/* Base reset-ish */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #222;
  background-color: #f8f5fb;
  line-height: 1.5;
}

/* Layout helpers */
.container {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.narrow {
  max-width: 640px;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #f8f5fbcc;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #e4d8f5;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.main-nav a {
  margin-left: 1.25rem;
  text-decoration: none;
  font-size: 0.9rem;
  color: #444;
}

.main-nav a:hover {
  color: #7b3fe4;
}

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
  background: radial-gradient(circle at top left, #f2e9ff, #f8f5fb 55%);
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-text {
  max-width: 640px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  color: #444;
}

.btn-primary {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  background: linear-gradient(135deg, #7b3fe4, #e84f9a);
  color: #fff;
}

/* Sections */
.section {
  padding: 3rem 0;
}

.section-alt {
  background: #ffffff;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}

.section h2 {
  font-size: 1.75rem;
  margin: 0 0 1rem;
  text-align: left;
}

/* Two-column layout */
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: flex-start;
}

.card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 8px 20px rgba(43, 23, 77, 0.12);
}

.card h3 {
  margin-top: 0;
}

.card ul {
  padding-left: 1.25rem;
}

/* Books */
.book-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.book-card {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(30, 10, 60, 0.1);
}

.book-card h3 {
  margin-top: 0;
}

.book-tagline {
  font-weight: 500;
  color: #7b3fe4;
  margin-bottom: 0.5rem;
}

.status {
  font-size: 0.9rem;
  font-style: italic;
  color: #777;
}

/* Newsletter */
.newsletter-form {
  margin-top: 1.5rem;
}

.newsletter-form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.newsletter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.newsletter-row input[type="email"] {
  flex: 1 1 200px;
  padding: 0.6rem 0.75rem;
  border-radius: 999px;
  border: 1px solid #ccc;
  font-size: 0.95rem;
}

.newsletter-row button {
  padding: 0.6rem 1.25rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  background: #7b3fe4;
  color: #fff;
}

.form-note {
  font-size: 0.85rem;
  margin-top: 0.5rem;
  color: #666;
}

/* Contact */
.contact-email a {
  font-weight: 600;
  text-decoration: none;
  color: #7b3fe4;
}

.social-links {
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.social-links a {
  text-decoration: none;
  font-size: 0.95rem;
  color: #444;
}

.social-links a:hover {
  color: #7b3fe4;
}

/* Footer */
.site-footer {
  padding: 1.5rem 0 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #777;
}

/* Responsive tweaks */
@media (max-width: 768px) {
  .main-nav {
    display: none; /* keep it super simple for v1; we can add a mobile menu later */
  }

  .two-column {
    grid-template-columns: minmax(0, 1fr);
  }

  .section h2 {
    text-align: center;
  }

  .hero-text {
    text-align: center;
  }
}