:root {
  --bg: #0d0b08;
  --panel: #19130d;
  --panel-2: #241a11;
  --text: #f4ead7;
  --muted: #c8b99f;
  --gold: #c9a24f;
  --gold-soft: #e3c878;
  --red: #7b241d;
  --line: rgba(201, 162, 79, 0.35);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  background: radial-gradient(circle at top, #2b160f 0%, var(--bg) 45%, #050403 100%);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--gold-soft); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(13, 11, 8, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  gap: 22px;
}

.brand {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.95rem;
}

.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--gold-soft); }

.hero {
  min-height: 76vh;
  display: grid;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(13,11,8,0.96) 0%, rgba(13,11,8,0.78) 45%, rgba(13,11,8,0.35) 100%),
    url('assets/images/book-iv-front-cover.png') center right / contain no-repeat;
}

.hero-inner, .container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 70px 22px;
}

.kicker {
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 700;
}

h1, h2, h3 {
  line-height: 1.12;
  margin: 0 0 18px;
}

h1 {
  font-size: clamp(2.4rem, 6vw, 5.7rem);
  max-width: 760px;
  letter-spacing: -0.04em;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  color: var(--text);
}

h3 { font-size: 1.45rem; color: var(--gold-soft); }
p { max-width: 780px; margin: 0 0 18px; }
.lede { font-size: clamp(1.15rem, 2vw, 1.45rem); color: var(--muted); max-width: 760px; }
.tagline { font-size: 1.35rem; color: var(--gold-soft); font-weight: 700; }

.button-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.button {
  display: inline-block;
  padding: 12px 18px;
  border: 1px solid var(--gold);
  color: #110c06;
  background: var(--gold-soft);
  font-weight: 700;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.83rem;
}
.button.secondary { background: transparent; color: var(--gold-soft); }
.button:hover { text-decoration: none; filter: brightness(1.08); }

.section { border-bottom: 1px solid var(--line); }
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 42px;
  align-items: center;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.card {
  background: linear-gradient(180deg, rgba(36,26,17,0.95), rgba(18,13,8,0.95));
  border: 1px solid var(--line);
  padding: 24px;
  border-radius: 8px;
  min-height: 100%;
}
.card p { color: var(--muted); }

.cover {
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--line);
  box-shadow: 0 25px 70px rgba(0,0,0,0.55);
  display: block;
  margin: 0 auto;
}

.meta-list, .plain-list {
  padding-left: 20px;
  color: var(--muted);
}
.meta-list li, .plain-list li { margin-bottom: 8px; }

.callout {
  background: linear-gradient(135deg, rgba(123,36,29,0.38), rgba(201,162,79,0.12));
  border: 1px solid var(--line);
  padding: 30px;
  border-radius: 8px;
  margin: 30px 0;
}

.form-box {
  border: 1px solid var(--line);
  background: rgba(25, 19, 13, 0.95);
  padding: 24px;
  border-radius: 8px;
  max-width: 740px;
}
label { display: block; margin: 14px 0 6px; color: var(--gold-soft); }
input, textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid rgba(201,162,79,0.45);
  background: #0b0805;
  color: var(--text);
  border-radius: 4px;
  font-family: inherit;
}
textarea { min-height: 150px; }
.small-note { font-size: 0.9rem; color: var(--muted); }

.site-footer {
  background: #070504;
  color: var(--muted);
  padding: 32px 22px;
  border-top: 1px solid var(--line);
}
.footer-inner { max-width: var(--max); margin: 0 auto; }

@media (max-width: 860px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .nav-links { justify-content: flex-start; }
  .hero { background: linear-gradient(rgba(13,11,8,0.92), rgba(13,11,8,0.92)), url('assets/images/book-iv-front-cover.png') center / cover no-repeat; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}