/* ============================================================
   CSS Variables — Community Books Design System
   ============================================================ */
:root {
  --color-yellow: #FFDA03;
  --color-blue: #9CCAD8;
  --color-cream: #F5F1E6;
  --color-brown: #2E241D;
  --color-green: #4F7C2A;
  --text-primary: #1F1F1F;
  --text-secondary: #6B6B6B;

  --font-heading: "Indie Flower", cursive;
  --font-body: "Inter", sans-serif;
  --font-serif: "Crimson Text", serif;

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  --max-width: 1100px;
  --border-radius: 8px;
}

/* ============================================================
   Reset & Base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--color-cream);
}

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

a {
  color: var(--color-green);
  text-decoration: underline;
}

a:hover {
  color: var(--color-brown);
}

ul {
  list-style: none;
}

/* ============================================================
   Layout
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2 {
  font-family: var(--font-heading);
  color: var(--color-brown);
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.25rem); }

h3 {
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-brown);
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  background-color: var(--color-brown);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
}

.logo {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--color-yellow);
}

.site-name {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-yellow);
  white-space: nowrap;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-xl);
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-cream);
  text-decoration: none;
  letter-spacing: 0.03em;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-yellow);
  border-bottom-color: var(--color-yellow);
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-brown);
  border: 2px solid var(--color-yellow);
}

.btn-primary:hover {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-brown);
  border: 2px solid var(--color-brown);
}

.btn-secondary:hover {
  background-color: var(--color-brown);
  color: var(--color-yellow);
}

.btn-yellow {
  background-color: var(--color-yellow);
  color: var(--color-brown);
  border: 2px solid var(--color-yellow);
}

.btn-yellow:hover {
  background-color: var(--color-green);
  border-color: var(--color-green);
  color: white;
}

.btn-outline-yellow {
  background-color: transparent;
  color: var(--color-yellow);
  border: 2px solid var(--color-yellow);
}

.btn-outline-yellow:hover {
  background-color: var(--color-yellow);
  color: var(--color-brown);
}

/* ============================================================
   Sections
   ============================================================ */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-cream {
  background-color: var(--color-cream);
}

.section-blue {
  background-color: var(--color-blue);
}

.section-dark {
  background-color: var(--color-brown);
  color: var(--color-cream);
}

.section-dark h2,
.section-dark h3 {
  color: var(--color-yellow);
}

.section-dark p {
  color: var(--color-cream);
}

.section-intro {
  color: var(--text-secondary);
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
  max-width: 640px;
}

.section-blue .section-intro {
  color: var(--color-brown);
}

.section-dark .section-intro {
  color: var(--color-cream);
  opacity: 0.85;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  background-color: var(--color-blue);
  padding: calc(var(--spacing-xxl) * 1.5) 0;
}

.hero-inner {
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  color: var(--color-brown);
  margin-bottom: var(--spacing-md);
}

.hero-sub {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-brown);
  margin-bottom: var(--spacing-md);
}

.hero-desc {
  color: var(--color-brown);
  margin-bottom: var(--spacing-xl);
  max-width: 620px;
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ============================================================
   About Preview (two-col)
   ============================================================ */
.section-two-col {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-xxl);
  align-items: center;
}

.section-text h2 {
  margin-bottom: var(--spacing-md);
}

.section-text p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.link-arrow {
  font-weight: 600;
  color: var(--color-green);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.link-arrow:hover {
  border-bottom-color: var(--color-green);
  color: var(--color-green);
}

.about-logo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--color-yellow);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

/* ============================================================
   Category Grid
   ============================================================ */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.category-card {
  background-color: var(--color-cream);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  font-weight: 600;
  color: var(--color-brown);
  border-left: 4px solid var(--color-yellow);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* ============================================================
   Events Grid
   ============================================================ */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.event-card {
  background-color: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.event-icon {
  display: block;
  font-size: 1.5rem;
  color: var(--color-yellow);
  margin-bottom: var(--spacing-sm);
}

.follow-note {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.follow-note a {
  color: var(--color-green);
  font-weight: 600;
}

/* ============================================================
   Visit Section
   ============================================================ */
.visit-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xxl);
  align-items: start;
}

.visit-address,
.visit-hours {
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.visit-support h3 {
  color: var(--color-yellow);
  margin-bottom: var(--spacing-md);
  font-family: var(--font-heading);
  font-size: 1.5rem;
}

.visit-support p {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

/* ============================================================
   Page Header (single pages)
   ============================================================ */
.page-header {
  padding: var(--spacing-xxl) 0 var(--spacing-xl);
}

.page-header h1 {
  color: var(--color-brown);
}

/* ============================================================
   Page Content (single pages)
   ============================================================ */
.page-content {
  padding: var(--spacing-xxl) 0;
}

.content-narrow {
  max-width: 720px;
}

.content-narrow h2 {
  margin-top: var(--spacing-xxl);
  margin-bottom: var(--spacing-md);
  font-size: 1.75rem;
}

.content-narrow h2:first-child {
  margin-top: 0;
}

.content-narrow p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.content-narrow ul {
  list-style: disc;
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

.content-narrow li {
  margin-bottom: var(--spacing-xs);
}

.content-narrow strong {
  color: var(--text-primary);
  font-weight: 600;
}

.content-narrow a {
  color: var(--color-green);
  font-weight: 600;
}

.content-narrow hr {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.1);
  margin: var(--spacing-xxl) 0;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background-color: var(--color-brown);
  color: var(--color-cream);
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-xxl);
  padding: var(--spacing-xxl) var(--spacing-xl);
}

.footer-name {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-yellow);
  margin-bottom: var(--spacing-sm);
}

.footer-tagline {
  font-size: 0.9rem;
  opacity: 0.75;
  font-style: italic;
}

.footer-info p {
  margin-bottom: var(--spacing-md);
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.85;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-cream);
  text-decoration: none;
  font-size: 0.9rem;
  opacity: 0.85;
  transition: color 0.2s, opacity 0.2s;
}

.footer-links a:hover {
  color: var(--color-yellow);
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--spacing-md) var(--spacing-xl);
}

.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.5;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-lg);
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }

  .main-nav ul {
    gap: var(--spacing-lg);
  }

  .section-two-col {
    grid-template-columns: 1fr;
  }

  .about-logo {
    width: 140px;
    height: 140px;
    margin: 0 auto;
  }

  .visit-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-xxl);
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    padding: var(--spacing-xxl) var(--spacing-lg);
  }

  .hero {
    padding: var(--spacing-xxl) 0;
  }
}

@media (max-width: 480px) {
  .hero-ctas {
    flex-direction: column;
    align-items: flex-start;
  }

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

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