/* Premium skin for sieuthimaybodam.net (child theme o-du) - added 2026-10-31.
   Pure visual layer: remove the enqueue in functions.php to go back to the old look. */
:root {
  --navy: #0b1b33;
  --navy-2: #12294d;
  --red: #d62828;
  --red-dark: #b81f1f;
  --gold: #c8a24a;
  --ink: #1c2433;
  --muted: #667085;
  --line: #e6eaf0;
  --soft: #f5f7fb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(11, 27, 51, .06), 0 6px 18px rgba(11, 27, 51, .06);
  --shadow-hover: 0 2px 4px rgba(11, 27, 51, .08), 0 14px 32px rgba(11, 27, 51, .14);
}

body, button, input, select, textarea, .nav > li > a, h1, h2, h3, h4, h5, h6 {
  font-family: 'Be Vietnam Pro', Roboto, -apple-system, 'Segoe UI', sans-serif;
}
body { color: var(--ink); background: var(--soft); -webkit-font-smoothing: antialiased; }
#main, #content { background: transparent; }
a { transition: color .15s ease; }

/* ---------- header ---------- */
.header-main { background: #fff !important; box-shadow: 0 1px 0 var(--line); }
.header-bottom { background: linear-gradient(90deg, var(--navy) 0%, var(--navy-2) 100%) !important; }
.header-bottom .nav > li > a, .header-bottom .nav-dark .nav > li > a { color: #e8edf5 !important; font-weight: 500; font-size: 13px; }
.header-bottom .nav > li > a:hover { color: #fff !important; }
.header-bottom .html_topbar_left, .header-bottom .header-block, .hotline-wrapper { color: #fff; font-weight: 600; }
.header-bottom .icon-phone { color: var(--gold); }
.header-bottom .search-form input, .header-bottom .searchform input[type=search] {
  background: rgba(255,255,255,.96); border: 0; border-radius: 8px; height: 34px; box-shadow: none; font-size: 13px;
}
.header-main .nav > li > a { color: var(--ink); font-weight: 600; font-size: 12px; letter-spacing: .01em; }
.header-main .nav > li > a:hover, .header-main .nav > li.active > a { color: var(--red); }
.stuck .header-main { box-shadow: 0 6px 20px rgba(11, 27, 51, .10); }
.nav-dropdown { border-radius: 10px; box-shadow: var(--shadow-hover); border: 0; overflow: hidden; }
.nav-dropdown li a { font-size: 13px; }
.cart-icon strong { border-radius: 8px; border-color: var(--navy); color: var(--navy); }

/* ---------- section headings ---------- */
.widget_heading { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; border: 0 !important; margin: 0 0 18px; padding: 0; background: none; }
.widget_heading .pull-left, .widget_heading .pull-right { float: none !important; }
.widget_heading .left-title {
  position: relative; margin: 0; padding: 0 0 0 14px; background: none !important; border: 0 !important;
  color: var(--navy) !important; font-size: 21px; line-height: 1.25; font-weight: 700; text-transform: none; letter-spacing: -.005em; width: auto;
}
.widget_heading .left-title:before { content: ''; position: absolute; left: 0; top: 3px; bottom: 3px; width: 4px; border-radius: 3px; background: var(--red); }
.widget_heading .left-title:after { display: none !important; }
.widget_heading .left-title a { color: inherit !important; background: none !important; padding: 0 !important; border: 0 !important; text-transform: none !important; display: inline; }
.widget_heading .left-title, .widget_heading .left-title a, .widget_heading .left-title span { text-transform: none !important; }
.odu-block, section.section.list_product, section.section.video_post, section.section.project_list { width: calc(100% - 24px); max-width: 1226px; }
.odu-block { padding: 0; }
.widget_heading .right-link { padding: 0; font-size: 13px; font-weight: 500; }
.widget_heading .right-link a { color: var(--muted); margin-left: 14px; display: inline-block; }
.widget_heading .right-link a:hover { color: var(--red); }
section.section.list_product, section.section.video_post, section.section.project_list {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin: 0 auto 24px; padding: 22px 8px 14px; max-width: 1250px;
}
section.section.list_product .section-content, section.section.video_post .section-content { padding: 0; }
section.section.adv { margin-bottom: 24px; }
section.section.adv img, .widget_adv img { border-radius: var(--radius); }

