/* =============================================================
   凱昱工程顧問 - 前台樣式
   Design tokens: #0B6E72 primary · #0C2E30 dark · #F3F7F8 bg
                  #BFFF00 accent · #3A6366 body text · #7AADB0 secondary
   ============================================================= */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, -apple-system, "Segoe UI", sans-serif; color: #3A6366; background: #F3F7F8; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Navbar ── */
.navbar { display: flex; align-items: center; justify-content: space-between; padding: 0 48px; height: 64px; background: #fff; border-bottom: 1px solid #E8F2F3; position: sticky; top: 0; z-index: 100; }
.navbar-brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.0625rem; color: #0C2E30; }
.logo { height: 36px; }
.nav-links { display: flex; list-style: none; gap: 2rem; align-items: center; }
.nav-links a { color: #3A6366; font-size: 1rem; font-weight: 500; transition: color 0.2s; padding: 0.25rem 0; }
.nav-links a:hover { color: #0B6E72; }
.nav-links a.active { color: #0B6E72; border-bottom: 2px solid #0B6E72; }
.btn-nav-cta { display: inline-flex; align-items: center; height: 36px; padding: 0 20px; background: #0B6E72; color: #fff !important; font-size: 0.9375rem; font-weight: 600; border-radius: 2px; transition: background 0.2s; white-space: nowrap; }
.btn-nav-cta:hover { background: #0a5c60; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; cursor: pointer; color: #3A6366; }

/* ── Hero ── */
.hero { min-height: 560px; background: #0C2E30 center/cover no-repeat; display: flex; align-items: center; padding: 0 96px; position: relative; overflow: hidden; color: #fff; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(12,46,48,0.93) 0%, rgba(12,46,48,0.6) 100%); pointer-events: none; }
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.13); color: #A8EFED; font-size: 0.9rem; font-weight: 500; padding: 4px 12px; border-radius: 2px; margin-bottom: 1.25rem; }
.hero-content h1 { font-size: 3.5rem; font-weight: 700; line-height: 1.1; margin-bottom: 1.25rem; }
.hero-subtitle { font-size: 1.2rem; line-height: 1.7; color: #E8F2F3; margin-bottom: 2rem; max-width: 620px; }
.hero-ctas { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem; padding: 0.55rem 1.4rem; border-radius: 2px; font-size: 0.9375rem; font-family: inherit; font-weight: 500; cursor: pointer; border: 1px solid transparent; transition: all 0.18s; text-decoration: none; white-space: nowrap; }
.btn-primary { background: #0B6E72; color: #fff; border-color: #0B6E72; }
.btn-primary:hover { background: #0a5c60; border-color: #0a5c60; }
.btn-cta { background: #0B6E72; color: #fff !important; height: 48px; padding: 0 28px; font-size: 1.0625rem; font-weight: 600; border-radius: 2px; }
.btn-cta:hover { background: #0a5c60; }
.btn-cta-outline { background: transparent; color: #fff !important; border: 1px solid rgba(255,255,255,0.45); height: 48px; padding: 0 28px; font-size: 1.0625rem; font-weight: 600; border-radius: 2px; }
.btn-cta-outline:hover { background: rgba(255,255,255,0.1); }
.btn-secondary { background: transparent; color: #3A6366; border-color: #D0E4E6; }
.btn-secondary:hover { border-color: #0B6E72; color: #0B6E72; }
.btn-outline { border-color: #0B6E72; color: #0B6E72; background: transparent; }
.btn-outline:hover { background: #0B6E72; color: #fff; }
.btn-sm { padding: 0.35rem 0.9rem; font-size: 0.85rem; }
.btn-search { background: #0B6E72; color: #fff; padding: 0.5rem 1.1rem; border: none; border-radius: 2px; cursor: pointer; font-family: inherit; font-size: 0.9375rem; }
.btn-search:hover { background: #0a5c60; }
.btn-clear { color: #7AADB0; font-size: 0.85rem; background: none; border: none; cursor: pointer; padding: 0; }

/* ── Breadcrumb ── */
.breadcrumb { background: #E8F2F3; padding: 0.65rem 0; border-bottom: 1px solid #D0E4E6; }
.breadcrumb ol { display: flex; list-style: none; gap: 0; font-size: 0.875rem; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; flex-wrap: wrap; }
.breadcrumb li { display: flex; align-items: center; color: #7AADB0; }
.breadcrumb li + li::before { content: "/"; color: #0B6E72; margin: 0 0.5rem; font-weight: 500; }
.breadcrumb li a { color: #0B6E72; }
.breadcrumb li a:hover { text-decoration: underline; }
.breadcrumb li:last-child { color: #3A6366; font-weight: 500; }

