:root {
  --bg: #120d0b;
  --panel: #211612;
  --text: #fff7ee;
  --muted: #d9c6b8;
  --gold: #f4b95a;
  --gold-dark: #b87525;
  --cream: #fff1dc;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.hero {
  min-height: 100vh;
  background:
    linear-gradient(rgba(18,13,11,.78), rgba(18,13,11,.92)),
    url('assets/book-cover.jpg') center/cover;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 6vw;
}

.brand {
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--gold);
  text-transform: uppercase;
}

.links {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.links a { color: var(--cream); }
.nav-button, .primary-button, .secondary-button, .review-form button {
  border-radius: 999px;
  padding: .8rem 1.2rem;
  font-weight: 700;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-button, .primary-button, .review-form button {
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: #1a100b;
}
.secondary-button {
  border: 1px solid var(--gold);
  color: var(--gold);
}
a:hover, button:hover { transform: translateY(-2px); opacity: .92; }

.hero-content {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 3rem;
  align-items: center;
  padding: 5rem 6vw 7rem;
  max-width: 1200px;
  margin: 0 auto;
}

.eyebrow {
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: .2em;
  font-size: .85rem;
  font-weight: 700;
}

h1, h2, h3 { line-height: 1.1; margin: 0 0 1rem; }
h1 { font-size: clamp(3rem, 8vw, 6.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
.tagline { font-size: 1.35rem; color: var(--muted); max-width: 620px; }
.button-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 2rem; }

.cover-card {
  padding: 1rem;
  border: 1px solid rgba(244,185,90,.35);
  background: rgba(255,255,255,.06);
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
}
.cover-card img { border-radius: .5rem; }

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 6vw;
}
.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 3rem;
  align-items: start;
}
.split p, .author-section p, .section-heading p { color: var(--muted); font-size: 1.1rem; }

.author-section {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items: center;
  background: var(--panel);
  border-radius: 1.5rem;
  margin-top: 2rem;
}
.author-section img {
  border-radius: 1rem;
  border: 1px solid rgba(244,185,90,.35);
}

.section-heading { text-align: center; max-width: 760px; margin: 0 auto 2.5rem; }
.review-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}
.review-card, .review-form {
  background: var(--panel);
  border: 1px solid rgba(244,185,90,.25);
  border-radius: 1rem;
  padding: 1.5rem;
}
.review-card p { color: var(--cream); font-size: 1.1rem; }
.review-card strong { color: var(--gold); }
.review-form { margin: 2rem auto 0; max-width: 720px; }
.review-form label { display: block; margin: 1rem 0 .35rem; color: var(--gold); font-weight: 700; }
.review-form input, .review-form textarea {
  width: 100%;
  border: 1px solid rgba(244,185,90,.35);
  border-radius: .75rem;
  padding: .9rem 1rem;
  background: #120d0b;
  color: var(--text);
  font: inherit;
}
.review-form button { border: 0; margin-top: 1rem; cursor: pointer; }
.form-note { color: var(--muted); font-size: .9rem; }

.cta {
  text-align: center;
  padding: 5rem 6vw;
  background: linear-gradient(135deg, rgba(244,185,90,.18), rgba(184,117,37,.12));
}
footer { text-align: center; padding: 2rem 6vw; color: var(--muted); }

@media (max-width: 820px) {
  .nav, .hero-content, .split, .author-section { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; flex-direction: column; }
  .review-grid { grid-template-columns: 1fr; }
  .author-section { border-radius: 0; }
}