/*
Theme Name: Khăn Giấy Rút
Theme URI: https://khangiayrut.com/
Author: khangiayrut.com
Description: Theme viết tay cho khangiayrut.com — khăn giấy rút hộp, gói, lau tay và hộp đựng. Dữ liệu gom trong inc/data.php, schema JSON-LD, form báo giá lưu đơn, không page builder, không jQuery. Phong cách học từ yeunem.com (khung trắng viền màu + tab tiêu đề, khối danh mục có banner dọc, dải đăng ký chân trang), tông xanh nước biển + xanh da trời trên nền vân giấy.
Version: 1.0.0
Requires at least: 6.5
Tested up to: 6.9
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: khan-giay-rut
*/

/* ==========================================================================
   1. Tokens — đổi giao diện chủ yếu ở đây
   ========================================================================== */
:root {
	--c-navy: #0b3d6e;           /* xanh nước biển đậm: thanh trên, banner, khối đậm */
	--c-navy-2: #072b4f;         /* đáy trang */
	--c-primary: #0d6ebd;        /* xanh nước biển: nút chính, link */
	--c-primary-dark: #0a5a9c;
	--c-sky: #29b6f6;            /* xanh da trời nổi bật: tab, nhãn, nút nổi */
	--c-sky-2: #8fd8fb;
	--c-sky-dark: #0b86c6;       /* chữ xanh da trời đủ tương phản trên nền trắng */
	--c-sky-soft: #e5f5fe;
	--c-bg: #f3f9fe;             /* nền trang (phủ vân giấy) */
	--c-card: #eff5fa;           /* nền thẻ sản phẩm */
	--c-frame: #6cc3ee;          /* viền khung */
	--c-line: #dbe8f3;
	--c-head: #0a2f55;           /* tiêu đề */
	--c-text: #1f2d3d;
	--c-muted: #5b6d80;
	--c-white: #fff;
	--c-red: #e53935;

	--font: "Roboto", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
	--fs-h1: clamp(1.75rem, 1.2rem + 2.4vw, 2.9rem);
	--fs-h2: clamp(1.2rem, 1.05rem + .6vw, 1.5rem);
	--fs-h3: 1.05rem;

	--r-frame: 12px;
	--r-card: 8px;
	--r-pill: 999px;
	--shadow: 0 2px 8px rgba(10, 47, 85, .05);
	--shadow-hover: 0 12px 26px rgba(10, 47, 85, .14);
	--container: 1220px;
	--gutter: 16px;

	--tex: url("assets/img/van-giay.webp");
	--tex-light: url("assets/img/van-giay-sang.webp");
	--grad-sky: linear-gradient(180deg, #4cc4f8 0%, #a6e1fc 100%);
	--grad-navy: linear-gradient(160deg, #0f4f8c 0%, #0b3d6e 55%, #082f57 100%);
}

/* ==========================================================================
   2. Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
	margin: 0;
	font-family: var(--font);
	font-size: 16px;
	line-height: 1.6;
	color: var(--c-text);
	background: linear-gradient(rgba(243, 249, 254, .6), rgba(243, 249, 254, .6)), var(--tex) var(--c-bg);
	background-color: var(--c-bg);
	-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: 700; }
h1 { font-size: var(--fs-h1); }
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: 1.5rem; margin-bottom: 0; }
.grid { display: grid; gap: 18px; }
.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: 6px; border: 2px solid transparent;
	font-weight: 700; font-size: .98rem; line-height: 1.2; cursor: pointer;
	transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
	text-align: center;
}
.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(13, 110, 189, .28); }
.btn--sky { background: linear-gradient(180deg, #3cc0f8, #149fe0); color: #06294b; }
.btn--sky:hover { color: #06294b; box-shadow: 0 8px 20px rgba(41, 182, 246, .4); }
.btn--light { background: #fff; color: var(--c-navy); }
.btn--light:hover { color: var(--c-primary); }
.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--lg { padding: .9em 1.7em; font-size: 1.03rem; }
.btn--sm { padding: .5em 1em; font-size: .88rem; }
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; }

/* ==========================================================================
   4. Thanh trên + header (học từ mẫu)
   ========================================================================== */
.topbar { background: var(--c-navy); color: #fff; font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .01em; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 42px; }
.topbar__links { display: flex; }
.topbar__links a { color: #dcebf8; padding: 0 12px; border-left: 1px solid rgba(255, 255, 255, .22); }
.topbar__links a:first-child { padding-left: 0; border-left: 0; }
.topbar__links a:hover { color: var(--c-sky-2); }
.topbar__note { display: inline-flex; align-items: center; gap: 8px; color: #fff; }
.topbar__note .icon { color: var(--c-sky); }

