/* =============================================================
   Bzery — บริษัท บีเซรี่ จำกัด
   Theme: blue corporate / knowledge & lifestyle store
   ============================================================= */
:root {
  --navy: #0a2a66;
  --blue-900: #082f72;
  --blue-800: #0b3d91;
  --blue-700: #0d4fb3;
  --blue-600: #1565d8;
  --blue-500: #2b7be6;
  --blue-100: #dce8fb;
  --blue-50: #eef4fd;
  --ink: #18213d;
  --text: #3a4560;
  --muted: #6c7792;
  --line: #e2e8f2;
  --surface: #f5f8fd;
  --white: #fff;
  --gold: #f6a609;
  --red: #e5343a;
  --green: #17a663;
  --pink: #d2195b;
  --violet: #5a3fc0;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 2px rgba(16, 38, 89, .06), 0 2px 8px rgba(16, 38, 89, .05);
  --shadow: 0 6px 24px rgba(16, 38, 89, .10);
  --shadow-lg: 0 18px 50px rgba(16, 38, 89, .16);
  --container: 1200px;
  --font: 'Kanit', 'Sukhumvit Set', 'Thonburi', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-700); text-decoration: none; }
a:hover { color: var(--blue-600); }
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; line-height: 1.25; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
strong, b { font-weight: 500; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid rgba(43, 123, 230, .45); outline-offset: 2px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--blue-700); color: #fff; padding: 8px 14px; z-index: 100; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: .62em 1.25em; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-weight: 500; cursor: pointer; line-height: 1.2; text-align: center;
  transition: background-color .2s, color .2s, box-shadow .2s, transform .1s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: linear-gradient(180deg, var(--blue-600), var(--blue-700)); color: #fff; box-shadow: 0 4px 12px rgba(13, 79, 179, .25); }
.btn-primary:hover { background: linear-gradient(180deg, var(--blue-700), var(--blue-800)); color: #fff; }
.btn-outline { background: #fff; color: var(--blue-700); border-color: var(--blue-100); }
.btn-outline:hover { background: var(--blue-50); color: var(--blue-800); }
.btn-white { background: #fff; color: var(--blue-800); }
.btn-white:hover { background: var(--blue-50); color: var(--blue-900); }
.btn-glass { background: rgba(255, 255, 255, .16); color: #fff; border-color: rgba(255, 255, 255, .55); backdrop-filter: blur(4px); }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #12894f; color: #fff; }
.btn-danger { background: var(--red); color: #fff; }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--red); }
.btn-sm { padding: .5em 1em; font-size: .92rem; }
.btn-lg { padding: .8em 1.6em; font-size: 1.05rem; }
.btn-pill { border-radius: 999px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .55; pointer-events: none; }

/* ---------- header ---------- */
.site-header { background: #fff; position: sticky; top: 0; z-index: 50; box-shadow: 0 1px 0 var(--line); }
.header-top { display: flex; align-items: center; gap: 28px; padding-top: 10px; padding-bottom: 10px; }
.brand img { width: 176px; height: auto; }
.search { flex: 1; display: flex; max-width: 520px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 4px 4px 4px 18px; transition: border-color .2s, box-shadow .2s; }
.search:focus-within { border-color: var(--blue-500); box-shadow: 0 0 0 4px rgba(43, 123, 230, .12); background: #fff; }
.search input { flex: 1; border: 0; background: transparent; outline: none; min-width: 0; font-size: .95rem; }
.search input::placeholder { color: #9aa3b8; }
.search button { width: 46px; height: 38px; border: 0; border-radius: 999px; background: var(--blue-800); color: #fff; cursor: pointer; font-size: 1.05rem; }
.search button:hover { background: var(--blue-700); }
.header-actions { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.hdr-link { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); font-weight: 400; }
.hdr-link i { font-size: 1.35rem; color: var(--blue-800); }
.hdr-cart { position: relative; color: var(--blue-800); font-size: 1.5rem; line-height: 1; }
.hdr-cart .badge { position: absolute; top: -8px; right: -10px; min-width: 19px; height: 19px; padding: 0 5px; border-radius: 999px; background: var(--red); color: #fff; font-size: .7rem; font-weight: 500; display: grid; place-items: center; border: 2px solid #fff; }
.hdr-cart .badge.bump { animation: bump .45s ease; }
@keyframes bump { 40% { transform: scale(1.35); } }
.nav-toggle { display: none; border: 0; background: var(--blue-50); color: var(--blue-800); width: 42px; height: 42px; border-radius: 10px; font-size: 1.5rem; cursor: pointer; }

