/* ============================================
   耘動健康 MHC — Design System
   ============================================ */

:root {
  /* Brand core */
  --color-primary: #2A5C3F;
  --color-primary-dark: #1E4A2E;
  --color-primary-darker: #163820;
  --color-sage: #6E8C76;
  --color-bg: #f9faf8;
  --color-surface: #ffffff;
  --color-border: #D6E8DB;
  --color-ink: #1A2E22;
  --color-ink-soft: #4E6A58;

  /* Accent groups (mirrors brand flywheel: 事業建構=gold, 專業精進=teal) */
  --color-gold: #B8782A;
  --color-gold-light: #E8B85A;
  --color-gold-bg: #FEF8EC;
  --color-teal: #2A8C84;
  --color-teal-light: #72BDB6;
  --color-teal-bg: #ECF7F6;
  --color-green-bg: #EAF4ED;

  --font-family: "Noto Sans TC", "PingFang TC", -apple-system, BlinkMacSystemFont, sans-serif;

  --shadow-card: 0 4px 24px rgba(42, 92, 63, 0.08);
  --shadow-card-hover: 0 8px 32px rgba(42, 92, 63, 0.14);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --radius-pill: 999px;

  --max-width: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

section { padding: 88px 0; }

@media (max-width: 640px) {
  section { padding: 56px 0; }
}

.section-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-sage);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-lead {
  font-size: 16px;
  color: var(--color-ink-soft);
  max-width: 640px;
}

.section-head {
  text-align: center;
  margin: 0 auto 48px;
  max-width: 680px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(42, 92, 63, 0.28);
}
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-1px); }
.btn-primary:active { background: var(--color-primary-darker); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover { background: var(--color-green-bg); transform: translateY(-1px); }

.btn-sm { padding: 10px 22px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 250, 248, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--color-primary);
  font-size: 17px;
  letter-spacing: 1px;
}
.nav-brand img { width: 34px; height: 34px; object-fit: contain; }

.nav-links {
  display: flex;
  gap: 28px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--color-ink-soft);
}
.nav-links a:hover { color: var(--color-primary); }

.nav-cta { display: flex; align-items: center; gap: 16px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle svg { width: 26px; height: 26px; color: var(--color-primary); }

.nav-mobile-panel {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0 18px;
  border-top: 1px solid var(--color-border);
}
.nav-mobile-panel a {
  padding: 12px 4px;
  font-weight: 600;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-border);
}
.nav-mobile-panel.open { display: flex; }

@media (max-width: 780px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero {
  padding: 64px 0 80px;
  overflow: hidden;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-primary);
  background: var(--color-green-bg);
  border: 1px solid var(--color-border);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
}
.hero h1 {
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.35;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero h1 span { color: var(--color-gold); }
.hero-tagline {
  font-size: 19px;
  font-weight: 800;
  color: var(--color-gold);
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.hero-desc {
  font-size: 16.5px;
  color: var(--color-ink-soft);
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 36px; }
.hero-stats { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-stat-num { font-size: 22px; font-weight: 800; color: var(--color-primary); }
.hero-stat-label { font-size: 12.5px; color: var(--color-sage); margin-top: 2px; }

.hero-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
  aspect-ratio: 3 / 4;
}
.hero-media img {
  width: 100%; height: 100%; object-fit: cover;
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { max-width: 360px; margin: 0 auto; }
}

/* ---------- Philosophy ---------- */
.philosophy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.philosophy-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 32px 26px;
  text-align: center;
  box-shadow: var(--shadow-card);
}
.philosophy-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-green-bg);
  border-radius: 50%;
  font-size: 24px;
  margin: 0 auto 18px;
}
.philosophy-card h3 {
  font-size: 17px;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 8px;
}
.philosophy-card p { font-size: 14.5px; color: var(--color-ink-soft); }

@media (max-width: 780px) {
  .philosophy-grid { grid-template-columns: 1fr; }
}

/* ---------- About ---------- */
.about-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}
.about-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.about-quote {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.about-body p { color: var(--color-ink-soft); margin-bottom: 14px; font-size: 15.5px; }
.about-credentials {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.about-credentials li {
  list-style: none;
  display: flex;
  gap: 10px;
  font-size: 14.5px;
  color: var(--color-ink);
}
.about-credentials li::before {
  content: "✓";
  color: var(--color-primary);
  font-weight: 800;
  flex-shrink: 0;
}

