/* ไฟดี อิเล็กทริก (เว็บตัวอย่าง) — สไตล์หลักใช้ร่วมทุกหน้า
   โทนฟ้าสบายตา: แก้สีทั้งเว็บได้ที่ตัวแปรใน :root */
:root {
  --c-primary: #2f74b5;        /* ปุ่ม / ลิงก์ (ตัดกับขาว ~5:1) */
  --c-primary-hover: #25639e;
  --c-primary-soft: #4a90d9;   /* สีตกแต่ง */
  --c-primary-tint: #e3effb;
  --c-accent: #2a8c86;         /* ฟ้าอมเขียวอ่อนๆ ใช้น้อยๆ */
  --c-bg: #f5f9fd;
  --c-tint: #eef5fc;
  --c-surface: #ffffff;
  --c-text: #1e3a5f;
  --c-heading: #17304f;
  --c-muted: #4f6480;
  --c-line: #d8e5f3;
  --c-band-1: #24609a;
  --c-band-2: #2f74b5;
  --c-danger: #b42318;
  --c-success: #1f7a4d;

  --font: 'IBM Plex Sans Thai', system-ui, -apple-system, 'Segoe UI', Tahoma, sans-serif;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(30, 58, 95, .06), 0 1px 3px rgba(30, 58, 95, .06);
  --shadow: 0 6px 20px rgba(30, 58, 95, .08);
  --shadow-lg: 0 14px 34px rgba(30, 58, 95, .12);
  --container: 1180px;
  --gutter: 16px;
  --header-h: 64px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body {
  margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.7;
  color: var(--c-text); background: var(--c-bg); overflow-wrap: break-word;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--c-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--c-primary-hover); }
h1, h2, h3 { color: var(--c-heading); line-height: 1.35; margin: 0 0 .5em; font-weight: 700; }
h1 { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.5rem); }
h2 { font-size: clamp(1.3rem, 1.1rem + 1vw, 1.75rem); }
h3 { font-size: 1.08rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }
address { font-style: normal; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--c-primary-soft); outline-offset: 2px; border-radius: 4px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.icon { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: -.2em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-narrow { max-width: 820px; }

.skip-link { position: absolute; left: 8px; top: -60px; z-index: 100; background: var(--c-primary); color: #fff; padding: 8px 14px; border-radius: var(--radius-sm); }
.skip-link:focus { top: 8px; color: #fff; }
main:focus { outline: none; }

/* ---------- ปุ่ม ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  min-height: 44px; padding: .55em 1.15em; border-radius: 999px; border: 2px solid transparent;
  font: inherit; font-weight: 600; line-height: 1.3; text-align: center; text-decoration: none; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, box-shadow .2s, transform .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-sm { min-height: 38px; padding: .35em .95em; font-size: .92rem; }
.btn-lg { min-height: 50px; padding: .65em 1.4em; }
.btn-primary { background: var(--c-primary); color: #fff; box-shadow: 0 4px 12px rgba(47, 116, 181, .25); }
.btn-primary:hover { background: var(--c-primary-hover); color: #fff; }
.btn-outline { background: var(--c-surface); color: var(--c-primary); border-color: #b9d3ec; }
.btn-outline:hover { border-color: var(--c-primary); color: var(--c-primary-hover); background: var(--c-tint); }
.btn-light { background: #fff; color: var(--c-band-1); }
.btn-light:hover { background: var(--c-tint); color: var(--c-band-1); }
.btn-ghost-light { color: #fff; border-color: rgba(255, 255, 255, .6); background: transparent; }
.btn-ghost-light:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-row-center { justify-content: center; }

/* ---------- แถบบน + header ---------- */
.topbar { background: var(--c-tint); color: var(--c-muted); font-size: .85rem; border-bottom: 1px solid var(--c-line); }
.topbar-inner { display: flex; justify-content: space-between; gap: 12px; padding-top: 6px; padding-bottom: 6px; }
.topbar-inner > span:first-child { display: none; }
.topbar-links { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.topbar a { color: var(--c-text); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
.topbar a:hover { color: var(--c-primary); }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--c-line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: var(--header-h); position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--c-heading); min-width: 0; }
.brand img { width: 40px; height: 40px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; min-width: 0; }
.brand-text strong { font-size: 1.08rem; }
.brand-text small { color: var(--c-muted); font-size: .76rem; letter-spacing: .03em; }

