/* ===== 1. CSS Custom Properties ===== */
:root {
  --color-primary: #B8860B;
  --color-primary-light: #F5E6C8;
  --color-primary-hover: #9A7209;
  --color-secondary: #6B7F5E;
  --color-secondary-light: #E8EDE5;
  --color-bg: #FAFAF5;
  --color-surface: #FFFFFF;
  --color-text: #3D3229;
  --color-text-light: #6B5E50;
  --color-accent: #8B4049;
  --color-border: #E0D8CF;

  --font-heading: 'Crimson Pro', Georgia, 'Times New Roman', serif;
  --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===== 2. Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 1rem;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

/* ===== 3. Utilities ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
.skip-link {
  position: absolute; top: -100%; left: 0.5rem;
  background: var(--color-primary); color: #fff;
  padding: 0.5rem 1rem; border-radius: 0 0 4px 4px; z-index: 200;
}
.skip-link:focus { top: 0; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0;
}

/* ===== 4. Site Header ===== */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.site-logo:hover { color: var(--color-primary); }
.site-logo__icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

/* Navigation Toggle (Mobile) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}
.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.active .nav-toggle__bar:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle.active .nav-toggle__bar:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Navigation Menu */
.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  padding: 1rem 0;
}
.site-nav--open { display: block; }
.site-nav__list { list-style: none; padding: 0; }
.site-nav__link {
  display: flex;
  align-items: center;
  padding: 0.85rem 1.25rem;
  color: var(--color-text);
  font-size: 1.05rem;
  font-weight: 400;
  text-decoration: none;
  min-height: 48px;
}
.site-nav__link:hover,
.site-nav__link--active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    display: block;
    position: static;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
  }
  .site-nav__list { display: flex; gap: 0.25rem; }
  .site-nav__link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    border-radius: 4px;
    min-height: auto;
  }
  .site-nav__link:hover,
  .site-nav__link--active {
    background: var(--color-primary-light);
  }
  .site-nav__link--active { font-weight: 600; }
}

/* ===== 5. Hero Section ===== */
.hero {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #faf3e6 50%, var(--color-secondary-light) 100%);
  padding: 3rem 0;
  text-align: center;
  border-bottom: 3px solid var(--color-primary);
}
.hero__image {
  width: 120px;
  height: auto;
  margin: 0 auto 1.5rem;
  opacity: 0.85;
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  letter-spacing: 0.02em;
}
.hero__subtitle {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 3vw, 1.35rem);
  color: var(--color-text-light);
  font-style: italic;
  max-width: 600px;
  margin: 0 auto 1.5rem;
}
.hero__quote {
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  color: var(--color-secondary);
  font-style: italic;
  max-width: 500px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}
@media (min-width: 768px) {
  .hero { padding: 4.5rem 0; }
  .hero__image { width: 160px; }
}

/* ===== 6. Page Header (non-home pages) ===== */
.page-header {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, #faf3e6 100%);
  padding: 2.5rem 0;
  text-align: center;
  border-bottom: 3px solid var(--color-primary);
}
.page-header__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 600;
  color: var(--color-text);
}
.page-header__subtitle {
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: var(--color-text-light);
  font-style: italic;
  max-width: 600px;
  margin: 0.5rem auto 0;
}
@media (min-width: 768px) {
  .page-header { padding: 3.5rem 0; }
}

/* ===== 7. Sections ===== */
.section { padding: 2.5rem 0; }
.section--alt { background: var(--color-secondary-light); }
.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}
.section__intro {
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}
@media (min-width: 768px) {
  .section { padding: 3.5rem 0; }
}

/* ===== 8. Feature Cards (Home page) ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.75rem;
  text-align: center;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  color: var(--color-text);
}
.feature-card__icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.feature-card__desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}
@media (min-width: 768px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== 9. Author Preview (Home page) ===== */
.author-preview {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  text-align: center;
}
.author-preview__photo {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  border: 3px solid var(--color-border);
  object-fit: cover;
  flex-shrink: 0;
}
.author-preview__text p { margin-bottom: 1rem; line-height: 1.8; }
.author-preview__link {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-primary-light);
  padding-bottom: 2px;
}
.author-preview__link:hover { border-bottom-color: var(--color-primary); }
@media (min-width: 768px) {
  .author-preview {
    flex-direction: row;
    text-align: left;
    gap: 2.5rem;
  }
}