/* ---------- product cards ---------- */
.list_product_content .col, .products .product-small.col { padding-bottom: 16px; }
.product-small .col-inner {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease; height: 100%;
}
.product-small .col-inner:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: transparent; }
.product-small .box-image { background: var(--soft); }
.product-small .box-image img { mix-blend-mode: multiply; object-fit: contain; }
.product-small .box-text { padding: 14px 12px 16px; text-align: center; }
.product-small .name.product-title, .product-small .product-title { margin: 0 0 6px; }
.product-small .name.product-title a, .product-small .product-title a {
  color: var(--navy); font-weight: 600; font-size: 14px; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em;
}
.product-small .product-title a:hover { color: var(--red); }
.price .amount, .price ins .amount, .product-page-price .amount { color: var(--red); font-weight: 700; }
.product-small .price { font-size: 15px; }
.product-small .price del { opacity: .5; font-weight: 400; }
.product-small .price a, .price a { color: var(--red); font-weight: 600; }
.badge-inner, .onsale { background: var(--red) !important; border-radius: 6px; font-weight: 600; }
.star-rating span:before, .star-rating:before { color: var(--gold) !important; }
.product-span-w-2 { border-radius: var(--radius); overflow: hidden; background-size: cover; background-position: center; }

/* ---------- buttons ---------- */
.button, button, input[type=submit], .button.alt, .single_add_to_cart_button, .checkout-button {
  border-radius: 10px; font-weight: 600; letter-spacing: .01em; text-transform: none; transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.button.primary, .single_add_to_cart_button, .checkout-button, .button.alt { background: var(--red) !important; border-color: var(--red) !important; color: #fff !important; box-shadow: 0 6px 16px rgba(214, 40, 40, .28); }
.button.primary:hover, .single_add_to_cart_button:hover, .checkout-button:hover { background: var(--red-dark) !important; transform: translateY(-1px); }

/* ---------- homepage hero ---------- */
.odu-hero { background: radial-gradient(120% 140% at 85% 0%, #1c3b6e 0%, var(--navy) 55%, #07111f 100%); color: #fff; padding: 40px 0 66px; margin-bottom: 26px; position: relative; overflow: hidden; }
.odu-hero:before { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, rgba(255,255,255,.025) 0 2px, transparent 2px 14px); pointer-events: none; }
.odu-wrap { max-width: 1250px; margin: 0 auto; padding: 0 20px; position: relative; }
.odu-hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.odu-eyebrow { display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--gold); margin-bottom: 14px; }
.odu-hero h1 { color: #fff; font-size: 40px; line-height: 1.18; font-weight: 700; margin: 0 0 16px; letter-spacing: -.015em; }
.odu-hero h1 em { font-style: normal; color: var(--gold); }
.odu-lead { color: #c9d4e6; font-size: 16px; line-height: 1.65; margin: 0 0 24px; max-width: 560px; }
.odu-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.odu-btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 12px; font-weight: 700; font-size: 15px; line-height: 1; text-decoration: none !important; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.odu-btn:hover { transform: translateY(-2px); }
.odu-btn-call { background: var(--red); color: #fff !important; box-shadow: 0 10px 24px rgba(214, 40, 40, .38); }
.odu-btn-call:hover { background: #e23535; }
.odu-btn-zalo { background: #0068ff; color: #fff !important; box-shadow: 0 10px 24px rgba(0, 104, 255, .30); }
.odu-btn-ghost { background: rgba(255,255,255,.08); color: #fff !important; border: 1px solid rgba(255,255,255,.28); }
.odu-btn-ghost:hover { background: rgba(255,255,255,.16); }
.odu-points { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; }
.odu-points li { margin: 0; padding-left: 26px; position: relative; font-size: 14px; color: #dfe7f3; line-height: 1.45; }
.odu-points li:before { content: ''; position: absolute; left: 0; top: 2px; width: 17px; height: 17px; border-radius: 50%; background: var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.6 2.6L12 5.6' fill='none' stroke='%230b1b33' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat; }
.odu-hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.odu-card { background: #fff; border-radius: 14px; padding: 12px; text-decoration: none !important; color: var(--ink); box-shadow: 0 14px 34px rgba(0, 0, 0, .28); transition: transform .2s ease; display: block; }
.odu-card:hover { transform: translateY(-4px); }
.odu-card .odu-card-img { background: var(--soft); border-radius: 10px; aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.odu-card img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; display: block; }
.odu-card .odu-card-name { display: block; margin-top: 10px; font-size: 13.5px; font-weight: 600; line-height: 1.4; color: var(--navy); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 2.8em; }
.odu-card .odu-card-price { display: block; margin-top: 4px; font-weight: 700; color: var(--red); font-size: 15px; }
.odu-card .odu-card-price .amount, .odu-card .odu-card-price del { font-size: inherit; }

