/*
Theme Name: Bình Đựng Xà Bông
Theme URI: https://binhdungxabong.com/
Author: binhdungxabong.com
Description: Theme viết tay cho binhdungxabong.com — bình đựng xà bông gắn tường Roto và xà bông, gel rửa tay nạp bình. Dữ liệu gom trong inc/data.php, schema JSON-LD, form báo giá lưu đơn, không page builder, không jQuery. Phong cách học từ mihaohao.vn (header một màu phủ kín, banner trượt tràn màn hình, tiêu đề khối dạng viên thuốc, tab sản phẩm + sản phẩm nổi bật + dải trượt, thẻ tin tức xám bo 20px), tông xanh nước biển + xanh da trời.
Version: 1.0.0
Requires at least: 6.5
Tested up to: 6.9
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: binh-dung-xa-bong
*/

/* ==========================================================================
   1. Tokens — đổi giao diện chủ yếu ở đây
   ========================================================================== */
:root {
	--c-navy: #0a3d73;           /* xanh nước biển đậm: dải đậm, đáy trang, đầu bảng */
	--c-primary: #0b6bcb;        /* xanh nước biển: nút chính, link, tiêu đề nhấn */
	--c-primary-dark: #0957a8;
	--c-sky: #29a9f0;            /* xanh da trời: viên thuốc, viền khung, tab */
	--c-sky-2: #8fd3f7;          /* tab chưa chọn, bọt trang trí */
	--c-sky-dark: #0a6fa6;       /* chữ xanh da trời đủ tương phản trên nền trắng */
	--c-sky-soft: #e8f5fe;       /* nền dải nhạt */
	--c-gray: #f4f6f9;           /* nền thẻ (như thẻ tin tức của mẫu) */
	--c-line: #dde7f0;
	--c-head: #0a2f55;
	--c-text: #1f2937;
	--c-muted: #5b6472;
	--c-red: #e53935;

	--font: "Nunito Sans", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
	--fs-h1: clamp(1.8rem, 1.2rem + 2.4vw, 3rem);
	--fs-h2: clamp(1.25rem, 1.05rem + .7vw, 1.6rem);
	--fs-h3: 1.08rem;

	--r-card: 20px;              /* bo góc thẻ, khung — như mẫu */
	--r-btn: 8px;
	--r-pill: 999px;
	--shadow: 0 4px 18px rgba(10, 47, 85, .07);
	--shadow-hover: 0 14px 30px rgba(10, 47, 85, .15);
	--container: 1140px;
	--gutter: 16px;
	--header-h: 68px;

	--grad-sky: linear-gradient(180deg, #45bdf7 0%, #1f9be6 100%);
	--grad-header: linear-gradient(90deg, #0b6bcb 0%, #1a8fe0 55%, #29a9f0 100%);
	--grad-hero: linear-gradient(135deg, #0a4f9a 0%, #0b6bcb 45%, #2aa8ef 100%);
	--grad-navy: linear-gradient(150deg, #0d4f92 0%, #0a3d73 60%, #08325f 100%);
}

/* ==========================================================================
   2. Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body { margin: 0; font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--c-text); background: #fff; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-primary); text-decoration: none; }
a:hover { color: var(--c-primary-dark); }
h1, h2, h3, h4 { color: var(--c-head); line-height: 1.25; margin: 0 0 .6em; font-weight: 800; }
h1 { font-size: var(--fs-h1); text-wrap: balance; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 1em; }
ul { padding-left: 1.2em; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--c-sky); outline-offset: 2px; }
.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.skip-link:focus { position: fixed !important; top: 8px; left: 8px; width: auto; height: auto; clip: auto; z-index: 999; background: #fff; padding: 10px 16px; border-radius: 6px; }
.icon { width: 1.25em; height: 1.25em; flex: none; }
.icon--sm { width: 1em; height: 1em; }
.center { text-align: center; margin-top: 1.6rem; margin-bottom: 0; }
.grid { display: grid; gap: 20px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* ==========================================================================
   3. Nút
   ========================================================================== */
.btn {
	display: inline-flex; align-items: center; justify-content: center; gap: .5em;
	padding: .72em 1.4em; border-radius: var(--r-btn); border: 2px solid transparent;
	font-weight: 800; font-size: .98rem; line-height: 1.2; cursor: pointer; text-align: center;
	transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; box-shadow: 0 8px 18px rgba(11, 107, 203, .3); }
.btn--outline { background: #fff; color: var(--c-primary); border-color: var(--c-primary); }
.btn--outline:hover { background: var(--c-primary); color: #fff; }
.btn--ghost { background: transparent; color: var(--c-primary); border-color: currentColor; }
.btn--white { background: #fff; color: var(--c-primary); }
.btn--white:hover { color: var(--c-navy); box-shadow: 0 10px 22px rgba(0, 25, 60, .25); }
.btn--glass { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .7); }
.btn--glass:hover { background: rgba(255, 255, 255, .22); color: #fff; }
.btn--lg { padding: .92em 1.75em; font-size: 1.04rem; }
.btn--sm { padding: .5em 1.15em; font-size: .9rem; }
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-group--center { justify-content: center; }

/* ==========================================================================
   4. Header — một thanh màu phủ kín như mẫu
   ========================================================================== */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--grad-header); color: #fff; transition: box-shadow .2s; }
.site-header.is-scrolled { box-shadow: 0 6px 20px rgba(6, 40, 80, .25); }
.site-header__inner { display: flex; align-items: center; gap: 18px; min-height: var(--header-h); }

.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; flex: none; }
.site-logo:hover { color: #fff; }
.site-logo__mark { width: 44px; height: 44px; filter: drop-shadow(0 3px 6px rgba(0, 30, 70, .25)); }
.site-logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.site-logo__name { font-weight: 900; font-size: 1.2rem; letter-spacing: -.01em; text-transform: uppercase; }
.site-logo__tag { font-size: .7rem; font-weight: 700; letter-spacing: .12em; opacity: .85; margin-top: 2px; }
.custom-logo { max-height: 52px; width: auto; }

