:root{
  --bg:#f9f6f1;
  --surface:#ffffff;
  --line:#e7e2d8;
  --ink:#1c1a17;
  --ink-soft:#6b6459;
  --accent:#c1502e;
  --accent-dark:#a13f22;
  --accent-tint:#fbe9e1;
  --shadow-sm: 0 2px 8px rgba(28,26,23,0.06);
  --shadow-md: 0 12px 32px rgba(28,26,23,0.10);
  --radius: 18px;
  --header-glass: rgba(249,246,241,0.86);

  --brown-bg:#3c2a1e;
  --forest-bg:#1f3329;
  --dark-heading:#f7f2e8;
  --dark-text:#d9d0c3;
  --dark-gold:#e3b673;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg:#15120d;
    --surface:#1e1a14;
    --line:#332c22;
    --ink:#f2ede3;
    --ink-soft:#b7ac99;
    --accent:#e2763f;
    --accent-dark:#f2955f;
    --accent-tint:rgba(226,118,63,0.16);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.35);
    --shadow-md: 0 14px 34px rgba(0,0,0,0.55);
    --header-glass: rgba(21,18,13,0.86);
  }
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3, .display{
  font-family:'Fraunces', Georgia, serif;
  font-weight:500;
  color:var(--ink);
  letter-spacing:-0.01em;
  line-height:1.15;
}

.eyebrow{
  font-family:'Inter', sans-serif;
  font-weight:600;
  letter-spacing:1.6px;
  text-transform:uppercase;
  font-size:0.72rem;
  color:var(--accent);
}

a{color:inherit;}
img{max-width:100%; display:block;}

/* ---------- NAV ---------- */
header.plank{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--header-glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}

.plank-inner{
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 24px;
  flex-wrap:wrap;
  gap:12px;
  position:relative;
}

.brand{
  font-family:'Fraunces', serif;
  font-weight:600;
  font-style:italic;
  color:var(--ink);
  font-size:1.35rem;
  text-decoration:none;
  letter-spacing:-0.01em;
  display:flex;
  align-items:center;
  gap:10px;
}
.brand svg{width:26px; height:26px; flex-shrink:0;}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:50%;
  object-fit:cover;
  flex-shrink:0;
}

nav.tabs{
  display:flex;
  gap:4px;
  flex-wrap:wrap;
  background:var(--surface);
  border:1px solid var(--line);
  padding:4px;
  border-radius:999px;
}

nav.tabs a{
  font-family:'Inter', sans-serif;
  background:transparent;
  border:none;
  color:var(--ink-soft);
  padding:9px 18px;
  font-size:0.82rem;
  font-weight:600;
  letter-spacing:0.2px;
  text-decoration:none;
  cursor:pointer;
  border-radius:999px;
  transition: all 0.2s ease;
}
nav.tabs a:hover{ color:var(--ink); }
nav.tabs a.active{ background: var(--ink); color:var(--bg); }
nav.tabs a:focus-visible, .btn:focus-visible, .brand:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  background:transparent;
  border:none;
  cursor:pointer;
  padding:8px;
  margin:-8px;
  align-items:center;
  justify-content:center;
}
.hamburger span{
  width:24px;
  height:2.5px;
  background:var(--ink);
  border-radius:2px;
  transition: all 0.3s ease;
}

@media (max-width:560px){
  .plank-inner{padding:14px 20px;}
  .hamburger{display:flex;}
  nav.tabs{display:none; position:absolute; top:100%; left:0; right:0; border-radius:0; width:100%; flex-direction:column; gap:0; background:var(--surface); border:none; border-top:1px solid var(--line); padding:0; z-index:99;}
  nav.tabs.active{display:flex;}
  nav.tabs a{border-radius:0; flex:1 1 auto; text-align:left; padding:16px 20px; border-bottom:1px solid var(--line);}
  nav.tabs a:last-child{border-bottom:none;}
}

.wrap{max-width:1180px; margin:0 auto; padding:0 24px;}
.trail{width:100%; height:1px; margin:0; background:var(--line);}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:'Inter', sans-serif;
  font-size:0.85rem;
  font-weight:600;
  letter-spacing:0.2px;
  padding:14px 26px;
  border-radius:999px;
  text-decoration:none;
  cursor:pointer;
  border:1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover{transform:translateY(-2px); box-shadow:var(--shadow-sm);}
.btn-primary{background:var(--accent); color:#fff;}
.btn-primary:hover{background:var(--accent-dark);}
.btn-outline{background:transparent; color:var(--ink); border-color:var(--line);}
.btn-outline:hover{border-color:var(--ink);}
.btn-kindle{background:#22c55e !important; color:#000 !important; font-weight:700;}
.btn[disabled]{opacity:0.45; cursor:not-allowed; transform:none; box-shadow:none;}

/* ---------- BOOK-TITLE LINKS (blog copy) ---------- */
.book-link{ color: var(--accent-dark); text-decoration: none; border-bottom: 1px solid rgba(193,80,46,0.35); }
.book-link:hover{ border-bottom-color: var(--accent-dark); }

/* ---------- BYLINE (blog posts) ---------- */
.byline{
  font-family:'Inter', sans-serif; font-size:0.85rem; font-weight:600;
  color: var(--ink-soft); margin: 12px 0 0;
}
.byline a{ color: var(--accent-dark); text-decoration: none; border-bottom: 1px solid rgba(193,80,46,0.35); }
.byline a:hover{ border-bottom-color: var(--accent-dark); }

/* ---------- BACK LINKS (blog pages) ---------- */
.back-row{ padding: 28px 0 0; }
.back-link{
  font-family:'Inter', sans-serif; font-weight:600; font-size:0.8rem;
  color:var(--ink-soft); text-decoration:none; display:inline-flex;
  align-items:center; gap:6px;
}
.back-link:hover{ color:var(--ink); }

/* ---------- AUTHOR CARD (bottom of each blog post) ---------- */
.author-card{
  max-width:74ch; margin: 48px auto 0;
  background: var(--forest-bg);
  border-radius: var(--radius);
  padding: 30px 32px;
  display:flex;
  gap:26px;
  align-items:flex-start;
}
.author-card picture{
  flex-shrink:0; width:130px; display:block;
}
.author-card img{
  width:100%; height:auto; border-radius:14px; display:block;
  box-shadow: var(--shadow-md);
}
.author-card .author-copy .eyebrow{ color: var(--dark-gold); }
.author-card .author-copy h3{ color: var(--dark-heading); font-size:1.1rem; font-style:italic; margin: 6px 0 10px; }
.author-card .author-copy p{ color: var(--dark-text); margin:0 0 12px; font-size:0.92rem; }
.author-card .author-copy p .book-link{ color: var(--dark-gold); border-bottom-color: rgba(227,182,115,0.4); }
.author-card .author-copy p .book-link:hover{ border-bottom-color: var(--dark-gold); }
.author-card .more-link{
  color: var(--dark-gold); font-family:'Inter', sans-serif; font-weight:600;
  font-size:0.82rem; text-decoration:none;
}
.author-card .more-link:hover{ text-decoration:underline; }
@media (max-width:560px){ .author-card{ flex-direction:column; text-align:center; } }

/* ---------- FOOTER ---------- */
footer{
  background: var(--bg);
  color: var(--ink-soft);
  padding: 30px 0;
  margin-top:25px;
  border-top:1px solid var(--line);
}
footer .wrap{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-family:'Inter', sans-serif;
  font-size:0.8rem;
}

::selection{background: var(--accent); color:#fff;}