/* Hero：鋼管鷹架線條圖樣背景 */
.hero {
  position: relative; min-height: min(100vh, 720px); padding: calc(var(--header-h) + 48px) 0 72px;
  display: flex; align-items: center; overflow: hidden; color: #fff;
  background: linear-gradient(120deg, rgba(18, 28, 39, .96) 25%, rgba(29, 43, 58, .8)),
    url("../images/scaffold-pattern.svg") center / 180px repeat, var(--primary);
}
.hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 10px;
  background: repeating-linear-gradient(-45deg, var(--accent) 0 18px, var(--primary-dark) 18px 36px);
}
.hero-content { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 16px; }
.hero-eyebrow { color: var(--accent); letter-spacing: .3em; font-weight: 600; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.6rem); letter-spacing: .15em; line-height: 1.3; }
.hero-lead { font-size: 1.15rem; opacity: .9; max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 12px; }
.hero-phone { padding: 0 12px; font-weight: 600; letter-spacing: .08em; color: var(--accent); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; list-style: none; }
.hero-tags li {
  padding: 4px 14px; border: 1px solid rgba(242, 178, 51, .5); border-radius: 999px;
  font-size: .9rem; color: rgba(255, 255, 255, .85);
}

/* 通用區塊 */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-eyebrow { color: var(--accent-dark); letter-spacing: .3em; font-weight: 600; font-size: .9rem; }
.section-title {
  color: var(--primary); font-size: 2rem; margin-bottom: 32px;
  position: relative; padding-bottom: 12px;
}
.section-title::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 48px; height: 3px; background: var(--accent);
}
.center { text-align: center; }
.section-title.center::after { left: 50%; transform: translateX(-50%); }

/* 關於 */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: center; }
.about-grid p + p { margin-top: 16px; }
.about-grid p:not(.section-eyebrow) { color: var(--muted); }
.about-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.about-stats div {
  background: var(--primary); color: #fff; border-radius: var(--radius);
  padding: 28px 20px; border-left: 6px solid var(--accent);
}
.about-stats strong { display: block; font-size: 1.3rem; color: var(--accent); }
.about-stats span { font-size: .95rem; opacity: .85; }

/* 營業項目 */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card {
  background: #fff; border-radius: var(--radius); padding: 28px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .06); border-top: 4px solid var(--primary);
  transition: transform .3s, border-color .3s;
}
.product-card:hover { transform: translateY(-6px); border-top-color: var(--accent); }
.product-card svg { width: 48px; height: 48px; color: var(--primary); margin-bottom: 12px; }
.product-card h3 { color: var(--primary); margin-bottom: 6px; }
.product-card > p { color: var(--muted); font-size: .95rem; margin-bottom: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.chips li { background: var(--bg-alt); border-radius: 4px; padding: 2px 10px; font-size: .88rem; }

/* 合作流程 */
.process-list { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-list li { text-align: center; padding: 32px 16px; border: 1px solid var(--line); border-radius: var(--radius); }
.process-list span { display: block; font-size: 2.2rem; font-weight: 700; color: var(--accent-dark); }
.process-list h3 { color: var(--primary); margin: 4px 0; }
.process-list p { color: var(--muted); font-size: .95rem; }

/* 聯絡 */
.contact { background: var(--primary); color: #fff; }
.contact .section-eyebrow { color: var(--accent); }
.contact .section-title { color: #fff; }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; align-items: center; }
.contact-list { list-style: none; margin-bottom: 28px; }
.contact-list li { padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, .15); }
.contact-list strong { display: inline-block; width: 88px; color: var(--accent); font-weight: 600; }
.contact-list a { word-break: break-all; }
.contact-list a:hover { color: var(--accent); }
.map { width: 100%; height: 380px; border: 0; border-radius: var(--radius); }

@media (max-width: 960px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .product-grid, .process-list { grid-template-columns: 1fr; }
  .contact-list strong { width: 76px; }
}