.nav-toggle { display: none; }
.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 2px 4px; }
.site-nav a:not(.btn) { display: block; padding: 8px 12px; border-radius: var(--radius-sm); color: var(--c-text); text-decoration: none; font-weight: 500; }
.site-nav a:not(.btn):hover { background: var(--c-tint); color: var(--c-primary); }
.site-nav a[aria-current="page"] { color: var(--c-primary); background: var(--c-primary-tint); font-weight: 600; }

/* มือถือ: เมนูพับ (เฉพาะเมื่อมี JS) */
@media (max-width: 899px) {
  .js .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
    border: 1px solid var(--c-line); border-radius: 12px; background: var(--c-surface); color: var(--c-heading); cursor: pointer; font-size: 1.2rem;
  }
  .nav-toggle .icon-close { display: none; }
  .nav-toggle[aria-expanded="true"] .icon-open { display: none; }
  .nav-toggle[aria-expanded="true"] .icon-close { display: block; }
  .js .site-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--c-surface); border-bottom: 1px solid var(--c-line); box-shadow: var(--shadow-lg); padding: 8px var(--gutter) 16px;
  }
  .js .site-nav.is-open { display: block; }
  .js .site-nav ul { flex-direction: column; }
  .js .site-nav a:not(.btn) { padding: 12px; }
  .nav-cta { margin-top: 8px; width: 100%; }
  .site-header .header-inner { flex-wrap: wrap; }
  html:not(.js) .site-nav { width: 100%; padding-bottom: 8px; }
  html:not(.js) .nav-cta { display: none; }
}
@media (min-width: 900px) {
  .site-nav { display: flex; align-items: center; gap: 12px; }
  .topbar-inner > span:first-child { display: inline-flex; align-items: center; gap: 6px; }
}

/* ---------- breadcrumb ---------- */
.breadcrumb { font-size: .88rem; padding: 14px 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px; color: var(--c-muted); }
.breadcrumb li + li::before { content: '›'; margin-right: 4px; color: #8fa3bb; }
.breadcrumb a { color: var(--c-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--c-primary); text-decoration: underline; }
.breadcrumb [aria-current] { color: var(--c-text); font-weight: 500; }

/* ---------- section ---------- */
.section { padding: 48px 0; }
.section-top-0 { padding-top: 8px; }
.section-tint { background: var(--c-tint); }
.section-head { margin-bottom: 24px; }
.section-head p { color: var(--c-muted); margin: 0; }
.section-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 8px 16px; }
.link-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; text-decoration: none; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; margin: 0 0 12px; padding: 4px 12px; border-radius: 999px; background: var(--c-primary-tint); color: var(--c-primary-hover); font-weight: 600; font-size: .88rem; }
.eyebrow-light { background: rgba(255, 255, 255, .16); color: #fff; }
.page-head { padding: 20px 0 24px; }
.page-head p { color: var(--c-muted); max-width: 720px; margin: 0; }

/* ---------- hero ---------- */
.hero { background: linear-gradient(180deg, var(--c-surface) 0%, var(--c-tint) 100%); padding: 32px 0 44px; overflow: hidden; }
.hero-inner { display: grid; gap: 24px; align-items: center; }
.hero .lead { font-size: 1.05rem; color: var(--c-muted); max-width: 600px; }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 20px; color: var(--c-text); font-weight: 500; font-size: .95rem; }
.hero-points li { display: inline-flex; align-items: center; gap: 6px; }
.hero-points .icon, .check-list .icon { color: var(--c-accent); }
.hero-visual img { display: block; width: 100%; max-width: 480px; margin: 0 auto; }
@media (min-width: 900px) {
  .hero { padding: 56px 0 72px; }
  .hero-inner { grid-template-columns: 1.1fr .9fr; gap: 40px; }
}