.main-nav { background: var(--blue-50); border-top: 1px solid var(--line); }
.main-nav ul { list-style: none; margin: 0; padding: 9px 0; display: flex; justify-content: space-between; gap: 4px; }
.main-nav a { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; color: var(--ink); font-weight: 400; font-size: .97rem; white-space: nowrap; transition: background-color .2s, color .2s; }
.main-nav a i { font-size: 1.15rem; color: var(--blue-800); }
.main-nav a:hover { background: #fff; color: var(--blue-800); }
.main-nav a.active { background: linear-gradient(180deg, var(--blue-600), var(--blue-800)); color: #fff; box-shadow: 0 4px 12px rgba(13, 79, 179, .3); }
.main-nav a.active i { color: #fff; }
.show-sm { display: none; }

.flash-wrap { padding-top: 16px; }
.alert { padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 10px; display: flex; gap: 10px; align-items: flex-start; }
.alert-success { background: #e7f7ef; color: #0c6b3f; border: 1px solid #bfe9d3; }
.alert-error { background: #fdecec; color: #a2242a; border: 1px solid #f5c6c8; }
.alert-info { background: var(--blue-50); color: var(--blue-800); border: 1px solid var(--blue-100); }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(100deg, #ffffff 0%, #f3f8ff 38%, #dcebff 100%); }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 80% at 10% 20%, rgba(255, 255, 255, .9), transparent 60%); pointer-events: none; }
.hero-bg {
  position: absolute; top: 0; right: 0; bottom: 0; width: 58%;
  background-size: cover; background-position: right top;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 26%);
  mask-image: linear-gradient(90deg, transparent 0, #000 26%);
}
.hero-inner { position: relative; min-height: 430px; display: flex; align-items: center; padding-top: 44px; padding-bottom: 34px; }
.hero-copy { max-width: 600px; }
.hero h1 { font-weight: 700; font-size: clamp(2.1rem, 4.6vw, 3.55rem); line-height: 1.12; margin-bottom: .35em; letter-spacing: -.01em; }
.hero h1 .l1 { display: block; color: var(--navy); }
.hero h1 .l2 { display: block; background: linear-gradient(90deg, var(--blue-700), var(--blue-500)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--ink); font-weight: 400; font-size: 1.08rem; margin-bottom: .4em; }
.hero-quote { font-style: italic; color: var(--text); font-size: 1.05rem; margin-bottom: 1.3em; }
.hero-trust { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 28px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; color: var(--ink); font-size: .93rem; font-weight: 400; }
.hero-trust i { font-size: 1.3rem; color: var(--blue-800); }

/* ---------- category tiles ---------- */
.cat-tiles { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; margin-top: 12px; }
.cat-tile { border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; background: var(--blue-700); }
.cat-tile:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.cat-tile img { aspect-ratio: 133 / 116; object-fit: cover; width: 100%; transition: transform .4s; }
.cat-tile:hover img { transform: scale(1.05); }
.cat-tile span { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 6px; padding: 9px 10px 9px 12px; color: #fff; font-weight: 500; font-size: clamp(.8rem, 1.05vw, .95rem); white-space: nowrap; }
.cat-tile span i { width: 22px; height: 22px; border-radius: 50%; background: #fff; color: inherit; display: grid; place-items: center; font-size: .7rem; flex: none; }
.cat-books span { background: linear-gradient(90deg, #1360c9, #1d76e0); } .cat-books span i { color: #1360c9; }
.cat-courses span { background: linear-gradient(90deg, #1561cf, #2a7fe8); } .cat-courses span i { color: #1561cf; }
.cat-stock span { background: linear-gradient(90deg, #0b3d91, #1456c0); } .cat-stock span i { color: #0b3d91; }
.cat-property span { background: linear-gradient(90deg, #1a6fe0, #3b8ef0); } .cat-property span i { color: #1a6fe0; }
.cat-gifts span { background: linear-gradient(90deg, #c2185b, #e33d6d); } .cat-gifts span i { color: #c2185b; }
.cat-payment span { background: linear-gradient(90deg, #1466c2, #2c86e0); } .cat-payment span i { color: #1466c2; }
.cat-activity span { background: linear-gradient(90deg, #4e3cb8, #6b55d6); } .cat-activity span i { color: #4e3cb8; }