.primary-nav { flex: 1; display: flex; justify-content: center; }
.primary-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 2px; }
.primary-nav li { position: relative; }
.primary-nav > ul > li > a {
	display: inline-flex; align-items: center; gap: 4px; padding: 10px 12px;
	font-weight: 800; font-size: 1rem; text-transform: uppercase; color: #fff; border-radius: 8px; white-space: nowrap;
}
.primary-nav > ul > li:first-child > a { font-size: 0; padding: 10px; }
.primary-nav > ul > li:first-child > a::before {
	content: ""; width: 20px; height: 20px; background: currentColor;
	-webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 2 11h3v9h5v-6h4v6h5v-9h3z'/%3E%3C/svg%3E") center / contain no-repeat;
	        mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 3 2 11h3v9h5v-6h4v6h5v-9h3z'/%3E%3C/svg%3E") center / contain no-repeat;
}
.primary-nav > ul > li > a:hover,
.primary-nav > ul > li.current-menu-item > a,
.primary-nav > ul > li.current-menu-ancestor > a,
.primary-nav > ul > li.current-page-ancestor > a { color: #fff; background: rgba(255, 255, 255, .16); }
.primary-nav .menu-item-has-children > a::after {
	content: ""; width: 7px; height: 7px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
	transform: rotate(45deg) translateY(-2px); margin-left: 4px; opacity: .8;
}
.primary-nav .sub-menu {
	list-style: none; margin: 0; padding: 8px; position: absolute; left: 0; top: 100%; min-width: 270px;
	background: #fff; border-radius: 14px; box-shadow: 0 18px 40px rgba(10, 47, 85, .18);
	opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s, transform .18s, visibility .18s; z-index: 60;
}
.primary-nav li:hover > .sub-menu,
.primary-nav li:focus-within > .sub-menu { opacity: 1; visibility: visible; transform: none; }
.primary-nav .sub-menu a { display: block; padding: 9px 12px; border-radius: 8px; color: var(--c-text); font-weight: 700; font-size: .95rem; }
.primary-nav .sub-menu a:hover { background: var(--c-sky-soft); color: var(--c-primary); }
.primary-nav .primary-nav__cta { display: none; }

.header-actions { display: flex; align-items: center; gap: 8px; flex: none; }
.header-zalo { display: inline-grid; place-items: center; height: 40px; padding: 0 14px; border-radius: var(--r-pill); background: rgba(255, 255, 255, .16); border: 1.5px solid rgba(255, 255, 255, .6); color: #fff; font-weight: 800; font-size: .9rem; }
.header-zalo:hover { background: #fff; color: var(--c-primary); }
.header-hotline { display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 16px 0 12px; border-radius: var(--r-pill); background: #fff; color: var(--c-primary); font-weight: 800; box-shadow: 0 6px 16px rgba(0, 30, 70, .2); }
.header-hotline:hover { color: var(--c-navy); transform: translateY(-1px); }
.header-hotline .icon { width: 20px; height: 20px; }
.header-hotline span { display: flex; flex-direction: column; line-height: 1.05; }
.header-hotline small { font-size: .66rem; font-weight: 800; text-transform: uppercase; color: var(--c-muted); }
.header-hotline strong { font-size: 1.02rem; }
.header-call, .nav-toggle { display: none; }

/* ==========================================================================
   5. Khối + tiêu đề viên thuốc (dấu hiệu nhận diện của mẫu)
   ========================================================================== */
.section { padding: 44px 0; }
.section--tight { padding: 26px 0; }
.section--tint { background: linear-gradient(180deg, var(--c-sky-soft) 0%, #f6fbff 100%); }
.pill-head { text-align: center; margin: 0 auto 28px; max-width: 760px; }
.pill {
	display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 10px 34px;
	background: var(--grad-sky); color: #fff; border-radius: 12px;
	font-size: clamp(1.15rem, .95rem + .8vw, 1.6rem); font-weight: 900; text-transform: uppercase; letter-spacing: .02em; line-height: 1.2;
	box-shadow: 0 8px 18px rgba(41, 169, 240, .3), inset 0 -3px 0 rgba(10, 61, 115, .12);
}
.pill-head__lead { color: var(--c-muted); margin: 14px 0 0; }
.frame { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-card); padding: 28px; box-shadow: var(--shadow); }
.frame--plain { box-shadow: none; }
.frame .pill-head { margin-bottom: 22px; }
.frame__lead { text-align: center; color: var(--c-muted); max-width: 760px; margin: -8px auto 22px; }
.frame__lead a { font-weight: 800; white-space: nowrap; }
.section__head { margin-bottom: 26px; }
.section__head--center { text-align: center; max-width: 760px; margin-left: auto; margin-right: auto; }
.section__eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--c-sky-dark); margin-bottom: 8px; }
.section__eyebrow--light { color: var(--c-sky-2); }
.section__lead { color: var(--c-muted); }

/* ==========================================================================
   6. Banner trượt
   ========================================================================== */
.hero { position: relative; overflow: hidden; color: #fff; background: var(--grad-hero); }
.hero__bubble { position: absolute; border-radius: 50%; pointer-events: none; background: radial-gradient(circle at 32% 30%, rgba(255, 255, 255, .55), rgba(255, 255, 255, .08) 45%, rgba(255, 255, 255, .02) 70%); border: 1px solid rgba(255, 255, 255, .28); }
.hero__bubble--a { width: 360px; height: 360px; right: -90px; top: -120px; }
.hero__bubble--b { width: 150px; height: 150px; left: 6%; bottom: 40px; }
.hero__bubble--c { width: 70px; height: 70px; left: 44%; top: 46px; }
.hero__track { display: grid; }
.hero__slide { grid-area: 1 / 1; opacity: 0; visibility: hidden; transition: opacity .6s ease, visibility .6s; }
.hero__slide.is-active { opacity: 1; visibility: visible; }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 36px; align-items: center; min-height: 520px; padding-top: 48px; padding-bottom: 86px; }
.hero__eyebrow { display: inline-block; padding: 6px 16px; border-radius: var(--r-pill); background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .4); font-size: .86rem; font-weight: 800; margin-bottom: 18px; }
.hero__title { color: #fff; font-size: var(--fs-h1); font-weight: 900; line-height: 1.12; margin: 0 0 16px; letter-spacing: -.01em; text-wrap: balance; text-shadow: 0 2px 14px rgba(0, 30, 70, .2); }
.hero__title em { display: block; font-style: normal; color: #bfe9ff; font-size: .62em; font-weight: 800; margin-top: 8px; }
.hero__lead { color: #e2f2fd; font-size: 1.08rem; max-width: 560px; margin-bottom: 26px; }
.hero__media { position: relative; display: flex; align-items: flex-end; justify-content: center; height: 400px; }
.hero__media::before { content: ""; position: absolute; left: 50%; bottom: 0; width: 78%; aspect-ratio: 1; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(circle, rgba(255, 255, 255, .34) 0%, rgba(255, 255, 255, .08) 55%, transparent 70%); }
.hero__img { position: relative; max-height: 100%; width: auto; object-fit: contain; filter: drop-shadow(0 22px 26px rgba(0, 25, 60, .38)); }
.hero__media--1 .hero__img { height: 380px; }
.hero__media--2 .hero__img { height: 330px; }
.hero__media--2 .hero__img--2 { height: 290px; margin-left: -28px; }
.hero__media--3 .hero__img--1 { height: 330px; z-index: 2; }
.hero__media--3 .hero__img--2 { height: 360px; z-index: 3; margin: 0 -10px; }
.hero__media--3 .hero__img--3 { height: 250px; z-index: 1; }
.hero__arrow {
	position: absolute; top: 46%; z-index: 4; width: 52px; height: 52px; border-radius: 50%; border: 0; transform: translateY(-50%);
	background: rgba(255, 255, 255, .7); color: var(--c-primary); display: grid; place-items: center; cursor: pointer; box-shadow: 0 6px 18px rgba(0, 25, 60, .2);
}
.hero__arrow:hover { background: #fff; }
.hero__arrow .icon { width: 26px; height: 26px; }
.hero__arrow--prev { left: 24px; }
.hero__arrow--next { right: 24px; }
.hero__dots { position: absolute; left: 0; right: 0; bottom: 58px; z-index: 4; display: flex; justify-content: center; gap: 8px; }
.hero__dots button { width: 10px; height: 10px; padding: 0; border-radius: var(--r-pill); border: 0; background: rgba(255, 255, 255, .5); cursor: pointer; transition: width .25s, background .25s; }
.hero__dots button.is-active { width: 30px; background: #fff; }
.hero__wave { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 48px; z-index: 3; }

