/* Layout: one long page in the product's own night-glass look; screenshots carry the page, energy colors mark meaning. */
:root{
  color-scheme:dark;
  --bg:#070d1c; --bg2:#0f1a33; --glass:rgba(255,255,255,.055); --line:rgba(190,210,255,.16);
  --text:#f2f5fb; --muted:#a3aec4; --blue:#3b9bff; --btn-text:#04101f;
  --solar:#f5a524; --home:#4aa3ff; --batt:#2fc7a4; --buy:#f0616d; --ok:#34c77b;
  --note:rgba(245,165,36,.10); --note-line:rgba(245,165,36,.38); --shadow:0 24px 60px rgba(0,0,0,.45);
  --font:"Inter","Noto Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"Cascadia Mono",Consolas,monospace;
}
@media (prefers-color-scheme:light){:root:not([data-theme="dark"]){
  color-scheme:light;
  --bg:#eef2f8; --bg2:#dfe8f5; --glass:rgba(255,255,255,.72); --line:rgba(30,55,100,.16);
  --text:#101a2c; --muted:#55627a; --blue:#0a6fe0; --btn-text:#fff;
  --solar:#b86e00; --home:#1766c2; --batt:#0c8a70; --buy:#c2313f; --ok:#12824a;
  --note:rgba(245,165,36,.14); --note-line:rgba(184,110,0,.4); --shadow:0 20px 50px rgba(30,55,100,.18);
}}
:root[data-theme="light"]{
  color-scheme:light;
  --bg:#eef2f8; --bg2:#dfe8f5; --glass:rgba(255,255,255,.72); --line:rgba(30,55,100,.16);
  --text:#101a2c; --muted:#55627a; --blue:#0a6fe0; --btn-text:#fff;
  --solar:#b86e00; --home:#1766c2; --batt:#0c8a70; --buy:#c2313f; --ok:#12824a;
  --note:rgba(245,165,36,.14); --note-line:rgba(184,110,0,.4); --shadow:0 20px 50px rgba(30,55,100,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg) linear-gradient(180deg,var(--bg2),var(--bg) 720px) no-repeat;color:var(--text);
  font:400 16px/1.7 var(--font);-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:var(--blue)}
a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:8px}
h1,h2,h3{text-wrap:balance;line-height:1.25;margin:0}
h1{font-size:clamp(2rem,5.4vw,3.4rem);font-weight:700;letter-spacing:-.01em}
h2{font-size:clamp(1.45rem,3.2vw,2rem);font-weight:700}
h3{font-size:1.05rem;font-weight:600}
p{margin:0}
.muted{color:var(--muted)}
img{display:block;max-width:100%;height:auto}

header{padding-block:18px}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;margin-right:auto;color:var(--text);text-decoration:none}
.brand svg{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--ok),var(--blue))}
nav{display:flex;flex-wrap:wrap;gap:4px 18px;font-size:.95rem}
nav a{color:var(--muted);text-decoration:none;padding:4px 0}
nav a:hover{color:var(--text)}

.hero{padding-block:36px 56px;display:grid;gap:36px}
.hero-copy{display:grid;gap:18px;max-width:720px}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.tags{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0;list-style:none}
.tags li{border:1px solid var(--line);background:var(--glass);border-radius:999px;padding:4px 14px;font-size:.9rem;font-weight:500}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 24px;border-radius:14px;
  font-weight:600;text-decoration:none;border:1px solid var(--line);background:var(--glass);color:var(--text)}
.btn.primary{background:var(--blue);border-color:transparent;color:var(--btn-text)}
.btn:hover{filter:brightness(1.08)}
.btn[aria-disabled="true"]{opacity:.6;pointer-events:none}
.stage{position:relative;padding-bottom:6%}
.shot{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
.stage .desk{width:88%}
.stage .phone{position:absolute;right:0;bottom:0;width:22%;border-radius:clamp(10px,2vw,22px)}
.cap{font-size:.85rem;color:var(--muted);margin-top:10px}

section{padding-block:48px}
.head{display:grid;gap:8px;margin-bottom:26px;max-width:65ch}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.card{border:1px solid var(--line);background:var(--glass);border-radius:20px;padding:22px;display:grid;gap:8px;align-content:start;min-width:0;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;margin-right:8px}
.split{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));align-items:center}
.split>*{min-width:0}
ul.plain,ol.plain{margin:0;padding-left:1.2em;display:grid;gap:6px}

.tablebox{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--glass)}
table{border-collapse:collapse;width:100%;min-width:460px}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
th{font-size:.85rem;color:var(--muted);font-weight:600}
.state{font-weight:600;white-space:nowrap}
.state.ok{color:var(--ok)} .state.wait{color:var(--solar)}

.note{border:1px solid var(--note-line);background:var(--note);border-radius:16px;padding:16px 18px;display:grid;gap:4px}
.dl{display:grid;gap:18px}
.meta{display:flex;flex-wrap:wrap;gap:6px 28px;font-size:.95rem;font-variant-numeric:tabular-nums}
.meta b{font-weight:600}
code{font-family:var(--mono);font-size:.85em;overflow-wrap:anywhere}
.hash{border:1px solid var(--line);border-radius:12px;padding:10px 14px;display:block;user-select:all}

.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px}
.steps li::before{content:counter(s);width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--blue);color:var(--btn-text);font-weight:700}
.steps div{display:grid;gap:2px}

details{border:1px solid var(--line);background:var(--glass);border-radius:14px;padding:0 18px}
details+details{margin-top:10px}
summary{cursor:pointer;font-weight:600;padding:14px 0}
details p{padding-bottom:16px;color:var(--muted)}
footer{padding-block:36px 56px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}