/* ---------- sections ---------- */
.section { margin-top: 34px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.section-head h2 { font-size: 1.55rem; font-weight: 600; color: var(--navy); margin: 0; display: flex; align-items: center; gap: 10px; }
.section-head h2 i { color: var(--blue-700); font-size: 1.4rem; }
.section-head p { margin: 2px 0 0; color: var(--muted); font-size: .95rem; }
.see-all { font-weight: 400; white-space: nowrap; display: inline-flex; align-items: center; gap: 4px; }

/* ---------- product cards ---------- */
.product-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.product-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s, border-color .2s; }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--blue-100); }
.pc-img { position: relative; display: block; margin: 6px 6px 0; border-radius: 6px; overflow: hidden; background: var(--surface); isolation: isolate; }
.pc-img::before { content: ""; position: absolute; inset: -20px; background: var(--img) center / cover; filter: blur(16px) saturate(1.2); opacity: .55; z-index: -1; }
.pc-img img { width: 100%; aspect-ratio: 5 / 4; object-fit: contain; transition: transform .35s; }
.product-card:hover .pc-img img { transform: scale(1.04); }
.pc-tag { position: absolute; top: 6px; left: 6px; background: var(--red); color: #fff; font-size: .75rem; font-weight: 500; padding: 2px 8px; border-radius: 999px; }
.pc-body { padding: 10px 12px 12px; display: flex; flex-direction: column; flex: 1; }
.pc-title { font-size: .95rem; font-weight: 500; margin: 0 0 6px; line-height: 1.35; }
.pc-title a { color: var(--ink); }
.pc-title a:hover { color: var(--blue-700); }
.pc-title small { display: block; font-size: .78rem; font-weight: 300; color: var(--muted); margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pc-foot { margin-top: auto; display: flex; align-items: flex-end; justify-content: space-between; gap: 8px; }
.pc-price { font-weight: 600; color: var(--ink); font-size: 1.12rem; line-height: 1.3; }
.pc-price del { font-weight: 300; font-size: .78rem; color: var(--muted); margin-left: 4px; }
.pc-rating { font-size: .75rem; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.stars { color: var(--gold); letter-spacing: 1px; white-space: nowrap; }
.pc-cart { width: 36px; height: 36px; border-radius: 50%; border: 0; background: var(--blue-700); color: #fff; display: grid; place-items: center; font-size: 1.05rem; cursor: pointer; flex: none; transition: background-color .2s, transform .15s; }
.pc-cart:hover { background: var(--blue-900); color: #fff; transform: scale(1.06); }
.pc-cart.added { background: var(--green); }

/* ---------- promo banners ---------- */
.promo-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 34px; }
.promo { position: relative; overflow: hidden; border-radius: var(--radius); min-height: 196px; color: #fff; display: flex; align-items: center; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.promo:hover { color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.promo-course { background: linear-gradient(110deg, #0a2f78 0%, #1257c4 55%, #2a7be6 100%); }
.promo-stock { background: linear-gradient(110deg, #072860 0%, #0c3f95 50%, #135ac6 100%); }
.promo-img { position: absolute; right: 0; top: 0; height: 100%; width: 42%; object-fit: cover; -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 35%); mask-image: linear-gradient(90deg, transparent 0, #000 35%); }
.promo-stock .promo-img { width: 50%; }
.promo-copy { position: relative; padding: 22px 26px; max-width: 64%; }
.promo-copy h3 { color: #fff; font-size: 1.5rem; font-weight: 600; margin-bottom: 8px; }
.promo-copy p { color: rgba(255, 255, 255, .88); margin-bottom: 16px; }
.promo-tag { display: inline-block; background: #fff; color: var(--blue-800); font-weight: 500; font-size: .85rem; padding: 2px 12px; border-radius: 6px; margin-bottom: 8px; }
.checks { list-style: none; margin: 0 0 14px; padding: 0; display: grid; grid-template-columns: repeat(2, auto); gap: 4px 22px; justify-content: start; }
.checks li { display: flex; gap: 6px; align-items: center; font-weight: 400; }
.checks i { color: #3ddc84; }

/* ---------- post cards ---------- */
.post-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.post-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.post-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.post-img { display: block; padding: 6px 6px 0; }
.post-img img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; border-radius: 6px; }
.post-body { padding: 10px 12px 12px; display: flex; flex-direction: column; flex: 1; }
.post-body h3 { font-size: .97rem; font-weight: 500; margin: 0 0 4px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-body h3 a { color: var(--ink); }
.post-body h3 a:hover { color: var(--blue-700); }
.post-body p { font-size: .85rem; color: var(--muted); margin: 0 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-body time { margin-top: auto; font-size: .78rem; color: var(--muted); display: flex; gap: 6px; align-items: center; }

/* ---------- features ---------- */
.features { margin-top: 40px; padding: 26px 0; border-top: 1px solid var(--line); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { display: flex; align-items: center; gap: 16px; justify-content: center; }
.feature > i { font-size: 2.6rem; color: var(--blue-700); line-height: 1; }
.feature strong { display: block; color: var(--ink); font-size: 1.05rem; font-weight: 500; }
.feature span { color: var(--muted); font-size: .9rem; }

/* ---------- footer ---------- */
.site-footer { position: relative; color: rgba(255, 255, 255, .86); background: radial-gradient(70% 120% at 60% 0%, #1150b5 0%, transparent 60%), linear-gradient(180deg, #0c3d93 0%, #082c6e 100%); overflow: hidden; }
.site-footer::before {
  content: ""; position: absolute; left: 0; right: 0; bottom: 48px; height: 120px; opacity: .1; pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 600 120' preserveAspectRatio='none'%3E%3Cpath fill='%23fff' d='M0 120V80h20V60h18v20h14V40h22v40h12V70h16V30h8V18h10v12h8v50h14V56h20v24h10V46h24v34h16V64h12V20h6V8h6v12h6v60h18V58h22v22h14V36h26v44h10V68h20v12h18V50h12V30h14v20h10v30h22V62h16v18h20V44h24v36h12V24h18v56h14V60h22v20h16V40h20v40h14V70h22v50z'/%3E%3C/svg%3E") repeat-x bottom / 600px 120px;
}
.footer-grid { position: relative; display: grid; grid-template-columns: 1.1fr 1.5fr 1.3fr 1fr; gap: 32px; padding-top: 38px; padding-bottom: 34px; }
.site-footer h3 { color: #fff; font-size: 1.05rem; font-weight: 500; margin-bottom: 12px; }
.footer-brand img { width: 190px; margin-bottom: 10px; }
.footer-brand p { font-size: .9rem; color: rgba(255, 255, 255, .78); }
.footer-contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .93rem; }
.footer-contact li { display: flex; gap: 10px; }
.footer-contact i { color: #fff; margin-top: 2px; }
.footer-contact a { color: #fff; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 4px 20px; font-size: .92rem; }
.footer-links a { color: rgba(255, 255, 255, .86); }
.footer-links a::before { content: "•"; margin-right: 6px; opacity: .7; }
.footer-links a:hover { color: #fff; }
.socials { display: flex; gap: 10px; flex-wrap: wrap; }
.social { width: 40px; height: 40px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-size: 1.2rem; transition: transform .2s; }
.social:hover { transform: translateY(-3px); }
.social-facebook { color: #1877f2; } .social-line { color: #06c755; } .social-youtube { color: #ff0000; } .social-tiktok { color: #111; }
.footer-bottom { position: relative; background: rgba(4, 22, 60, .55); font-size: .85rem; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.footer-bottom nav { display: flex; gap: 0; }
.footer-bottom nav a { color: rgba(255, 255, 255, .86); padding: 0 12px; border-left: 1px solid rgba(255, 255, 255, .3); }
.footer-bottom nav a:first-child { border-left: 0; }
.footer-bottom nav a:hover { color: #fff; }

/* ---------- inner pages ---------- */
.page-head { background: linear-gradient(100deg, #f4f8ff 0%, #e2eeff 100%); border-bottom: 1px solid var(--line); padding: 26px 0 22px; position: relative; overflow: hidden; }
.page-head::after { content: ""; position: absolute; right: -60px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(43, 123, 230, .18), transparent 70%); }
.page-head h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); margin: 4px 0 4px; display: flex; align-items: center; gap: 12px; }
.page-head h1 i { color: var(--blue-700); }
.page-head p { margin: 0; color: var(--muted); }
.breadcrumb { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: .88rem; color: var(--muted); }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: #a8b1c6; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--blue-700); }
.page-body { padding-top: 28px; padding-bottom: 10px; }