.site-header {
	position: sticky; top: 0; z-index: 50;
	background: linear-gradient(rgba(234, 246, 254, .82), rgba(234, 246, 254, .82)), var(--tex) #eaf6fe;
	border-bottom: 1px solid var(--c-line);
	transition: box-shadow .2s;
}
.site-header.is-scrolled { box-shadow: 0 6px 18px rgba(10, 47, 85, .1); }
.site-header__inner { display: flex; align-items: center; gap: 22px; min-height: 88px; }

.site-logo { display: inline-flex; align-items: center; gap: 10px; color: var(--c-navy); flex: none; }
.site-logo__mark { width: 46px; height: 46px; }
.site-logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.site-logo__name { font-weight: 900; font-size: 1.32rem; letter-spacing: -.01em; color: var(--c-navy); }
.site-logo__tag { font-size: .7rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--c-sky-dark); margin-top: 3px; }
.custom-logo { max-height: 56px; width: auto; }

.primary-nav { flex: 1; display: flex; align-items: center; }
.primary-nav > ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 4px; }
.primary-nav li { position: relative; }
.primary-nav > ul > li > a {
	display: inline-flex; align-items: center; gap: 4px; padding: 10px 11px;
	font-weight: 700; font-size: .93rem; text-transform: uppercase; color: var(--c-head); border-radius: 6px; white-space: nowrap;
}
.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: var(--c-primary); }
.primary-nav .menu-item-has-children > a::after {
	content: ""; width: 7px; height: 7px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor;
	transform: rotate(45deg) translateY(-2px); margin-left: 4px; opacity: .7;
}
.primary-nav .sub-menu {
	list-style: none; margin: 0; padding: 8px; position: absolute; left: 0; top: 100%; min-width: 250px;
	background: #fff; border: 1px solid var(--c-line); border-top: 3px solid var(--c-sky); border-radius: 0 0 10px 10px;
	box-shadow: 0 16px 36px rgba(10, 47, 85, .14); 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: 6px; color: var(--c-text); font-size: .93rem; }
.primary-nav .sub-menu a:hover { background: var(--c-sky-soft); color: var(--c-primary); }
.primary-nav .header-search--drawer, .primary-nav .primary-nav__cta { display: none; }

.header-search-wrap { position: relative; }
.header-search-toggle { width: 42px; height: 42px; border-radius: 50%; border: 0; background: transparent; color: var(--c-head); display: grid; place-items: center; cursor: pointer; }
.header-search-toggle:hover { background: #fff; color: var(--c-primary); }
.header-search {
	display: flex; background: #fff; border: 1.5px solid var(--c-line); border-radius: var(--r-pill); overflow: hidden;
}
.header-search input { flex: 1; min-width: 0; border: 0; padding: .65em 1.1em; background: transparent; outline: 0; }
.header-search button { border: 0; background: var(--c-primary); color: #fff; width: 46px; display: grid; place-items: center; cursor: pointer; }
.header-search-wrap .header-search {
	position: absolute; right: 0; top: calc(100% + 12px); width: 340px; box-shadow: 0 14px 30px rgba(10, 47, 85, .16);
	opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s;
}
.header-search-wrap.is-open .header-search { opacity: 1; visibility: visible; transform: none; }

.header-hotline {
	display: inline-flex; align-items: center; gap: 10px; padding: 9px 20px 9px 14px; border-radius: 8px;
	background: linear-gradient(180deg, #3cc0f8, #149fe0); color: #06294b; font-weight: 700; flex: none;
	box-shadow: 0 6px 16px rgba(41, 182, 246, .32);
}
.header-hotline:hover { color: #06294b; transform: translateY(-1px); }
.header-hotline .icon { width: 22px; height: 22px; }
.header-hotline span { display: flex; flex-direction: column; line-height: 1.15; }
.header-hotline small { font-size: .7rem; font-weight: 700; text-transform: uppercase; opacity: .85; }
.header-hotline strong { font-size: 1.1rem; letter-spacing: .01em; }
.header-call, .nav-toggle { display: none; }

