/* ==========================================================================
   MayPro — Template thiết bị & máy xây dựng
   Design system + components. Vanilla CSS, không cần build step.
   Sửa biến trong :root để đổi toàn bộ nhận diện.
   ========================================================================== */

/* ==========================================================================
   0. Font tự host (Be Vietnam Pro, SIL Open Font License 1.1)
   --------------------------------------------------------------------------
   Trước đây font gọi từ Google Fonts. Tự host để: CSP không phải mở cho
   host ngoài, không rò referrer sang bên thứ ba, và trang không phụ thuộc
   một CDN khác khi tải. Giấy phép kèm tại assets/fonts/OFL.txt.
   Subset 'vietnamese' là phần mang dấu tiếng Việt, đừng xoá.
   ========================================================================== */

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/bevietnampro-400-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/bevietnampro-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/bevietnampro-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/bevietnampro-500-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/bevietnampro-500-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/bevietnampro-500-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/bevietnampro-600-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/bevietnampro-600-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/bevietnampro-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/bevietnampro-700-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/bevietnampro-700-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/bevietnampro-700-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/bevietnampro-800-vietnamese.woff2') format('woff2');
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/bevietnampro-800-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Be Vietnam Pro';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url('../fonts/bevietnampro-800-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- 1. Tokens ---------- */
:root {
  /* Màu nền & bề mặt */
  --bg: #ffffff;
  --surface: #f6f7f9;
  --surface-2: #eef0f4;
  --card: #ffffff;
  --border: #e4e7ee;
  --border-strong: #d3d8e3;

  /* Chữ */
  --text: #0e1626;
  --text-2: #4a5568;
  --text-3: #7b859a;

  /* Thương hiệu */
  --accent: #f4610a;
  --accent-2: #d94d00;
  --accent-soft: #fff2e8;
  --ink: #0b1220;

  /* Trạng thái */
  --ok: #12855a;
  --ok-soft: #e8f6f0;
  --star: #f5a524;
  --danger: #d3382f;

  /* Bán kính */
  --r-xs: 8px;
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 18px;
  --r-xl: 26px;
  --r-full: 999px;

  /* Đổ bóng */
  --sh-1: 0 1px 2px rgba(14, 22, 38, .06), 0 1px 3px rgba(14, 22, 38, .04);
  --sh-2: 0 4px 14px rgba(14, 22, 38, .08);
  --sh-3: 0 14px 38px rgba(14, 22, 38, .13);
  --sh-accent: 0 8px 20px rgba(244, 97, 10, .28);

  /* Chuyển động */
  --e-out: cubic-bezier(.16, 1, .3, 1);
  --e-io: cubic-bezier(.65, 0, .35, 1);
  --t1: 140ms;
  --t2: 240ms;
  --t3: 420ms;

  /* Layout */
  --wrap: 1240px;
  --gutter: 20px;
  --header-h: 76px;

  --ff: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="dark"] {
  --bg: #0a1018;
  --surface: #101a25;
  --surface-2: #18232f;
  --card: #111b27;
  --border: #22303f;
  --border-strong: #2f4053;
  --text: #e8edf4;
  --text-2: #9aa6b8;
  --text-3: #78849a;
  --accent: #ff7a2f;
  --accent-2: #ff9354;
  --accent-soft: #2a1608;
  --ok: #34d399;
  --ok-soft: #0f2a22;
  --sh-1: 0 1px 2px rgba(0, 0, 0, .5);
  --sh-2: 0 4px 16px rgba(0, 0, 0, .45);
  --sh-3: 0 16px 40px rgba(0, 0, 0, .55);
  --sh-accent: 0 8px 20px rgba(255, 122, 47, .22);
  color-scheme: dark;
}

/* ---------- 2. Reset & nền tảng ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  font-family: var(--ff);
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

h1, h2, h3, h4 { margin: 0; line-height: 1.22; font-weight: 700; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

::selection { background: var(--accent); color: #fff; }

.skip {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  background: var(--accent); color: #fff;
  padding: 10px 16px; border-radius: var(--r-sm); font-weight: 600;
  transition: top var(--t2) var(--e-out);
}
.skip:focus { top: 16px; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- 3. Typography helpers ---------- */
.h1 { font-size: clamp(2rem, 1.3rem + 3.2vw, 3.4rem); }
.h2 { font-size: clamp(1.5rem, 1.15rem + 1.5vw, 2.15rem); }
.h3 { font-size: clamp(1.15rem, 1.02rem + .6vw, 1.4rem); }
.lead { font-size: clamp(1rem, .96rem + .3vw, 1.15rem); color: var(--text-2); }
.muted { color: var(--text-2); }
.tiny { font-size: 13px; }

/* ---------- 4. Buttons ---------- */
.btn {
  --btn-bg: var(--surface-2);
  --btn-fg: var(--text);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 20px;
  border-radius: var(--r-full);
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 600; font-size: 14.5px;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: transform var(--t1) var(--e-out), background var(--t2), box-shadow var(--t2), border-color var(--t2), color var(--t2);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.975); }
.btn svg { flex: none; }

.btn-primary { --btn-bg: var(--accent); --btn-fg: #fff; box-shadow: var(--sh-accent); }
.btn-primary:hover { --btn-bg: var(--accent-2); }

.btn-ghost { --btn-bg: transparent; border-color: var(--border-strong); }
.btn-ghost:hover { --btn-bg: var(--surface); border-color: var(--accent); color: var(--accent); }