/* ---------- หมวดสินค้า ---------- */
.cat-grid { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.cat-card {
  display: flex; flex-direction: column; height: 100%; padding: 12px 12px 14px; border-radius: var(--radius);
  background: var(--c-surface); border: 1px solid var(--c-line); text-decoration: none; color: var(--c-text);
  box-shadow: var(--shadow-sm); transition: box-shadow .2s, transform .2s, border-color .2s;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #b9d3ec; color: var(--c-text); }
.cat-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; }
.cat-name { font-weight: 600; color: var(--c-heading); line-height: 1.4; margin-top: 6px; }
.cat-count { display: inline-flex; align-items: center; gap: 4px; color: var(--c-primary); font-size: .88rem; margin-top: auto; padding-top: 4px; }
@media (min-width: 720px) { .cat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; } }
@media (min-width: 1100px) { .cat-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

/* ---------- การ์ดสินค้า ---------- */
.product-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 560px) { .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; } }
.product-card {
  position: relative; display: flex; flex-direction: column; background: var(--c-surface); border: 1px solid var(--c-line);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow .2s, transform .2s, border-color .2s;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: #b9d3ec; }
.product-card:focus-within { border-color: var(--c-primary-soft); }
.pc-media { background: var(--c-tint); padding: 12px; }
.pc-media img { display: block; width: 100%; max-width: 260px; margin: 0 auto; aspect-ratio: 4 / 3; }
.pc-body { display: flex; flex-direction: column; flex: 1; padding: 14px 16px 16px; }
.pc-cat { align-self: flex-start; display: inline-block; font-size: .8rem; font-weight: 600; color: var(--c-primary-hover); background: var(--c-primary-tint); padding: 2px 10px; border-radius: 999px; text-decoration: none; margin-bottom: 8px; }
.pc-title { font-size: 1.05rem; margin: 0 0 6px; }
.pc-title a { color: var(--c-heading); text-decoration: none; }
.pc-title a::after { content: ''; position: absolute; inset: 0; }
.pc-title a:focus-visible { outline: none; }
.pc-title a:focus-visible::after { outline: 3px solid var(--c-primary-soft); outline-offset: -3px; border-radius: var(--radius); }
.pc-body p { color: var(--c-muted); font-size: .92rem; margin: 0 0 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.pc-more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; color: var(--c-primary); font-weight: 600; font-size: .92rem; }

/* ---------- ทำไมต้องเลือกเรา ---------- */
.why-grid { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
@media (min-width: 640px) { .why-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .why-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; } }
.why-item { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm); }
.why-item p { color: var(--c-muted); margin: 0; font-size: .95rem; }
.why-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 14px; background: var(--c-primary-tint); color: var(--c-primary); font-size: 1.35rem; margin-bottom: 12px; }

/* ---------- แถบลูกค้าองค์กร ---------- */
.b2b { background: linear-gradient(135deg, var(--c-band-1), var(--c-band-2)); color: #fff; padding: 40px 0; }
.b2b h2 { color: #fff; }
.b2b-inner { display: grid; gap: 20px; align-items: center; }
.b2b-list { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px 24px; }
.b2b-list li { display: flex; align-items: center; gap: 8px; }
.b2b-cta { display: flex; flex-wrap: wrap; gap: 12px; }
@media (min-width: 640px) { .b2b-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 960px) { .b2b-inner { grid-template-columns: 1.4fr 1fr; } .b2b-cta { justify-content: flex-end; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq-item { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; flex: none; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--c-primary-tint); color: var(--c-primary); font-weight: 700; font-size: 1.1rem; transition: transform .2s; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item summary h3 { margin: 0; font-size: 1rem; font-weight: 600; }
.faq-item p { padding: 0 18px 16px; margin: 0; color: var(--c-muted); }

/* ---------- CTA ---------- */
.cta-box { display: grid; gap: 16px; align-items: center; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); }
.cta-box p { color: var(--c-muted); margin: 0; }
@media (min-width: 900px) { .cta-box { grid-template-columns: 1fr auto; padding: 32px 40px; } }