/* ==========================================================================
   5. Khung + tab tiêu đề (dấu hiệu nhận diện của mẫu)
   ========================================================================== */
.section { padding: 14px 0; }
.section--tight { padding: 10px 0; }
.section--first { padding-top: 26px; }
.frame {
	position: relative; background: #fff; border: 1px solid var(--c-frame); border-radius: var(--r-frame);
	padding: 44px 24px 24px; box-shadow: var(--shadow);
}
.frame--soft { background: linear-gradient(rgba(255, 255, 255, .86), rgba(255, 255, 255, .86)), var(--tex) #fff; }
.frame--compact { padding-bottom: 18px; }
.frame__tab { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); max-width: calc(100% - 32px); z-index: 2; }
.frame__title {
	display: inline-flex; align-items: center; gap: 8px; margin: 0; padding: 9px 34px;
	background: var(--grad-sky); color: var(--c-navy); border-radius: var(--r-pill);
	font-size: clamp(.95rem, .85rem + .35vw, 1.12rem); font-weight: 900; text-transform: uppercase; letter-spacing: .01em;
	white-space: nowrap; box-shadow: 0 6px 14px rgba(41, 182, 246, .28), inset 0 -2px 0 rgba(11, 61, 110, .12);
}
.frame__title .icon { color: var(--c-navy); }
.frame__lead { text-align: center; color: var(--c-muted); max-width: 760px; margin: 0 auto 22px; }
.frame__lead a { font-weight: 700; 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: 700; 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 đầu trang
   ========================================================================== */
.hero {
	position: relative; overflow: hidden; color: #fff;
	background: var(--tex-light), var(--grad-navy);
	background-size: 320px, auto;
}
.hero::after {
	content: ""; position: absolute; inset: auto 0 0; height: 90px;
	background: radial-gradient(120% 90px at 50% 100%, rgba(41, 182, 246, .28), transparent 70%);
	pointer-events: none;
}
.hero__sheet { position: absolute; border-radius: 26px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); pointer-events: none; }
.hero__sheet--a { width: 520px; height: 520px; right: -120px; top: -160px; transform: rotate(18deg); }
.hero__sheet--b { width: 300px; height: 300px; left: -120px; bottom: -150px; transform: rotate(-14deg); }
.hero__inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; min-height: 490px; padding-top: 44px; padding-bottom: 52px; }
.hero__eyebrow { display: inline-block; padding: 6px 14px; border-radius: var(--r-pill); background: rgba(41, 182, 246, .18); border: 1px solid rgba(143, 216, 251, .45); color: var(--c-sky-2); font-size: .82rem; font-weight: 700; margin-bottom: 18px; }
.hero__title { color: #fff; font-size: var(--fs-h1); font-weight: 900; line-height: 1.12; margin-bottom: 16px; text-transform: uppercase; letter-spacing: -.01em; }
.hero__title em { display: block; font-style: normal; color: var(--c-sky); }
.hero__lead { color: #d5e6f5; font-size: 1.08rem; max-width: 560px; margin-bottom: 26px; }
.hero__badges { list-style: none; padding: 0; margin: 26px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .92rem; color: #e3effa; }
.hero__badges li { display: inline-flex; align-items: center; gap: 8px; }
.hero__badges .icon { color: var(--c-sky); }
.hero__media { position: relative; height: 400px; }
.hero__card { position: absolute; margin: 0; background: #fff; border-radius: 16px; padding: 12px; box-shadow: 0 24px 50px rgba(0, 20, 45, .35); }
.hero__card img { border-radius: 10px; width: 100%; aspect-ratio: 1; object-fit: cover; }
.hero__card figcaption { font-size: .78rem; font-weight: 700; color: var(--c-navy); text-align: center; padding-top: 8px; }
.hero__card--1 { width: 58%; left: 18%; top: 0; z-index: 2; transform: rotate(-2deg); }
.hero__card--2 { width: 38%; left: 0; bottom: -6px; z-index: 3; transform: rotate(-6deg); }
.hero__card--3 { width: 38%; right: 0; bottom: 14px; z-index: 3; transform: rotate(5deg); }

/* ==========================================================================
   7. Giới thiệu + cam kết icon tròn
   ========================================================================== */
.frame--intro { padding-top: 26px; text-align: center; }
.intro__title { font-size: clamp(1.25rem, 1.05rem + .9vw, 1.75rem); font-weight: 900; text-transform: uppercase; color: var(--c-navy); margin-bottom: 10px; }
.intro__text { max-width: 980px; margin: 0 auto 26px; color: var(--c-text); }
.promises { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.promises li { display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; }
.promises__icon { width: 78px; height: 78px; border-radius: 50%; display: grid; place-items: center; margin-bottom: 8px; color: #fff; background: var(--tex-light), var(--c-navy); box-shadow: 0 0 0 6px var(--c-sky-soft); }
.promises__icon .icon { width: 34px; height: 34px; }
.promises strong { color: var(--c-head); font-size: 1rem; }
.promises li > span:last-child { color: var(--c-muted); font-size: .9rem; }

/* ==========================================================================
   8. Thẻ sản phẩm + lưới + dải trượt
   ========================================================================== */
.p-grid { display: grid; gap: 14px; 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-card); border-radius: var(--r-card); padding: 10px; 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: 6px; 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__badge {
	position: absolute; top: 8px; left: 8px; z-index: 1; width: 44px; height: 44px; border-radius: 50%;
	display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1;
	background: var(--c-sky); color: #06294b; font-weight: 900; font-size: 1.05rem;
}
.p-card__badge small { font-size: .58rem; font-weight: 700; text-transform: uppercase; }
.p-card__body { display: flex; flex-direction: column; flex: 1; padding: 12px 4px 4px; }
.p-card__code { font-size: .74rem; font-weight: 700; color: var(--c-sky-dark); text-transform: uppercase; letter-spacing: .04em; }
.p-card__title { font-size: .98rem; font-weight: 700; 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: .84rem; color: var(--c-muted); }
.p-card__quote { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; 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-frame); 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: 700; }

.slider { position: relative; }
.slider__track {
	display: grid; grid-auto-flow: column; grid-auto-columns: calc((100% - 3 * 14px) / 4); gap: 14px;
	overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding: 4px 2px 10px; scroll-behavior: smooth;
}
.slider__track::-webkit-scrollbar { display: none; }
.slider__track > * { scroll-snap-align: start; }
.slider__btn {
	position: absolute; top: 38%; z-index: 3; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--c-line);
	background: #fff; color: var(--c-navy); display: grid; place-items: center; cursor: pointer; box-shadow: 0 6px 16px rgba(10, 47, 85, .16);
}
.slider__btn:hover { background: var(--c-sky); }
.slider__btn--prev { left: -14px; }
.slider__btn--next { right: -14px; }

/* ==========================================================================
   9. Khối danh mục: thanh tab + banner dọc + lưới (như mẫu)
   ========================================================================== */
.catblock { background: #fff; border: 1px solid var(--c-frame); border-radius: var(--r-frame); overflow: hidden; box-shadow: var(--shadow); }
.catblock__bar {
	display: flex; align-items: center; gap: 12px 24px; flex-wrap: wrap; padding: 14px 22px;
	background: var(--grad-sky);
}
.catblock__title { margin: 0; font-size: clamp(1.05rem, .95rem + .4vw, 1.3rem); font-weight: 900; text-transform: uppercase; }
.catblock__title a { display: inline-flex; align-items: center; gap: 10px; color: var(--c-navy); }
.catblock__title .icon { width: 30px; height: 30px; }
.catblock__chips { list-style: none; margin: 0 0 0 auto; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.catblock__chips a { display: inline-block; padding: 6px 14px; border-radius: var(--r-pill); background: rgba(255, 255, 255, .65); color: var(--c-navy); font-weight: 700; font-size: .84rem; }
.catblock__chips a:hover { background: #fff; color: var(--c-primary); }
.catblock__body { display: grid; grid-template-columns: 270px 1fr; gap: 14px; padding: 14px; }
.catblock--flip .catblock__body { grid-template-columns: 1fr 270px; }
.catblock--flip .catbanner { order: 2; }

.catbanner {
	position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px;
	padding: 26px 18px 22px; border-radius: 10px; overflow: hidden; color: #fff;
	background: var(--tex-light), var(--grad-navy); background-size: 320px, auto;
}
.catbanner::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(143, 216, 251, .35); border-radius: 6px; pointer-events: none; }
.catbanner__brand { font-size: .72rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--c-sky-2); }
.catbanner__title { font-size: 1.55rem; font-weight: 900; line-height: 1.15; text-transform: uppercase; color: #fff; }
.catbanner__sub { font-size: .88rem; color: #cfe4f6; }
.catbanner__img { display: block; width: 86%; margin: 12px 0; background: #fff; border-radius: 12px; padding: 8px; box-shadow: 0 14px 30px rgba(0, 20, 45, .35); transition: transform .3s; }
.catbanner__img img { border-radius: 8px; aspect-ratio: 1; object-fit: cover; width: 100%; }
.catbanner:hover .catbanner__img { transform: translateY(-4px) rotate(-1deg); }
.catbanner__text { font-size: .86rem; color: #dcebf8; }
.catbanner__cta { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; padding: 8px 18px; border-radius: var(--r-pill); border: 1px solid var(--c-sky-2); color: #fff; font-weight: 700; font-size: .86rem; }
.catbanner:hover .catbanner__cta { background: var(--c-sky); color: #06294b; border-color: var(--c-sky); }
.catbanner:hover { color: #fff; }

/* ==========================================================================
   10. Thẻ nhu cầu
   ========================================================================== */
.sol-card { position: relative; display: flex; flex-direction: column; gap: 6px; padding: 22px 18px 18px; background: #fff; border: 1px solid var(--c-line); border-radius: 10px; transition: box-shadow .2s, transform .2s, border-color .2s; }
.sol-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: var(--c-frame); }
.sol-card__icon { width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--tex-light), var(--c-primary); margin-bottom: 6px; }
.sol-card__icon .icon { width: 28px; height: 28px; }
.sol-card__title { margin: 0; font-size: 1.06rem; }
.sol-card__title a { color: var(--c-head); }
.sol-card__title a::after { content: ""; position: absolute; inset: 0; }
.sol-card__text { font-size: .9rem; 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: .64rem; font-weight: 700; color: var(--c-sky-dark); }
.sol-card__thumbs img { width: 48px; height: 48px; object-fit: contain; border-radius: 6px; background: var(--c-card); padding: 2px; }
.sol-card__more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: .9rem; color: var(--c-primary); }

/* Khối "Mua cho doanh nghiệp": 4 bước + điều kiện */
.steps { list-style: none; padding: 0; margin: 0 0 20px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; counter-reset: none; }
.steps li { position: relative; display: flex; flex-direction: column; gap: 4px; padding: 18px 16px 16px; background: #fff; border: 1px solid var(--c-line); border-radius: 10px; }
.steps__num { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--c-sky); color: #06294b; font-weight: 900; margin-bottom: 6px; }
.steps strong { color: var(--c-head); }
.steps li > span:last-child { color: var(--c-muted); font-size: .9rem; }
.b2b-terms { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; font-weight: 500; color: var(--c-head); }
.b2b-terms li { display: inline-flex; align-items: center; gap: 6px; }
.b2b-terms .icon { color: var(--c-sky-dark); }
.btn-group--center { justify-content: center; }
@media (max-width: 1023px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 767px) { .steps { grid-template-columns: 1fr; } .b2b-terms { justify-content: flex-start; } }

/* ==========================================================================
   11. Bảng so sánh
   ========================================================================== */
.table-wrap { overflow-x: auto; border-radius: 10px; border: 1px solid var(--c-line); }
.compare-table { width: 100%; border-collapse: collapse; font-size: .92rem; background: #fff; }
.compare-table caption { caption-side: bottom; text-align: left; padding: 10px 12px; color: var(--c-muted); font-size: .84rem; }
.compare-table thead th { background: var(--c-navy); color: #fff; text-align: left; font-weight: 700; padding: 12px; white-space: nowrap; font-size: .84rem; text-transform: uppercase; letter-spacing: .02em; }
.compare-table td, .compare-table tbody th { padding: 10px 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: 700; }
.compare-table__name img { width: 48px; height: 48px; object-fit: contain; border-radius: 6px; background: #fff; border: 1px solid var(--c-line); }
.compare-table__name small { display: block; font-size: .76rem; color: var(--c-sky-dark); font-weight: 700; }
.compare-table .btn { white-space: nowrap; }
.compare-table td:nth-child(7) { min-width: 120px; }
.table-note { font-size: .84rem; color: var(--c-muted); margin: 10px 0 0; text-align: center; }

/* ==========================================================================
   12. In logo (OEM) + thương hiệu
   ========================================================================== */
.oem {
	display: grid; grid-template-columns: 420px 1fr; gap: 36px; align-items: center; padding: 30px; border-radius: var(--r-frame); color: #d9e9f7;
	background: var(--tex-light), var(--grad-navy); background-size: 320px, auto;
}
.oem__media { background: #fff; border-radius: 14px; padding: 10px; transform: rotate(-1.5deg); box-shadow: 0 20px 40px rgba(0, 20, 45, .35); }
.oem__media img { border-radius: 10px; width: 100%; aspect-ratio: 1; object-fit: cover; }
.oem h2 { color: #fff; font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem); font-weight: 900; text-transform: uppercase; }
.oem__points { list-style: none; padding: 0; margin: 0 0 22px; display: flex; flex-wrap: wrap; gap: 8px 20px; color: #fff; font-weight: 500; }
.oem__points li { display: inline-flex; align-items: center; gap: 8px; }
.oem__points .icon { color: var(--c-sky); }

.brands { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.brands li { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 12px; border-radius: 10px; }
.brands li + li { border-left: 1px solid var(--c-line); border-radius: 0; }
.brands__name { font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.5rem); font-weight: 900; letter-spacing: -.02em; line-height: 1.1; }
.brands__name--japani { color: #d9336b; font-style: italic; }
.brands__name--roto { color: #0f7a4e; text-transform: lowercase; }
.brands__name--an-khang { color: #1a8f7e; font-family: Georgia, "Times New Roman", serif; font-weight: 700; }
.brands span { font-size: .86rem; color: var(--c-muted); }

/* ==========================================================================
   13. FAQ + Về chúng tôi + Tin tức
   ========================================================================== */
.faq { max-width: 920px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--c-line); }
.faq__q {
	width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 16px 4px;
	background: none; border: 0; text-align: left; font-weight: 700; font-size: 1rem; 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; transition: transform .2s; }
.faq__q[aria-expanded="true"]::after { content: "–"; background: var(--c-sky); color: #06294b; }
.faq__a { padding: 0 4px 16px; color: var(--c-text); }
.faq__a p:last-child { margin-bottom: 0; }

.about__gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 26px; }
.about__gallery img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; border: 1px solid var(--c-line); border-radius: 8px; }

.news { display: grid; grid-template-columns: 1.15fr 1fr; gap: 22px; }
.news__lead { position: relative; display: block; border-radius: 10px; overflow: hidden; min-height: 300px; background: var(--c-navy); }
.news__lead img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; opacity: .85; transition: transform .4s; }
.news__lead:hover img { transform: scale(1.04); }
.news__lead-body { position: absolute; inset: auto 0 0; padding: 60px 20px 18px; background: linear-gradient(transparent, rgba(6, 30, 55, .9)); color: #e3effa; font-size: .9rem; }
.news__lead-body h3 { color: #fff; font-size: 1.2rem; margin-bottom: 6px; }
.news__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.news__list a { display: grid; grid-template-columns: 120px 1fr; gap: 14px; align-items: center; color: var(--c-head); padding-bottom: 12px; border-bottom: 1px dashed var(--c-line); }
.news__list img { width: 120px; height: 82px; object-fit: cover; border-radius: 6px; }
.news__list h3 { font-size: .98rem; margin: 0 0 4px; }
.news__list a:hover h3 { color: var(--c-primary); }
.news__list time { font-size: .8rem; color: var(--c-muted); }