.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.toolbar .count { color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--ink); font-size: .92rem; font-weight: 400; }
.chip:hover { border-color: var(--blue-500); color: var(--blue-700); }
.chip.active { background: var(--blue-700); color: #fff; border-color: var(--blue-700); }
select.sort { padding: 8px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }

.product-grid.cols-4 { grid-template-columns: repeat(4, 1fr); gap: 18px; }
.post-grid.cols-3 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
.post-grid.cols-3 .post-img img { aspect-ratio: 16 / 9; }
.empty { text-align: center; padding: 50px 20px; color: var(--muted); background: var(--surface); border-radius: var(--radius); }
.empty i { font-size: 3rem; color: var(--blue-100); display: block; margin-bottom: 8px; }

.pagination { display: flex; justify-content: center; gap: 6px; margin: 28px 0 0; flex-wrap: wrap; }
.pagination a, .pagination span { min-width: 40px; height: 40px; padding: 0 10px; display: grid; place-items: center; border-radius: var(--radius-sm); border: 1px solid var(--line); color: var(--ink); background: #fff; }
.pagination a:hover { border-color: var(--blue-500); color: var(--blue-700); }
.pagination .current { background: var(--blue-700); border-color: var(--blue-700); color: #fff; }

/* library banner */
.library-banner { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: center; border-radius: var(--radius); overflow: hidden; padding: 24px; margin-bottom: 26px; color: #fff; background: linear-gradient(100deg, rgba(10, 52, 38, .92), rgba(16, 82, 58, .75)), var(--lib-bg, none) center / cover; }
.library-banner img { border-radius: 10px; box-shadow: var(--shadow-lg); }
.library-banner h2 { color: #fff; font-size: 1.7rem; margin-bottom: 4px; }
.library-banner .eyebrow { display: inline-block; background: #3fae6a; padding: 2px 12px; border-radius: 999px; font-size: .85rem; margin-bottom: 10px; }
.library-banner p { color: rgba(255, 255, 255, .88); }

/* ---------- product detail ---------- */
.pd { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: start; }
.pd-gallery .main { position: relative; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; aspect-ratio: 1 / 1; }
.pd-gallery .main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.pd-thumbs button { width: 76px; height: 76px; border-radius: 8px; overflow: hidden; border: 2px solid var(--line); padding: 0; background: #fff; cursor: pointer; }
.pd-thumbs button.active { border-color: var(--blue-600); }
.pd-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd-info .cat-badge { display: inline-flex; gap: 6px; align-items: center; padding: 3px 12px; border-radius: 999px; background: var(--blue-50); color: var(--blue-800); font-size: .85rem; font-weight: 400; }
.pd-info h1 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin: 10px 0 4px; }
.pd-sub { color: var(--muted); margin-bottom: 10px; }
.pd-rating { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .92rem; margin-bottom: 16px; }
.pd-price { font-size: 2rem; font-weight: 600; color: var(--blue-800); display: flex; align-items: baseline; gap: 12px; margin-bottom: 18px; }
.pd-price del { font-size: 1.05rem; font-weight: 300; color: var(--muted); }
.pd-price .save { font-size: .85rem; font-weight: 500; color: #fff; background: var(--red); padding: 2px 10px; border-radius: 999px; }
.pd-buy { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; background: #fff; }
.qty button { width: 40px; height: 44px; border: 0; background: var(--surface); cursor: pointer; font-size: 1.1rem; color: var(--ink); }
.qty button:hover { background: var(--blue-50); }
.qty input { width: 56px; height: 44px; border: 0; text-align: center; -moz-appearance: textfield; }
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.pd-meta { list-style: none; padding: 0; margin: 0 0 18px; display: grid; gap: 8px; color: var(--text); font-size: .95rem; }
.pd-meta i { color: var(--blue-700); margin-right: 8px; }
.stock-in { color: var(--green); } .stock-out { color: var(--red); }
.prose { color: var(--text); font-size: 1.02rem; line-height: 1.8; }
.prose h2, .prose h3 { margin-top: 1.4em; color: var(--navy); }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .3em; }
.prose img { border-radius: var(--radius); margin: 1em 0; }
.prose a { text-decoration: underline; }
.box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.box + .box { margin-top: 18px; }
.box h2, .box h3 { font-size: 1.2rem; }
.tabs-title { font-size: 1.25rem; color: var(--navy); border-bottom: 2px solid var(--blue-100); padding-bottom: 10px; margin: 36px 0 16px; }

