/* =========================================================
   Shadow of Redemption — site stylesheet
   Palette drawn from the book cover: near-black night blues,
   amber lamplight, off-white type.
   ========================================================= */

:root {
  --bg: #0d1117;
  --bg-alt: #11161f;
  --surface: #171e29;
  --line: #2a3342;
  --text: #e8e6e1;
  --text-dim: #a8adb8;
  --amber: #e8a33d;
  --amber-bright: #f5b954;
  --font-display: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body: 'Lora', Georgia, serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.06rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 780px; }
.center { text-align: center; }

/* ---------- Typography ---------- */

h1, h2, h3, .btn, .eyebrow {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.eyebrow {
  color: var(--amber);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.28em;
  margin-bottom: 12px;
}
.eyebrow.center { text-align: center; }

.section-title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  margin-bottom: 48px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: 3px;
  transition: all 0.25s ease;
  cursor: pointer;
}

.btn-primary {
  background: var(--amber);
  color: #171308;
  box-shadow: 0 4px 20px rgba(232, 163, 61, 0.25);
}
.btn-primary:hover {
  background: var(--amber-bright);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232, 163, 61, 0.4);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--amber); color: var(--amber); }

.btn-nav {
  background: var(--amber);
  color: #171308;
  padding: 8px 18px;
  font-size: 0.82rem;
}
.btn-nav:hover { background: var(--amber-bright); }

/* ---------- Header / Nav ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(13, 17, 23, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.site-header.scrolled { border-bottom-color: var(--line); }

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.nav-brand span { color: var(--amber); font-weight: 400; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a:not(.btn) {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-links a:not(.btn):hover { color: var(--amber); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: 0.3s;
}

/* ---------- Hero ---------- */

.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background:
    radial-gradient(ellipse 60% 50% at 75% 20%, rgba(232, 163, 61, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 60% at 20% 80%, rgba(50, 70, 110, 0.18), transparent 60%),
    var(--bg);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(260px, 400px) 1fr;
  gap: 64px;
  align-items: center;
}

.hero-cover img {
  border-radius: 4px;
  box-shadow:
    0 30px 60px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(232, 163, 61, 0.12);
  transform: rotate(-2deg);
  transition: transform 0.4s ease;
}
.hero-cover img:hover { transform: rotate(0deg) scale(1.02); }

.hero-text h1 {
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: 1.05;
  margin: 6px 0 10px;
}
.hero-text h1 .of { font-weight: 400; font-size: 0.6em; color: var(--text-dim); }
.hero-text h1 .accent { color: var(--amber); }

.tagline {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-bottom: 26px;
}

.hero-lead {
  max-width: 54ch;
  color: var(--text-dim);
  margin-bottom: 34px;
}

.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-note {
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--text-dim);
  font-style: italic;
}

/* ---------- Sections ---------- */

.section { padding: 96px 0; }
.section-dark { background: var(--bg-alt); border-block: 1px solid var(--line); }

/* ---------- Books ---------- */

.book-card {
  display: grid;
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: 56px;
  align-items: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 48px;
  margin-bottom: 40px;
}
.book-card + .book-card { margin-top: 40px; }

.book-card-cover img {
  border-radius: 4px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  transition: transform 0.35s ease;
}
.book-card-cover img:hover { transform: scale(1.03); }

.book-meta {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.8rem;
  color: var(--amber);
  margin-bottom: 8px;
}

.book-card-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: 20px;
}

.book-card-body p { margin-bottom: 20px; color: var(--text-dim); }
.book-card-body p strong { color: var(--text); }

.book-card-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 32px;
  margin: 6px 0 28px;
  padding: 18px 0;
  border-block: 1px solid var(--line);
}
.book-card-facts li { font-size: 0.95rem; }
.book-card-facts li span {
  display: block;
  color: var(--text-dim);
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  margin-bottom: 2px;
}

.book-card-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.coming-soon {
  text-align: center;
  font-style: italic;
  color: var(--text-dim);
  max-width: 52ch;
  margin: 0 auto;
}

/* ---------- Excerpt ---------- */

.excerpt {
  position: relative;
  padding: 8px 0 8px 32px;
  border-left: 3px solid var(--amber);
  margin-bottom: 40px;
}
.excerpt p {
  font-size: 1.12rem;
  font-style: italic;
  color: var(--text-dim);
  margin-bottom: 20px;
}
.excerpt p:last-child { margin-bottom: 0; }

/* ---------- Author ---------- */

.author-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 56px;
  align-items: start;
  max-width: 900px;
  margin: 0 auto;
}

.author-photo img {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  border: 3px solid var(--amber);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

.author-bio p { margin-bottom: 20px; color: var(--text-dim); }
.author-bio p:first-child { color: var(--text); }

/* ---------- Reviews ---------- */

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 44px;
}

.review-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 30px;
  display: flex;
  flex-direction: column;
}

.stars {
  color: var(--amber);
  letter-spacing: 4px;
  font-size: 1.05rem;
  margin-bottom: 16px;
}

.review-text {
  font-style: italic;
  color: var(--text-dim);
  flex: 1;
  margin-bottom: 18px;
}

.review-name {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--amber);
}

/* ---------- Contact ---------- */

.contact-lead {
  max-width: 56ch;
  margin: 0 auto 32px;
  color: var(--text-dim);
}

.social { margin-top: 56px; }

.social-label {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 14px;
}
.social-icons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-dim);
  transition: all 0.25s;
}
.social-icons a:hover {
  border-color: var(--amber);
  color: var(--amber);
  transform: translateY(-3px);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
  text-align: center;
}
.footer-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
}
.footer-tag {
  font-size: 0.85rem;
  color: var(--amber);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.24em;
  margin: 6px 0 14px;
}
.footer-copy { font-size: 0.85rem; color: var(--text-dim); }

/* ---------- Responsive ---------- */

@media (max-width: 920px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }
  .hero-cover { max-width: 320px; margin: 0 auto; }
  .hero-lead { margin-inline: auto; }
  .hero-cta { justify-content: center; }

  .book-card {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 32px 24px;
  }
  .book-card-cover { max-width: 260px; margin: 0 auto; }

  .author-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }
  .author-photo { margin: 0 auto; }

  .reviews-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: rgba(13, 17, 23, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 20px 0 28px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { display: block; padding: 10px; font-size: 1rem; }
  .nav-links .btn-nav { margin-top: 8px; }

  .section { padding: 72px 0; }
  .hero { padding-top: 100px; }
}