/* ===== 10. About Page Author ===== */
.author-full {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
}
.author-full__photo {
  width: 200px;
  height: auto;
  border-radius: 8px;
  border: 3px solid var(--color-border);
  flex-shrink: 0;
}
.author-full__bio p { margin-bottom: 1rem; line-height: 1.8; }
@media (min-width: 768px) {
  .author-full {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }
}

/* ===== 11. Filter Bar ===== */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 0.25rem;
}
.filter-btn {
  padding: 0.55rem 1.15rem;
  border: 1.5px solid var(--color-border);
  border-radius: 100px;
  background: var(--color-surface);
  color: var(--color-text-light);
  font-family: var(--font-body);
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  transition: all 0.2s;
}
.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.filter-btn--active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.filter-btn--active:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

/* ===== 12. Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.card__category {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}
.card__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}
.card__description {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex-grow: 1;
}
.card__meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}
.card__download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  text-align: center;
  justify-content: center;
  min-height: 44px;
  transition: background 0.2s;
}
.card__download:hover {
  background: var(--color-primary-hover);
  color: #fff;
}
.card__download--video {
  background: var(--color-accent);
  margin-top: 0.5rem;
}
.card__download--video:hover {
  background: #6E2F37;
  color: #fff;
}
@media (min-width: 768px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===== 13. Monk Card ===== */
.monk-card {
  display: block;
  padding: 1.5rem;
  border-left: 4px solid var(--color-primary);
  background: var(--color-surface);
  border-radius: 0 8px 8px 0;
  margin-bottom: 1rem;
  text-decoration: none;
  color: var(--color-text);
  transition: background 0.2s, transform 0.2s;
}
.monk-card:hover {
  background: var(--color-primary-light);
  transform: translateX(4px);
  color: var(--color-text);
}
.monk-card__name {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.monk-card__description {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}
.monk-card__arrow {
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
}

/* ===== 14. Video Embed ===== */
.video-embed { max-width: 800px; margin: 0 auto; }
.video-embed iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

/* ===== 15. Newsletter Section ===== */
.newsletter-group { margin-bottom: 2.5rem; }
.newsletter-group__title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-primary-light);
}

/* ===== 16. Support Page ===== */
.support-content { max-width: 700px; }
.support-content p { margin-bottom: 1rem; line-height: 1.8; }
.support-content h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 600;
  margin: 2rem 0 0.75rem;
  color: var(--color-text);
}
.support-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}
.support-content li { margin-bottom: 0.5rem; line-height: 1.7; }

.support-donate {
  margin: 2rem 0;
  text-align: center;
}
.support-donate__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-primary);
  color: #fff;
  padding: 0.85rem 2rem;
  border-radius: 6px;
  font-size: 1.05rem;
  font-weight: 600;
  text-decoration: none;
  min-height: 48px;
  transition: background 0.2s, transform 0.2s;
}
.support-donate__btn:hover {
  background: var(--color-primary-hover);
  color: #fff;
  transform: translateY(-1px);
}

.support-quote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 0 8px 8px 0;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-style: italic;
  color: var(--color-text);
  line-height: 1.7;
}
.support-quote span {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ===== 17. Footer ===== */
.site-footer {
  background: var(--color-text);
  color: var(--color-primary-light);
  padding: 2.5rem 0;
  text-align: center;
  margin-top: 2rem;
}
.site-footer p {
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  opacity: 0.85;
}
.site-footer__note {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1rem;
  opacity: 1;
  margin-top: 1rem;
}

/* ===== 18. Contact Form ===== */
.contact-form {
  max-width: 520px;
}
.contact-form__group {
  margin-bottom: 1.25rem;
}
.contact-form__label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}
.contact-form__input,
.contact-form__textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: 6px;
  transition: border-color 0.2s;
}
.contact-form__input:focus,
.contact-form__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.contact-form__textarea {
  resize: vertical;
  min-height: 120px;
}
.contact-form__submit {
  display: inline-flex;
  align-items: center;
  background: var(--color-primary);
  color: #fff;
  padding: 0.7rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 44px;
  transition: background 0.2s;
}
.contact-form__submit:hover {
  background: var(--color-primary-hover);
}