@media (max-width: 860px) {
  .about-inner { grid-template-columns: 1fr; }
  .about-media { max-width: 360px; margin: 0 auto; }
}

/* ---------- Services ---------- */
.service-block {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  margin-bottom: 32px;
}
.service-block-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.service-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.tag-gold { background: var(--color-gold-bg); color: var(--color-gold); }
.tag-teal { background: var(--color-teal-bg); color: var(--color-teal); }
.tag-green { background: var(--color-green-bg); color: var(--color-primary); }

.service-block h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.service-block-desc { color: var(--color-ink-soft); font-size: 15px; max-width: 620px; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.plan-card {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
}
.plan-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 6px;
}
.plan-price {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-gold);
  margin-bottom: 14px;
}
.plan-price small { font-size: 13px; font-weight: 600; color: var(--color-ink-soft); }
.plan-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 22px;
  flex: 1;
}
.plan-list li {
  font-size: 14px;
  color: var(--color-ink-soft);
  display: flex;
  gap: 8px;
}
.plan-list li::before { content: "·"; color: var(--color-gold); font-weight: 900; }

@media (max-width: 700px) {
  .plan-grid { grid-template-columns: 1fr; }
  .service-block { padding: 28px 22px; }
}

/* course tabs */
.course-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.course-tab {
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  color: var(--color-teal);
  background: var(--color-teal-bg);
  border: 1.5px solid transparent;
  cursor: pointer;
}
.course-tab.active {
  background: var(--color-teal);
  color: #fff;
}
.course-panel { display: none; }
.course-panel.active { display: block; }
.course-item {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin-bottom: 14px;
}
.course-item h5 { font-size: 15.5px; font-weight: 700; color: var(--color-ink); margin-bottom: 6px; }
.course-item p { font-size: 14px; color: var(--color-ink-soft); }

/* simple lecture card */
.lecture-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.lecture-row p { color: var(--color-ink-soft); font-size: 15px; max-width: 480px; }
.lecture-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

/* brand flywheel showcase */
.flywheel-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
}
.flywheel-card img { max-width: 640px; width: 100%; margin: 0 auto; }

/* ---------- Extended services ---------- */
.extra-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.extra-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
  text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.extra-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.extra-icon { font-size: 28px; margin-bottom: 12px; }
.extra-card h4 { font-size: 15px; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.extra-card p { font-size: 13px; color: var(--color-ink-soft); margin-bottom: 16px; min-height: 40px; }

@media (max-width: 900px) {
  .extra-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .extra-grid { grid-template-columns: 1fr; }
}

/* ---------- FAQ ---------- */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--color-ink);
  font-family: inherit;
}
.faq-icon {
  flex-shrink: 0;
  width: 24px; height: 24px;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-primary);
  font-size: 18px;
  transition: transform 0.2s ease;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer p {
  padding: 0 24px 22px;
  font-size: 14.5px;
  color: var(--color-ink-soft);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-darker));
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  color: #fff;
}
.cta-band h2 { font-size: clamp(22px, 3.4vw, 30px); font-weight: 800; margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.82); margin-bottom: 28px; }
.cta-band .btn-primary { background: #fff; color: var(--color-primary); }
.cta-band .btn-primary:hover { background: #EAF4ED; }

/* ---------- Footer ---------- */
.footer {
  background: #10241a;
  color: rgba(255,255,255,0.72);
  padding: 56px 0 28px;
  font-size: 14px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 17px; margin-bottom: 14px; }
.footer-brand img { width: 30px; height: 30px; }
.footer-col h5 { color: #fff; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; margin-bottom: 10px; color: rgba(255,255,255,0.68); }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12.5px;
  color: rgba(255,255,255,0.5);
}

@media (max-width: 700px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Legal page ---------- */
.legal-page { padding: 48px 0 80px; }
.legal-page h1 { color: var(--color-primary); font-size: 28px; margin-bottom: 8px; }
.legal-page .updated { color: var(--color-sage); font-size: 13px; margin-bottom: 40px; }
.legal-block { margin-bottom: 40px; }
.legal-block h2 { color: var(--color-primary); font-size: 19px; margin-bottom: 14px; }
.legal-block ul { padding-left: 20px; color: var(--color-ink-soft); font-size: 14.5px; display: flex; flex-direction: column; gap: 10px; }
.legal-back { display: inline-block; margin-bottom: 28px; color: var(--color-primary); font-weight: 700; font-size: 14px; }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }