:root {
  --bg: #fdfcfa;
  --ink: #161513;
  --ink-dim: #8c8a85;
  --border: rgba(22, 21, 19, 0.14);
  --accent: #3c5a68;
  --display: "Bebas Neue", Impact, sans-serif;
  --body: "Cormorant Garamond", Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 20px;
  line-height: 1.65;
}

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

section {
  padding: 6rem 8vw;
  scroll-margin-top: 5rem;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 6vw;
  background: rgba(253, 252, 250, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav__mark {
  font-family: var(--display);
  font-size: 1.4rem;
  letter-spacing: 0.12em;
}

.nav__links {
  display: flex;
  gap: 2rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.nav__links a:hover { color: var(--ink); }

.hero {
  text-align: center;
  padding-top: 5rem;
  padding-bottom: 3rem;
}

.hero__name {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3.5rem, 12vw, 8rem);
  margin: 0;
  letter-spacing: 0.05em;
  line-height: 1;
}

.hero__tagline {
  font-family: var(--display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  letter-spacing: 0.25em;
  color: var(--ink-dim);
  margin: 1rem 0 0;
}

.about {
  display: grid;
  grid-template-columns: minmax(220px, 380px) 1fr;
  gap: 6vw;
  align-items: center;
  padding-top: 2rem;
}

.about__portrait img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.about__text p {
  max-width: 62ch;
  font-size: 1.15rem;
}

.about__text a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.book {
  padding: 0;
}

.book__hero-photo {
  min-height: 78vh;
  background: linear-gradient(180deg, rgba(10,10,10,0.15), rgba(10,10,10,0.55)), url("hero.jpg");
  background-size: cover;
  background-position: center 30%;
  display: flex;
  align-items: flex-end;
  padding: 4rem 8vw;
  color: #fff;
}

.book__hero-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(3.5rem, 11vw, 7rem);
  margin: 0;
  letter-spacing: 0.08em;
  line-height: 1;
}

.book__hero-byline {
  font-family: var(--display);
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  margin: 0.5rem 0 0;
}

.book__hero-tagline {
  font-size: 1.2rem;
  font-style: italic;
  margin: 1.25rem 0 0;
  opacity: 0.9;
}

.book__panel {
  display: grid;
  grid-template-columns: minmax(200px, 300px) 1fr;
  gap: 6vw;
  align-items: center;
  padding: 5rem 8vw;
}

.book__cover {
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.35);
}

.book__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 2.5rem;
  letter-spacing: 0.04em;
  margin: 0 0 0.25rem;
}

.book__price {
  font-size: 1.5rem;
  margin: 0 0 1.5rem;
  color: var(--ink-dim);
}

.button {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  border: 1.5px solid var(--ink);
  color: var(--ink);
  font-family: var(--display);
  letter-spacing: 0.08em;
  font-size: 1rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.button:hover {
  background: var(--ink);
  color: var(--bg);
}

.book__note {
  font-size: 0.9rem;
  color: var(--ink-dim);
  margin-top: 1.25rem;
}

.contact {
  text-align: center;
  border-top: 1px solid var(--border);
}

.contact__heading {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: 0.06em;
  margin: 0 0 1.5rem;
}

.contact__email {
  font-size: 1.3rem;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.contact__social {
  margin-top: 2rem;
  display: flex;
  gap: 2rem;
  justify-content: center;
  font-family: var(--display);
  letter-spacing: 0.08em;
  color: var(--ink-dim);
}

.contact__social a:hover { color: var(--ink); }

.footer {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--ink-dim);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
}

@media (max-width: 720px) {
  .nav__links { gap: 1.2rem; font-size: 0.7rem; }
  section { padding: 4rem 6vw; }
  .about, .book__panel {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .about__portrait { max-width: 320px; margin: 0 auto; }
  .about__text p { margin-left: auto; margin-right: auto; }
  .book__cover { max-width: 240px; margin: 0 auto; }
  .book__hero-photo { align-items: center; text-align: center; min-height: 60vh; }
}