/* ===================================================
   檔案路徑：public/css/about.css
   說明：社團法人中華永續淨零推動協會「關於我們」專屬樣式
   =================================================== */

/* ---------------------------------------------------
   1. 頁面橫幅 (Page Header)
   --------------------------------------------------- */
.page-banner {
  background: linear-gradient(135deg, #081c15 0%, #1b4332 60%, #2d6a4f 100%);
  color: #ffffff;
  padding: 64px 0;
  text-align: center;
}

.banner-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: #a7f3d0;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}

.page-title {
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.page-sub {
  font-size: 1.05rem;
  color: #cbd5e1;
  max-width: 650px;
  margin: 0 auto;
}

/* ---------------------------------------------------
   2. 區塊通用排版 (Section Commons)
   --------------------------------------------------- */
.section {
  padding: 70px 0;
}

.section-light {
  background-color: var(--bg-light, #f8fafc);
}

.section-header {
  margin-bottom: 40px;
  text-align: center;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent, #2d6a4f);
  letter-spacing: 1.5px;
  margin-bottom: 8px;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dark, #0f172a);
  margin-bottom: 12px;
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 44px;
  height: 3px;
  background-color: var(--accent, #2d6a4f);
  margin: 10px auto 0;
  border-radius: 2px;
}

.section-title.text-left {
  text-align: left;
}

.section-title.text-left::after {
  margin: 10px 0 0;
}

/* ---------------------------------------------------
   3. 本會介紹區塊 (Intro Section)
   --------------------------------------------------- */
.intro-container {
  max-width: 900px;
  margin: 0 auto;
}

.intro-text p {
  font-size: 1.02rem;
  line-height: 1.8;
  margin-bottom: 18px;
  text-align: justify;
  color: var(--body-text, #334155);
}

.intro-text .lead-text {
  font-size: 1.1rem;
  color: #0f172a;
}

.intro-box {
  background: #ffffff;
  border: 1px solid var(--border-color, #e2e8f0);
  border-left: 4px solid var(--accent, #2d6a4f);
  padding: 24px 28px;
  border-radius: 0 8px 8px 0;
  margin-top: 28px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.intro-box h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary, #1b4332);
  margin-bottom: 8px;
}

.intro-box p {
  margin-bottom: 0;
  font-size: 0.96rem;
  line-height: 1.7;
}

/* ---------------------------------------------------
   4. 業務範疇區塊 (Scope of Services)
   --------------------------------------------------- */
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.scope-card {
  background: #ffffff;
  border-radius: 10px;
  padding: 32px 24px;
  border: 1px solid var(--border-color, #e2e8f0);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.scope-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent, #2d6a4f);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.scope-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  border-color: #cbd5e1;
}

.scope-card:hover::before {
  opacity: 1;
}

.scope-num {
  font-size: 2rem;
  font-weight: 800;
  color: rgba(45, 106, 79, 0.15);
  position: absolute;
  top: 16px;
  right: 20px;
  line-height: 1;
}

.scope-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.scope-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark, #0f172a);
  margin-bottom: 10px;
}

.scope-card p {
  font-size: 0.92rem;
  color: #64748b;
  line-height: 1.65;
  margin: 0;
}

/* ---------------------------------------------------
   5. 組織架構區塊 (Organization Structure)
   --------------------------------------------------- */
.org-chart-wrapper {
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  border: 1px solid var(--border-color, #e2e8f0);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.org-image {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  display: inline-block;
}

/* ---------------------------------------------------
   6. 本會願景區塊 (Vision Section)
   --------------------------------------------------- */
.vision-box {
  background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
  color: #ffffff;
  border-radius: 14px;
  padding: 50px 44px;
  box-shadow: 0 10px 30px rgba(27, 67, 50, 0.2);
  position: relative;
  overflow: hidden;
  max-width: 1000px;
  margin: 0 auto;
}

.vision-box::after {
  content: '🌿';
  font-size: 11rem;
  position: absolute;
  bottom: -20px;
  right: -10px;
  opacity: 0.08;
  pointer-events: none;
}

.vision-badge {
  display: inline-block;
  background: rgba(255, 255, 255, 0.15);
  color: #a7f3d0;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.vision-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 20px;
  color: #ffffff;
}

.vision-content p {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #f1f5f9;
  margin-bottom: 20px;
  text-align: justify;
}

.vision-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  position: relative;
  z-index: 1;
}

.vision-tag-item {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #d1fae5;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

/* ---------------------------------------------------
   7. 響應式斷點 (Responsive)
   --------------------------------------------------- */
@media (max-width: 992px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: 50px 0;
  }
  .page-title {
    font-size: 1.9rem;
  }
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .org-chart-wrapper {
    padding: 16px;
  }
  .vision-box {
    padding: 36px 20px;
  }
  .vision-title {
    font-size: 1.5rem;
  }
  .vision-content p {
    font-size: 0.95rem;
  }
}