/* ============================================
   中華身心平衡推廣協會 - Stylesheet
   Design: Warm, Clean, Balanced
   ============================================ */

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

:root {
  /* Colors - Warm Terracotta & Cream */
  --color-primary: #b85c3c;
  --color-primary-dark: #9a4530;
  --color-primary-light: #d4876a;
  --color-secondary: #c9954c;
  --color-secondary-dark: #a87a36;
  --color-accent: #e8a87c;

  --color-bg: #fdf8f3;
  --color-bg-alt: #f7f0e8;
  --color-bg-dark: #3a2e26;
  --color-bg-dark-alt: #4a3a30;

  --color-text: #2a2018;
  --color-text-light: #6a5a50;
  --color-text-muted: #9a8a80;
  --color-text-inverse: #f5f0eb;
  --color-text-inverse-muted: #b5a89e;

  --color-white: #ffffff;
  --color-border: #ece5dc;
  --color-border-dark: #5a4a3e;

  /* Typography */
  --font-serif: 'Noto Serif TC', 'Cormorant Garamond', serif;
  --font-sans: 'Noto Sans TC', -apple-system, sans-serif;

  /* Spacing */
  --section-padding: 100px 0;
  --container-max: 1200px;
  --container-padding: 0 24px;

  /* Transitions */
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(184, 92, 60, 0.3);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(184, 92, 60, 0.4);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-text);
}

.btn-outline:hover {
  background: var(--color-text);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: var(--color-text-inverse);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ===== Section Headers ===== */
.section-header {
  margin-bottom: 60px;
}

.section-header.center {
  text-align: center;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 1.5px;
  background: var(--color-primary);
}

.section-label.light {
  color: var(--color-primary-light);
}

.section-label.light::before {
  background: var(--color-primary-light);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 20px;
}

.section-title.light {
  color: var(--color-text-inverse);
}

.section-intro {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-intro.light {
  color: var(--color-text-inverse-muted);
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: rgba(253, 248, 243, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(253, 248, 243, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-primary-dark);
}

.nav-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-logo:hover .nav-logo-img {
  transform: scale(1.05);
}

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

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.2;
}

.logo-sub {
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text);
  text-decoration: none;
  border-radius: 30px;
  transition: var(--transition);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(184, 92, 60, 0.08);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 500;
}

.nav-cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 10px 24px;
  font-weight: 500;
}

.nav-cta:hover {
  background: var(--color-primary-dark);
  color: var(--color-white) !important;
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(135deg, #f7f0e8 0%, #f0e6d8 40%, #f5e0cc 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  padding: 120px 24px 80px;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 4px;
  color: var(--color-primary);
  margin-bottom: 24px;
  padding: 8px 24px;
  border: 1px solid rgba(184, 92, 60, 0.3);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 28px;
  color: var(--color-text);
}

.title-line {
  display: block;
  animation: fadeInUp 0.8s ease both;
}

.title-line:nth-child(1) {
  animation-delay: 0.3s;
}

.title-line:nth-child(2) {
  animation-delay: 0.5s;
}

.title-accent {
  color: var(--color-primary);
  font-style: italic;
  font-weight: 400;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 40px;
  animation: fadeInUp 0.8s ease 0.7s both;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  animation: fadeInUp 0.8s ease 0.9s both;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.hero-scroll span {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  top: -40px;
  left: 0;
  width: 100%;
  height: 40px;
  background: var(--color-primary);
  animation: scrollDown 2s ease-in-out infinite;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scrollDown {
  0% { top: -40px; }
  100% { top: 40px; }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Stats Bar ===== */
.stats-bar {
  background: var(--color-bg-dark);
  padding: 50px 0;
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.stat-item {
  text-align: center;
  flex: 1;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-number::after {
  content: '+';
  font-size: 28px;
  vertical-align: top;
  margin-left: 2px;
}

.stat-label {
  font-size: 14px;
  color: var(--color-text-inverse-muted);
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 50px;
  background: rgba(255, 255, 255, 0.1);
}

/* ===== About Section ===== */
.about {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-badge {
  background: var(--color-white);
  padding: 24px 32px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  text-align: center;
}

.badge-year {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.badge-text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.about-desc {
  font-size: 16px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.about-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--color-bg-alt);
  border-radius: 12px;
  transition: var(--transition);
}