/* ==========================================================================
   7. Khối nổi bật (vị trí khung video của mẫu)
   ========================================================================== */
.feature { padding-top: 34px; }
.feature__main { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; max-width: 1040px; margin: 0 auto; }
.feature__frame { position: relative; margin: 34px 0 0; padding: 10px; border: 6px solid var(--c-sky); border-radius: 26px; background: #fff; box-shadow: var(--shadow); }
.feature__frame img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; border-radius: 16px; }
.feature__pump { position: absolute; left: 50%; top: -40px; width: 110px; transform: translateX(-50%); color: var(--c-sky); }
.feature__title { color: var(--c-primary); text-transform: uppercase; font-weight: 900; font-size: clamp(1.25rem, 1.05rem + .8vw, 1.6rem); }
.feature__body p { color: var(--c-muted); font-size: 1.04rem; text-align: justify; text-align-last: left; }
.feature__strip { list-style: none; margin: 34px auto 0; padding: 22px 0; max-width: 1040px; border-top: 4px solid var(--c-sky); border-bottom: 4px solid var(--c-sky); display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature__strip a, .feature__strip li > span { position: relative; display: block; border-radius: 18px; overflow: hidden; border: 3px solid var(--c-sky-2); background: #fff; }
.feature__strip img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .35s; }
.feature__strip a:hover img { transform: scale(1.05); }
.feature__cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 14px 10px; background: linear-gradient(180deg, transparent, rgba(6, 40, 80, .82)); color: #fff; font-weight: 800; font-size: .95rem; }

/* ==========================================================================
   8. Khối sản phẩm: tab + nổi bật + dải trượt (như mẫu)
   ========================================================================== */
.showcase__tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 26px; }
.showcase__tab { min-width: 130px; padding: 9px 24px; border: 0; border-radius: var(--r-pill); background: var(--c-sky-2); color: #fff; font-weight: 900; text-transform: uppercase; font-size: .95rem; cursor: pointer; box-shadow: inset 0 -3px 0 rgba(10, 61, 115, .12); transition: background .2s, transform .2s; }
.showcase__tab:hover { background: var(--c-sky); }
.showcase__tab.is-active { background: var(--c-primary); }
.showcase__item { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: center; padding: 10px 0 26px; }
.showcase.is-ready .showcase__item { display: none; }
.showcase.is-ready .showcase__item.is-active { display: grid; animation: bdx-fade .45s ease; }
@keyframes bdx-fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.showcase__code { font-size: .8rem; font-weight: 800; color: var(--c-sky-dark); text-transform: uppercase; letter-spacing: .06em; }
.showcase__name { margin: 4px 0 12px; font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2.05rem); font-weight: 900; line-height: 1.18; text-transform: uppercase; }
.showcase__name a { color: var(--c-primary); }
.showcase__name a:hover { color: var(--c-navy); }
.showcase__text > p { color: var(--c-muted); text-align: justify; text-align-last: left; }
.showcase__specs { list-style: none; padding: 0; margin: 0 0 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.showcase__specs li { padding: 8px 12px; border-radius: 10px; background: var(--c-gray); font-weight: 700; color: var(--c-head); font-size: .92rem; }
.showcase__specs span { display: block; font-size: .74rem; font-weight: 700; text-transform: uppercase; color: var(--c-muted); }
.showcase__media { position: relative; display: grid; place-items: center; min-height: 400px; }
.showcase__media::before { content: ""; position: absolute; width: 82%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, var(--c-sky-soft) 0%, #d4ecfc 60%, transparent 71%); }
.showcase__media img { position: relative; max-height: 400px; width: auto; object-fit: contain; filter: drop-shadow(0 20px 24px rgba(10, 47, 85, .22)); transition: transform .35s; }
.showcase__media:hover img { transform: translateY(-4px); }
.showcase__thumbs .slider__track { grid-auto-columns: calc((100% - 4 * 16px) / 5); gap: 16px; }
.showcase__thumb { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px; border: 2px solid var(--c-line); border-radius: 16px; background: #fff; cursor: pointer; font-weight: 800; font-size: .88rem; color: var(--c-head); transition: border-color .2s, box-shadow .2s; }
.showcase__thumb img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.showcase__thumb:hover, .showcase__thumb.is-active { border-color: var(--c-sky); box-shadow: 0 8px 18px rgba(41, 169, 240, .2); }
.showcase__thumb.is-active { color: var(--c-primary); }

/* Dải trượt dùng chung (mũi tên tròn như mẫu) */
.slider { position: relative; }
.slider__track {
	display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 2 * 20px) / 3); gap: 20px;
	overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 4px 2px 12px; scroll-behavior: smooth;
}
.slider__track::-webkit-scrollbar { display: none; }
.slider__track > * { scroll-snap-align: start; }
.slider__btn {
	position: absolute; top: 42%; z-index: 3; width: 42px; height: 42px; border-radius: 50%; border: 0; transform: translateY(-50%);
	background: #e3e8ee; color: #fff; display: grid; place-items: center; cursor: pointer; transition: background .2s;
}
.slider__btn .icon { width: 24px; height: 24px; }
.slider__btn:hover { background: var(--c-sky); }
.slider__btn--prev { left: -56px; }
.slider__btn--next { right: -56px; }