/* ── Featured Products Section ── */
.featured-products { padding: 3.5rem 0; background: #fff; }
.featured-products .container > h2 { font-size: 1.75rem; font-weight: 700; color: #0C2E30; margin-bottom: 0.5rem; }
.section-lead { color: #7AADB0; margin-bottom: 2rem; font-size: 1rem; }

/* ── Company Info ── */
.company-info { padding: 3.5rem 0; background: #F3F7F8; }
.company-info .container > h2 { font-size: 1.75rem; font-weight: 700; color: #0C2E30; margin-bottom: 1rem; }
.company-info p { color: #3A6366; max-width: 640px; line-height: 1.8; margin-bottom: 1.5rem; }
.contact-summary { display: flex; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.contact-summary span { color: #7AADB0; font-size: 0.9rem; }
.contact-summary a { color: #0B6E72; font-weight: 500; }

/* ── Product Grid ── */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.25rem; margin: 2rem 0; }
.product-card { background: #fff; border: 1px solid #D0E4E6; border-radius: 2px; overflow: hidden; transition: box-shadow 0.2s, border-color 0.2s; box-shadow: 0 1px 3px rgba(11,110,114,0.05); }
.product-card:hover { box-shadow: 0 4px 16px rgba(11,110,114,0.12); border-color: #0B6E72; }
.product-thumbnail { width: 100%; height: 200px; object-fit: cover; display: block; background: #E8F2F3; }
.product-card-body { padding: 1rem; }
.category-badge { display: inline-block; background: #E8F2F3; color: #0B6E72; padding: 0.2rem 0.6rem; border-radius: 2px; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.02em; }
.product-card-body h2, .product-card-body h3 { font-size: 0.9375rem; margin: 0.5rem 0 0.25rem; color: #0C2E30; font-weight: 600; line-height: 1.4; }
.product-summary { color: #7AADB0; font-size: 0.875rem; margin-bottom: 0.75rem; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* 產品詳情頁摘要收合 */
.product-summary-wrap { cursor: pointer; user-select: none; }
.product-summary-wrap .product-summary { color: #4A4A4A; font-size: 0.9375rem; line-height: 1.7; margin-bottom: 0.5rem; white-space: pre-wrap; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.product-summary-wrap .product-summary.expanded { display: block; -webkit-line-clamp: unset; white-space: pre-wrap; }
.product-summary-expand-btn { font-size: 0.82rem; font-weight: 500; color: #0B6E72; display: block; margin-bottom: 0.75rem; }
.product-summary-expand-btn:hover { text-decoration: underline; }
.product-tags { display: flex; flex-wrap: wrap; gap: 0.3rem; margin-bottom: 0.75rem; }
.tag { background: #F3F7F8; color: #7AADB0; padding: 0.15rem 0.5rem; border-radius: 2px; font-size: 0.78rem; border: 1px solid #E8F2F3; }

/* ── Catalog Page ── */
.catalog-page { max-width: 1200px; margin: 0 auto; padding: 2rem 1.5rem; }
.catalog-header { margin-bottom: 0.5rem; }
.catalog-header h1 { font-size: 1.75rem; font-weight: 700; color: #0C2E30; }
.result-count { color: #7AADB0; font-size: 0.9rem; margin-top: 0.25rem; }

/* ── Catalog Filters ── */
.filter-label { font-size: 0.875rem; color: #7AADB0; font-weight: 600; white-space: nowrap; }
.category-tabs { display: flex; gap: 0.4rem; flex-wrap: wrap; margin: 1.5rem 0 0.75rem; align-items: center; }
.category-tabs .tab { padding: 0.4rem 1rem; border: 1px solid #D0E4E6; border-radius: 2px; font-size: 0.875rem; cursor: pointer; transition: all 0.18s; color: #3A6366; background: #fff; text-decoration: none; }
.category-tabs .tab:hover { border-color: #0B6E72; color: #0B6E72; }
.category-tabs .tab.active { background: #0B6E72; color: #fff; border-color: #0B6E72; }