.about-feature:hover {
  background: rgba(184, 92, 60, 0.08);
  transform: translateY(-2px);
}

.feature-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 10px;
}

.about-feature span {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

/* ===== Three Pillars Section ===== */
.pillars {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.pillars .container {
  position: relative;
  z-index: 1;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.pillar-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 48px 32px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  text-align: left;
}

.pillar-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(212, 135, 106, 0.4);
  transform: translateY(-8px);
}

.pillar-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.pillar-icon-1 { background: rgba(212, 135, 106, 0.2); color: var(--color-primary-light); }
.pillar-icon-2 { background: rgba(232, 168, 124, 0.2); color: var(--color-accent); }
.pillar-icon-3 { background: rgba(201, 149, 76, 0.2); color: var(--color-secondary); }

.pillar-card:hover .pillar-icon {
  transform: scale(1.1) rotate(5deg);
}

.pillar-card h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: 16px;
}

.pillar-quote {
  font-family: var(--font-serif);
  font-size: 16px;
  font-style: italic;
  color: var(--color-primary-light) !important;
  margin-bottom: 12px !important;
  line-height: 1.6;
}

.pillar-desc {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-inverse-muted);
}

/* ===== Health Knowledge Section ===== */
.knowledge {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.knowledge-card {
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
}

.knowledge-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 50px rgba(0, 0, 0, 0.12);
}

.knowledge-image {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.knowledge-img-1 { background: linear-gradient(135deg, #e8a87c, #d4876a); }
.knowledge-img-2 { background: linear-gradient(135deg, #d4876a, #b85c3c); }
.knowledge-img-3 { background: linear-gradient(135deg, #c9954c, #a87a36); }

.knowledge-cat {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary-dark);
  backdrop-filter: blur(4px);
}

.knowledge-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.knowledge-date {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.knowledge-body h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.5;
}

.knowledge-body p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 20px;
  flex: 1;
}

.knowledge-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
}

.knowledge-link:hover {
  color: var(--color-primary-dark);
  letter-spacing: 0.5px;
}

/* ===== Course Card (升級版) ===== */
.knowledge-course {
  grid-column: span 2;
  background: linear-gradient(180deg, var(--color-white) 0%, #fef5ec 100%);
  border: 2px solid var(--color-primary);
  position: relative;
}

.knowledge-course::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.knowledge-course .knowledge-image {
  height: 240px;
}

.course-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 6px 14px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.knowledge-course .knowledge-body h3 {
  font-size: 24px;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

.course-tagline {
  font-size: 15px !important;
  color: var(--color-primary) !important;
  font-weight: 500;
  margin-bottom: 24px !important;
  font-style: italic;
}

.course-meta {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 24px;
  padding: 20px;
  background: rgba(184, 92, 60, 0.06);
  border-radius: 14px;
  border: 1px dashed rgba(184, 92, 60, 0.2);
}

.course-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.course-meta-icon {
  font-size: 22px;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-white);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.course-meta-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.course-meta-label {
  font-size: 11px;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

.course-meta-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}

.course-outline {
  margin-bottom: 24px;
}

.course-outline h4 {
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  font-weight: 600;
}

.course-outline ol {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: course-step;
}

.course-outline li {
  position: relative;
  padding: 10px 0 10px 36px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text-light);
  border-bottom: 1px dashed rgba(184, 92, 60, 0.12);
  counter-increment: course-step;
}

.course-outline li:last-child {
  border-bottom: none;
}

.course-outline li::before {
  content: counter(course-step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.course-outline li strong {
  color: var(--color-text);
  font-weight: 600;
}

.course-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 20px;
  border-top: 1px solid rgba(184, 92, 60, 0.12);
  flex-wrap: wrap;
}

.btn-course-primary {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.5px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(184, 92, 60, 0.3);
}

.btn-course-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(184, 92, 60, 0.4);
  color: var(--color-white);
}

.course-note {
  font-size: 13px;
  color: var(--color-text-muted);
  font-style: italic;
}

@media (max-width: 1024px) {
  .knowledge-course { grid-column: span 1; }
  .course-meta { grid-template-columns: 1fr; gap: 10px; }
  .course-meta-item { padding: 6px 0; }
}

/* ===== Lectures Section ===== */
.lectures {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

.lectures-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.lecture-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 28px;
  transition: var(--transition);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.lecture-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.lecture-featured {
  grid-column: span 2;
  grid-row: span 2;
  background: linear-gradient(135deg, var(--color-white), #fdf0e8);
  border-color: rgba(184, 92, 60, 0.2);
}

.lecture-date {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-bg-alt);
}

.lecture-day {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.lecture-month {
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  margin-top: 4px;
}

.lecture-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.lecture-image {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 16px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lecture-image img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: contain;
  display: block;
}

.lecture-featured .lecture-image img {
  max-height: 520px;
}

.lecture-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.lecture-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 12px;
}

.tag-free { background: rgba(184, 92, 60, 0.12); color: var(--color-primary); }
.tag-workshop { background: rgba(232, 168, 124, 0.15); color: #c8845a; }
.tag-health { background: rgba(201, 149, 76, 0.15); color: var(--color-secondary-dark); }
.tag-ended { background: rgba(154, 154, 142, 0.15); color: var(--color-text-muted); }

.lecture-content h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 10px;
  line-height: 1.5;
}

.lecture-featured h3 {
  font-size: 22px;
}

.lecture-content p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 16px;
  flex: 1;
}

.lecture-featured p {
  font-size: 15px;
}

.lecture-footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.lecture-meta {
  font-size: 13px;
  color: var(--color-text-muted);
}

.lecture-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}

.lecture-link:hover {
  color: var(--color-primary-dark);
}

.link-active {
  color: var(--color-accent);
}

.lectures-more {
  text-align: center;
  margin-top: 40px;
}

/* ===== Charity Section ===== */
.charity {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.charity-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 50px;
  align-items: stretch;
  margin-bottom: 60px;
}

.charity-poster {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-border);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
}

.charity-poster img {
  width: 100%;
  height: auto;
  max-height: 640px;
  object-fit: contain;
  display: block;
}

.charity-info {
  display: flex;
  flex-direction: column;
}

.charity-card {
  background: var(--color-white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.charity-date {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.charity-day {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.charity-month {
  font-size: 14px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

.charity-card h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.4;
}

.charity-desc {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.charity-services {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 28px;
}

.charity-service {
  text-align: center;
  padding: 12px 8px;
  background: var(--color-bg-alt);
  border-radius: 12px;
  font-size: 13px;
  color: var(--color-text);
  font-weight: 500;
}

.charity-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.charity-meta {
  font-size: 14px;
  color: var(--color-text-light);
}

.charity-gallery {
  margin-top: 40px;
}

.charity-gallery-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 28px;
}

.charity-photos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.charity-photo {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
  aspect-ratio: 4/3;
}

.charity-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: var(--transition);
}

.charity-photo:hover img {
  transform: scale(1.05);
}

/* ===== Donations Section ===== */
.donations {
  padding: var(--section-padding);
  background: var(--color-bg-alt);
}

.donations-summary {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 50px;
  flex-wrap: wrap;
}

.donation-stat {
  text-align: center;
  padding: 28px 36px;
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
  min-width: 180px;
}

.donation-stat-num {
  font-family: var(--font-serif);
  font-size: 42px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.donation-stat-unit {
  font-size: 16px;
  color: var(--color-text-light);
  margin-left: 4px;
}

.donation-stat-label {
  display: block;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 8px;
  letter-spacing: 1px;
}

.donations-table-wrap {
  max-width: 700px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
}

.donations-table {
  width: 100%;
  border-collapse: collapse;
}

.donations-table thead tr {
  background: var(--color-primary);
}

.donations-table thead th {
  padding: 16px 20px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 1px;
}

.donations-table thead th:last-child {
  text-align: center;
}

.donations-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.2s ease;
}

.donations-table tbody tr:hover {
  background: rgba(184, 92, 60, 0.04);
}

.donations-table tbody tr.donation-group {
  border-top: 2px solid var(--color-border);
}

.donations-table tbody tr.donation-group:first-child {
  border-top: none;
}

.donations-table tbody td {
  padding: 12px 20px;
  font-size: 14px;
  color: var(--color-text);
}

.donations-table tbody td:first-child {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-primary);
  white-space: nowrap;
}

.donations-table tbody td:last-child {
  text-align: center;
  font-weight: 600;
}

.donations-table tfoot tr {
  background: var(--color-bg-alt);
}

.donations-table tfoot td {
  padding: 16px 20px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary-dark);
  text-align: center;
}

