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:#d5e2db}
.frame-bar i:nth-child(1){background:#f1b8b8}
.frame-bar i:nth-child(2){background:#f3d9a8}
.frame-bar i:nth-child(3){background:#bfe3c9}
.frame-bar span{margin-left:12px;font-size:.72rem;color:var(--faint);letter-spacing:.02em}
.frame img{display:block;width:100%;height:auto;max-height:clamp(280px,58vh,720px);object-fit:contain;background:var(--paper)}
.frame:has(img[width="460"]),.frame:has(img[width="470"]),.frame:has(img[width="480"]),.frame:has(img[width="433"]),.frame:has(img[width="619"]){max-width:380px;margin-inline:auto}
.frame:has(img[width="460"]) img,.frame:has(img[width="470"]) img,.frame:has(img[width="480"]) img,.frame:has(img[width="433"]) img,.frame:has(img[width="619"]) img{max-height:560px}
.frame.portrait{max-width:380px}
.hero-media{position:relative}
.hero-media .frame{transform:rotate(.6deg)}
.hero-media::after{
  content:"";position:absolute;inset:10% -6% -8% 8%;z-index:-1;
  background:radial-gradient(60% 60% at 60% 40%,var(--mint) 0%,transparent 70%);
  border-radius:50%;
}

/* ---------- Trust strip ---------- */
.trust{
  border-block:1px solid var(--line);background:var(--card);
  padding:22px 0;overflow:hidden;
}
.trust .wrap{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 34px}
.trust span{
  display:inline-flex;align-items:center;gap:9px;font-size:.8rem;color:var(--muted);font-weight:600;
  white-space:nowrap;
}
.trust .chip{width:8px;height:8px;border-radius:3px;background:var(--mint-2)}

/* ---------- Features ---------- */
.features{}
.feat-row{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(36px,6vw,72px);
  padding-block:clamp(36px,5vw,56px);
}
.feat-row + .feat-row{border-top:1px solid var(--line)}
.feat-row.rev .feat-media{order:-1}
.feat-copy h3{font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.025em;margin:0 0 14px}
.feat-copy>p{color:var(--muted);margin-bottom:26px}
.feat-list{display:grid;gap:14px;margin:0;padding:0;list-style:none}
.feat-list li{display:flex;gap:14px;align-items:flex-start}
.feat-list .ic{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--mint);
  display:inline-flex;align-items:center;justify-content:center;color:var(--green-deep);
}
.feat-list .ic svg{width:18px;height:18px}
.feat-list b{display:block;font-size:.95rem;font-weight:700}
.feat-list p{color:var(--muted);font-size:.88rem}
.feat-media{position:relative}
.feat-media{display:flex;flex-direction:column;align-items:center;min-width:0}
.feat-media .frame{border-radius:var(--radius)}
.feat-media .frame{width:100%}
.feat-media .cap{
  display:block;margin-top:12px;text-align:center;font-size:.74rem;color:var(--faint);font-weight:600;
}
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:clamp(48px,6vw,72px)}
.feat-grid .card{background:var(--card);padding:26px 24px;min-height:172px}
.feat-grid .card:hover{background:#f4faf7}
.feat-grid .ic{width:38px;height:38px;border-radius:11px;background:var(--mint);display:inline-flex;align-items:center;justify-content:center;color:var(--green-deep);margin-bottom:18px}
.feat-grid .ic svg{width:20px;height:20px}
.feat-grid h4{font-size:1rem;margin:0 0 7px}
.feat-grid p{margin:0;color:var(--muted);font-size:.87rem}

/* ---------- How it works ---------- */
.how{background:linear-gradient(180deg,var(--mint) 0%,var(--paper) 100%)}
.flow{display:grid;gap:0}
.flow-row{display:flex;flex-wrap:wrap;align-items:stretch;gap:0;justify-content:center}
.flow-step{
  flex:1 1 150px;min-width:140px;text-align:center;padding:14px 8px;position:relative;
}
.flow-step .node{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 16px;height:100%;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.flow-step .node .ic{width:36px;height:36px;border-radius:10px;background:var(--mint);color:var(--green-deep);display:inline-flex;align-items:center;justify-content:center}
.flow-step .node .ic svg{width:19px;height:19px}
.flow-step .node b{font-size:.9rem;line-height:1.3}
.flow-step .node span{font-size:.76rem;color:var(--muted)}
.flow-arrow{align-self:center;color:var(--green);font-size:1.2rem;font-weight:800;padding:0 4px;flex:0 0 auto}
.how .block{margin-top:clamp(40px,5vw,56px)}
.how .block h3{font-size:1.25rem;margin-bottom:22px}
.how .block h3 small{display:block;font-size:.8rem;color:var(--muted);font-weight:600;letter-spacing:.02em;margin-bottom:6px;text-transform:uppercase}