.btn-soft { --btn-bg: var(--accent-soft); --btn-fg: var(--accent); }
.btn-soft:hover { --btn-bg: var(--accent); --btn-fg: #fff; }

.btn-lg { padding: 15px 28px; font-size: 16px; }
.btn-sm { padding: 9px 15px; font-size: 13.5px; }
.btn-block { width: 100%; }

/* ---------- 5. Badges & chips ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 11px; border-radius: var(--r-full);
  font-size: 12px; font-weight: 600; letter-spacing: .01em;
  background: var(--surface-2); color: var(--text-2);
}
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-sale { background: var(--danger); color: #fff; }

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 15px; border-radius: var(--r-full);
  border: 1px solid var(--border); background: var(--card);
  font-size: 13.5px; font-weight: 500; color: var(--text-2);
  transition: all var(--t2) var(--e-out);
}
.chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.chip[aria-pressed="true"], .chip.is-on {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* ---------- 6. Topbar ---------- */
.topbar {
  background: var(--ink); color: #cfd7e4;
  font-size: 13px;
}
:root[data-theme="dark"] .topbar { background: #060b12; }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 38px; }
.topbar a { color: inherit; transition: color var(--t2); }
.topbar a:hover { color: #fff; }
.topbar__list { display: flex; align-items: center; gap: 18px; }
.topbar__list li { display: flex; align-items: center; gap: 6px; }
@media (max-width: 860px) { .topbar__list--right { display: none; } }

/* ---------- 7. Header ---------- */
.header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--t3) var(--e-out), background var(--t3);
}
@supports not (backdrop-filter: blur(1px)) { .header { background: var(--bg); } }
.header.is-stuck { box-shadow: var(--sh-2); }

.header__in {
  display: flex; align-items: center; gap: 18px;
  height: var(--header-h);
  transition: height var(--t3) var(--e-out);
}
.header.is-stuck .header__in { height: 64px; }

/* Logo */
.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo__mark {
  width: 40px; height: 40px; flex: none;
  border-radius: 12px;
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  box-shadow: var(--sh-accent);
  transition: transform var(--t2) var(--e-out);
}
.logo:hover .logo__mark { transform: rotate(-8deg) scale(1.06); }
.logo__mark svg { width: 22px; height: 22px; color: #fff; }
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__name { font-weight: 800; font-size: 19px; letter-spacing: -.03em; }
.logo__name em { font-style: normal; color: var(--accent); }
.logo__tag { font-size: 11px; color: var(--text-3); letter-spacing: .02em; }
@media (max-width: 520px) { .logo__tag { display: none; } }

/* Search */
.search { position: relative; flex: 1 1 auto; max-width: 470px; }
.search__field {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1.5px solid var(--border);
  border-radius: var(--r-full); padding: 0 6px 0 16px;
  transition: border-color var(--t2), background var(--t2), box-shadow var(--t2);
}
.search__field:focus-within {
  border-color: var(--accent); background: var(--card);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent);
}
.search__field svg { width: 18px; height: 18px; color: var(--text-3); flex: none; }
.search input {
  flex: 1; min-width: 0; height: 44px;
  border: 0; background: none; outline: none; font-size: 14.5px;
}
.search input::placeholder { color: var(--text-3); }
.search__go { padding: 8px 16px; border-radius: var(--r-full); background: var(--accent); color: #fff; font-weight: 600; font-size: 13.5px; transition: background var(--t2); }
.search__go:hover { background: var(--accent-2); }
@media (max-width: 900px) { .search { display: none; } }

/* Suggest dropdown */
.suggest {
  position: absolute; left: 0; right: 0; top: calc(100% + 8px);
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); box-shadow: var(--sh-3);
  padding: 8px; z-index: 20;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity var(--t2) var(--e-out), transform var(--t2) var(--e-out), visibility var(--t2);
}
.suggest.is-open { opacity: 1; visibility: visible; transform: none; }
.suggest a { display: flex; gap: 11px; align-items: center; padding: 9px 10px; border-radius: var(--r-xs); transition: background var(--t1); }
.suggest a:hover { background: var(--surface); }
.suggest img { width: 40px; height: 40px; border-radius: var(--r-xs); background: var(--surface-2); }
.suggest__name { font-weight: 500; font-size: 14px; }
.suggest__price { font-size: 13px; color: var(--accent); font-weight: 600; }
.suggest__empty { padding: 14px 12px; color: var(--text-3); font-size: 14px; }

/* Header actions */
.hactions { display: flex; align-items: center; gap: 8px; margin-left: auto; flex: none; }

.hotline { display: flex; align-items: center; gap: 10px; padding-right: 4px; }
.hotline__ic { width: 38px; height: 38px; border-radius: var(--r-full); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: none; }
.hotline__ic svg { width: 18px; height: 18px; }
.hotline__t { display: flex; flex-direction: column; line-height: 1.2; }
.hotline__t span { font-size: 11px; color: var(--text-3); }
.hotline__t strong { font-size: 15px; letter-spacing: -.01em; }
@media (max-width: 1080px) { .hotline { display: none; } }

.iconbtn {
  position: relative;
  width: 42px; height: 42px; border-radius: var(--r-full);
  display: grid; place-items: center;
  color: var(--text-2);
  transition: background var(--t2), color var(--t2), transform var(--t1) var(--e-out);
}
.iconbtn:hover { background: var(--surface-2); color: var(--text); transform: translateY(-2px); }
.iconbtn:active { transform: scale(.94); }
.iconbtn svg { width: 21px; height: 21px; }
.iconbtn__count {
  position: absolute; top: 2px; right: 1px;
  min-width: 19px; height: 19px; padding: 0 5px;
  border-radius: var(--r-full);
  background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 700;
  display: grid; place-items: center;
  border: 2px solid var(--bg);
  transition: transform var(--t2) var(--e-out);
}
.iconbtn__count[data-empty="true"] { transform: scale(0); }
.iconbtn__count.is-bump { animation: bump var(--t3) var(--e-out); }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.45); } 100% { transform: scale(1); } }

.burger { display: none; }
@media (max-width: 1000px) { .burger { display: grid; } }

/* ---------- 8. Nav ---------- */
.nav { border-bottom: 1px solid var(--border); background: var(--bg); }
@media (max-width: 1000px) { .nav { display: none; } }
.nav__in { display: flex; align-items: center; gap: 4px; }
.nav__link {
  position: relative;
  display: flex; align-items: center; gap: 7px;
  padding: 14px 14px;
  font-size: 14.5px; font-weight: 500; color: var(--text-2);
  transition: color var(--t2);
}
.nav__link::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 0; height: 2px;
  background: var(--accent); border-radius: 2px 2px 0 0;
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--t2) var(--e-out);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--accent); font-weight: 600; }
.nav__link svg { width: 15px; height: 15px; transition: transform var(--t2) var(--e-out); }

.has-mega { position: relative; }
.has-mega:hover .nav__link svg, .has-mega.is-open .nav__link svg { transform: rotate(180deg); }

.mega {
  position: absolute; left: 0; top: 100%; z-index: 55;
  width: min(720px, 92vw);
  background: var(--card); border: 1px solid var(--border);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  box-shadow: var(--sh-3);
  padding: 18px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px;
  opacity: 0; visibility: hidden; transform: translateY(-10px);
  transition: opacity var(--t2) var(--e-out), transform var(--t3) var(--e-out), visibility var(--t2);
}
.has-mega:hover .mega, .has-mega.is-open .mega { opacity: 1; visibility: visible; transform: none; }
.mega a { display: flex; align-items: center; gap: 11px; padding: 10px; border-radius: var(--r-sm); transition: background var(--t1), transform var(--t1) var(--e-out); }
.mega a:hover { background: var(--surface); transform: translateX(3px); }
.mega__ic { width: 34px; height: 34px; border-radius: var(--r-xs); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: none; }
.mega__ic svg { width: 17px; height: 17px; }
.mega__t { font-size: 14px; font-weight: 500; }
.mega__c { font-size: 12px; color: var(--text-3); }

/* ---------- 9. Drawer (mobile nav) + Cart ---------- */
.scrim {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(8, 13, 22, .55);
  backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden;
  transition: opacity var(--t3) var(--e-out), visibility var(--t3);
}
.scrim.is-open { opacity: 1; visibility: visible; }

.panel {
  position: fixed; top: 0; bottom: 0; z-index: 90;
  width: min(400px, 88vw);
  background: var(--bg);
  display: flex; flex-direction: column;
  box-shadow: var(--sh-3);
  transition: transform var(--t3) var(--e-out);
}
.panel--left { left: 0; transform: translateX(-102%); }
.panel--right { right: 0; transform: translateX(102%); }
.panel.is-open { transform: none; }

.panel__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 18px; border-bottom: 1px solid var(--border); flex: none;
}
.panel__head h2 { font-size: 17px; }
.panel__body { flex: 1; overflow-y: auto; padding: 12px 12px 24px; overscroll-behavior: contain; }
.panel__foot { flex: none; padding: 16px 18px; border-top: 1px solid var(--border); background: var(--surface); }

.mnav a, .mnav button.mnav__parent {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  width: 100%; text-align: left;
  padding: 13px 14px; border-radius: var(--r-sm);
  font-size: 15px; font-weight: 500;
  transition: background var(--t1);
}
.mnav a:hover, .mnav button.mnav__parent:hover { background: var(--surface); }
.mnav__parent svg { width: 16px; height: 16px; transition: transform var(--t2) var(--e-out); }
.mnav__parent[aria-expanded="true"] svg { transform: rotate(180deg); }
.mnav__sub {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows var(--t3) var(--e-out);
}
.mnav__sub[data-open="true"] { grid-template-rows: 1fr; }
.mnav__sub > div { overflow: hidden; }
.mnav__sub a { padding-left: 30px; font-weight: 400; color: var(--text-2); font-size: 14.5px; }

/* Cart items */
.citem { display: grid; grid-template-columns: 62px 1fr auto; gap: 12px; padding: 12px; border-radius: var(--r); transition: background var(--t2); }
.citem:hover { background: var(--surface); }
.citem img { width: 62px; height: 62px; border-radius: var(--r-xs); background: var(--surface-2); object-fit: cover; }
.citem__name { font-size: 14px; font-weight: 500; margin-bottom: 4px; }
.citem__price { font-size: 13.5px; color: var(--accent); font-weight: 600; }
.citem__x { color: var(--text-3); align-self: start; transition: color var(--t2), transform var(--t1); }
.citem__x:hover { color: var(--danger); transform: scale(1.15); }
.citem.is-out { animation: fadeOut var(--t3) var(--e-out) forwards; }
@keyframes fadeOut { to { opacity: 0; transform: translateX(24px); } }

.cart__empty { text-align: center; padding: 56px 20px; color: var(--text-3); }
.cart__empty svg { width: 54px; height: 54px; margin: 0 auto 14px; color: var(--border-strong); }
.cart__sum { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.cart__sum strong { font-size: 21px; color: var(--accent); }

/* Stepper */
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: var(--r-full); overflow: hidden; }
.stepper button { width: 38px; height: 40px; display: grid; place-items: center; color: var(--text-2); transition: background var(--t1), color var(--t1); }
.stepper button:hover { background: var(--surface-2); color: var(--accent); }
.stepper input { width: 46px; height: 40px; text-align: center; border: 0; border-inline: 1px solid var(--border); background: none; font-weight: 600; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* ---------- 10. Toast ---------- */
.toasts { position: fixed; left: 50%; bottom: 26px; z-index: 120; display: grid; gap: 10px; justify-items: center; translate: -50% 0; pointer-events: none; width: max-content; max-width: 92vw; }
.toast {
  display: flex; align-items: center; gap: 11px;
  padding: 13px 18px; border-radius: var(--r-full);
  background: var(--ink); color: #fff;
  font-size: 14px; font-weight: 500;
  box-shadow: var(--sh-3);
  animation: toastIn var(--t3) var(--e-out);
}
.toast svg { width: 18px; height: 18px; color: #4ade80; flex: none; }
.toast--bad svg { color: #fca5a5; }

/* Honeypot của form liên hệ: ẩn khỏi mắt người và khỏi trình đọc màn hình,
   nhưng vẫn nằm trong DOM để bot tự động điền vào. Không dùng display:none —
   vài bot bỏ qua trường bị ẩn kiểu đó. */
.hp {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}
.toast.is-out { animation: toastOut var(--t2) var(--e-io) forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(16px) scale(.96); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(10px) scale(.97); } }

/* ---------- 11. Hero ---------- */
.hero { position: relative; overflow: hidden; background: var(--surface); }
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto; height: 130%;
  background:
    radial-gradient(46% 46% at 18% 22%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(40% 40% at 82% 12%, color-mix(in srgb, #2563eb 16%, transparent), transparent 70%),
    radial-gradient(50% 50% at 60% 85%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 70%);
  filter: blur(10px);
  animation: drift 26s var(--e-io) infinite alternate;
}
@keyframes drift { to { transform: translate3d(-3%, 2%, 0) scale(1.08); } }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 40%, #000, transparent 75%);
  opacity: .5;
}
.hero__in {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 46px; align-items: center;
  padding-block: clamp(40px, 5vw, 76px);
}
@media (max-width: 900px) { .hero__in { grid-template-columns: 1fr; gap: 34px; } }

.hero h1 { margin-bottom: 16px; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; }
.hero__trust li { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-2); }
.hero__trust svg { width: 17px; height: 17px; color: var(--ok); flex: none; }

.hero__visual { position: relative; }
.hero__card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 18px;
  box-shadow: var(--sh-3);
  animation: float 7s var(--e-io) infinite alternate;
}
@keyframes float { to { transform: translateY(-14px); } }
.hero__card img { border-radius: var(--r-lg); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--surface-2); }
.hero__row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.hero__pill {
  position: absolute; z-index: 2;
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-full); padding: 10px 16px;
  box-shadow: var(--sh-2); font-size: 13.5px; font-weight: 600;
  animation: float 5.5s var(--e-io) infinite alternate-reverse;
}
.hero__pill svg { width: 17px; height: 17px; color: var(--accent); }
.hero__pill--a { left: -18px; bottom: 52px; }
.hero__pill--b { right: -10px; top: 34px; }
@media (max-width: 560px) { .hero__pill { display: none; } }

/* ---------- 12. Sections ---------- */
.sec { padding-block: clamp(42px, 5vw, 72px); }
.sec--tint { background: var(--surface); }
.sec__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.sec__head p { margin-top: 7px; }
.sec__link { display: inline-flex; align-items: center; gap: 7px; color: var(--accent); font-weight: 600; font-size: 14.5px; flex: none; }
.sec__link svg { width: 16px; height: 16px; transition: transform var(--t2) var(--e-out); }
.sec__link:hover svg { transform: translateX(4px); }
.eyebrow { display: inline-block; font-size: 12.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 9px; }
@media (max-width: 640px) { .sec__head { flex-direction: column; align-items: flex-start; } }

/* ---------- 13. Category tiles ---------- */
.cats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 900px) { .cats { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .cats { grid-template-columns: repeat(2, 1fr); gap: 10px; } }

.cat {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; gap: 12px;
  padding: 20px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg);
  transition: transform var(--t2) var(--e-out), box-shadow var(--t2), border-color var(--t2);
}
.cat::after {
  content: ""; position: absolute; right: -30px; bottom: -30px;
  width: 96px; height: 96px; border-radius: var(--r-full);
  background: var(--accent-soft);
  transition: transform var(--t3) var(--e-out);
}
.cat:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.cat:hover::after { transform: scale(2.4); }
.cat__ic {
  position: relative; z-index: 1;
  width: 46px; height: 46px; border-radius: var(--r-sm);
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center;
  transition: background var(--t2), color var(--t2), transform var(--t2) var(--e-out);
}
.cat:hover .cat__ic { background: var(--accent); color: #fff; transform: scale(1.08) rotate(-6deg); }
.cat__ic svg { width: 23px; height: 23px; }
.cat__t { position: relative; z-index: 1; font-weight: 600; font-size: 15px; }
.cat__c { position: relative; z-index: 1; font-size: 13px; color: var(--text-3); margin-top: -6px; }

/* ---------- 14. Product card ---------- */
.grid-p { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
@media (max-width: 1000px) { .grid-p { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .grid-p { grid-template-columns: repeat(2, 1fr); gap: 12px; } }

.prod {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: transform var(--t2) var(--e-out), box-shadow var(--t3), border-color var(--t2);
}
.prod:hover { transform: translateY(-6px); box-shadow: var(--sh-3); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }

.prod__media { position: relative; aspect-ratio: 1; background: var(--surface); overflow: hidden; }
.prod__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t3) var(--e-out), opacity var(--t3); }
.prod:hover .prod__media img { transform: scale(1.06); }
.prod__flags { position: absolute; left: 10px; top: 10px; display: grid; gap: 6px; justify-items: start; z-index: 2; }

.prod__quick {
  position: absolute; inset-inline: 10px; bottom: 10px; z-index: 2;
  display: flex; gap: 8px;
  opacity: 0; transform: translateY(10px);
  transition: opacity var(--t2) var(--e-out), transform var(--t2) var(--e-out);
}
.prod:hover .prod__quick, .prod:focus-within .prod__quick { opacity: 1; transform: none; }
.prod__quick .btn { flex: 1; padding: 10px 12px; font-size: 13.5px; backdrop-filter: blur(6px); }

.prod__body { display: flex; flex-direction: column; gap: 8px; padding: 14px; flex: 1; }
.prod__cat { font-size: 12px; color: var(--text-3); letter-spacing: .01em; }
.prod__name { font-size: 14.5px; font-weight: 600; line-height: 1.4; }
.prod__name a { transition: color var(--t2); }
.prod__name a:hover { color: var(--accent); }
.prod__meta { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-3); }
.stars { display: inline-flex; gap: 1px; color: var(--star); }
.stars svg { width: 13px; height: 13px; }
.prod__foot { margin-top: auto; display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; }
.prod__price { display: flex; flex-direction: column; }
.prod__price b { font-size: 16.5px; color: var(--accent); letter-spacing: -.02em; }
.prod__price s { font-size: 12.5px; color: var(--text-3); }

/* Rail (scroll-snap carousel) */
.rail-wrap { position: relative; }
.rail {
  display: grid; grid-auto-flow: column; grid-auto-columns: minmax(232px, 1fr);
  gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory;
  padding-bottom: 6px; scrollbar-width: none;
  scroll-behavior: smooth; overscroll-behavior-x: contain;
}
.rail::-webkit-scrollbar { display: none; }
.rail > * { scroll-snap-align: start; }
.rail-nav { display: flex; gap: 8px; }
.rail-btn {
  width: 40px; height: 40px; border-radius: var(--r-full);
  border: 1px solid var(--border); background: var(--card);
  display: grid; place-items: center; color: var(--text-2);
  transition: all var(--t2) var(--e-out);
}
.rail-btn:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.rail-btn:disabled { opacity: .38; cursor: default; }
.rail-btn svg { width: 18px; height: 18px; }

/* ---------- 15. Feature strip ---------- */
.feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) { .feats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .feats { grid-template-columns: 1fr; } }
.feat { display: flex; gap: 14px; align-items: flex-start; padding: 20px; background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); transition: transform var(--t2) var(--e-out), box-shadow var(--t2); }
.feat:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.feat__ic { width: 44px; height: 44px; flex: none; border-radius: var(--r-sm); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.feat__ic svg { width: 22px; height: 22px; }
.feat h3 { font-size: 15px; margin-bottom: 4px; }
.feat p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 16. Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { text-align: center; padding: 24px 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); }
.stat b { display: block; font-size: clamp(1.7rem, 1.3rem + 1.6vw, 2.4rem); color: var(--accent); letter-spacing: -.03em; }
.stat span { font-size: 13.5px; color: var(--text-2); }

/* ---------- 17. CTA banner ---------- */
.cta {
  position: relative; overflow: hidden;
  border-radius: var(--r-xl); padding: clamp(28px, 4vw, 52px);
  background: linear-gradient(125deg, var(--ink), #1b2a3f 60%, #24384f);
  color: #fff;
  display: grid; grid-template-columns: 1.4fr auto; gap: 26px; align-items: center;
}
.cta::before {
  content: ""; position: absolute; right: -8%; top: -60%; width: 62%; height: 220%;
  background: radial-gradient(50% 50% at 50% 50%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 70%);
  animation: drift 20s var(--e-io) infinite alternate;
}
.cta > * { position: relative; z-index: 1; }
.cta h2 { color: #fff; margin-bottom: 10px; }
.cta p { color: #b9c4d4; }
@media (max-width: 760px) { .cta { grid-template-columns: 1fr; } }

/* ---------- 18. Blog cards ---------- */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 900px) { .posts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .posts { grid-template-columns: 1fr; } }
.post { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--border); border-radius: var(--r-lg); overflow: hidden; transition: transform var(--t2) var(--e-out), box-shadow var(--t3); }
.post:hover { transform: translateY(-5px); box-shadow: var(--sh-3); }
.post__media { aspect-ratio: 16 / 10; background: var(--surface); overflow: hidden; }
.post__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t3) var(--e-out); }
.post:hover .post__media img { transform: scale(1.05); }
.post__body { padding: 16px; display: flex; flex-direction: column; gap: 9px; flex: 1; }
.post h3 { font-size: 15.5px; line-height: 1.42; }
.post h3 a:hover { color: var(--accent); }
.post__meta { margin-top: auto; font-size: 12.5px; color: var(--text-3); display: flex; gap: 12px; }

