/* QuellHeat guide pages: shared stylesheet.
   Same warm-paper design language as the front page, scaled for reading. */
:root {
  --paper: #fdfaf5; --paper-2: #f7f1e8; --ink: #1c1815; --ink-2: #5c5449; --ink-3: #71675e;
  --line: rgba(28,24,21,.10); --line-soft: rgba(28,24,21,.055);
  --thermal: linear-gradient(96deg,#2fa3c9 0%,#37c8ab 18%,#ffd23f 52%,#ffb340 72%,#ff5533 100%);
  --ember: #b3451a; --cool: #1c718b;
  --glass: rgba(255,255,255,.56); --glass-edge: rgba(255,255,255,.75);
  --glass-blur: blur(16px) saturate(150%);
  --specular: inset 0 1px 0 rgba(255,255,255,.95), inset 0 -1px 0 rgba(255,255,255,.30);
  --shadow-sm: 0 1px 2px rgba(60,40,20,.05), 0 4px 12px -4px rgba(60,40,20,.07);
  --shadow-lg: 0 30px 70px -30px rgba(60,40,20,.30), 0 6px 18px rgba(60,40,20,.06);
  --serif: "New York", ui-serif, "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, monospace;
  --r: 18px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 17px; line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(38% 26% at 82% 6%,  rgba(255,166,48,.22), transparent 64%),
    radial-gradient(34% 24% at 10% 12%, rgba(47,163,201,.18), transparent 66%),
    radial-gradient(40% 30% at 88% 74%, rgba(255,210,63,.16), transparent 66%);
}
.wrap { width: min(100% - 44px, 760px); margin-inline: auto; }
nav { border-bottom: 1px solid var(--line-soft); }
.nav-in { display: flex; align-items: center; gap: 14px; height: 66px; }
.nav-in > a:last-child { font-size: 15px; text-decoration: none; color: var(--ink-2); }
.mark { width: 24px; height: 24px; border-radius: 50%; background: var(--thermal); position: relative; flex: none; }
.mark::after { content: ""; position: absolute; inset: 7.5px; border-radius: 50%; background: var(--paper); }
.wordmark { font-family: var(--serif); font-size: 20px; color: var(--ink); text-decoration: none; }
.nav-spacer { flex: 1; }
.crumb { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); margin: 46px 0 18px; }
.crumb a { color: inherit; text-decoration: none; }
.crumb a:hover { color: var(--ember); }
h1 { font-family: var(--serif); font-weight: 500; letter-spacing: -.02em; line-height: 1.06; font-size: clamp(34px, 5.6vw, 54px); margin: 0 0 18px; }
.lede { font-size: 19px; color: var(--ink-2); margin: 0 0 40px; }
h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -.015em; font-size: clamp(24px, 3.4vw, 32px); line-height: 1.15; margin: 52px 0 14px; }
h3 { font-size: 18px; font-weight: 600; letter-spacing: -.012em; margin: 30px 0 8px; }
p { margin: 0 0 18px; color: var(--ink-2); }
p b, li b { color: var(--ink); font-weight: 600; }
ul, ol { margin: 0 0 18px; padding-left: 22px; color: var(--ink-2); }
li { margin-bottom: 10px; }
a { color: var(--cool); }
a:hover { color: var(--ember); }
.shot { display: block; width: 100%; height: auto; border-radius: var(--r); box-shadow: var(--shadow-lg); border: 1px solid rgba(28,24,21,.10); margin: 34px 0; }
.note {
  background: var(--glass); border: 1px solid var(--glass-edge); border-radius: var(--r);
  padding: 20px 24px; backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  box-shadow: var(--specular), var(--shadow-sm); margin: 26px 0; position: relative; overflow: hidden;
}
.note::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--thermal); }
.note p { margin: 0; }
.cta {
  display: inline-flex; align-items: center; padding: 13px 24px; border-radius: 999px;
  background: var(--ink); color: #fffdf9; text-decoration: none; font-size: 15.5px; font-weight: 590;
  box-shadow: var(--shadow-sm); transition: transform .2s;
}
.cta:hover { transform: translateY(-2px); color: #fffdf9; }
table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 15.5px; }
th { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; text-align: left; padding: 10px 12px 10px 0; border-bottom: 1px solid var(--line); }
td { padding: 12px 12px 12px 0; border-bottom: 1px solid var(--line-soft); color: var(--ink-2); vertical-align: top; }
td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; }
.table-scroll { overflow-x: auto; }
footer { margin-top: 72px; padding: 34px 0 60px; border-top: 1px solid var(--line-soft); color: var(--ink-3); font-size: 14.5px; }
footer a { color: var(--ink-2); text-decoration: none; }
footer a:hover { color: var(--ember); }
.more { margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--line-soft); }
.more h2 { margin-top: 0; font-size: 22px; }
.more ul { list-style: none; padding: 0; }
a:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 6px; }