/* ==========================================================================
   9. Thẻ sản phẩm + lưới
   ========================================================================== */
.p-grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.p-grid--4 { grid-template-columns: repeat(4, 1fr); }
.p-grid--2 { grid-template-columns: repeat(2, 1fr); }
.p-card { position: relative; display: flex; flex-direction: column; background: var(--c-gray); border-radius: var(--r-card); padding: 12px; transition: box-shadow .2s, transform .2s; }
.p-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.p-card__media { position: relative; display: block; background: #fff; border-radius: 14px; overflow: hidden; }
.p-card__media img { width: 100%; aspect-ratio: 1; object-fit: contain; transition: transform .35s; }
.p-card:hover .p-card__media img { transform: scale(1.04); }
.p-card__body { display: flex; flex-direction: column; flex: 1; padding: 12px 6px 4px; }
.p-card__code { font-size: .76rem; font-weight: 800; color: var(--c-sky-dark); text-transform: uppercase; letter-spacing: .03em; }
.p-card__title { font-size: 1rem; font-weight: 800; line-height: 1.35; margin: 4px 0 6px; min-height: 2.7em; }
.p-card__title a { color: var(--c-head); }
.p-card__title a:hover { color: var(--c-primary); }
.p-card__specs { list-style: none; padding: 0; margin: 0 0 10px; font-size: .86rem; color: var(--c-muted); }
.p-card__quote { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 800; color: var(--c-primary); font-size: .95rem; }
.p-card__quote:hover { color: var(--c-navy); }
.help-card { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center; padding: 24px 16px; border: 2px dashed var(--c-sky-2); border-radius: var(--r-card); background: var(--c-sky-soft); }
.help-card__icon { width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--c-primary); }
.help-card__icon .icon { width: 28px; height: 28px; }
.help-card__title { font-weight: 900; color: var(--c-head); font-size: 1.05rem; margin: 0; }
.help-card__text { font-size: .9rem; color: var(--c-muted); margin: 0 0 6px; }
.help-card__link { font-size: .86rem; font-weight: 800; }

/* ==========================================================================
   10. Vì sao chọn + nơi sử dụng + mua sỉ
   ========================================================================== */
.reasons { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.reasons li { padding: 26px 24px; background: #fff; border-radius: var(--r-card); box-shadow: var(--shadow); border: 1px solid #e6f1fa; }
.reasons__icon { width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 14px; color: #fff; background: var(--grad-sky); box-shadow: 0 0 0 6px var(--c-sky-soft); }
.reasons__icon .icon { width: 28px; height: 28px; }
.reasons h3 { margin-bottom: 6px; color: var(--c-head); }
.reasons p { margin: 0; color: var(--c-muted); font-size: .95rem; }

.sol-card { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 24px 20px 20px; background: var(--c-gray); border-radius: var(--r-card); transition: box-shadow .2s, transform .2s, background .2s; }
.sol-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); background: #fff; }
.sol-card__icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--c-primary); margin-bottom: 6px; }
.sol-card__icon .icon { width: 28px; height: 28px; }
.sol-card__title { margin: 0; font-size: 1.08rem; }
.sol-card__title a { color: var(--c-head); }
.sol-card__title a::after { content: ""; position: absolute; inset: 0; }
.sol-card__text { font-size: .92rem; color: var(--c-muted); margin: 0; }
.sol-card__thumbs { list-style: none; padding: 0; margin: 8px 0 4px; display: flex; flex-wrap: wrap; gap: 6px; }
.sol-card__thumbs li { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: .66rem; font-weight: 800; color: var(--c-sky-dark); }
.sol-card__thumbs img { width: 48px; height: 48px; object-fit: contain; border-radius: 10px; background: #fff; padding: 2px; }
.sol-card__more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: .92rem; color: var(--c-primary); }

.b2b { position: relative; overflow: hidden; background: var(--grad-navy); color: #dcecf9; }
.b2b::before { content: ""; position: absolute; width: 320px; height: 320px; right: -80px; top: -120px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .22), transparent 60%); }
.b2b .container { position: relative; }
.b2b .pill { background: #fff; color: var(--c-primary); box-shadow: 0 8px 18px rgba(0, 20, 50, .3); }
.b2b .pill-head__lead { color: #cfe3f5; }
.steps { list-style: none; padding: 0; margin: 0 0 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.steps li { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 20px 18px 18px; background: #fff; border: 1px solid var(--c-line); border-radius: 18px; }
.b2b .steps li { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .2); }
.steps__num { width: 38px; height: 38px; border-radius: 50%; display: grid; place-items: center; background: var(--c-sky); color: #fff; font-weight: 900; margin-bottom: 6px; }
.steps strong { color: var(--c-head); font-size: 1.04rem; }
.b2b .steps strong { color: #fff; }
.steps li > span:last-child { color: var(--c-muted); font-size: .92rem; }
.b2b .steps li > span:last-child { color: #cfe3f5; }
.b2b-terms { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 24px; font-weight: 700; color: #fff; }
.b2b-terms li { display: inline-flex; align-items: center; gap: 6px; }
.b2b-terms .icon { color: var(--c-sky-2); }

/* ==========================================================================
   11. Bảng so sánh
   ========================================================================== */
.table-wrap { overflow-x: auto; border-radius: 16px; border: 1px solid var(--c-line); }
.compare-table { width: 100%; border-collapse: collapse; font-size: .93rem; background: #fff; }
.compare-table thead th { background: var(--c-primary); color: #fff; text-align: left; font-weight: 800; padding: 13px 12px; white-space: nowrap; font-size: .84rem; text-transform: uppercase; letter-spacing: .02em; }
.compare-table td, .compare-table tbody th { padding: 11px 12px; border-top: 1px solid var(--c-line); text-align: left; vertical-align: middle; }
.compare-table tbody tr:nth-child(even) { background: #f7fbfe; }
.compare-table tbody tr:hover { background: var(--c-sky-soft); }
.compare-table__name { display: flex; align-items: center; gap: 10px; color: var(--c-head); font-weight: 800; }
.compare-table__name img { width: 48px; height: 48px; object-fit: contain; border-radius: 8px; background: #fff; border: 1px solid var(--c-line); }
.compare-table__name small { display: block; font-size: .76rem; color: var(--c-sky-dark); font-weight: 800; }
.compare-table .btn { white-space: nowrap; }
.table-note { font-size: .84rem; color: var(--c-muted); margin: 10px 0 0; text-align: center; }

/* ==========================================================================
   12. FAQ + thẻ bài viết (như thẻ tin tức của mẫu)
   ========================================================================== */
.faq { max-width: 900px; margin: 0 auto; display: grid; gap: 10px; }
.faq__item { background: #fff; border: 1px solid #e3eef8; border-radius: 14px; padding: 0 18px; box-shadow: 0 2px 8px rgba(10, 47, 85, .04); }
.faq__q {
	width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 0;
	background: none; border: 0; text-align: left; font-weight: 800; font-size: 1.02rem; color: var(--c-head); cursor: pointer;
}
.faq__q::after { content: "+"; flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--c-sky-soft); color: var(--c-primary); font-size: 1.3rem; font-weight: 400; }
.faq__q[aria-expanded="true"]::after { content: "–"; background: var(--c-sky); color: #fff; }
.faq__a { padding: 0 0 16px; color: var(--c-text); text-align: justify; text-align-last: left; }
.faq__a p:last-child { margin-bottom: 0; }