/* ---------- trust bar ---------- */
.odu-trust { max-width: 1250px; margin: -44px auto 26px; padding: 0 20px; position: relative; z-index: 2; }
.odu-trust-inner { background: #fff; border-radius: 16px; box-shadow: var(--shadow-hover); display: grid; grid-template-columns: repeat(4, 1fr); }
.odu-trust-item { padding: 20px 22px; border-right: 1px solid var(--line); }
.odu-trust-item:last-child { border-right: 0; }
.odu-trust-item strong { display: block; color: var(--navy); font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.odu-trust-item span { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; }

/* ---------- use-case tiles + brands ---------- */
.odu-block { max-width: 1250px; margin: 0 auto 26px; padding: 0 20px; }
.odu-block-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px 22px 22px; }
.odu-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.odu-tile { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 22px; border-radius: 12px; background: var(--soft); border: 1px solid var(--line); text-decoration: none !important; transition: all .2s ease; }
.odu-tile b { display: block; color: var(--navy); font-size: 16px; font-weight: 700; }
.odu-tile small { display: block; color: var(--muted); font-size: 12.5px; margin-top: 3px; }
.odu-tile i { font-style: normal; width: 34px; height: 34px; border-radius: 50%; background: #fff; color: var(--red); display: flex; align-items: center; justify-content: center; font-weight: 700; flex: none; box-shadow: var(--shadow); transition: all .2s ease; }
.odu-tile:hover { background: var(--navy); border-color: var(--navy); transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.odu-tile:hover b { color: #fff; }
.odu-tile:hover small { color: #aebbd2; }
.odu-tile:hover i { background: var(--red); color: #fff; }
.odu-brands { display: flex; flex-wrap: wrap; gap: 10px; }
.odu-brands a { padding: 10px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--navy); font-weight: 600; font-size: 14px; text-decoration: none !important; transition: all .15s ease; }
.odu-brands a:hover { background: var(--navy); border-color: var(--navy); color: #fff; }

/* ---------- homepage intro text ---------- */
.odu-about { position: relative; max-height: 230px; overflow: hidden; font-size: 15px; line-height: 1.75; color: #344054; }
.odu-about.is-open { max-height: none; }
.odu-about:after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 90px; background: linear-gradient(rgba(255,255,255,0), #fff); pointer-events: none; }
.odu-about.is-open:after { display: none; }
.odu-about h2 { font-size: 20px !important; color: var(--navy); margin: 0 0 10px; }
.odu-about h3 { font-size: 16px !important; color: var(--navy); margin: 14px 0 4px; }
.odu-about img { border-radius: 10px; max-width: 100%; height: auto; }
.odu-about-toggle { margin-top: 12px; background: none; border: 1px solid var(--line); color: var(--navy); padding: 9px 20px; border-radius: 999px; font-weight: 600; cursor: pointer; }
.odu-about-toggle:hover { background: var(--navy); color: #fff; }

