:root {
  --bg: #070707;
  --bg-alt: #101010;
  --gold: #c9a227;
  --gold-soft: #e4c56a;
  --gold-dim: rgba(201, 162, 39, 0.18);
  --white: #f4f1ea;
  --muted: #b8b3a8;
  --line: rgba(201, 162, 39, 0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Source Sans 3", system-ui, sans-serif;
  background: var(--bg);
  color: var(--white);
  line-height: 1.7;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: min(1120px, 92%);
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 7, 7, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  font-family: "Cinzel", serif;
  font-weight: 700;
  color: var(--gold);
  border: 1px solid var(--gold);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  font-size: 0.85rem;
}

.logo-text {
  font-family: "Cinzel", serif;
  letter-spacing: 0.08em;
  font-size: 0.92rem;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 28px;
}

.nav a {
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--gold);
  font-size: 1.5rem;
  cursor: pointer;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  place-items: center;
  text-align: center;
  background:
    radial-gradient(ellipse at 20% 80%, rgba(201,162,39,0.12), transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(80,120,180,0.12), transparent 45%),
    #050505;
  border-bottom: 1px solid var(--line);
}

.hero-content { position: relative; padding: 80px 0; }

.eyebrow {
  font-family: "Cinzel", serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  font-size: 0.75rem;
  margin-bottom: 18px;
}

.hero h1 {
  font-family: "Cinzel", serif;
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.15;
  margin-bottom: 18px;
}

.hero h1 span { color: var(--gold-soft); }

.hero-sub {
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 14px 26px;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--gold);
}

.btn-gold {
  background: var(--gold);
  color: #111;
  font-weight: 600;
}

.btn-gold:hover { background: var(--gold-soft); }

.btn-outline { color: var(--gold); }

.btn-outline:hover { background: var(--gold-dim); }

.section { padding: 96px 0; }

.section-autor, .section-comprar { background: var(--bg-alt); }

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.ornament {
  display: block;
  color: var(--gold);
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.section-header h2 {
  font-family: "Cinzel", serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
}

.section-kicker {
  margin-top: 8px;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.autor-grid, .livro-grid, .contato-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 48px;
  align-items: center;
}

.autor-foto img, .livro-capa img {
  width: 100%;
  border: 1px solid var(--line);
}

.autor-foto img {
  object-fit: cover;
  aspect-ratio: 4/5;
}

.autor-texto p, .livro-texto p { margin-bottom: 16px; color: #ddd8ce; }

.autor-assinatura {
  margin-top: 24px;
  color: var(--gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

.instagram {
  display: inline-block;
  margin-top: 10px;
  color: var(--gold-soft);
  border-bottom: 1px solid var(--line);
}

.livro-texto h3 {
  font-family: "Cinzel", serif;
  font-size: 1.55rem;
  margin-bottom: 6px;
}

.livro-tagline {
  color: var(--gold);
  font-family: "Cormorant Garamond", serif;
  font-style: italic;
  font-size: 1.2rem;
  margin-bottom: 20px !important;
}

.buy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.buy-card {
  border: 1px solid var(--line);
  padding: 32px 24px;
  background: #0c0c0c;
  display: flex;
  flex-direction: column;
  min-height: 180px;
}

.buy-card:hover { border-color: var(--gold); background: #12100a; }

.buy-platform {
  font-family: "Cinzel", serif;
  font-size: 1.2rem;
  color: var(--gold-soft);
}

.buy-desc {
  color: var(--muted);
  margin: 10px 0 24px;
  flex: 1;
}

.buy-cta { color: var(--gold); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.78rem; }

.contato-info p { margin-bottom: 22px; color: #ddd8ce; }

.contact-link {
  display: block;
  color: var(--gold-soft);
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.contato-form {
  display: grid;
  gap: 16px;
}

.contato-form label {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.contato-form input,
.contato-form textarea {
  background: #0a0a0a;
  border: 1px solid var(--line);
  color: var(--white);
  padding: 12px 14px;
  font: inherit;
  text-transform: none;
  letter-spacing: 0;
}

.contato-form input:focus,
.contato-form textarea:focus {
  outline: none;
  border-color: var(--gold);
}

.form-note {
  font-size: 0.82rem;
  color: var(--muted);
}

.footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-sub { color: var(--gold); margin-top: 6px; font-family: "Cinzel", serif; font-size: 0.78rem; letter-spacing: 0.1em; }

@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #0b0b0b;
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--line);
    gap: 16px;
  }
  .nav.open { display: flex; }
  .autor-grid, .livro-grid, .contato-grid, .buy-cards {
    grid-template-columns: 1fr;
  }
  .hero { min-height: 78vh; }
}