/* For developers (expandable) */
.dev{margin-top:clamp(48px,6vw,72px);border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}
.dev summary{
  cursor:pointer;list-style:none;padding:22px 26px;font-weight:750;font-size:1rem;
  display:flex;align-items:center;gap:12px;color:var(--ink);
}
.dev summary::-webkit-details-marker{display:none}
.dev summary::after{content:"+";margin-left:auto;font-size:1.3rem;font-weight:600;color:var(--green);transition:transform .18s ease}
.dev[open] summary::after{transform:rotate(45deg)}
.dev .dev-body{padding:4px 26px 28px;border-top:1px solid var(--line)}
.dev .dev-body p{color:var(--muted);margin-bottom:20px;max-width:760px}
.dev ul{columns:2;gap:40px;margin:0;padding:0;list-style:none}
.dev li{padding:9px 0 9px 26px;position:relative;font-size:.9rem;color:var(--ink-2);break-inside:avoid}
.dev li::before{content:"";position:absolute;left:0;top:16px;width:10px;height:10px;border-radius:3px;background:var(--mint-2)}
.dev code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;background:var(--mint);padding:2px 7px;border-radius:6px;color:var(--green-deep)}

/* ---------- Screenshot story ---------- */
.story-step{
  display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:clamp(36px,6vw,72px);
  padding-block:clamp(40px,5vw,60px);
}
.story-step + .story-step{border-top:1px solid var(--line)}
.story-step.rev .story-media{order:-1}
.story-media .frame{border-radius:var(--radius)}
.story-media .cap{display:block;margin-top:12px;text-align:center;font-size:.74rem;color:var(--faint);font-weight:600}
.step-num{
  font-size:.78rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green);
  display:block;margin-bottom:12px;
}
.story-copy h3{font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.025em;margin:0 0 14px}
.story-copy p{color:var(--muted);max-width:460px}

/* ---------- Privacy band ---------- */
.privacy-band{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.privacy-band::before{content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,var(--green-deep) 0%,transparent 70%);opacity:.6}
.privacy-inner{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(36px,6vw,72px);align-items:center;position:relative}
.privacy-inner h2{font-size:clamp(1.9rem,3.4vw,2.8rem);margin:0 0 16px;letter-spacing:-.03em}
.privacy-inner p{color:#c3d4cc;max-width:460px;margin:0 0 28px}
.privacy-inner .eyebrow{color:#a9e2c4}
.privacy-inner .eyebrow::before{background:#a9e2c4}
.privacy-inner .grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 26px;margin:0}
.privacy-inner .grid li{color:#c3d4cc;font-size:.88rem;list-style:none;position:relative;padding-left:22px}
.privacy-inner .grid li::before{content:"✓";position:absolute;left:0;color:#8fd9b2;font-weight:800}
.privacy-inner .btn.primary{background:#fff;color:var(--dark)}
.privacy-inner .btn.primary:hover{background:var(--mint)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:860px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);overflow:hidden}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 24px;font-weight:700;font-size:1rem;
  display:flex;align-items:center;gap:14px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;font-size:1.4rem;font-weight:600;color:var(--green);flex:0 0 auto;transition:transform .18s ease}
.faq[open] summary::after, details[open] summary::after{transform:rotate(45deg)}
.faq details[open]{border-color:var(--mint-2);box-shadow:var(--shadow-sm)}
.faq .a{padding:0 24px 22px;color:var(--muted);font-size:.95rem;max-width:760px}

/* ---------- Install CTA ---------- */
.install{text-align:center;background:var(--paper)}
.install .inner{max-width:620px;margin:0 auto}
.install .btn{margin-top:8px}
.install .small{font-size:.8rem;color:var(--faint);margin-top:16px}