.card { display: flex; flex-direction: column; background: var(--c-gray); border-radius: var(--r-card); overflow: hidden; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.card__media { display: block; background: var(--c-sky-soft); }
.card__media img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.card__body { padding: 16px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 1rem; font-weight: 900; text-transform: uppercase; line-height: 1.35; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card__title a { color: var(--c-primary); }
.card__title a:hover { color: var(--c-navy); }
.card__text { font-size: .92rem; color: var(--c-muted); margin: 0 0 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card__more { margin-top: auto; align-self: flex-start; }
.pagination { margin-top: 28px; }
.pagination .nav-links { display: flex; justify-content: center; gap: 6px; }
.pagination .page-numbers { min-width: 40px; height: 40px; display: grid; place-items: center; border-radius: 10px; background: #fff; border: 1px solid var(--c-line); font-weight: 800; }
.pagination .current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ==========================================================================
   13. Khối báo giá + form
   ========================================================================== */
.quote__box { display: grid; grid-template-columns: .9fr 1.1fr; border-radius: var(--r-card); overflow: hidden; background: #fff; box-shadow: var(--shadow-hover); border: 1px solid var(--c-line); }
.quote__intro { position: relative; overflow: hidden; padding: 36px 32px; color: #dcecf9; background: var(--grad-hero); }
.quote__intro::after { content: ""; position: absolute; width: 220px; height: 220px; right: -70px; bottom: -70px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .25); background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .25), transparent 60%); }
.quote__intro > * { position: relative; }
.quote__intro h2 { color: #fff; font-size: clamp(1.35rem, 1.1rem + 1vw, 1.85rem); font-weight: 900; text-transform: uppercase; }
.quote__points { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 10px; color: #fff; font-weight: 700; }
.quote__points li { display: flex; align-items: center; gap: 10px; }
.quote__points .icon { color: #bfe9ff; }
.quote__phone { display: inline-flex; align-items: center; gap: 12px; padding: 10px 18px 10px 10px; border-radius: 14px; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .4); color: #fff; }
.quote__phone > span:first-child { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--c-primary); }
.quote__phone span { display: flex; flex-direction: column; line-height: 1.2; }
.quote__phone small { font-size: .78rem; color: #cfe9fb; }
.quote__phone strong { font-size: 1.3rem; }
.quote__phone:hover { color: #fff; border-color: #fff; }
.form { padding: 32px; display: grid; gap: 14px; align-content: start; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: block; font-size: .87rem; font-weight: 800; color: var(--c-head); margin-bottom: 5px; }
.form label span { color: var(--c-red); }
.form input, .form select, .form textarea { width: 100%; padding: .7em .9em; border: 1.5px solid var(--c-line); border-radius: 10px; background: #fbfdff; transition: border-color .2s, box-shadow .2s; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 0; border-color: var(--c-sky); box-shadow: 0 0 0 3px rgba(41, 169, 240, .2); background: #fff; }
.form textarea { min-height: 96px; resize: vertical; }
.form .btn { justify-self: start; }
.form__note { font-size: .8rem; color: var(--c-muted); margin: 0; }
.form__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { padding: 12px 14px; border-radius: 10px; font-weight: 700; }
.notice--ok { background: #e6f7ee; color: #11643b; border: 1px solid #a8e0c1; }
.notice--err { background: #fdecec; color: #9d1c1c; border: 1px solid #f3b8b8; }
.cta-band { padding: 34px 0 40px; background: var(--c-sky-soft); text-align: center; }
.cta-band h2 { margin-bottom: 6px; color: var(--c-primary); text-transform: uppercase; font-weight: 900; }
.cta-band p { color: var(--c-muted); }
.cta-band .btn-group { justify-content: center; }

/* ==========================================================================
   14. Trang con: đầu trang, nội dung, sản phẩm, ứng dụng, liên hệ
   ========================================================================== */
.page-hero { position: relative; overflow: hidden; padding: 30px 0 34px; background: linear-gradient(180deg, var(--c-sky-soft), #f6fbff); border-bottom: 1px solid #e3eef8; margin-bottom: 10px; }
.page-hero::after { content: ""; position: absolute; width: 220px; height: 220px; right: -60px; top: -90px; border-radius: 50%; border: 1px solid #cfe8fb; background: radial-gradient(circle at 30% 30%, #fff, rgba(255, 255, 255, 0) 60%); pointer-events: none; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero--slim { padding: 12px 0; margin-bottom: 4px; }
.page-hero h1 { margin-bottom: 8px; font-weight: 900; color: var(--c-head); }
.page-hero__lead { color: var(--c-muted); max-width: 860px; margin: 0; font-size: 1.05rem; text-align: justify; text-align-last: left; }
.page-hero__meta { color: var(--c-muted); margin: 0; font-size: .92rem; }
.page-hero__inner { display: flex; align-items: center; gap: 20px; }
.page-hero__icon { width: 74px; height: 74px; flex: none; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--grad-sky); }
.page-hero__icon .icon { width: 36px; height: 36px; }
.page-hero__chips { list-style: none; padding: 0; margin: 18px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.page-hero__chips a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: var(--r-pill); background: var(--c-sky-2); font-weight: 900; font-size: .9rem; color: #fff; text-transform: uppercase; }
.page-hero__chips a:hover, .page-hero__chips .is-active a { background: var(--c-primary); color: #fff; }
.page-hero__chips--blog { justify-content: center; margin: 6px 0 4px; }
.breadcrumb { font-size: .87rem; color: var(--c-muted); margin-bottom: 8px; }
.breadcrumb a { color: var(--c-muted); }
.breadcrumb a:hover { color: var(--c-primary); }
.breadcrumb [aria-current] { color: var(--c-head); font-weight: 700; }

.entry { max-width: 860px; margin: 0 auto; }
.entry--wide { max-width: none; }
.entry p, .entry li { text-align: justify; text-align-last: left; }
.entry h2 { margin-top: 1.6em; font-size: 1.45rem; color: var(--c-primary); }
.entry h2:first-child { margin-top: 0; }
.entry h3 { margin-top: 1.3em; font-size: 1.14rem; }
.entry ul, .entry ol { margin: 0 0 1.1em; }
.entry li { margin-bottom: .4em; }
.entry img { border-radius: 14px; margin: 1em 0; }
.entry table { width: 100%; border-collapse: collapse; margin: 1em 0 1.4em; font-size: .94rem; }
@media (max-width: 767px) { .entry table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; } .entry th, .entry td { min-width: 96px; } }
.entry th, .entry td { border: 1px solid var(--c-line); padding: 9px 12px; text-align: left; }
.entry thead th { background: var(--c-sky-soft); color: var(--c-head); }
.entry blockquote { margin: 1.2em 0; padding: 14px 18px; border-left: 4px solid var(--c-sky); background: var(--c-sky-soft); border-radius: 0 12px 12px 0; }
.entry a { text-decoration: underline; text-underline-offset: 2px; }
.entry > img.wp-post-image { max-width: 620px; width: 100%; height: auto; margin: 0 auto 1.6em; border-radius: 16px; box-shadow: var(--shadow); }
.entry .bai-anh { margin: 1.4em auto; max-width: 620px; text-align: center; }
.entry .bai-anh img { margin: 0 auto; border-radius: 14px; box-shadow: var(--shadow); width: 100%; height: auto; }
.entry .bai-anh figcaption { font-size: .88rem; color: var(--c-muted); margin-top: 8px; }