/* ==========================================================================
   14. Khối báo giá + form + dải đăng ký
   ========================================================================== */
.quote__box { display: grid; grid-template-columns: .9fr 1.1fr; border-radius: var(--r-frame); overflow: hidden; border: 1px solid var(--c-frame); background: #fff; box-shadow: var(--shadow); }
.quote__intro { padding: 34px 30px; color: #d9e9f7; background: var(--tex-light), var(--grad-navy); background-size: 320px, auto; }
.quote__intro h2 { color: #fff; font-size: clamp(1.35rem, 1.1rem + 1vw, 1.8rem); font-weight: 900; text-transform: uppercase; }
.quote__points { list-style: none; padding: 0; margin: 18px 0 24px; display: grid; gap: 10px; color: #fff; }
.quote__points li { display: flex; align-items: center; gap: 10px; }
.quote__points .icon { color: var(--c-sky); }
.quote__phone { display: inline-flex; align-items: center; gap: 12px; padding: 10px 18px 10px 10px; border-radius: 10px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(143, 216, 251, .35); color: #fff; }
.quote__phone > span:first-child { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: var(--c-sky); color: #06294b; }
.quote__phone span { display: flex; flex-direction: column; line-height: 1.2; }
.quote__phone small { font-size: .78rem; color: var(--c-sky-2); }
.quote__phone strong { font-size: 1.3rem; }
.quote__phone:hover { color: #fff; border-color: var(--c-sky); }

.form { padding: 30px; display: grid; gap: 14px; align-content: start; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { display: block; font-size: .86rem; font-weight: 700; 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: 8px; 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, 182, 246, .18); 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: 8px; font-weight: 500; }
.notice--ok { background: #e6f7ee; color: #11643b; border: 1px solid #a8e0c1; }
.notice--err { background: #fdecec; color: #9d1c1c; border: 1px solid #f3b8b8; }

.cta-band { padding: 12px 0 22px; }
.cta-band .container > * { position: relative; }
.cta-band .container { text-align: center; }
.cta-band h2 { margin-bottom: 6px; }
.cta-band p { color: var(--c-muted); }
.cta-band .btn-group { justify-content: center; }

/* ==========================================================================
   15. Trang con: đầu trang, nội dung, sản phẩm, nhu cầu, liên hệ
   ========================================================================== */
.page-hero { padding: 26px 0 30px; background: linear-gradient(rgba(229, 245, 254, .75), rgba(229, 245, 254, .75)), var(--tex) var(--c-sky-soft); border-bottom: 1px solid var(--c-line); margin-bottom: 18px; }
.page-hero--slim { padding: 12px 0; margin-bottom: 8px; }
.page-hero h1 { margin-bottom: 8px; font-weight: 900; }
.page-hero__lead { color: var(--c-muted); max-width: 820px; margin: 0; font-size: 1.04rem; }
.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(--tex-light), var(--c-navy); }
.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: 8px; }
.page-hero__chips a { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--r-pill); background: #fff; border: 1px solid var(--c-frame); font-weight: 700; font-size: .88rem; color: var(--c-navy); }
.page-hero__chips a:hover, .page-hero__chips .is-active a { background: var(--c-sky); border-color: var(--c-sky); color: #06294b; }
.page-hero__chips--blog { justify-content: center; margin: 6px 0 4px; }
.breadcrumb { font-size: .86rem; 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: 500; }

.entry { max-width: 860px; margin: 0 auto; }
.entry--wide { max-width: none; }
.entry h2 { margin-top: 1.6em; font-size: 1.4rem; color: var(--c-navy); }
.entry h2:first-child { margin-top: 0; }
.entry h3 { margin-top: 1.3em; font-size: 1.12rem; }
.entry ul, .entry ol { margin: 0 0 1.1em; }
.entry li { margin-bottom: .4em; }
.entry img { border-radius: 10px; margin: 1em 0; }
.entry table { width: 100%; border-collapse: collapse; margin: 1em 0 1.4em; font-size: .94rem; }
.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 8px 8px 0; }
.entry a { text-decoration: underline; text-underline-offset: 2px; }
article.frame.entry { max-width: 900px; }

