/* QuietColumn — stylesheet v2
   Lora (serif) + Poppins (UI) via Google Fonts, loaded in each page head.
   Light/dark automatic. No frameworks, no build step. */

:root{
  --bg:#faf9f7;
  --bg2:#f4f2ee;
  --panel:#ffffff;
  --paper:#fffdf9;
  --ink:#1c1b19;
  --muted:#6b6862;
  --faint:#918d86;
  --line:#e5e1da;
  --accent:#2f6f4f;
  --accent-ink:#265c41;
  --accent-soft:#e8f2ec;
  --shadow:0 1px 2px rgba(28,27,25,.04), 0 8px 28px rgba(28,27,25,.07);
  --shadow-lift:0 2px 4px rgba(28,27,25,.05), 0 18px 44px rgba(28,27,25,.12);
  --serif:"Lora", ui-serif, Georgia, "Times New Roman", serif;
  --sans:"Poppins", ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#171614;
    --bg2:#1c1b18;
    --panel:#201f1c;
    --paper:#24231f;
    --ink:#eeece7;
    --muted:#a5a099;
    --faint:#847f78;
    --line:#34322e;
    --accent:#7fc9a2;
    --accent-ink:#93d4b1;
    --accent-soft:#1e2b24;
    --shadow:0 1px 2px rgba(0,0,0,.2), 0 8px 28px rgba(0,0,0,.3);
    --shadow-lift:0 2px 4px rgba(0,0,0,.25), 0 18px 44px rgba(0,0,0,.45);
  }
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:17px/1.7 var(--serif);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* faint paper grain */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .015 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
body > *{position:relative;z-index:1}

/* ---------- layout ---------- */
.wrap{max-width:760px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1080px;margin:0 auto;padding:0 24px}

/* ---------- masthead ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  padding:16px 0;
  transition:box-shadow .25s ease;
}
header.site.scrolled{box-shadow:var(--shadow)}
header.site .wrap-wide{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}

.wordmark{
  font-family:var(--sans);font-size:17px;font-weight:600;letter-spacing:.02em;
  color:var(--ink);text-decoration:none;white-space:nowrap;
  display:inline-flex;align-items:center;gap:10px;
}
.wordmark .rule{display:inline-block;width:3.5px;height:18px;background:var(--accent);border-radius:2px}
.wordmark:hover{color:var(--accent-ink)}

nav.site{font-family:var(--sans);font-size:14px;font-weight:500;display:flex;gap:26px;flex-wrap:wrap}
nav.site a{color:var(--muted);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
nav.site a:hover{color:var(--ink)}
nav.site a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}

/* ---------- type ---------- */
h1{font-family:var(--serif);font-weight:600;font-size:clamp(34px,5.4vw,50px);line-height:1.12;letter-spacing:-.02em;margin:0 0 20px}
h1 em, .lede em{font-style:italic;color:var(--accent-ink)}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3vw,30px);line-height:1.25;letter-spacing:-.01em;margin:0 0 16px}
h3{font-family:var(--serif);font-weight:600;font-size:19px;margin:0 0 8px}
p{margin:0 0 20px}
a{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:var(--line)}
a:hover{text-decoration-color:var(--accent)}

.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.6;color:var(--muted);margin:0 0 32px;max-width:58ch}
.eyebrow{
  font-family:var(--sans);font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);margin:0 0 16px;font-weight:600;
}
.small{font-size:14.5px;color:var(--muted);font-family:var(--sans);line-height:1.65}

/* ---------- hero ---------- */
section.hero{
  padding:72px 0 84px;
  background:
    repeating-linear-gradient(to bottom, transparent 0 46px, var(--line) 46px 47px),
    linear-gradient(var(--bg2), var(--bg));
  background-blend-mode:normal;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:56px;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px}}
.hero-art img{width:100%;height:auto;display:block}
.hero .lede{margin-bottom:28px}

/* ---------- sections ---------- */
section.band{padding:72px 0}
section.band.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:640px;margin-bottom:40px}
.section-head p{color:var(--muted)}

/* ---------- trust strip ---------- */
.trust{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:0;border:1px solid var(--line);border-radius:6px;background:var(--panel);
  overflow:hidden;box-shadow:var(--shadow);
}
.trust > div{padding:22px 24px;border-left:1px solid var(--line)}
.trust > div:first-child{border-left:none}
@media (max-width:700px){.trust > div{border-left:none;border-top:1px solid var(--line)}.trust > div:first-child{border-top:none}}
.trust b{display:flex;align-items:center;gap:9px;font-family:var(--sans);font-size:14px;font-weight:600;margin-bottom:5px}
.trust svg{flex:none;color:var(--accent)}
.trust span{font-family:var(--sans);font-size:13.5px;color:var(--muted);line-height:1.55}