/* ---------- article ---------- */
.article { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 36px; align-items: start; }
.article-hero { border-radius: var(--radius); overflow: hidden; margin-bottom: 22px; background: var(--surface); }
.article-hero img { width: 100%; max-height: 640px; object-fit: contain; }
.article-meta { display: flex; gap: 18px; color: var(--muted); font-size: .9rem; margin-bottom: 14px; flex-wrap: wrap; }
.article-meta span { display: inline-flex; gap: 6px; align-items: center; }
.side-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.side-list a { display: grid; grid-template-columns: 84px 1fr; gap: 12px; color: var(--ink); align-items: center; }
.side-list img { width: 84px; height: 62px; object-fit: cover; border-radius: 8px; }
.side-list strong { display: block; font-size: .92rem; line-height: 1.35; font-weight: 400; }
.side-list small { color: var(--muted); font-size: .78rem; }
.share { display: flex; gap: 8px; align-items: center; margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--line); flex-wrap: wrap; }

/* ---------- forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-weight: 400; color: var(--ink); margin-bottom: 6px; font-size: .95rem; }
.field label .req { color: var(--red); }
.input, .field input[type=text], .field input[type=email], .field input[type=password], .field input[type=tel], .field input[type=number], .field input[type=file], .field input[type=datetime-local], .field select, .field textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #d5ddeb; border-radius: var(--radius-sm); background: #fff; transition: border-color .2s, box-shadow .2s; font-weight: 300;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue-500); outline: none; box-shadow: 0 0 0 4px rgba(43, 123, 230, .12); }
.field .hint { font-size: .82rem; color: var(--muted); margin-top: 4px; }
.auth-wrap { max-width: 460px; margin: 10px auto 0; }
.auth-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); padding: 30px; }
.auth-card h1 { font-size: 1.6rem; text-align: center; color: var(--navy); }
.auth-card .sub { text-align: center; color: var(--muted); margin-bottom: 20px; }
.auth-card form { display: grid; gap: 14px; }
.auth-alt { text-align: center; margin-top: 16px; color: var(--muted); }

/* ---------- cart / checkout ---------- */
.cart-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 26px; align-items: start; }
.cart-table { width: 100%; border-collapse: collapse; background: #fff; }
.cart-table th { text-align: left; font-weight: 500; color: var(--muted); font-size: .88rem; padding: 10px; border-bottom: 1px solid var(--line); }
.cart-table td { padding: 14px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.cart-prod { display: flex; gap: 14px; align-items: center; }
.cart-prod img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); flex: none; }
.cart-prod a { color: var(--ink); font-weight: 400; }
.cart-prod small { display: block; color: var(--muted); }
.summary { position: sticky; top: 140px; }
.summary dl { display: grid; grid-template-columns: 1fr auto; gap: 10px; margin: 0 0 16px; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; text-align: right; font-weight: 400; color: var(--ink); }
.summary .total { font-size: 1.3rem; font-weight: 600; color: var(--blue-800); }
.summary hr { grid-column: 1 / -1; border: 0; border-top: 1px dashed var(--line); margin: 4px 0; width: 100%; }
.mini-items { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; }
.mini-items li { display: grid; grid-template-columns: 48px 1fr auto; gap: 10px; align-items: center; font-size: .9rem; }
.mini-items img { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; }

/* ---------- payment ---------- */
.bank-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.bank-card { position: relative; overflow: hidden; border-radius: 16px; padding: 22px; color: #fff; background: linear-gradient(135deg, var(--bank, #0b4ea2), color-mix(in srgb, var(--bank, #0b4ea2) 60%, #000)); box-shadow: var(--shadow); min-height: 180px; display: flex; flex-direction: column; }
.bank-card::after { content: ""; position: absolute; right: -40px; top: -40px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255, 255, 255, .1); }
.bank-card .bank-name { font-size: 1.1rem; font-weight: 500; display: flex; gap: 10px; align-items: center; }
.bank-card .acc-no { font-size: 1.6rem; font-weight: 600; letter-spacing: .06em; margin: 18px 0 4px; font-variant-numeric: tabular-nums; }
.bank-card .acc-name { opacity: .9; }
.bank-card .copy { position: absolute; right: 16px; bottom: 16px; z-index: 1; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.steps li { counter-increment: step; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 18px; position: relative; }
.steps li::before { content: counter(step); width: 34px; height: 34px; border-radius: 50%; background: var(--blue-700); color: #fff; display: grid; place-items: center; font-weight: 600; margin-bottom: 10px; }
.steps strong { display: block; color: var(--ink); margin-bottom: 4px; }
.steps span { color: var(--muted); font-size: .92rem; }