.product { display: grid; grid-template-columns: 1fr 1.05fr; gap: 36px; padding-top: 24px; }
.product__main { position: relative; background: #fff; border: 1px solid var(--c-line); border-radius: 10px; overflow: hidden; }
.product__main img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.product__thumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.product__thumbs button { padding: 0; border: 2px solid var(--c-line); border-radius: 8px; overflow: hidden; background: #fff; cursor: pointer; width: 72px; height: 72px; }
.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, 2.1rem); font-weight: 900; margin: 6px 0 10px; }
.product__excerpt { color: var(--c-muted); font-size: 1.04rem; }
.product__price { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 10px; background: var(--c-sky-soft); border: 1px dashed var(--c-frame); 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: .84rem; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .94rem; margin-bottom: 18px; }
.spec-table th, .spec-table td { padding: 8px 10px; border-bottom: 1px solid var(--c-line); text-align: left; }
.spec-table th { width: 38%; color: var(--c-muted); font-weight: 500; }
.spec-table td { color: var(--c-head); font-weight: 500; }
.product__fits { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 6px; }
.product__fits li { display: flex; align-items: center; gap: 8px; }
.product__fits .icon { color: var(--c-sky-dark); }

.with-aside { display: grid; grid-template-columns: 1fr 320px; gap: 22px; align-items: start; }
.aside-box { position: sticky; top: 110px; background: #fff; border: 1px solid var(--c-frame); border-radius: var(--r-frame); padding: 20px; display: grid; gap: 12px; }
.aside-box__title { font-size: 1.05rem; margin: 0; }
.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: 700; font-size: .92rem; }
.aside-box__list img { width: 56px; height: 56px; object-fit: contain; border-radius: 8px; background: var(--c-card); }
.aside-box__list small { display: block; font-weight: 400; color: var(--c-muted); font-size: .78rem; }
.aside-box__phone { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-weight: 700; }

.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.contact-card { display: flex; align-items: center; gap: 14px; padding: 18px; background: #fff; border: 1px solid var(--c-frame); border-radius: var(--r-frame); color: var(--c-head); }
.contact-card small { display: block; color: var(--c-muted); font-size: .82rem; }
.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-navy); color: #fff; }

.card { background: #fff; border: 1px solid var(--c-line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.card__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card__body { padding: 16px; display: flex; flex-direction: column; flex: 1; }
.card__title { font-size: 1.05rem; margin-bottom: 6px; }
.card__title a { color: var(--c-head); }
.card__text { font-size: .92rem; color: var(--c-muted); }
.card__text p { margin: 0 0 8px; }
.card__meta { margin-top: auto; font-size: .8rem; color: var(--c-muted); }
.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: 8px; background: #fff; border: 1px solid var(--c-line); font-weight: 700; }
.pagination .current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* ==========================================================================
   16. Chân trang: dải đăng ký + 4 cột + đáy
   ========================================================================== */
.site-footer { margin-top: 26px; background: linear-gradient(rgba(234, 246, 254, .8), rgba(234, 246, 254, .8)), var(--tex) #eaf6fe; color: var(--c-text); }
.signup { background: var(--tex-light), var(--c-navy); background-size: 320px, auto; color: #fff; }
.signup__inner { display: flex; align-items: center; justify-content: space-between; gap: 18px 30px; flex-wrap: wrap; padding-top: 20px; padding-bottom: 20px; }
.signup__text { display: flex; align-items: center; gap: 14px; max-width: 520px; }
.signup__text p { margin: 0; color: #d9e9f7; }
.signup__text strong { color: #fff; text-transform: uppercase; }
.signup__icon { width: 52px; height: 52px; flex: none; border-radius: 50%; display: grid; place-items: center; border: 2px solid var(--c-sky); color: var(--c-sky); }
.signup__form { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px; background: rgba(255, 255, 255, .1); border-radius: 10px; }
.signup__form input { width: 210px; padding: .65em .9em; border: 0; border-radius: 6px; background: #fff; color: var(--c-text); }
.signup__form .notice { flex-basis: 100%; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 30px; padding-top: 40px; padding-bottom: 34px; }
.site-footer h3 { font-size: 1rem; text-transform: uppercase; color: var(--c-navy); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--c-sky); display: inline-block; }
.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: 5px 0; border-bottom: 1px dashed var(--c-line); font-size: .94rem; }
.site-footer__brand p { font-size: .92rem; color: var(--c-muted); margin: 14px 0; }
.site-footer__contact li { display: flex; align-items: center; gap: 8px; font-size: .94rem; }
.site-footer__contact .icon { color: var(--c-primary); }
.site-footer__contact a { font-weight: 700; color: var(--c-navy); }
.site-footer__bottom { background: var(--c-navy-2); color: #b9cde0; text-align: center; font-size: .86rem; padding: 12px 0; }

/* ==========================================================================
   17. Nút liên hệ nổi — desktop: cột nút tròn góc phải (như mẫu); mobile: thanh dưới đáy
   ========================================================================== */
.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: kgr-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 kgr-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 { animation: none; } html { scroll-behavior: auto; } }