/* ---------- 19. Brands ---------- */
.brands { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.brand {
  display: grid; place-items: center;
  min-width: 148px; height: 68px; padding: 0 22px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--r);
  font-weight: 700; letter-spacing: .04em; color: var(--text-3);
  transition: all var(--t2) var(--e-out);
}
.brand:hover { color: var(--accent); border-color: var(--accent); transform: translateY(-3px); box-shadow: var(--sh-2); }

/* ---------- 20. Breadcrumb & page head ---------- */
.crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-block: 16px; font-size: 13.5px; color: var(--text-3); }
.crumb a { transition: color var(--t2); }
.crumb a:hover { color: var(--accent); }
.crumb svg { width: 14px; height: 14px; opacity: .6; }
.crumb [aria-current] { color: var(--text); font-weight: 500; }

.phead { background: var(--surface); border-bottom: 1px solid var(--border); padding-block: 26px 30px; }
.phead p { margin-top: 8px; max-width: 62ch; }

/* ---------- 21. Shop layout ---------- */
.shop { display: grid; grid-template-columns: 258px 1fr; gap: 26px; align-items: start; padding-block: 28px 60px; }
@media (max-width: 940px) { .shop { grid-template-columns: 1fr; } }

.filters { position: sticky; top: calc(var(--header-h) + 16px); display: grid; gap: 12px; }
@media (max-width: 940px) {
  .filters {
    position: fixed; inset: auto 0 0 0; z-index: 90; top: auto;
    max-height: 82vh; overflow-y: auto;
    background: var(--bg); border-radius: var(--r-xl) var(--r-xl) 0 0;
    padding: 18px; box-shadow: var(--sh-3);
    transform: translateY(102%);
    transition: transform var(--t3) var(--e-out);
  }
  .filters.is-open { transform: none; }
}
.fbox { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 16px; }
.fbox h3 { font-size: 14px; margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; }
.fopt { display: flex; align-items: center; gap: 10px; padding: 7px 0; font-size: 14px; color: var(--text-2); cursor: pointer; transition: color var(--t1); }
.fopt:hover { color: var(--text); }
.fopt input { appearance: none; width: 18px; height: 18px; flex: none; border: 1.5px solid var(--border-strong); border-radius: 5px; background: var(--card); transition: all var(--t1) var(--e-out); position: relative; }
.fopt input:checked { background: var(--accent); border-color: var(--accent); }
.fopt input:checked::after { content: ""; position: absolute; left: 5px; top: 2px; width: 5px; height: 9px; border: 2px solid #fff; border-top: 0; border-left: 0; transform: rotate(42deg); }
.fopt input[type="radio"] { border-radius: var(--r-full); }
.fopt input[type="radio"]:checked::after { left: 4px; top: 4px; width: 6px; height: 6px; border: 0; border-radius: var(--r-full); background: #fff; transform: none; }
.fopt span:last-child { margin-left: auto; font-size: 12.5px; color: var(--text-3); }

.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.toolbar__count { font-size: 14px; color: var(--text-2); }
.toolbar__count b { color: var(--text); }
.select {
  appearance: none;
  padding: 10px 38px 10px 14px; border-radius: var(--r-full);
  border: 1px solid var(--border); background: var(--card);
  font-size: 14px; font-weight: 500; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237b859a' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center;
  transition: border-color var(--t2);
}
.select:hover { border-color: var(--accent); }
.fbtn { display: none; }
@media (max-width: 940px) { .fbtn { display: inline-flex; } }

.prod.is-hidden { display: none; }
.prod.is-in { animation: cardIn var(--t3) var(--e-out) backwards; }
@keyframes cardIn { from { opacity: 0; transform: translateY(12px) scale(.985); } }

.empty { grid-column: 1 / -1; text-align: center; padding: 64px 20px; color: var(--text-3); }
.empty svg { width: 56px; height: 56px; margin: 0 auto 14px; color: var(--border-strong); }

/* [hidden] mặc định là display:none, nhưng display:flex ở đây thắng nó —
   phải khai lại, nếu không pager rỗng vẫn chiếm chỗ khi chỉ có 1 trang. */
.pager { display: flex; justify-content: center; gap: 7px; margin-top: 34px; flex-wrap: wrap; }
.pager[hidden] { display: none; }
.pager a, .pager span {
  min-width: 40px; height: 40px; padding: 0 12px;
  display: grid; place-items: center;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--card); font-size: 14px; font-weight: 500;
  transition: all var(--t2) var(--e-out);
}
.pager a:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.pager [aria-current] { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager__nav { padding: 0 10px; color: var(--text-2); }
.pager__nav svg { width: 16px; height: 16px; }
.pager__gap { border-color: transparent; background: none; color: var(--text-3); min-width: 22px; padding: 0; }

/* ---------- 22. Product detail ---------- */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-block: 8px 46px; align-items: start; }
@media (max-width: 900px) { .pdp { grid-template-columns: 1fr; gap: 26px; } }