/* Trang danh mục dạng landing: ảnh + chữ xen kẽ trái/phải, bảng rộng, hỏi đáp dạng thẻ, dải báo giá. */
.lp-row { padding: 34px 0; border-top: 1px dashed var(--c-line); }
.lp-row:first-child { padding-top: 8px; border-top: 0; }
.lp-row.entry { max-width: 920px; margin: 0 auto; }
.lp-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
.lp-split--rev { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.lp-split--rev .lp-split__media { order: 2; }
.lp-split__media { margin: 0; aspect-ratio: 1 / 1; border-radius: 20px; overflow: hidden; background: #fff; border: 4px solid var(--c-sky-2); }
.lp-split__media img { display: block; width: 100%; height: 100%; object-fit: contain; margin: 0; border-radius: 0; }
.lp-split__body { max-width: none; margin: 0; }
.lp-split__body h2 { margin-top: 0; }
.lp-split__body > :last-child, .lp-faq__item > :last-child { margin-bottom: 0; }
.lp-faq h2 { margin: 0 0 18px; text-align: center; font-size: 1.45rem; color: var(--c-primary); }
.lp-faq__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.lp-faq__item { max-width: none; margin: 0; padding: 18px 20px; background: var(--c-gray); border-radius: 16px; }
.lp-faq__item h3 { margin-top: 0; font-size: 1.04rem; color: var(--c-head); }
.lp-cta { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center; margin-top: 8px; padding: 28px 32px; border-top: 0; border-radius: 20px; background: var(--grad-hero); color: #e3effa; }
.lp-cta h2 { margin: 0 0 8px; font-size: 1.35rem; color: #fff; }
.lp-cta .entry { max-width: none; margin: 0; }
.lp-cta .entry p:last-child { margin-bottom: 0; }
.lp-cta .entry a, .lp-cta strong { color: #fff; }
.lp-cta .btn-group { flex-wrap: nowrap; }
.lp-cta .btn--sky { background: #fff; color: var(--c-primary); }
.lp-cta .btn--outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .75); }
.lp-cta .btn--outline:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.lp-row--wide { max-width: none; }
.lp-row--wide > h2 { text-align: center; }
.lp-row--wide > p { max-width: 820px; margin-left: auto; margin-right: auto; text-align: center; }
.lp-tiles { list-style: none; padding: 0; margin: 20px 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.lp-tiles .lp-tile { display: flex; flex-direction: column; margin: 0; overflow: hidden; background: var(--c-gray); border-radius: 16px; }
.lp-tile figure { margin: 0; aspect-ratio: 1 / 1; overflow: hidden; background: #fff; }
.lp-tile img { display: block; width: 100%; height: 100%; object-fit: contain; margin: 0; border-radius: 0; }
.lp-tile__body { padding: 14px 16px 16px; font-size: .92rem; color: var(--c-muted); }
.lp-tile__body > a:first-child { display: block; margin-bottom: 4px; font-size: 1.05rem; font-weight: 800; color: var(--c-head); text-decoration: none; }
.lp-sols { margin-top: 20px; }
.lp-sols .sol-card__title a { text-decoration: none; }
.entry .lp-steps { margin: 20px 0 0; }
.lp-steps li { margin: 0; }

.product { display: grid; grid-template-columns: 1fr 1.05fr; gap: 40px; }
.product__main { position: relative; background: #fff; border: 4px solid var(--c-sky-2); border-radius: var(--r-card); overflow: hidden; }
.product__main img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.product__thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.product__thumbs button { padding: 0; border: 2px solid var(--c-line); border-radius: 12px; overflow: hidden; background: #fff; cursor: pointer; width: 74px; height: 74px; }
.product__thumbs button.is-active, .product__thumbs button:hover { border-color: var(--c-sky); }
.product__thumbs img { width: 100%; height: 100%; object-fit: cover; }
.product__title { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.15rem); font-weight: 900; margin: 6px 0 10px; color: var(--c-primary); }
.product__excerpt { color: var(--c-muted); font-size: 1.05rem; text-align: justify; text-align-last: left; }
.product__price { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 14px; background: var(--c-sky-soft); border: 1px dashed var(--c-sky); margin-bottom: 16px; }
.product__price > .icon { width: 30px; height: 30px; color: var(--c-primary); }
.product__price span { display: flex; flex-direction: column; }
.product__price strong { color: var(--c-primary); font-size: 1.3rem; font-weight: 900; }
.product__price small { color: var(--c-muted); font-size: .86rem; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .95rem; margin-bottom: 18px; }
.spec-table th, .spec-table td { padding: 9px 10px; border-bottom: 1px solid var(--c-line); text-align: left; vertical-align: top; }
.spec-table th { width: 34%; color: var(--c-muted); font-weight: 700; }
.spec-table td { color: var(--c-head); font-weight: 700; }
.product__features { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 8px; }
.product__features li { display: flex; align-items: flex-start; gap: 8px; padding: 10px 12px; border-radius: 12px; background: var(--c-gray); font-weight: 700; color: var(--c-head); font-size: .95rem; }
.product__features .icon { color: var(--c-primary); margin-top: 3px; }
.product__fits-title { margin: 18px 0 6px; font-size: .8rem; font-weight: 800; text-transform: uppercase; color: var(--c-muted); letter-spacing: .04em; }
.product__fits { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.product__fits li { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: var(--r-pill); background: var(--c-sky-soft); color: var(--c-sky-dark); font-weight: 800; font-size: .88rem; }

.with-aside, .with-sidebar { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 24px; align-items: start; }
.with-sidebar { align-items: stretch; }
.with-sidebar .entry { max-width: none; margin: 0; }
.sidebar__sticky { display: grid; gap: 16px; }
@media (min-width: 1024px) and (min-height: 700px) { .sidebar__sticky { position: sticky; top: calc(var(--header-h) + 20px); } }
.aside-box { background: #fff; border: 1px solid var(--c-line); border-radius: var(--r-card); padding: 20px; display: grid; gap: 12px; box-shadow: var(--shadow); }
.with-aside > .aside-box { position: sticky; top: calc(var(--header-h) + 20px); }
.aside-box__title { font-size: 1.06rem; font-weight: 900; color: var(--c-primary); text-transform: uppercase; margin: 0; }
.aside-box__text { margin: 0; color: var(--c-muted); font-size: .92rem; }
.aside-box__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.aside-box__list a { display: flex; align-items: center; gap: 10px; color: var(--c-head); font-weight: 800; font-size: .93rem; }
.aside-box__list img { width: 48px; height: 48px; object-fit: contain; border-radius: 10px; background: var(--c-gray); }
.aside-box__list small { display: block; font-weight: 600; color: var(--c-muted); font-size: .78rem; }
.aside-box__phone { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 800; }