/* Filter Bar：單列排列 */
.filter-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.filter-bar-left { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; flex: 1; }
.search-form { display: contents; }
.search-box { display: flex; align-items: center; gap: 0.4rem; border: 1px solid #D0E4E6; border-radius: 2px; background: #fff; height: 40px; min-width: 260px; padding: 0 0.75rem; }
.search-box:focus-within { border-color: #0B6E72; box-shadow: 0 0 0 3px rgba(11,110,114,0.08); }
.search-icon { width: 16px; height: 16px; color: #7AADB0; flex-shrink: 0; }
.search-input { border: none; outline: none; font-size: 0.9rem; font-family: inherit; background: transparent; color: #3A6366; flex: 1; height: 100%; }
.tag-filters { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.tag-chip { padding: 0.3rem 0.8rem; border: 1px solid #D0E4E6; border-radius: 2px; font-size: 0.85rem; cursor: pointer; transition: all 0.18s; color: #3A6366; background: #fff; text-decoration: none; }
.tag-chip:hover { border-color: #0B6E72; color: #0B6E72; }
.tag-chip.active { background: #0B6E72; color: #fff; border-color: #0B6E72; }
.btn-clear { font-size: 0.82rem; color: #7AADB0; text-decoration: underline; white-space: nowrap; cursor: pointer; }
.btn-clear:hover { color: #0B6E72; }
.result-count { color: #7AADB0; font-size: 0.9rem; white-space: nowrap; }

/* ── Pagination ── */
.pagination { display: flex; gap: 0.3rem; justify-content: center; margin: 2rem 0; }
.page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 34px; height: 34px; padding: 0 0.5rem; border: 1px solid #D0E4E6; border-radius: 2px; font-size: 0.875rem; color: #3A6366; background: #fff; transition: all 0.18s; }
.page-link.active { background: #0B6E72; color: #fff; border-color: #0B6E72; }
.page-link:hover:not(.active) { border-color: #0B6E72; color: #0B6E72; }

/* ── Product Detail ── */
.product-detail { max-width: 1100px; margin: 2rem auto; padding: 0 1.5rem; }
.product-detail-main { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; align-items: start; }
.product-info h1 { font-size: 1.75rem; color: #0C2E30; font-weight: 700; margin: 0.75rem 0 0.5rem; line-height: 1.3; }
.product-info .category-badge { margin-bottom: 0.25rem; }

/* Main image */
.main-image-wrap { position: relative; width: 100%; aspect-ratio: 4/3; overflow: hidden; border-radius: 2px; background: #E8F2F3; border: 1px solid #D0E4E6; }
.main-image { width: 100%; height: 100%; object-fit: cover; cursor: zoom-in; transition: opacity 0.2s; }
.lightbox-hint { position: absolute; bottom: 0.75rem; right: 0.75rem; background: rgba(11,110,114,0.85); color: #fff; padding: 0.35rem 0.75rem; border-radius: 2px; font-size: 0.78rem; opacity: 0; transition: opacity 0.2s; pointer-events: none; }
.main-image-wrap:hover .lightbox-hint { opacity: 1; }
.thumbnail-strip { display: flex; gap: 0.5rem; margin-top: 0.5rem; flex-wrap: wrap; }
.thumbnail { width: 68px; height: 54px; object-fit: cover; border-radius: 2px; cursor: pointer; border: 2px solid transparent; transition: border-color 0.18s; }
.thumbnail.active, .thumbnail:hover { border-color: #0B6E72; }
.product-code { color: #7AADB0; font-size: 0.875rem; margin-bottom: 0.75rem; }
.product-description { margin-top: 2rem; }
.product-description h2 { font-size: 1.875rem; color: #0C2E30; font-weight: 700; margin-bottom: 0; }
.description-content { line-height: 1.85; color: #3A6366; margin-top: 1.5rem; white-space: pre-wrap; }
.desc-section-header { margin-bottom: 1rem; }
.desc-section-label { font-size: 0.9375rem; font-weight: 500; color: #0B6E72; letter-spacing: 0.08em; display: block; margin-bottom: 0.4rem; }
.desc-section-divider { border: none; border-top: 1px solid #E8F2F3; margin: 1rem 0 1.5rem; }
.desc-img-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.desc-img-item { position: relative; border-radius: 6px; overflow: hidden; cursor: pointer; background: #E8F2F3; aspect-ratio: 4/3; }
.desc-img-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.25s; }
.desc-img-item:hover img { transform: scale(1.04); }
.desc-img-zoom { position: absolute; bottom: 8px; right: 8px; width: 32px; height: 32px; background: rgba(0,0,0,0.5); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.9rem; color: #fff; opacity: 0; transition: opacity 0.2s; pointer-events: none; }
.desc-img-item:hover .desc-img-zoom { opacity: 1; }
.btn-inquiry { margin-top: 1.25rem; margin-right: 0.5rem; }
.btn-back { margin-top: 0.5rem; }