.gal { display: grid; gap: 12px; position: sticky; top: calc(var(--header-h) + 16px); }
@media (max-width: 900px) { .gal { position: static; } }
.gal__main {
  position: relative; aspect-ratio: 1; overflow: hidden;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
}
.gal__main img { width: 100%; height: 100%; object-fit: cover; transition: opacity var(--t2), transform var(--t3) var(--e-out); }
.gal__main:hover img { transform: scale(1.08); }
.gal__main img.is-swap { opacity: 0; }
.gal__thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.gthumb {
  aspect-ratio: 1; overflow: hidden; border-radius: var(--r-sm);
  border: 2px solid var(--border); background: var(--surface);
  transition: border-color var(--t2), transform var(--t2) var(--e-out);
}
.gthumb:hover { transform: translateY(-3px); }
.gthumb[aria-selected="true"] { border-color: var(--accent); }
.gthumb img { width: 100%; height: 100%; object-fit: cover; }

.pinfo > * + * { margin-top: 16px; }
.pinfo h1 { font-size: clamp(1.4rem, 1.15rem + 1.1vw, 2rem); }
.pinfo__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; font-size: 13.5px; color: var(--text-3); }
.pinfo__price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 12px; padding: 18px; background: var(--surface); border-radius: var(--r); }
.pinfo__price b { font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.1rem); color: var(--accent); letter-spacing: -.03em; }
.pinfo__price s { color: var(--text-3); }
.specs { display: grid; gap: 0; border: 1px solid var(--border); border-radius: var(--r); overflow: hidden; }
.specs div { display: grid; grid-template-columns: 40% 1fr; gap: 10px; padding: 11px 15px; font-size: 14px; }
.specs div:nth-child(odd) { background: var(--surface); }
.specs dt { color: var(--text-3); }
.specs dd { margin: 0; font-weight: 500; }
.buyrow { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.buyrow .btn { flex: 1 1 180px; }
.trustlist { display: grid; gap: 10px; padding: 16px; border: 1px dashed var(--border-strong); border-radius: var(--r); }
.trustlist li { display: flex; gap: 10px; align-items: center; font-size: 14px; color: var(--text-2); }
.trustlist svg { width: 18px; height: 18px; color: var(--ok); flex: none; }

/* Tabs */
.tabs { border-bottom: 1px solid var(--border); display: flex; gap: 4px; position: relative; overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { padding: 13px 18px; font-size: 14.5px; font-weight: 600; color: var(--text-3); white-space: nowrap; transition: color var(--t2); }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--accent); }
.tabs__bar { position: absolute; bottom: 0; height: 2px; background: var(--accent); border-radius: 2px; transition: transform var(--t3) var(--e-out), width var(--t3) var(--e-out); }
.tabpanel { padding-top: 22px; animation: tabIn var(--t3) var(--e-out); }
.tabpanel[hidden] { display: none; }
@keyframes tabIn { from { opacity: 0; transform: translateY(8px); } }

.prose { max-width: 74ch; color: var(--text-2); font-size: 15px; }
.prose > * + * { margin-top: 14px; }
.prose h3 { color: var(--text); font-size: 17px; margin-top: 26px; }
.prose ul { display: grid; gap: 9px; }
.prose li { display: flex; gap: 10px; }
.prose li::before { content: ""; width: 6px; height: 6px; border-radius: var(--r-full); background: var(--accent); flex: none; margin-top: 9px; }
.prose strong { color: var(--text); }

/* ---------- 23. Contact ---------- */
.cgrid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px; padding-block: 34px 60px; align-items: start; }
@media (max-width: 860px) { .cgrid { grid-template-columns: 1fr; } }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { font-size: 13.5px; font-weight: 600; }
.field label span { color: var(--danger); }
.input, .textarea {
  width: 100%; padding: 12px 15px;
  border: 1.5px solid var(--border); border-radius: var(--r-sm);
  background: var(--card); font-size: 14.5px;
  transition: border-color var(--t2), box-shadow var(--t2);
}
.input:focus, .textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 13%, transparent);
}
.textarea { resize: vertical; min-height: 128px; }
.field.has-error .input, .field.has-error .textarea { border-color: var(--danger); }
.field__err { font-size: 12.5px; color: var(--danger); min-height: 0; opacity: 0; transform: translateY(-4px); transition: opacity var(--t2), transform var(--t2); }
.field.has-error .field__err { opacity: 1; transform: none; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px) { .row2 { grid-template-columns: 1fr; } }

.icard { display: flex; gap: 14px; padding: 18px; background: var(--card); border: 1px solid var(--border); border-radius: var(--r); transition: transform var(--t2) var(--e-out), box-shadow var(--t2); }
.icard:hover { transform: translateY(-3px); box-shadow: var(--sh-2); }
.icard__ic { width: 42px; height: 42px; flex: none; border-radius: var(--r-sm); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.icard__ic svg { width: 20px; height: 20px; }
.icard h3 { font-size: 14.5px; margin-bottom: 3px; }
.icard p, .icard a { font-size: 14px; color: var(--text-2); }
.icard a:hover { color: var(--accent); }
.mapbox { aspect-ratio: 16 / 10; border-radius: var(--r); border: 1px solid var(--border); background: var(--surface-2); display: grid; place-items: center; color: var(--text-3); text-align: center; padding: 20px; font-size: 14px; }
/* Bản nhúng thật: bỏ padding để iframe phủ kín, cắt góc theo bo của khung. */
.mapbox--live { padding: 0; overflow: hidden; }
.mapbox--live iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- 24. Policy / doc layout ---------- */
.doc { display: grid; grid-template-columns: 246px 1fr; gap: 34px; padding-block: 30px 60px; align-items: start; }
@media (max-width: 860px) { .doc { grid-template-columns: 1fr; } }
.toc { position: sticky; top: calc(var(--header-h) + 16px); background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 16px; }
@media (max-width: 860px) { .toc { position: static; } }
.toc h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-3); margin-bottom: 10px; }
.toc a { display: block; padding: 8px 11px; border-radius: var(--r-xs); font-size: 14px; color: var(--text-2); border-left: 2px solid transparent; transition: all var(--t2); }
.toc a:hover { background: var(--surface); color: var(--text); }
.toc a.is-active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-soft); font-weight: 500; }