.status { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8rem; font-weight: 500; background: var(--surface); color: var(--muted); }
.status-pending { background: #fff4e0; color: #a35d00; }
.status-paid { background: #e8f0ff; color: #1b4fb5; }
.status-confirmed { background: #e6f7f6; color: #0f766e; }
.status-shipped { background: #efe9ff; color: #5a3fc0; }
.status-completed { background: #e7f7ef; color: #0c6b3f; }
.status-cancelled { background: #fdecec; color: #a2242a; }

.account-grid { display: grid; grid-template-columns: 280px 1fr; gap: 24px; align-items: start; }
.account-nav { list-style: none; padding: 8px; margin: 0; }
.account-nav a { display: flex; gap: 10px; padding: 10px 12px; border-radius: 8px; color: var(--ink); }
.account-nav a:hover, .account-nav a.active { background: var(--blue-50); color: var(--blue-800); }
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.table th { color: var(--muted); font-weight: 500; font-size: .86rem; background: var(--surface); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 26px; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; }
.contact-list li { display: flex; gap: 14px; }
.contact-list i { width: 44px; height: 44px; border-radius: 12px; background: var(--blue-50); color: var(--blue-700); display: grid; place-items: center; font-size: 1.2rem; flex: none; }
.contact-list strong { display: block; color: var(--ink); }

/* toast */
.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 20px); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 999px; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; z-index: 200; display: flex; gap: 10px; align-items: center; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast i { color: #3ddc84; }
.toast a { color: #9cc4ff; text-decoration: underline; }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .main-nav ul { overflow-x: auto; justify-content: flex-start; scrollbar-width: none; }
  .main-nav ul::-webkit-scrollbar { display: none; }
  .main-nav a { padding: 8px 12px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .post-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 980px) {
  .header-top { gap: 14px; flex-wrap: wrap; }
  .search { order: 3; flex-basis: 100%; max-width: none; }
  .cat-tiles { grid-template-columns: repeat(7, 150px); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; scrollbar-width: thin; }
  .cat-tile { scroll-snap-align: start; }
  .hero-bg { width: 100%; opacity: .35; -webkit-mask-image: none; mask-image: none; }
  .promo-grid { grid-template-columns: 1fr; }
  .pd, .article, .cart-layout, .account-grid, .contact-grid { grid-template-columns: 1fr; }
  .summary { position: static; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .feature { justify-content: flex-start; }
  .product-grid.cols-4 { grid-template-columns: repeat(3, 1fr); }
  .post-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: grid; place-items: center; }
  .brand img { width: 140px; }
  .header-actions { gap: 16px; }
  .hdr-link span, .hide-sm { display: none !important; }
  .show-sm { display: block; }
  .main-nav { display: none; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; overflow: visible; padding: 8px 0 12px; }
  .main-nav a { width: 100%; border-radius: 10px; padding: 11px 14px; }
  .hero-inner { min-height: 0; padding-top: 30px; }
  .hero-trust { gap: 8px 18px; }
  .product-grid, .product-grid.cols-4 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .post-grid, .post-grid.cols-3 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .promo-copy { max-width: 100%; padding: 20px; }
  .promo-img { opacity: .4; width: 100% !important; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom .container { justify-content: center; text-align: center; }
  .form-grid { grid-template-columns: 1fr; }
  .library-banner { grid-template-columns: 1fr; text-align: center; }
  .library-banner img { max-width: 220px; margin: 0 auto; }
  .cart-table thead { display: none; }
  .cart-table tr { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .cart-table td { border: 0; padding: 0; }
  .cart-table td:first-child { grid-column: 1 / -1; }
  .section-head h2 { font-size: 1.3rem; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .post-grid, .post-grid.cols-3 { grid-template-columns: 1fr; }
  .features-grid, .steps { grid-template-columns: 1fr; }
  .pc-price { font-size: 1rem; }
  .pc-body { padding: 8px 10px 10px; }
  .bank-card .acc-no { font-size: 1.35rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}