.donations-table tfoot td:last-child {
  text-align: center;
}

/* ===== Teachers Section ===== */
.teachers {
  padding: var(--section-padding);
  background: var(--color-bg-dark);
  position: relative;
  overflow: hidden;
}

.teachers .container {
  position: relative;
  z-index: 1;
}

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.teacher-card {
  padding: 36px 32px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition);
}

.teacher-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(212, 135, 106, 0.3);
  transform: translateY(-6px);
}

.teacher-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin-bottom: 16px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.teacher-avatar-1 { background: linear-gradient(135deg, #d4876a, #b85c3c); }
.teacher-avatar-2 { background: linear-gradient(135deg, #c9954c, #a87a36); }
.teacher-avatar-3 { background: linear-gradient(135deg, #e8a87c, #c8845a); }
.teacher-avatar-4 { background: linear-gradient(135deg, #d4a06c, #9a6b3a); }

.teacher-avatar::before {
  content: '';
  position: absolute;
  inset: -6px;
  border: 2px solid rgba(212, 135, 106, 0.3);
  border-radius: 50%;
  transition: var(--transition);
}

.teacher-card:hover .teacher-avatar::before {
  inset: -8px;
  border-color: rgba(212, 135, 106, 0.6);
}

.teacher-avatar::after {
  content: '師';
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

.teacher-role {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--color-primary-light);
  padding: 4px 12px;
  border: 1px solid rgba(212, 135, 106, 0.3);
  border-radius: 20px;
  margin-bottom: 12px;
}

.teacher-card h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: 6px;
}

.teacher-title {
  display: block;
  font-size: 13px;
  color: var(--color-text-inverse-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.teacher-bio {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-inverse-muted);
  margin-bottom: 20px;
}

.teacher-subsection {
  margin-bottom: 16px;
}

.teacher-subhead {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary-light);
  margin-bottom: 6px;
}

.teacher-list {
  list-style: none;
}

.teacher-list li {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-inverse-muted);
  padding-left: 16px;
  position: relative;
  margin-bottom: 2px;
}

.teacher-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary-light);
}

.teacher-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.teacher-tags span {
  font-size: 12px;
  color: var(--color-primary-light);
  padding: 4px 12px;
  background: rgba(212, 135, 106, 0.1);
  border-radius: 12px;
}

/* ===== Quote Section ===== */
.quote-section {
  padding: 120px 0;
  background: linear-gradient(135deg, #4a3a30, #3a2e26);
  position: relative;
  overflow: hidden;
}

.quote-content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.quote-mark {
  font-family: var(--font-serif);
  font-size: 120px;
  color: var(--color-primary);
  opacity: 0.2;
  line-height: 0.5;
  margin-bottom: 20px;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-text-inverse);
  margin-bottom: 28px;
}

.quote-line {
  width: 60px;
  height: 2px;
  background: var(--color-primary-light);
  margin: 0 auto 20px;
}

.quote-sub {
  font-size: 15px;
  color: var(--color-text-inverse-muted);
  letter-spacing: 1px;
}

/* ===== Contact Section ===== */
.contact {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
}

.contact-intro {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 32px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.contact-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(184, 92, 60, 0.1);
  color: var(--color-primary);
  border-radius: 12px;
}

.contact-label {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.contact-value {
  font-size: 15px;
  color: var(--color-text);
  font-weight: 500;
}

.contact-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  border-radius: 10px;
  transition: var(--transition);
  text-decoration: none;
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
}

.social-line {
  width: auto;
  padding: 0 20px;
  gap: 8px;
  background: rgba(6, 199, 74, 0.1);
  color: #06c74a;
  font-size: 14px;
  font-weight: 500;
}

.social-line:hover {
  background: #06c74a;
  color: var(--color-white);
}

.social-text {
  white-space: nowrap;
}

/* Contact Form */
.contact-form-wrap {
  background: var(--color-white);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
}

.form-title {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-group label span {
  color: #d44;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-bg-alt);
  border: 1.5px solid transparent;
  border-radius: 10px;
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(184, 92, 60, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 16px;
}

/* Form success message */
.form-success {
  display: none;
  text-align: center;
  padding: 40px 20px;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.5s ease;
}

