/* Tri-Valley Readers — Book Club Website */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Source+Sans+3:wght@400;500;600&display=swap');

:root {
  --ink: #3d081e;
  --paper: #f8f2f4;
  --cream: #f7ebf0;
  --accent: #821b46;
  --accent-light: #ab3063;
  --muted: #7e3c58;
  --border: #ede1e6;
  --shadow: rgba(99, 67, 80, 0.5);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header & nav */
.site-header {
  background: var(--ink);
  color: var(--paper);
  padding: 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px var(--shadow);
}

.site-header .wrap {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.logo a {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
}

.logo .logo-img {
  height: 5.5rem;
  width: auto;
  display: block;
}

.nav-tabs {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-tabs a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--cream);
  text-decoration: none;
  font-weight: 500;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}

.nav-tabs a:hover,
.nav-tabs a.active {
  background: var(--accent);
  color: var(--paper);
}

/* Main content */
main {
  flex: 1;
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 2rem;
  width: 100%;
}

main .wrap {
  max-width: 720px;
  margin: 0 auto;
}

h1, h2, h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 2.5rem;
  margin: 0 0 1rem;
  color: var(--ink);
}

h2 {
  font-size: 1.75rem;
  margin: 2rem 0 1rem;
  color: var(--accent);
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.35rem;
}

h3 {
  font-size: 1.35rem;
  margin: 1.5rem 0 0.5rem;
  color: var(--ink);
}

p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.lead {
  font-size: 1.2rem;
  color: var(--ink);
}

/* Hero on home */
.hero {
  text-align: center;
  padding: 2rem 0 3rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.hero .hero-logo {
  width: 380px;
  height: auto;
  display: block;
  margin: 0 auto 0.5rem;
}

.hero h1 {
  margin-top: -3.5rem;
}

.hero .tagline {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 1.25rem;
  color: var(--accent);
  margin-top: 0.5rem;
}

/* Cards / sections */
.card {
  background: #fff;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 12px var(--shadow);
  border: 1px solid var(--border);
}

.card h3 {
  margin-top: 0;
}

/* Reading list */
.reading-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border);
}

.reading-tabs button {
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}

.reading-tabs button:hover {
  color: var(--accent);
}

.reading-tabs button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.reading-panel {
  display: none;
}

.reading-panel.active {
  display: block;
}

.empty-notice {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--muted);
  font-style: italic;
  font-size: 1.1rem;
}

.book-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.book-item:last-child {
  border-bottom: none;
}

.book-cover {
  width: 80px;
  min-width: 80px;
  height: 120px;
  background: var(--cream);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  padding: 0.5rem;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.book-info h4 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.25rem;
  margin: 0 0 0.25rem;
  color: var(--ink);
}

.book-info h4 a {
  color: inherit;
}

.book-info h4 a:hover {
  color: inherit;
  text-decoration: underline;
}

.book-info .author {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.book-info .date,
.book-info .notes {
  font-size: 0.9rem;
  color: var(--muted);
}

/* Membership */
.membership-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.membership-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.membership-list li:last-child {
  border-bottom: none;
}

.membership-list .icon {
  color: var(--accent);
  font-size: 1.25rem;
  min-width: 1.5rem;
}

.contact-box {
  background: var(--cream);
  border-radius: 8px;
  padding: 1.5rem;
  margin-top: 2rem;
  border: 1px solid var(--border);
}

.contact-box h3 {
  margin-top: 0;
}

.membership-form-wrap {
  margin-top: 2rem;
}

.membership-form-wrap h3 {
  margin: 0 0 1rem;
}

.membership-form-wrap iframe {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  min-height: 800px;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  color: var(--accent-light);
}

/* Footer */
.site-footer {
  background: var(--cream);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.site-footer .wrap {
  max-width: 960px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 640px) {
  .site-header .wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-tabs {
    width: 100%;
  }

  .nav-tabs a {
    flex: 1;
    text-align: center;
  }

  main {
    padding: 1.5rem 1rem;
  }

  .reading-tabs {
    flex-wrap: wrap;
  }

  .book-item {
    flex-direction: column;
    gap: 1rem;
  }
}