/* =========================================================
   首頁視覺強化｜只載入 index.html，不改動既有內容架構
   目標：降低首屏高度、增加圖像辨識度、提升文字對比與瀏覽節奏
   ========================================================= */

/* Hero：保留原有三張輪播與文案，降低過高橫幅的視覺佔比 */
.hero { padding: 18px 24px 0; }
/* 首屏看得到的 H1 與副標（SEO：主要關鍵字放在可見標題，不用 sr-only） */
.hero-intro {
  max-width: min(calc(var(--container) + 128px), calc(100vw - 48px));
  margin: 0 auto; padding: 40px 4px 36px;
  display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center;
}
.hero-intro h1 { font-size: clamp(22px, 2.2vw, 32px); line-height: 1.35; letter-spacing: .01em; word-break: keep-all; }
.hero-intro-lead { margin: 0; font-size: clamp(15px, 1.15vw, 17px); line-height: 1.65; color: var(--body); }
.hero-frame {
  max-width: min(calc(var(--container) + 128px), calc(100vw - 48px));
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(16, 24, 40, .09);
}
/* 橫幅為含文字的 3:1 資訊圖，各寬度都依原比例完整顯示、不裁切 */
.hero-frame .slide-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: contain;
}

/* 各區標題：縮短標題與內容間距，增加區塊辨識 */
.section { padding-top: clamp(48px, 5vw, 72px); padding-bottom: clamp(48px, 5vw, 72px); }
.section-head { margin-bottom: 30px; }
.bar-title { padding-left: 20px; gap: 7px; }
.bar-label { font-size: 13px; letter-spacing: .12em; }
.bar-title h2 { font-size: clamp(30px, 3vw, 42px); }

/* 服務卡：圖片比重提高，統一比例，標題顏色改為深色以提升辨識度 */
#services .grid-3 { gap: 22px; }
#services .service-card {
  border-color: #E6EAF0;
  border-radius: 14px;
  box-shadow: 0 2px 8px rgba(16, 24, 40, .025);
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
#services .service-card:hover {
  transform: translateY(-4px);
  border-color: #C9D6F7;
  box-shadow: 0 14px 30px rgba(16, 24, 40, .09);
}
#services .service-card > img {
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #F2F5F9;
}
#services .service-card .card-body { padding: 22px 24px 24px; gap: 10px; }
#services .service-card h3 {
  color: #1F3F78;
  font-size: clamp(20px, 1.55vw, 24px);
  line-height: 1.45;
}
#services .service-card .card-text {
  color: #475467;
  font-size: 17px;
  line-height: 1.75;
}
#services .service-card .more-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  align-self: flex-start;
  margin-top: 4px;
  color: #1D8FD6;
  font-size: 16px;
}
#services .service-card .more-link:hover { gap: 11px; }

/* 產業解決方案：圖片成為主要視覺，避免窄長圖片讓卡片過高 */
#solutions .solutions-grid { gap: 22px; }
#solutions .solution-card {
  min-height: 270px;
  border: 1px solid rgba(16, 24, 40, .045);
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(16, 24, 40, .025);
  transition: transform .22s ease, box-shadow .22s ease;
}
#solutions .solution-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(16, 24, 40, .08);
}
#solutions .solution-photo {
  width: 100%;
  height: 100%;
  min-height: 270px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
#solutions .solution-body { padding: 26px 26px 26px 28px; gap: 12px; }
#solutions .solution-card h3 { font-size: clamp(21px, 1.65vw, 25px); }
#solutions .solution-card .card-text { font-size: 16px; line-height: 1.75; color: #475467; }
#solutions .solution-cta { font-size: 15px; gap: 10px; }
#solutions .cta-circle { width: 40px; height: 40px; }

/* 客戶實績：沿用原有 logo 與連結，增加獨立辨識區與可互動回饋 */
#cases .clients { margin-top: 24px; padding-top: 24px; border-top: 0; }
#cases .client-logos {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}
#cases .client-logos li {
  height: 92px;
  padding: 14px 16px;
  transition: transform .2s ease;
}
#cases .client-logos li:hover { transform: translateY(-2px); }
#cases .client-logos li a { display: flex; width: 100%; height: 100%; align-items: center; justify-content: center; }
#cases .client-logos img { max-height: 52px; filter: saturate(.9); }
#cases .head-link { font-size: 16px; font-weight: 650; }

/* 關於偉迅：文字欄位更易讀，數據區保留原架構 */
#about .about-text { gap: 22px; }
#about .about-copy { font-size: 17px; line-height: 1.9; }
#about .about-stats dd { letter-spacing: -.02em; }

/* 聯絡區：讓 CTA 更聚焦，不增加新的裝飾元素 */
#contact .contact-box { border-radius: 18px; }
#contact .contact-text h2 { line-height: 1.35; }
#contact .contact-actions .btn { min-height: 50px; }

/* 平板 */
@media (max-width: 1100px) {
  #services .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #services .service-card h3 { font-size: 22px; }
  #solutions .solution-card { min-height: 0; }
  #solutions .solution-photo { min-height: 0; aspect-ratio: 16 / 10; }
  #cases .client-logos { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* 手機：避免首屏太高，卡片圖片與文字保持清楚 */
@media (max-width: 640px) {
  .hero { padding: 12px 12px 0; }
  .hero-frame { max-width: 100%; border-radius: 12px; }
  .hero-intro { max-width: 100%; padding: 28px 4px 24px; }
  .section { padding-top: 44px; padding-bottom: 44px; }
  .section-head { margin-bottom: 24px; gap: 18px; }
  .bar-title { padding-left: 14px; }
  .bar-title h2 { font-size: 30px; }
  #services .grid-3 { grid-template-columns: 1fr; gap: 16px; }
  #services .service-card { display: grid; grid-template-columns: 38% minmax(0, 1fr); align-items: stretch; }
  #services .service-card > img { height: 100%; min-height: 176px; aspect-ratio: auto; }
  #services .service-card .card-body { padding: 16px 16px 17px; gap: 8px; }
  #services .service-card h3 { font-size: 18px; line-height: 1.45; }
  #services .service-card .card-text { font-size: 14px; line-height: 1.65; }
  #services .service-card .more-link { font-size: 14px; }
  #solutions .solutions-grid { grid-template-columns: 1fr; gap: 16px; }
  #solutions .solution-card .solution-photo { aspect-ratio: 16 / 9; }
  #solutions .solution-card .solution-body { padding: 20px; gap: 10px; }
  #solutions .solution-card h3 { font-size: 22px; }
  #solutions .solution-card .card-text { font-size: 15px; }
  #cases .client-logos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  #cases .client-logos li { height: 76px; padding: 10px; }
  #cases .client-logos img { max-height: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  #services .service-card, #solutions .solution-card, #cases .client-logos li { transition: none; }
  #services .service-card:hover, #solutions .solution-card:hover, #cases .client-logos li:hover { transform: none; }
}

/* 產業卡片：方案連結下方的導入案例連結 */
#solutions .solution-case-link { display: inline-block; margin-top: 8px; font-size: 14px; color: var(--muted); }
#solutions .solution-case-link:hover { color: var(--c); text-decoration: underline; }