/* ---------- หน้าสินค้าทั้งหมด ---------- */
.products-layout { padding-bottom: 48px; }
.filter-bar { position: sticky; top: var(--header-h); z-index: 20; background: var(--c-bg); padding: 12px 0; margin-bottom: 8px; border-bottom: 1px solid var(--c-line); }
.search-box { position: relative; max-width: 520px; }
.search-box .icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--c-muted); }
.search-box input { width: 100%; min-height: 46px; padding: 8px 14px 8px 42px; border: 1px solid #c3d6eb; border-radius: 999px; font: inherit; color: var(--c-text); background: var(--c-surface); }
.search-box input:focus { outline: 3px solid var(--c-primary-tint); border-color: var(--c-primary); }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 10px 0 4px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.chips::-webkit-scrollbar { display: none; }
.chip { flex: none; min-height: 38px; padding: 6px 14px; border-radius: 999px; border: 1px solid #c3d6eb; background: var(--c-surface); color: var(--c-text); font: inherit; font-size: .9rem; cursor: pointer; white-space: nowrap; }
.chip:hover { border-color: var(--c-primary); color: var(--c-primary); }
.chip[aria-pressed="true"] { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.filter-count { margin: 6px 0 0; font-size: .88rem; color: var(--c-muted); }
@media (min-width: 900px) { .chips { flex-wrap: wrap; overflow: visible; } }
.cat-section { padding: 28px 0 8px; }
.cat-section-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.cat-section-head img { width: 72px; flex: none; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: 12px; padding: 4px; }
.cat-section-head h2 { margin: 0 0 2px; font-size: 1.3rem; }
.cat-section-head p { margin: 0; color: var(--c-muted); font-size: .92rem; }
.empty-state { text-align: center; padding: 48px 16px; background: var(--c-surface); border: 1px dashed #b9d3ec; border-radius: var(--radius); margin-top: 16px; }

/* ---------- หน้าสินค้า ---------- */
.product-top { display: grid; gap: 24px; padding-top: 16px; padding-bottom: 32px; }
.product-media { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); align-self: start; }
.product-media img { display: block; width: 100%; max-width: 440px; margin: 0 auto; background: var(--c-tint); border-radius: var(--radius); }
.media-note { font-size: .8rem; color: var(--c-muted); text-align: center; margin: 10px 0 0; }
.product-info h1 { font-size: clamp(1.5rem, 1.2rem + 1.5vw, 2.1rem); margin-bottom: 4px; }
.sku { color: var(--c-muted); font-size: .9rem; margin-bottom: 12px; }
.sku span { font-weight: 600; color: var(--c-text); }
.product-lead { font-size: 1.05rem; }
.price-note { display: flex; gap: 10px; align-items: flex-start; background: var(--c-tint); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 16px; font-size: .95rem; }
.price-note .icon { color: var(--c-primary); margin-top: 4px; }
.h-small { font-size: 1.1rem; margin-top: 24px; }
.check-list { list-style: none; display: grid; gap: 8px; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list .icon { margin-top: 5px; }
.product-details { display: grid; gap: 24px; padding-bottom: 48px; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
.spec-table th, .spec-table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--c-line); vertical-align: top; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { width: 42%; background: var(--c-tint); font-weight: 600; color: var(--c-heading); }
.spec-note { font-size: .85rem; color: var(--c-muted); margin-top: 10px; }
.use-box { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow-sm); align-self: start; }
.help-box { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--c-line); }
@media (min-width: 900px) {
  .product-top { grid-template-columns: 1fr 1.1fr; gap: 40px; padding-top: 24px; }
  .product-details { grid-template-columns: 1.4fr 1fr; gap: 32px; }
}

/* ---------- เกี่ยวกับเรา ---------- */
.about-grid { display: grid; gap: 28px; }
.prose h2 { margin-top: 1.2em; }
.prose h2:first-child { margin-top: 0; }
.stat-box { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow); align-self: start; }
.stats { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.stats li { background: var(--c-tint); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; }
.stats strong { font-size: 1.6rem; color: var(--c-primary); line-height: 1.2; }
.stats span { color: var(--c-muted); font-size: .9rem; }
@media (min-width: 900px) { .about-grid { grid-template-columns: 1.4fr 1fr; gap: 48px; } }