/* ── Lightbox ── */
.lightbox { display: none; position: fixed; inset: 0; z-index: 1000; align-items: center; justify-content: center; }
.lightbox-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.92); }
.lightbox-content { position: relative; z-index: 1; max-width: 90vw; text-align: center; }
.lightbox-image { max-height: 80vh; max-width: 85vw; border-radius: 2px; }
.lightbox-close { position: fixed; top: 1rem; right: 1rem; background: rgba(255,255,255,0.15); border: none; color: #fff; font-size: 1.4rem; width: 40px; height: 40px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; }
.lightbox-close:hover { background: rgba(255,255,255,0.25); }
.lightbox-counter { position: fixed; top: 1.1rem; left: 1.5rem; color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.lightbox-arrow { position: fixed; top: 50%; transform: translateY(-50%); background: rgba(255,255,255,0.12); border: none; color: #fff; font-size: 2.5rem; width: 50px; height: 50px; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; line-height: 1; }
.lightbox-arrow:hover { background: rgba(255,255,255,0.22); }
.lightbox-arrow.prev { left: 1.25rem; }
.lightbox-arrow.next { right: 1.25rem; }
.lightbox-thumbnails { display: flex; gap: 0.5rem; margin-top: 0.75rem; justify-content: center; overflow-x: auto; max-width: 85vw; padding-bottom: 0.25rem; }
.lb-thumb { width: 60px; height: 45px; object-fit: cover; cursor: pointer; border: 2px solid transparent; border-radius: 2px; opacity: 0.6; transition: all 0.18s; }
.lb-thumb.active, .lb-thumb:hover { border-color: #fff; opacity: 1; }

/* ── Carousel ── */
.desc-images { margin-top: 2rem; }
.desc-images h2 { font-size: 1.25rem; color: #0C2E30; font-weight: 600; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #E8F2F3; }
.carousel { position: relative; background: #E8F2F3; border-radius: 2px; overflow: hidden; }
.carousel-track { width: 100%; }
.carousel-img { display: none; max-width: 100%; border-radius: 2px; }
.carousel-img.active { display: block; width: 100%; max-height: 400px; object-fit: contain; background: #E8F2F3; }
.carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); background: rgba(0,0,0,0.4); border: none; color: #fff; font-size: 2rem; cursor: pointer; border-radius: 50%; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; transition: background 0.18s; z-index: 1; }
.carousel-arrow:hover { background: rgba(0,0,0,0.65); }
.carousel-arrow.prev { left: 0.75rem; }
.carousel-arrow.next { right: 0.75rem; }
.carousel-dots { text-align: center; padding: 0.75rem 0; background: #E8F2F3; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #7AADB0; margin: 0 4px; cursor: pointer; transition: background 0.18s; }
.dot.active { background: #0B6E72; }