.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-card { display: flex; align-items: center; gap: 14px; padding: 18px; background: var(--c-gray); border-radius: var(--r-card); color: var(--c-head); }
.contact-card small { display: block; color: var(--c-muted); font-size: .84rem; }
.contact-card strong { font-size: 1.05rem; }
.feature__icon { width: 50px; height: 50px; flex: none; border-radius: 50%; display: grid; place-items: center; background: var(--c-primary); color: #fff; }

/* ==========================================================================
   15. Chân trang — nền xám nhạt + dòng bản quyền như mẫu
   ========================================================================== */
.site-footer { background: #f1f4f8; color: var(--c-text); }
.site-footer .site-logo { color: var(--c-primary); }
.site-footer .site-logo__mark { filter: none; }
.site-footer .site-logo__mark circle:first-child { fill: var(--c-sky-soft); }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; padding-top: 44px; padding-bottom: 34px; }
.site-footer h3 { font-size: 1rem; text-transform: uppercase; color: var(--c-primary); margin-bottom: 14px; font-weight: 900; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; }
.site-footer a { color: var(--c-text); }
.site-footer a:hover { color: var(--c-primary); }
.site-footer__grid > div:not(.site-footer__brand) li a { display: block; padding: 4px 0; font-size: .95rem; }
.site-footer__brand p { font-size: .93rem; color: var(--c-muted); margin: 14px 0; }
.site-footer__contact li { display: flex; align-items: flex-start; gap: 8px; font-size: .93rem; }
.site-footer__contact .icon { color: var(--c-primary); margin-top: 4px; }
.site-footer__contact a { font-weight: 800; color: var(--c-primary); }
.site-footer__bottom { background: #e7ecf2; font-size: .86rem; font-weight: 700; text-transform: uppercase; letter-spacing: .02em; color: #42505f; }
.site-footer__bar { display: flex; align-items: center; justify-content: space-between; gap: 10px 24px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px; }
.site-footer__bar nav { display: flex; gap: 22px; }
.site-footer__bar a { color: #42505f; }

/* ==========================================================================
   16. Nút liên hệ nổi
   ========================================================================== */
.float-contact { position: fixed; right: 18px; bottom: 90px; z-index: 40; display: flex; flex-direction: column; gap: 14px; }
.float-contact__btn { position: relative; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; color: #fff; box-shadow: 0 8px 20px rgba(0, 0, 0, .22); }
.float-contact__btn::before { content: ""; position: absolute; inset: -7px; border-radius: 50%; background: inherit; opacity: .25; z-index: -1; animation: bdx-pulse 2s infinite; }
.float-contact__btn svg { width: 26px; height: 26px; fill: currentColor; }
.float-contact__btn span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); }
.float-contact__phone { background: var(--c-red); }
.float-contact__zalo { background: #0a7cff; }
.float-contact__mess { background: #0084ff; }
.float-contact__btn:hover { color: #fff; transform: scale(1.06); }
@keyframes bdx-pulse { 0% { transform: scale(.9); opacity: .35; } 70% { transform: scale(1.25); opacity: 0; } 100% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .float-contact__btn::before, .showcase.is-ready .showcase__item.is-active { animation: none; } .hero__slide { transition: none; } html { scroll-behavior: auto; } }

/* ==========================================================================
   17. Responsive
   ========================================================================== */
@media (max-width: 1279px) {
	.slider__btn--prev { left: -8px; }
	.slider__btn--next { right: -8px; }
	.slider__btn { background: rgba(160, 175, 190, .85); }
}

@media (max-width: 1180px) {
	.primary-nav > ul > li > a { padding: 10px 8px; font-size: .9rem; }
	.header-hotline small { display: none; }
	.header-zalo { display: none; }
	.p-grid--4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1023px) {
	:root { --header-h: 62px; }
	.site-logo__mark { width: 40px; height: 40px; }
	.site-logo__name { font-size: 1.05rem; }
	.header-actions { display: none; }
	.header-call, .nav-toggle { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; border: 0; cursor: pointer; flex: none; }
	.header-call { margin-left: auto; background: #fff; color: var(--c-primary); }
	.nav-toggle { background: rgba(255, 255, 255, .18); color: #fff; position: relative; }
	.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after { display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s, opacity .2s; }
	.nav-toggle__bar { position: relative; }
	.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
	.nav-toggle__bar::before { top: -6px; }
	.nav-toggle__bar::after { top: 6px; }
	.nav-open .nav-toggle__bar { background: transparent; }
	.nav-open .nav-toggle__bar::before { transform: translateY(6px) rotate(45deg); }
	.nav-open .nav-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

	.primary-nav {
		position: fixed; top: 0; right: 0; bottom: 0; width: min(88vw, 380px); z-index: 70; flex-direction: column; justify-content: flex-start;
		padding: 18px 16px 24px; background: #fff; overflow-y: auto; transform: translateX(100%); transition: transform .25s;
		box-shadow: -10px 0 30px rgba(10, 47, 85, .2);
	}
	.nav-open .primary-nav { transform: none; }
	.nav-open body { overflow: hidden; }
	.nav-open body::after { content: ""; position: fixed; inset: 0; background: rgba(6, 30, 55, .5); z-index: 60; }
	.nav-open .nav-toggle { position: fixed; top: 9px; right: calc(min(88vw, 380px) + 10px); z-index: 80; background: var(--c-primary); }
	.primary-nav > ul { flex-direction: column; align-items: stretch; gap: 0; }
	.primary-nav > ul > li > a { display: flex; padding: 13px 6px; border-bottom: 1px solid var(--c-line); font-size: .98rem; color: var(--c-head); border-radius: 0; }
	.primary-nav > ul > li:first-child > a { font-size: .98rem; padding: 13px 6px; }
	.primary-nav > ul > li:first-child > a::before { display: none; }
	.primary-nav > ul > li > a:hover, .primary-nav > ul > li.current-menu-item > a { background: none; color: var(--c-primary); }
	.primary-nav .menu-item-has-children > a::after { display: none; }
	.primary-nav .sub-menu { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-left: 3px solid var(--c-sky); border-radius: 0; margin: 4px 0 8px 8px; padding: 0 0 0 8px; min-width: 0; }
	.primary-nav .sub-menu a { padding: 8px 6px; }
	.primary-nav .primary-nav__cta { display: inline-flex; margin-top: 16px; }