/* ---------- ติดต่อ ---------- */
.contact-grid { display: grid; gap: 24px; }
.contact-cards { list-style: none; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.contact-cards li { display: flex; gap: 12px; align-items: flex-start; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow-sm); min-width: 0; }
.contact-cards li > .icon { font-size: 1.4rem; color: var(--c-primary); background: var(--c-primary-tint); border-radius: 12px; padding: 8px; width: 40px; height: 40px; }
.contact-cards h2 { font-size: .95rem; margin: 0; color: var(--c-muted); font-weight: 500; }
.contact-cards a, .contact-cards span { font-weight: 600; font-size: 1.05rem; display: block; }
.contact-cards small { color: var(--c-muted); }
.contact-cards div { min-width: 0; }
@media (min-width: 560px) { .contact-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.address-box { margin-top: 16px; background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow-sm); }
.address-box h2 { font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.map-placeholder {
  margin-top: 12px; min-height: 200px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; gap: 10px;
  text-align: center; color: var(--c-muted); border: 1px dashed #b9d3ec;
  background:
    linear-gradient(90deg, rgba(74, 144, 217, .08) 1px, transparent 1px) 0 0 / 28px 28px,
    linear-gradient(rgba(74, 144, 217, .08) 1px, transparent 1px) 0 0 / 28px 28px,
    var(--c-tint);
}
.map-placeholder .icon { font-size: 2rem; color: var(--c-primary-soft); }
.form-card { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 20px; box-shadow: var(--shadow); align-self: start; }
.form-card > p { color: var(--c-muted); }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; min-width: 0; }
.field label { font-weight: 600; font-size: .95rem; }
.req { color: var(--c-danger); }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--c-text); background: var(--c-surface);
  border: 1px solid #c3d6eb; border-radius: 10px; padding: 10px 12px; min-height: 46px;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 3px solid var(--c-primary-tint); border-color: var(--c-primary); }
.field-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0 14px; }
@media (min-width: 560px) { .field-row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.form-error { color: var(--c-danger); font-weight: 500; }
.form-note { font-size: .85rem; color: var(--c-muted); margin: 12px 0 0; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }

/* ---------- 404 ---------- */
.notfound { text-align: center; padding: 72px 0; }
.nf-code { font-size: clamp(4rem, 3rem + 6vw, 7rem); font-weight: 700; color: var(--c-primary-soft); line-height: 1; margin-bottom: 12px; }

/* ---------- footer ---------- */
.site-footer { background: var(--c-surface); border-top: 1px solid var(--c-line); padding: 40px 0 88px; font-size: .95rem; }
.footer-grid { display: grid; gap: 28px; grid-template-columns: minmax(0, 1fr); }
.footer-brand p { color: var(--c-muted); }
.footer-brand address p { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 6px; color: var(--c-text); }
.footer-brand address .icon { margin-top: 5px; color: var(--c-primary); }
.brand-footer { margin-bottom: 12px; }
.footer-title { font-size: 1rem; margin-bottom: 10px; }
.footer-links { list-style: none; display: grid; gap: 4px; }
.footer-links a { color: var(--c-text); text-decoration: none; }
.footer-links a:hover { color: var(--c-primary); text-decoration: underline; }
.footer-hours { display: flex; gap: 8px; align-items: flex-start; }
.footer-hours .icon { margin-top: 5px; color: var(--c-primary); }
.footer-hours small { color: var(--c-muted); }
.footer-bottom { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--c-line); color: var(--c-muted); font-size: .85rem; }
.footer-bottom p { margin: 0; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 1.5fr 1fr .8fr 1fr; } .site-footer { padding-bottom: 40px; } }

/* ---------- ปุ่มลอย LINE + ป้ายเดโม ---------- */
.line-fab {
  position: fixed; right: 16px; bottom: 16px; z-index: 40; display: inline-flex; align-items: center; gap: 6px;
  min-height: 48px; padding: 10px 16px; border-radius: 999px; background: var(--c-primary); color: #fff;
  font-weight: 600; text-decoration: none; box-shadow: var(--shadow-lg);
}
.line-fab .icon { font-size: 1.25rem; }
.line-fab:hover { background: var(--c-primary-hover); color: #fff; }
.demo-ribbon {
  position: fixed; left: 12px; bottom: 16px; z-index: 60; pointer-events: none;
  background: rgba(30, 58, 95, .88); color: #fff; font-size: .78rem; font-weight: 600;
  padding: 6px 12px; border-radius: 999px; box-shadow: var(--shadow);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .btn:hover, .cat-card:hover, .product-card:hover { transform: none; }
}