/* ── Contact ── */
.contact-page { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; max-width: 1100px; margin: 2.5rem auto; padding: 0 1.5rem; align-items: start; }
.contact-form-card { background: #fff; padding: 2rem; border-radius: 2px; border: 1px solid #E8F2F3; }
.contact-form-card h2 { font-size: 1.25rem; font-weight: 700; color: #0C2E30; margin-bottom: 1.5rem; }
.contact-form .form-group { margin-bottom: 1.25rem; }
.contact-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.contact-form label { display: block; font-weight: 500; margin-bottom: 0.35rem; color: #0C2E30; font-size: 0.9rem; }
.form-control { width: 100%; padding: 0.5rem 0.75rem; border: 1px solid #D0E4E6; border-radius: 2px; font-size: 0.9375rem; font-family: inherit; color: #3A6366; background: #fff; transition: border-color 0.18s; }
.form-control:focus { outline: none; border-color: #0B6E72; box-shadow: 0 0 0 3px rgba(11,110,114,0.08); }
textarea.form-control { resize: vertical; min-height: 110px; }
.required { color: #dc3545; }
.field-error { color: #dc3545; font-size: 0.85rem; margin-top: 0.25rem; display: block; }
.contact-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.contact-sidebar-card { background: #fff; padding: 1.5rem; border-radius: 2px; border: 1px solid #E8F2F3; }
.contact-sidebar-card h3 { color: #0C2E30; font-size: 1rem; font-weight: 600; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #E8F2F3; }
.contact-steps { list-style: none; counter-reset: step; }
.contact-steps li { counter-increment: step; padding: 0.7rem 0; border-bottom: 1px solid #F3F7F8; font-size: 0.875rem; color: #3A6366; display: flex; gap: 0.75rem; align-items: flex-start; line-height: 1.5; }
.contact-steps li:last-child { border-bottom: none; padding-bottom: 0; }
.contact-steps li::before { content: counter(step); display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 22px; height: 22px; background: #0B6E72; color: #fff; border-radius: 50%; font-size: 0.72rem; font-weight: 700; margin-top: 0.1rem; }
.contact-info-item { display: flex; gap: 0.75rem; align-items: flex-start; padding: 0.5rem 0; font-size: 0.9rem; border-bottom: 1px solid #F3F7F8; }
.contact-info-item:last-child { border-bottom: none; }
.contact-info-label { color: #7AADB0; font-weight: 600; min-width: 48px; font-size: 0.85rem; }
.contact-info-item a { color: #0B6E72; }
.contact-success { text-align: center; padding: 3rem 1.5rem; }
.contact-success-icon { width: 64px; height: 64px; background: #0B6E72; color: #fff; border-radius: 50%; font-size: 2rem; display: flex; align-items: center; justify-content: center; margin: 0 auto 1.25rem; }
.contact-success h3 { font-size: 1.25rem; font-weight: 700; color: #0C2E30; margin-bottom: 0.5rem; }
.contact-success p { color: #7AADB0; font-size: 0.95rem; }

/* ── About ── */
.about-hero-section { background: #0C2E30; color: #fff; padding: 4rem 2rem; text-align: center; }
.about-hero-section h1 { font-size: 2.5rem; font-weight: 700; }
.about-hero-subtitle { font-size: 1.1rem; color: #7AADB0; margin-top: 0.5rem; }
.about-story, .about-services, .about-timeline { padding: 3.5rem 0; }
.about-story { background: #fff; }
.about-services { background: #F3F7F8; }
.about-timeline { background: #fff; }
.section-title { font-size: 1.75rem; color: #0C2E30; font-weight: 700; }
.section-subtitle { color: #7AADB0; font-size: 0.9375rem; font-weight: 400; margin-top: 0.25rem; margin-bottom: 1.75rem; }
.about-story p { color: #3A6366; line-height: 1.85; max-width: 760px; white-space: pre-wrap; }
.company-stats { display: flex; gap: 1.25rem; margin: 1.75rem 0; flex-wrap: wrap; }
.stat { text-align: center; padding: 1.25rem 2rem; background: #F3F7F8; border-radius: 2px; border: 1px solid #E8F2F3; border-bottom: 3px solid #0B6E72; }
.stat strong { display: block; font-size: 2.25rem; color: #0B6E72; font-weight: 700; line-height: 1.2; }
.stat span { color: #7AADB0; font-size: 0.875rem; display: block; margin-top: 0.25rem; }
.service-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 0.5rem; }
.service-list li { background: #fff; padding: 1.5rem; border-radius: 2px; border: 1px solid #D0E4E6; border-left: 3px solid #0B6E72; }
.service-list li strong { display: block; color: #0C2E30; font-size: 0.9375rem; font-weight: 600; margin-bottom: 0.4rem; }
.service-list li p { color: #7AADB0; font-size: 0.875rem; margin: 0; line-height: 1.6; }
.timeline { border-left: 3px solid #0B6E72; padding-left: 1.75rem; margin-top: 0.5rem; }
.timeline-item { margin-bottom: 2rem; position: relative; }
.timeline-item::before { content: ''; position: absolute; left: -2.0625rem; top: 0.4rem; width: 10px; height: 10px; background: #0B6E72; border-radius: 50%; border: 2px solid #fff; box-shadow: 0 0 0 2px #0B6E72; }
.timeline-year { font-weight: 700; color: #0B6E72; font-size: 1.0625rem; display: block; }
.timeline-content strong { display: block; color: #0C2E30; font-weight: 600; margin: 0.2rem 0 0.3rem; }
.timeline-content p { color: #7AADB0; font-size: 0.875rem; margin: 0; line-height: 1.6; }
.about-cta-section { background: #0C2E30; color: #fff; padding: 4rem 2rem; text-align: center; }
.about-cta-section h2 { font-size: 1.75rem; font-weight: 700; margin-bottom: 0.75rem; }
.about-cta-section p { color: #7AADB0; margin-bottom: 1.75rem; max-width: 560px; margin-left: auto; margin-right: auto; }
.btn-cta-white { background: #fff !important; color: #0C2E30 !important; }
.btn-cta-white:hover { background: #E8F2F3 !important; }