/* ---------- Footer ---------- */
.site-footer{background:#eef4f1;border-top:1px solid var(--line)}
.site-footer .top{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px;
  padding:56px clamp(20px,5vw,40px) 36px;max-width:var(--maxw);margin:0 auto;
}
.site-footer h4{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 16px}
.site-footer .brand p{color:var(--muted);font-size:.9rem;max-width:300px;margin-top:14px}
.site-footer .col{display:flex;flex-direction:column;gap:11px}
.site-footer .col a{text-decoration:none;color:var(--ink-2);font-size:.9rem}
.site-footer .col a:hover{color:var(--green-deep)}
.site-footer .bottom{
  border-top:1px solid var(--line);padding:22px clamp(20px,5vw,40px);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  max-width:var(--maxw);margin:0 auto;
}
.site-footer .bottom small{color:var(--faint);font-size:.8rem}
.site-footer .rights{flex-basis:100%;font-size:.72rem!important;line-height:1.5;max-width:680px}
.site-footer .bottom a{color:var(--faint);text-decoration:none;font-size:.8rem}
.site-footer .bottom a:hover{color:var(--green-deep)}

/* ---------- Legal / text pages ---------- */
.page-head{padding-block:clamp(56px,7vw,88px) clamp(28px,4vw,40px)}
.page-head h1{font-size:clamp(2.3rem,5vw,3.6rem);letter-spacing:-.035em;margin:0 0 14px}
.page-head .sub{color:var(--muted);max-width:640px}
.legal{max-width:820px;padding-bottom:clamp(72px,9vw,120px)}
.legal h2{font-size:1.28rem;letter-spacing:-.01em;margin:44px 0 10px;scroll-margin-top:90px}
.legal p{color:var(--ink-2);margin-bottom:14px}
.legal ul{margin:0 0 16px;padding-left:0;list-style:none}
.legal li{position:relative;padding-left:22px;margin-bottom:9px;color:var(--ink-2)}
.legal li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--mint-2)}
.legal a{color:var(--green-deep);font-weight:650}
.legal .callout{padding:16px 18px;border-left:3px solid var(--green);background:var(--mint);border-radius:0 var(--radius) var(--radius) 0;margin:18px 0}
.legal .callout p{margin:0}
.toc{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:20px 24px;margin-bottom:8px}
.toc details summary{font-weight:750;cursor:pointer;list-style:none}
.toc details summary::-webkit-details-marker{display:none}
.toc ol{margin:14px 0 0;padding-left:20px;columns:2;gap:40px}
.toc li{margin-bottom:7px}
.toc a{color:var(--green-deep);text-decoration:none;font-size:.9rem}
.toc a:hover{text-decoration:underline}

/* ---------- Guide page ---------- */
.guide-grid{display:grid;grid-template-columns:250px 1fr;gap:clamp(32px,5vw,64px);align-items:start}
.guide-nav{position:sticky;top:90px;display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--line)}
.guide-nav a{text-decoration:none;color:var(--muted);font-size:.85rem;padding:7px 16px;border-left:2px solid transparent;margin-left:-1px}
.guide-nav a:hover{color:var(--green-deep)}
.guide-nav .lbl{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--faint);font-weight:800;padding:0 16px 10px}
.guide-step{padding-block:clamp(28px,4vw,44px);scroll-margin-top:96px}
.guide-step + .guide-step{border-top:1px solid var(--line)}
.guide-step .num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
  background:var(--dark);color:#fff;font-weight:800;font-size:1rem;margin-bottom:18px;
}
.guide-step h2{font-size:clamp(1.4rem,2.4vw,1.9rem);letter-spacing:-.02em;margin:0 0 12px}
.guide-step>p{color:var(--muted);margin-bottom:18px;max-width:680px}
.guide-step ol,.guide-step ul{margin:0 0 18px;padding-left:0;list-style:none;max-width:680px}
.guide-step ol{counter-reset:s}
.guide-step ol li{counter-increment:s;position:relative;padding-left:38px;margin-bottom:12px;color:var(--ink-2)}
.guide-step ol li::before{
  content:counter(s);position:absolute;left:0;top:0;width:24px;height:24px;border-radius:8px;
  background:var(--mint);color:var(--green-deep);font-size:.78rem;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
}
.guide-step ul li{position:relative;padding-left:22px;margin-bottom:9px;color:var(--ink-2)}
.guide-step ul li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--mint-2)}
.guide-step .media{margin:26px 0;max-width:640px}
.guide-step .media .frame{border-radius:var(--radius)}
.guide-step .media .cap{display:block;margin-top:12px;text-align:center;font-size:.74rem;color:var(--faint);font-weight:600}
.guide-step .note{
  background:var(--mint);border-radius:var(--radius);padding:16px 20px;max-width:680px;margin-top:18px;
}
.guide-step .note p{color:var(--green-deep);font-size:.9rem;margin:0}
.guide-step .note b{font-weight:800}
.guide-step .ext{font-size:.85rem;color:var(--faint)}
.guide-step code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86rem;background:var(--mint);padding:2px 7px;border-radius:6px;color:var(--green-deep)}

