/* AskCatch flagship theme — two moods, one lockup.
   Day: "ink & amber on paper" (anchored on the logo: midnight ink
   #17263f + warm amber #ffb25e). Night: "the river after dark". */
:root{
  --bg:#f6f1e6; --surface:#fffdf7; --surface2:#efe6d2;
  --ink:#17263f; --muted:#43536b; --line:#ddd2ba;
  --accent:#ffb25e; --on-accent:#17263f; --catch:#8a5a00; --link:#7a4d00;
  --hero-bg:#17263f; --hero-ink:#f7f2e2; --hero-muted:#c9d4e6;
  --chip-bg:#efe6d2; --quote-bar:#ffb25e;
  --shadow:0 10px 30px rgba(23,38,63,.10);
}
html[data-theme="night"]{
  --bg:#0c1424; --surface:#152238; --surface2:#1b2c47;
  --ink:#f3edda; --muted:#b9c4d6; --line:#2c3d5c;
  --accent:#ffb25e; --on-accent:#17263f; --catch:#ffb25e; --link:#ffc978;
  --hero-bg:#101d33; --hero-ink:#f7f2e2; --hero-muted:#c9d4e6;
  --chip-bg:#1b2c47; --quote-bar:#ffb25e;
  --shadow:0 10px 30px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:Georgia,'Times New Roman',serif;font-size:19px;line-height:1.6}
a{color:var(--link)}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
/* header — scrolls away naturally (no sticky, owner's rule) */
header.site{padding:18px 0 6px}
.headrow{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.lockup{display:flex;align-items:center;gap:11px;text-decoration:none}
.lockup img{width:44px;height:44px;border-radius:11px;display:block}
.wordmark{font-size:30px;letter-spacing:-.5px;color:var(--ink);line-height:1}
.wordmark .w2{color:var(--catch);font-weight:700}
nav.main{display:flex;gap:20px;flex-wrap:wrap;margin-left:auto;align-items:center}
nav.main a{color:var(--ink);text-decoration:none;font-size:17px}
nav.main a:hover{text-decoration:underline}
.themebtn{background:var(--surface);color:var(--ink);
  border:1.5px solid var(--line);border-radius:50%;padding:0;cursor:pointer;
  width:44px;height:44px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
.themebtn svg{width:21px;height:21px;stroke:var(--catch);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.themebtn .ic-sun{display:none}
html[data-theme="night"] .themebtn .ic-sun{display:block}
html[data-theme="night"] .themebtn .ic-moon{display:none}
/* hero */
.hero{background:var(--hero-bg);color:var(--hero-ink);border-radius:22px;
  padding:44px 40px;margin:18px 0 26px;box-shadow:var(--shadow)}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 14px;font-weight:700}
.hero p{color:var(--hero-muted);font-size:20px;margin:0 0 16px;max-width:44em}
.hero p strong{color:var(--hero-ink)}
.eyebrow{color:var(--accent);font-size:15px;letter-spacing:2.5px;text-transform:uppercase;margin:0 0 14px;font-family:Arial,Helvetica,sans-serif}
section{margin:34px 0}
h2{font-size:30px;line-height:1.25;margin:0 0 12px}
h3{font-size:22px;margin:0 0 8px}
p{margin:0 0 14px}
.muted{color:var(--muted)}
.small{font-size:16px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.card p{color:var(--muted);font-size:17.5px}
.btn{display:inline-block;background:var(--accent);color:var(--on-accent);
  text-decoration:none;font-weight:700;border-radius:999px;padding:13px 26px;
  font-size:18px;border:none;cursor:pointer;min-height:52px;font-family:inherit}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.hero .btn.ghost{color:var(--hero-ink);border-color:var(--hero-muted)}
.chip{display:inline-block;background:var(--chip-bg);color:var(--ink);
  border-radius:999px;padding:3px 13px;font-size:15px;margin:0 6px 8px 0;font-family:Arial,Helvetica,sans-serif}
/* live test */
.livetest{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow)}
.livetest form{display:flex;gap:10px;flex-wrap:wrap}
.livetest input[type=text]{flex:1 1 260px;font:inherit;font-size:18px;padding:12px 16px;
  border:1.5px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);min-height:52px}
.teach{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}
.teach .weak,.teach .strong{border-radius:12px;padding:14px 16px;font-size:16.5px}
.teach .weak{background:var(--surface2);color:var(--muted)}
.teach .strong{background:var(--surface2);color:var(--ink);border-left:5px solid var(--accent)}
.catchrow{border-top:1px solid var(--line);padding:14px 2px}
.catchrow .t{font-weight:700}
.catchrow .meta{color:var(--muted);font-size:15.5px;font-family:Arial,Helvetica,sans-serif}
blockquote{border-left:5px solid var(--quote-bar);margin:10px 0;padding:6px 0 6px 16px;font-style:italic}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:14px}
table.compare{width:100%;min-width:620px;border-collapse:collapse;background:var(--surface);box-shadow:var(--shadow)}
table.compare th,table.compare td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:17.5px;vertical-align:top}
table.compare th{background:var(--surface2);color:var(--ink)}
.price{font-size:54px;line-height:1;margin:6px 0}
.price small{font-size:20px;color:var(--muted)}
ul.tick{list-style:none;padding:0;margin:0 0 16px}
ul.tick li{padding:7px 0 7px 30px;position:relative}
ul.tick li::before{content:"—";position:absolute;left:6px;color:var(--catch);font-weight:700}
footer.site{border-top:1px solid var(--line);margin-top:52px;padding:28px 0 40px;color:var(--muted);font-size:16.5px}
footer.site .lockup .wordmark{font-size:24px}
footer.site a{color:var(--link)}
.guide h2{margin-top:36px}
.faq h3{margin-top:22px}
@media (max-width:760px){
  body{font-size:18px}
  .hero{padding:30px 22px}
  .hero h1{font-size:32px}
  h2{font-size:26px}
  .teach{grid-template-columns:1fr}
  nav.main{margin-left:0;gap:14px}
  nav.main a{font-size:16px}
  .price{font-size:42px}
}