/* ---------- product page ---------- */
.product-main { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 8px; padding: 24px 8px; }
.product-info h1.product-title, .product-info .product-title { color: var(--navy); font-weight: 700; font-size: 26px; line-height: 1.3; letter-spacing: -.01em; }
.product-page-price { font-size: 26px; }
.product-page-price > span:first-child { color: var(--muted); font-weight: 500; font-size: 15px; }
.product-info .product-short-description { color: #475467; line-height: 1.7; font-size: 14.5px; }
.product-info .vat { background: #fff8e6; border: 1px solid #f3dfa5; border-radius: 10px; padding: 10px 14px; font-size: 12.5px; line-height: 1.55; color: #7a5b00; font-style: normal; margin: 14px 0; }
.odu-buybox { margin: 18px 0 4px; }
.odu-buybox .odu-cta { margin-bottom: 14px; }
.odu-buybox .odu-btn { padding: 13px 20px; font-size: 14.5px; }
.odu-buybox .odu-btn-ghost { background: #fff; color: var(--navy) !important; border: 1px solid var(--line); }
.odu-buybox .odu-btn-ghost:hover { background: var(--soft); }
.odu-assure { list-style: none; margin: 0 0 14px; padding: 14px 16px; background: var(--soft); border-radius: 12px; display: grid; gap: 8px; }
.odu-assure li { margin: 0; padding-left: 24px; position: relative; font-size: 13.5px; color: #344054; line-height: 1.45; }
.odu-assure li:before { content: ''; position: absolute; left: 0; top: 1px; width: 16px; height: 16px; border-radius: 50%; background: var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.6 2.6L12 5.6' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/11px no-repeat; }
.odu-staff { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.odu-staff li { margin: 0; }
.odu-staff a { display: inline-flex; gap: 6px; align-items: center; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--navy); font-size: 13px; font-weight: 600; text-decoration: none !important; }
.odu-staff a b { color: var(--red); font-weight: 700; }
.woocommerce-tabs .tabs li a { font-weight: 600; }
.product-footer .woocommerce-tabs { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 22px 22px; }
.product-footer .entry-content, .woocommerce-Tabs-panel { font-size: 15px; line-height: 1.75; color: #344054; }
.woocommerce-Tabs-panel img { border-radius: 10px; max-width: 100%; height: auto; }
.related-products-wrapper .product-section-title, .product-section-title { color: var(--navy); font-weight: 700; }
.breadcrumbs { font-size: 12.5px; color: var(--muted); }
.page-title, .shop-page-title { background: transparent; }
.sidebar-inner .widget-title, .widget-title { color: var(--navy); font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; border-left: 4px solid var(--red); padding-left: 10px; }
.product-categories li a { color: var(--ink); font-size: 14px; }
.product-categories li a:hover { color: var(--red); }

/* ---------- footer ---------- */
.footer-wrapper, .footer-1, .footer-2 { background: var(--navy) !important; color: #b9c5d9; }
.footer-wrapper a, .footer-1 a { color: #dbe4f2; }
.footer-wrapper a:hover { color: #fff; }
.footer-wrapper .widget-title, .footer-wrapper h3, .footer-wrapper .widget-title span { color: #fff; border-left-color: var(--gold); }
.absolute-footer { background: #07111f !important; color: #8a9bb5; }

/* ---------- floating contact (desktop) + sticky call bar (mobile) ---------- */
.odu-mobile-cta { display: none; }
@media (max-width: 849px) {
  .website_contact, #easy-callnow, .easy-callnow, .callnow { display: none !important; }
  .odu-mobile-cta { display: grid; grid-template-columns: 1fr 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 9999; background: #fff; box-shadow: 0 -6px 22px rgba(11, 27, 51, .18); padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); gap: 8px; }
  .odu-mobile-cta a { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 13px 8px; border-radius: 12px; font-weight: 700; font-size: 15px; text-decoration: none !important; color: #fff !important; }
  .odu-mobile-cta .odu-call { background: var(--red); }
  .odu-mobile-cta .odu-zalo { background: #0068ff; }
  body { padding-bottom: 68px; }
}

/* ---------- responsive ---------- */
@media (max-width: 949px) {
  .header-main { background: #fff !important; height: auto; }
  #logo, .flex-left { background: transparent !important; }
  .odu-hero { padding: 34px 0 52px; }
  .odu-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .odu-hero h1 { font-size: 29px; }
  .odu-lead { font-size: 15px; }
  .odu-trust { margin-top: -34px; }
  .odu-trust-inner { grid-template-columns: 1fr 1fr; }
  .odu-trust-item:nth-child(2) { border-right: 0; }
  .odu-trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .odu-tiles { grid-template-columns: 1fr 1fr; }
  section.section.list_product, section.section.video_post, section.section.project_list { margin-left: 10px; margin-right: 10px; border-radius: 12px; }
}
@media (max-width: 549px) {
  .odu-points { grid-template-columns: 1fr; }
  .odu-cta .odu-btn { flex: 1 1 100%; justify-content: center; }
  .odu-hero-cards { gap: 10px; }
  .odu-hero-cards .odu-card:nth-child(n+3) { display: none; }
  .odu-card .odu-card-name { font-size: 12.5px; }
  .odu-tiles { grid-template-columns: 1fr; }
  .odu-trust-item { padding: 16px 14px; }
  .widget_heading .left-title { font-size: 18px; }
  .product-info h1.product-title { font-size: 22px; }
}