/* ---------- Support ---------- */
.trouble{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:8px}
.trouble .card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:24px}
.trouble .card h2{font-size:1.02rem;margin:0 0 12px}
.trouble .card ul{margin:0;padding-left:0;list-style:none}
.trouble .card li{position:relative;padding-left:22px;margin-bottom:9px;color:var(--muted);font-size:.9rem}
.trouble .card li::before{content:"→";position:absolute;left:0;color:var(--green);font-weight:700}
.support-cta{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,var(--mint),var(--card));padding:36px;margin-top:36px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.support-cta h2{margin:0;font-size:1.3rem}
.support-cta p{color:var(--muted);margin-top:6px}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media(max-width:920px){
  .site-nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;padding:10px 20px 16px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .site-nav.open{display:flex}
  .site-nav a{padding:13px 0;border-bottom:1px solid var(--line);border-bottom-width:1px;font-size:1rem}
  .site-nav a:last-child{border-bottom:0}
  .menu-btn{display:block;margin-left:auto}
  .site-header>.btn.store{display:none}
  .hero{grid-template-columns:1fr;gap:44px}
  .hero-media{order:2}
  .feat-row,.story-step,.privacy-inner{grid-template-columns:1fr;gap:34px}
  .feat-row.rev .feat-media,.story-step.rev .story-media{order:0}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:1fr}
  .guide-nav{display:none}
  .dev ul{columns:1}
  .trouble{grid-template-columns:1fr}
  .site-footer .top{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .site-header{padding:10px 12px;gap:7px;min-height:56px}
  .logo{flex:0 0 auto;font-size:.88rem;letter-spacing:.16em;gap:6px}.logo .mark{width:24px;height:24px}
  .site-header .language-select{margin-left:auto;max-width:92px;padding:6px 4px;font-size:.68rem}
  .theme-toggle{margin-left:0;padding:7px 8px;font-size:0;line-height:1}.theme-toggle::after{content:"☾";font-size:1rem}
  .menu-btn{margin-left:0;padding:4px;font-size:1.35rem}
  .site-nav{padding-inline:16px}
  .page-head{padding-top:42px}
  .wrap{padding-inline:16px}
  .guide-intro .card{padding:18px}
}
@media(max-width:560px){
  .hero h1{font-size:2.6rem}
  .actions{flex-direction:column;align-items:stretch}
  .actions .btn{justify-content:center}
  .feat-grid{grid-template-columns:1fr}
  .flow-step{flex:1 1 100%}
  .flow-arrow{transform:rotate(90deg)}
  .toc ol{columns:1}
  .site-footer .top{grid-template-columns:1fr}
  .hero-media .frame{transform:none}
}