	.section { padding: 34px 0; }
	.hero__inner { grid-template-columns: 1fr; min-height: 0; gap: 18px; padding-top: 34px; padding-bottom: 84px; text-align: center; }
	.hero__lead { margin-left: auto; margin-right: auto; }
	.hero .btn-group { justify-content: center; }
	.hero__media { height: 270px; }
	.hero__media--1 .hero__img { height: 260px; }
	.hero__media--2 .hero__img { height: 240px; }
	.hero__media--2 .hero__img--2 { height: 210px; }
	.hero__media--3 .hero__img--1 { height: 220px; }
	.hero__media--3 .hero__img--2 { height: 250px; }
	.hero__media--3 .hero__img--3 { height: 170px; }
	.hero__arrow { top: auto; bottom: 46px; transform: none; width: 40px; height: 40px; }
	.hero__arrow--prev { left: 12px; }
	.hero__arrow--next { right: 12px; }
	.hero__dots { bottom: 60px; }
	.feature__main { grid-template-columns: 1fr; gap: 24px; }
	.showcase__item { grid-template-columns: 1fr; gap: 10px; }
	.showcase__media { order: -1; min-height: 300px; }
	.showcase__media img { max-height: 300px; }
	.showcase__thumbs .slider__track { grid-auto-columns: calc((100% - 3 * 14px) / 4); gap: 14px; }
	.slider__track { grid-auto-columns: calc((100% - 20px) / 2); }
	.grid--4 { grid-template-columns: repeat(2, 1fr); }
	.reasons { grid-template-columns: repeat(2, 1fr); }
	.steps { grid-template-columns: repeat(2, 1fr); }
	.quote__box { grid-template-columns: 1fr; }
	.product { grid-template-columns: 1fr; gap: 22px; }
	.with-aside, .with-sidebar { grid-template-columns: 1fr; }
	.with-aside > .aside-box { position: static; }
	.site-footer__grid { grid-template-columns: 1fr 1fr; }
	.site-footer__brand { grid-column: 1 / -1; }
	.float-contact { right: 12px; bottom: 16px; gap: 10px; }
	.float-contact__btn { width: 50px; height: 50px; }
	.lp-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.lp-split, .lp-split--rev { grid-template-columns: 1fr; gap: 22px; }
	.lp-split--rev .lp-split__media { order: 0; }
	.lp-split__media { width: 100%; max-width: 460px; margin: 0 auto; }
	.lp-cta { grid-template-columns: 1fr; }
	.lp-cta .btn-group { flex-wrap: wrap; }
}

@media (max-width: 767px) {
	.section { padding: 28px 0; }
	.section--tight { padding: 18px 0; }
	.frame { padding: 20px 14px; }
	.pill { padding: 9px 20px; text-align: center; }
	.hero__title { font-size: 1.85rem; }
	.hero__lead { font-size: 1rem; }
	.hero .btn-group .btn { flex: 1 1 auto; }
	.hero__bubble--a { width: 220px; height: 220px; }
	.hero__media { height: 220px; }
	.hero__img { min-width: 0; }
	.hero__media--1 .hero__img { height: 220px; }
	.hero__media--2 .hero__img { height: 200px; max-width: 48%; }
	.hero__media--2 .hero__img--2 { height: 175px; }
	.hero__media--3 .hero__img { max-width: 36%; }
	.hero__media--3 .hero__img--1 { height: 175px; }
	.hero__media--3 .hero__img--2 { height: 205px; }
	.hero__media--3 .hero__img--3 { height: 130px; }
	.feature__pump { width: 84px; top: -31px; }
	.feature__strip { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 78%; gap: 12px; padding: 16px 0; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
	.feature__strip::-webkit-scrollbar { display: none; }
	.feature__strip li { scroll-snap-align: start; }
	.showcase__tab { min-width: 0; flex: 1 1 auto; padding: 9px 14px; font-size: .86rem; }
	.showcase__specs { grid-template-columns: 1fr; }
	.showcase__thumbs .slider__track { grid-auto-columns: 38%; gap: 10px; }
	.slider__track { grid-auto-columns: 84%; gap: 14px; }
	.slider__btn { display: none; }
	.p-grid, .p-grid--3, .p-grid--4 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
	.p-card { padding: 8px; }
	.p-card__title { font-size: .92rem; }
	.p-card__specs { font-size: .8rem; }
	.grid--3, .grid--2, .grid--4 { grid-template-columns: 1fr; }
	.reasons { grid-template-columns: 1fr; gap: 14px; }
	.reasons li { display: grid; grid-template-columns: 54px 1fr; column-gap: 14px; padding: 18px; }
	.reasons__icon { width: 50px; height: 50px; grid-row: span 2; margin: 0; }
	.steps { grid-template-columns: 1fr; }
	.b2b-terms { justify-content: flex-start; }
	.form { padding: 22px 16px; }
	.form__row { grid-template-columns: 1fr; }
	.form .btn { width: 100%; }
	.quote__intro { padding: 26px 18px; }
	.contact-cards { grid-template-columns: 1fr; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 22px; }
	.site-footer__bar { justify-content: center; text-align: center; }
	.lp-row { padding: 24px 0; }
	.lp-faq__grid { grid-template-columns: 1fr; }
	.lp-cta { padding: 22px 18px; }
	.lp-row--wide > p { text-align: left; }

	/* Bảng so sánh → thẻ trên điện thoại */
	.table-wrap { border: 0; overflow: visible; }
	.compare-table thead { display: none; }
	.compare-table, .compare-table tbody, .compare-table tr, .compare-table td, .compare-table th { display: block; width: 100%; }
	.compare-table tr { border: 1px solid var(--c-line); border-radius: 14px; margin-bottom: 10px; padding: 8px 12px; background: #fff; }
	.compare-table tbody tr:nth-child(even) { background: #fff; }
	.compare-table tbody th { border: 0; padding: 4px 0 8px; }
	.compare-table td { border: 0; padding: 3px 0; display: flex; justify-content: space-between; gap: 10px; font-size: .88rem; text-align: right; }
	.compare-table td::before { content: attr(data-label); color: var(--c-muted); text-align: left; }
	.compare-table td:last-child { padding-top: 8px; }
	.compare-table td:last-child .btn { width: 100%; }
	.compare-table td:last-child::before { display: none; }
	.page-hero__inner { align-items: flex-start; }
	.page-hero__icon { width: 56px; height: 56px; }
}

@media (max-width: 560px) {
	.lp-tiles { grid-template-columns: 1fr; gap: 12px; }
	.lp-tiles .lp-tile { flex-direction: row; align-items: center; }
	.lp-tile figure { flex: 0 0 38%; }
	.lp-tile__body { padding: 12px 14px; }
}