/* ---------- cards ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:6px;
  padding:26px 28px;margin:0 0 16px;box-shadow:var(--shadow);
}
.card h3{margin-bottom:6px}
.card p:last-child{margin-bottom:0}

.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}

.card.media{padding:0;overflow:hidden;transition:transform .2s ease, box-shadow .2s ease}
.card.media:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift)}
.card.media figure{margin:0;background:#f7f5f1;border-bottom:1px solid var(--line)}
.card.media figure img{width:100%;height:auto;display:block}
.card.media .body{padding:22px 26px 26px}

/* ---------- paper frame (product imagery) ---------- */
.paper-frame{
  background:#f7f5f1;border:1px solid var(--line);border-radius:6px;
  padding:clamp(14px,3vw,30px);box-shadow:var(--shadow);margin:0;
}
.paper-frame img{width:100%;height:auto;display:block}
.paper-frame figcaption{font-family:var(--sans);font-size:13px;color:var(--faint);padding-top:12px;text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font-family:var(--sans);font-size:15px;font-weight:600;letter-spacing:.005em;
  padding:13px 24px;border-radius:5px;text-decoration:none;cursor:pointer;
  background:var(--ink);color:var(--bg);border:1px solid var(--ink);
  transition:transform .15s ease, opacity .15s ease, box-shadow .15s ease;
}
.btn:hover{opacity:.88;transform:translateY(-1px);box-shadow:var(--shadow);text-decoration:none}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
@media (prefers-color-scheme: dark){.btn.primary{color:#10241a}}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--ink);opacity:1}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 10px;align-items:center}

/* ---------- product panel (book page) ---------- */
.product-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:start}
@media (max-width:860px){.product-grid{grid-template-columns:1fr;gap:36px}}
.spec{font-family:var(--sans);font-size:14.5px;color:var(--muted);border-top:1px solid var(--line)}
.spec div{display:flex;justify-content:space-between;gap:18px;padding:11px 2px;border-bottom:1px solid var(--line)}
.spec b{color:var(--ink);font-weight:600}

/* ---------- FAQ ---------- */
details{
  border:1px solid var(--line);border-radius:6px;background:var(--panel);
  margin:0 0 12px;box-shadow:var(--shadow);
}
details summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:var(--serif);font-weight:600;font-size:17px;padding:18px 22px;
}
details summary::-webkit-details-marker{display:none}
details summary::after{
  content:"+";font-family:var(--sans);font-weight:400;font-size:22px;color:var(--faint);
  transition:transform .2s ease;flex:none;
}
details[open] summary::after{transform:rotate(45deg)}
details .a{padding:0 22px 20px;color:var(--muted)}
details .a p:last-child{margin-bottom:0}

/* ---------- email capture ---------- */
.capture{
  background:var(--accent-soft);border:1px solid var(--line);
  border-radius:8px;padding:36px 36px;margin:64px 0;box-shadow:var(--shadow);
}
@media (max-width:600px){.capture{padding:26px 22px}}
.capture h2{margin-top:0}
.capture form{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0 12px}
.capture input[type=email]{
  flex:1 1 240px;padding:13px 15px;font-size:16px;font-family:var(--sans);
  border:1px solid var(--line);border-radius:5px;background:var(--panel);color:var(--ink);
}
.capture input[type=email]:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}

/* ---------- misc ---------- */
.note{
  border-left:3px solid var(--accent);background:var(--panel);border-radius:0 6px 6px 0;
  padding:18px 22px;margin:28px 0;font-size:15.5px;box-shadow:var(--shadow);
}
.note p:last-child{margin-bottom:0}

hr.rule{border:none;border-top:1px solid var(--line);margin:64px 0}
.center{text-align:center}
main{padding-bottom:20px}

/* ---------- footer ---------- */
footer.site{
  border-top:1px solid var(--line);margin-top:96px;padding:44px 0 72px;background:var(--bg2);
  font-family:var(--sans);font-size:14px;color:var(--muted);
}
footer.site a{color:var(--muted);text-decoration:none}
footer.site a:hover{color:var(--ink)}
footer.site .cols{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
footer.site nav{display:flex;gap:22px;flex-wrap:wrap}
footer.site .fine{margin-top:26px;font-size:13px;color:var(--faint);max-width:64ch;line-height:1.65}