/* ==========================================================================
   18. Responsive
   ========================================================================== */
@media (max-width: 1180px) {
	.header-hotline small { display: none; }
	.primary-nav > ul > li > a { padding: 10px 8px; font-size: .88rem; }
	.catblock__body { grid-template-columns: 230px 1fr; }
	.catblock--flip .catblock__body { grid-template-columns: 1fr 230px; }
	.p-grid--4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1023px) {
	.site-header__inner { min-height: 68px; gap: 12px; }
	.site-logo__mark { width: 40px; height: 40px; }
	.site-logo__name { font-size: 1.15rem; }
	.header-hotline, .header-search-wrap { display: none; }
	.header-call, .nav-toggle { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; border: 0; cursor: pointer; flex: none; }
	.header-call { margin-left: auto; background: var(--c-sky); color: #06294b; }
	.nav-toggle { background: var(--c-navy); 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; align-items: stretch;
		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: 12px; right: calc(min(88vw, 380px) + 10px); z-index: 80; }
	.primary-nav .header-search--drawer { display: flex; margin-bottom: 12px; }
	.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: .95rem; }
	.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: 0; border-left: 2px 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; }

	.topbar__links { display: none; }
	.topbar__more { display: none; }
	.topbar__inner { justify-content: center; min-height: 36px; font-size: .74rem; text-align: center; }

	.hero__inner { grid-template-columns: 1fr; min-height: 0; gap: 26px; padding-top: 34px; padding-bottom: 36px; }
	.hero__media { height: 320px; max-width: 480px; width: 100%; margin: 0 auto; }
	.grid--4 { grid-template-columns: repeat(2, 1fr); }
	.promises { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
	.slider__track { grid-auto-columns: calc((100% - 2 * 14px) / 3); }
	.catblock__body, .catblock--flip .catblock__body { grid-template-columns: 1fr; }
	.catblock--flip .catbanner { order: 0; }
	.catbanner { display: grid; grid-template-columns: 150px 1fr; grid-template-areas: "img brand" "img title" "img sub" "img text" "img cta"; text-align: left; align-items: center; column-gap: 18px; padding: 18px; }
	.catbanner__img { grid-area: img; width: 100%; margin: 0; }
	.catbanner__brand { grid-area: brand; } .catbanner__title { grid-area: title; font-size: 1.3rem; } .catbanner__sub { grid-area: sub; } .catbanner__text { grid-area: text; } .catbanner__cta { grid-area: cta; justify-self: start; margin-top: 6px; }
	.oem { grid-template-columns: 1fr; padding: 22px; }
	.oem__media { max-width: 360px; }
	.news { grid-template-columns: 1fr; }
	.quote__box { grid-template-columns: 1fr; }
	.product { grid-template-columns: 1fr; gap: 22px; }
	.with-aside { grid-template-columns: 1fr; }
	.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; }
}

@media (max-width: 767px) {
	.section { padding: 11px 0; }
	.frame { padding: 40px 14px 16px; }
	.frame__title { padding: 8px 18px; white-space: normal; text-align: center; line-height: 1.25; }
	.frame__tab { width: max-content; }
	.hero__title { font-size: 1.95rem; }
	.hero__media { height: 270px; }
	.hero__badges { gap: 8px 16px; font-size: .86rem; }
	.hero .btn-group .btn { flex: 1 1 auto; }
	.p-grid, .p-grid--3, .p-grid--4 { grid-template-columns: repeat(2, 1fr); gap: 10px; }
	.p-card { padding: 7px; }
	.p-card__title { font-size: .9rem; }
	.p-card__specs { font-size: .78rem; }
	.p-card__badge { width: 38px; height: 38px; font-size: .92rem; }
	.slider__track { grid-auto-columns: 46%; gap: 10px; }
	.slider__btn { display: none; }
	.catblock__bar { padding: 12px 14px; }
	.catblock__chips { margin-left: 0; }
	.catblock__body { padding: 10px; }
	.catbanner { grid-template-columns: 110px 1fr; column-gap: 14px; }
	.catbanner__text { display: none; }
	.grid--3, .grid--2 { grid-template-columns: 1fr; }
	.grid--4 { grid-template-columns: 1fr; }
	.brands { grid-template-columns: 1fr; gap: 0; }
	.brands li + li { border-left: 0; border-top: 1px solid var(--c-line); }
	.about__gallery { grid-template-columns: 1fr 1fr; }
	.news__list a { grid-template-columns: 96px 1fr; }
	.news__list img { width: 96px; height: 70px; }
	.form { padding: 20px 16px; }
	.form__row { grid-template-columns: 1fr; }
	.form .btn { width: 100%; }
	.quote__intro { padding: 24px 18px; }
	.contact-cards { grid-template-columns: 1fr; }
	.signup__form { width: 100%; }
	.signup__form input { flex: 1 1 140px; width: auto; }
	.signup__form .btn { flex: 1 1 100%; }
	.site-footer__grid { grid-template-columns: 1fr; gap: 22px; }

	/* 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: 10px; 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; }
	.compare-table td::before { content: attr(data-label); color: var(--c-muted); }
	.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; }
}