.form-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(184, 92, 60, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.form-success h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-success p {
  font-size: 15px;
  color: var(--color-text-light);
}

/* ===== Latest News Section ===== */
.latest-news {
  padding: var(--section-padding);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.news-article {
  max-width: 900px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: 20px;
  padding: 48px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
  display: flex;
  gap: 36px;
}

.news-article-date {
  flex-shrink: 0;
  text-align: center;
  min-width: 80px;
}

.news-article-day {
  display: block;
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.news-article-month {
  display: block;
  font-size: 14px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
  margin-top: 6px;
}

.news-article-content {
  flex: 1;
}

.news-article-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.news-article-content h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.5;
}

.news-article-content p {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.news-article-content p:last-child {
  margin-bottom: 0;
}

/* ===== Footer Logo Image ===== */
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.footer-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--color-white);
  padding: 4px;
}

.footer-brand .footer-logo span {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-inverse);
}
.footer {
  background: #2a221c;
  color: var(--color-text-inverse-muted);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary-light);
  margin-bottom: 16px;
}

.footer-brand .footer-logo span {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-inverse);
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.footer-cert {
  font-size: 12px;
  color: var(--color-text-muted);
}

.footer-col h4 {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-inverse);
  margin-bottom: 20px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text-inverse-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--color-primary-light);
  padding-left: 4px;
}

.footer-contact li {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 12px;
  color: var(--color-text-inverse-muted);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary-light);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 900;
  box-shadow: 0 4px 20px rgba(184, 92, 60, 0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-primary-dark);
  transform: translateY(-4px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 48px; }

  .about-grid { grid-template-columns: 1fr; gap: 50px; }

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

  .knowledge-grid { grid-template-columns: repeat(2, 1fr); }

  .lectures-grid { grid-template-columns: repeat(2, 1fr); }
  .lecture-featured { grid-column: span 2; grid-row: span 1; }
  .lecture-image img { max-height: 360px; }
  .lecture-featured .lecture-image img { max-height: 460px; }

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

  .news-article {
    flex-direction: column;
    gap: 24px;
    padding: 36px;
  }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .charity-grid { grid-template-columns: 1fr; }
  .charity-poster img { max-height: 480px; }
  .charity-photos { grid-template-columns: repeat(2, 1fr); }

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

  .quote-text { font-size: 28px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 60px 0; }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 24px;
    gap: 8px;
    transition: right 0.4s ease;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active { right: 0; }

  .nav-toggle { display: flex; z-index: 1001; }

  .nav-link { width: 100%; }

  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 16px; }
  .hero-actions { flex-direction: column; }

  .section-title { font-size: 28px; }

  .stats-grid {
    flex-direction: column;
    gap: 24px;
  }
  .stat-divider {
    width: 60px;
    height: 1px;
  }

  .about-features { grid-template-columns: 1fr; }

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

  .lectures-grid { grid-template-columns: 1fr; }
  .lecture-featured { grid-column: span 1; }
  .lecture-featured .lecture-image img { max-height: 380px; }
  .lecture-image img { max-height: 280px; }
  .charity-poster img { max-height: 360px; }

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

  .news-article {
    flex-direction: column;
    gap: 24px;
    padding: 28px;
  }

  .news-article-day { font-size: 36px; }
  .news-article-content h3 { font-size: 20px; }

  .nav-logo-img { width: 40px; height: 40px; }

  .footer-logo-img { width: 40px; height: 40px; }

  .quote-text { font-size: 22px; }
  .quote-section { padding: 80px 0; }

  .charity-services { grid-template-columns: repeat(3, 1fr); }
  .charity-photos { grid-template-columns: 1fr; }
  .charity-card { padding: 28px; }

  .donations-summary { gap: 16px; }
  .donation-stat { min-width: 140px; padding: 20px 24px; }
  .donation-stat-num { font-size: 32px; }
  .donations-table-wrap { overflow-x: auto; border-radius: 12px; }
  .donations-table thead th,
  .donations-table tbody td { padding: 10px 14px; font-size: 13px; }

  .form-row { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .back-to-top { bottom: 20px; right: 20px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 30px; }
  .hero-tag { font-size: 13px; padding: 6px 16px; }

  .logo-title { font-size: 14px; }
  .logo-sub { display: none; }

  .section-title { font-size: 24px; }

  .contact-form-wrap { padding: 24px; }
}