/* ---------- Magic Portfolio-inspired product system ---------- */
:root{--maxw:1040px;--radius:12px;--radius-lg:18px;--paper:#f5f5f3;--card:#fbfbfa;--line:#dedfdb;--line-strong:#c8cac4;--shadow-sm:0 2px 8px rgba(20,24,20,.04);--shadow-md:0 16px 44px rgba(20,24,20,.08)}
body{background:var(--paper);letter-spacing:-.005em}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 85% 4%,rgba(65,132,98,.10),transparent 28%),linear-gradient(transparent 0,transparent 96%,rgba(20,40,30,.025) 100%);background-size:auto,100% 32px}
.site-header{position:sticky;top:16px;max-width:calc(var(--maxw) - 32px);margin:0 auto;padding:9px 12px;border:1px solid var(--line);border-radius:14px;background:color-mix(in srgb,var(--card) 88%,transparent);box-shadow:var(--shadow-sm);backdrop-filter:blur(18px)}
.logo{font-size:.92rem;letter-spacing:.16em}.logo .mark{width:25px;height:25px;border-radius:7px}
.site-nav{gap:20px;font-size:.82rem}.site-nav a{padding:5px 2px}
.section{padding-block:clamp(64px,8vw,104px)}
.hero{min-height:680px;padding-block:clamp(72px,10vw,130px);gap:clamp(42px,7vw,90px)}
.hero h1{font-size:clamp(2.8rem,6vw,5.2rem);letter-spacing:-.065em;line-height:.98}
.hero .lead{font-size:1rem;max-width:520px}
.hero-media .frame,.feat-media .frame,.story-media .frame{border:1px solid var(--line-strong);box-shadow:var(--shadow-md);border-radius:14px}
.frame-bar{padding:10px 13px}.frame img{background:var(--paper)}
.trust{background:transparent;border-block:1px solid var(--line);padding:16px 0}.trust .wrap{justify-content:flex-start;gap:10px 20px}.trust span{font-size:.72rem}
.section-head{max-width:660px;margin-bottom:clamp(32px,5vw,56px)}.eyebrow{font-size:.64rem;letter-spacing:.18em}.h2{font-size:clamp(1.9rem,4vw,3rem)}
.feat-row,.story-step{gap:clamp(32px,7vw,90px);padding-block:clamp(50px,7vw,88px)}
.feat-row + .feat-row,.story-step + .story-step{border-top:1px solid var(--line)}
.feat-copy h3,.story-copy h3{font-size:clamp(1.45rem,2.8vw,2.1rem);letter-spacing:-.04em}.feat-list{gap:12px}.feat-list li{padding:11px 0;border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.feat-list .ic{width:30px;height:30px;border-radius:8px}.feat-media .cap,.story-media .cap{font-size:.68rem;letter-spacing:.02em}
.how{background:transparent}.how .block,.dev,.faq details,.guide-intro .card,.trouble .card,.toc{border-color:var(--line);box-shadow:var(--shadow-sm)}
.flow-step .node{border-radius:12px;padding:18px 14px}.flow-step .node b{font-size:.84rem}
.privacy-band{border-block:1px solid rgba(255,255,255,.08)}
.site-footer{background:transparent;border-top:1px solid var(--line)}
.learning-structure{border-block:1px solid var(--line);background:color-mix(in srgb,var(--mint) 22%,transparent)}
.structure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.structure-card{position:relative;min-height:220px;padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--card);box-shadow:var(--shadow-sm)}.structure-index{display:block;margin-bottom:42px;color:var(--green);font:700 .72rem ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em}.structure-card h3{font-size:1.08rem;margin-bottom:10px}.structure-card p{color:var(--muted);font-size:.88rem;line-height:1.65}
.page-head{padding-block:clamp(64px,9vw,110px) 36px}.page-head h1{font-size:clamp(2.6rem,6vw,4.5rem);letter-spacing:-.06em}
.legal,.guide{max-width:760px}.legal h2,.guide-step h2{font-size:1.45rem;letter-spacing:-.035em}.toc{border-radius:12px}
@media(max-width:920px){.site-header{top:10px;margin-inline:12px;max-width:none}.hero{min-height:auto;padding-block:78px 72px}}
@media(max-width:600px){.site-header{top:7px;margin-inline:8px;border-radius:12px}.hero{padding-block:68px 56px}.hero h1{font-size:clamp(2.55rem,13vw,3.6rem)}.feat-row,.story-step{padding-block:44px}.page-head{padding-top:58px}}
@media(max-width:920px){.structure-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.structure-grid{grid-template-columns:1fr}.structure-card{min-height:0}.structure-index{margin-bottom:24px}}
.google-translate-host{position:fixed!important;left:-10000px!important;top:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important;opacity:0!important;pointer-events:none!important}
.goog-te-banner-frame,.skiptranslate iframe{display:none!important}body{top:0!important}