/* ── Footer ── */
.site-footer { background: #0C2E30; color: #7AADB0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; padding: 2rem 3rem; gap: 2rem; }
.footer-logo-wrap { display: flex; flex-direction: column; gap: 4px; }
.footer-logo-row { display: flex; align-items: center; gap: 10px; }
.footer-logo-mark { width: 28px; height: 28px; background: #0B6E72; border-radius: 2px; flex-shrink: 0; }
.footer-logo-img { height: 28px; width: auto; flex-shrink: 0; }
.footer-logo-text { color: #fff; font-size: 1rem; font-weight: 600; }
.footer-copyright { color: #7AADB0; font-size: 0.8rem; }
.footer-links { display: flex; align-items: center; gap: 2rem; }
.footer-links a { color: #7AADB0; font-size: 0.9rem; transition: color 0.18s; }
.footer-links a:hover { color: #E8F2F3; }
.footer-contact { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.footer-contact a { font-size: 0.9rem; transition: color 0.18s; }
.footer-contact a.footer-phone { color: #fff; font-weight: 500; }
.footer-contact a.footer-email { color: #7AADB0; }
.footer-contact a:hover { color: #E8F2F3; }
.footer-social { display: flex; gap: 0.75rem; margin-top: 4px; }
.social-link { font-size: 0.8rem; font-weight: 600; padding: 2px 10px; border-radius: 2px; transition: opacity 0.18s; }
.social-link:hover { opacity: 0.8; }
.social-link-line { background: #06C755; color: #fff; }
.social-link-fb { background: #1877F2; color: #fff; }
.contact-social { display: flex; gap: 0.75rem; padding-top: 0.75rem; }
.contact-social .social-link { font-size: 0.85rem; padding: 4px 14px; }

/* ── Alerts ── */
.alert { padding: 0.75rem 1rem; border-radius: 2px; font-size: 0.9rem; border: 1px solid transparent; }
.alert-success { background: #E8F2F3; border-color: #A8EFED; color: #0B6E72; }
.alert-danger { background: #fdf0f0; border-color: #f5c6cb; color: #721c24; }
.alert-info { background: #e0f0ff; border-color: #b8d8f5; color: #1e5fa8; }

/* ── Toast ── */
.toast-container { position: fixed; bottom: 2rem; right: 2rem; z-index: 9999; display: flex; flex-direction: column; gap: 0.5rem; }
.toast { background: #fff; border-radius: 2px; padding: 0.75rem 1.25rem; box-shadow: 0 4px 16px rgba(0,0,0,0.15); transform: translateX(120%); transition: transform 0.3s ease; max-width: 320px; font-size: 0.9rem; }
.toast.show { transform: translateX(0); }
.toast-success { border-left: 4px solid #0B6E72; }
.toast-error { border-left: 4px solid #dc3545; }

/* ── Misc ── */
.empty-state { text-align: center; padding: 3rem 1rem; color: #7AADB0; background: #fff; border-radius: 2px; border: 1px dashed #D0E4E6; min-height: 180px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 0.9375rem; }
.error-page { text-align: center; padding: 5rem 2rem; }
.error-page h1 { font-size: 2rem; margin-bottom: 1rem; color: #0C2E30; }
.correlation-id { font-size: 0.85rem; color: #7AADB0; margin-top: 1rem; }

/* ── Responsive ── */
@media (max-width: 900px) {
    .service-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .hero { padding: 0 1.5rem; min-height: 400px; }
    .hero-content h1 { font-size: 2.25rem; }
    .hero-ctas { flex-direction: column; align-items: flex-start; }
    .product-detail-main { grid-template-columns: 1fr; }
    .contact-page { grid-template-columns: 1fr; }
    .contact-form-row { grid-template-columns: 1fr; gap: 0; }
    .desc-img-grid { grid-template-columns: repeat(2, 1fr); }
    .navbar { padding: 0 1.25rem; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: #fff; padding: 1rem 1.5rem; border-top: 1px solid #E8F2F3; z-index: 100; box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
    .btn-nav-cta { display: none; }
    .footer-inner { flex-direction: column; align-items: flex-start; gap: 1.25rem; padding: 1.5rem; }
    .footer-contact { align-items: flex-start; }
}