/* ---------- 25. Footer ---------- */
.footer { background: var(--ink); color: #a9b5c6; padding-block: 46px 0; margin-top: auto; }
:root[data-theme="dark"] .footer { background: #060b12; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 30px; }
@media (max-width: 900px) { .footer__grid { grid-template-columns: 1fr 1fr; gap: 26px; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; } }
.footer h3 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 15px; }
.footer a { transition: color var(--t2), transform var(--t2); }
.footer a:hover { color: #fff; }
.footer__links { display: grid; gap: 10px; font-size: 14px; }
.footer__links a { display: inline-flex; align-items: center; gap: 8px; }
.footer__links a:hover { transform: translateX(3px); }
.footer__about p { font-size: 14px; margin-top: 14px; max-width: 38ch; }
.footer .logo__name { color: #fff; }
.footer .logo__tag { color: #7d8798; }
.footer__contact { display: grid; gap: 12px; font-size: 14px; }
.footer__contact li { display: flex; gap: 10px; }
.footer__contact svg { width: 17px; height: 17px; color: var(--accent); flex: none; margin-top: 3px; }
.socials { display: flex; gap: 9px; margin-top: 18px; }
.socials a { width: 38px; height: 38px; border-radius: var(--r-full); background: rgba(255, 255, 255, .07); display: grid; place-items: center; transition: all var(--t2) var(--e-out); }
.socials a:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.socials svg { width: 18px; height: 18px; }
.footer__bar { margin-top: 40px; border-top: 1px solid rgba(255, 255, 255, .09); padding-block: 18px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 13px; }

/* ---------- 26. Utilities: reveal, back-to-top, fab ---------- */
.reveal { opacity: 0; transform: translateY(16px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .55s var(--e-out), transform .7s var(--e-out);
  transition-delay: var(--d, 0ms);
}

.totop {
  position: fixed; right: 18px; bottom: 18px; z-index: 70;
  width: 46px; height: 46px; border-radius: var(--r-full);
  background: var(--card); border: 1px solid var(--border);
  box-shadow: var(--sh-2); color: var(--text-2);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(14px) scale(.9);
  transition: all var(--t3) var(--e-out);
}
.totop.is-on { opacity: 1; visibility: visible; transform: none; }
.totop:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.totop svg { width: 20px; height: 20px; }

.fab { position: fixed; left: 18px; bottom: 18px; z-index: 70; display: grid; gap: 10px; }
.fab a {
  width: 50px; height: 50px; border-radius: var(--r-full);
  background: var(--accent); color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--sh-accent);
  transition: transform var(--t2) var(--e-out);
}
.fab a:hover { transform: scale(1.09); }
.fab svg { width: 23px; height: 23px; }
.fab a::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit;
  border: 2px solid var(--accent);
  animation: ping 2.4s var(--e-io) infinite;
}
@keyframes ping { to { transform: scale(1.55); opacity: 0; } }
@media (max-width: 620px) { .fab a { width: 44px; height: 44px; } .fab svg { width: 20px; height: 20px; } }

/* ---------- 27. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .rail { scroll-behavior: auto; }
}

/* ==========================================================================
   28. Lớp thay cho inline style
   --------------------------------------------------------------------------
   Trước đây các giá trị này nằm trong attribute style="..." rải khắp trang.
   Gom về đây để Content-Security-Policy không phải mở style-src-attr
   'unsafe-inline'. Đặt ở cuối file để thắng các rule cùng độ ưu tiên
   (ví dụ .article__title phải thắng .h1).
   ========================================================================== */

/* Header / giỏ hàng */
.topbar__hot { color: #fff; }
.cart__note { margin-top: 10px; text-align: center; }
/* app.js chèn stepper này vào giỏ bằng innerHTML. Trước đây nó mang
   style="margin-top:8px" và CSP style-src 'self' sẽ âm thầm bỏ qua
   attribute đó, làm mất khoảng cách. Dùng class thì không bị chặn. */
.citem__qty { margin-top: 8px; }

/* Nút gọi/chat nổi: cần position để vòng ping ::after định vị theo nút */
.fab__btn { position: relative; }

/* Section */
.sec--flush-top { padding-top: 0; }
.sec__head--center { justify-content: center; text-align: center; }

/* Bộ lọc trang shop */
.fbox__reset { color: var(--accent); font-weight: 600; }
.fbox--accent { background: var(--accent-soft); border-color: transparent; }
.fbox__title-accent { color: var(--accent); }
.toolbar__sort { margin-left: auto; }

/* Trang chi tiết sản phẩm */
.pdp-tabs { padding-bottom: 46px; }
.specs--wide { max-width: 640px; }

/* Trang bài viết */
.article { max-width: 760px; margin-inline: auto; padding-block: 10px 56px; }
.article__title { font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.4rem); margin: 14px 0 12px; }
.article__meta { margin-bottom: 22px; }
.article__cover { border-radius: var(--r-lg); margin-bottom: 26px; }

/* Điều hướng bài trước / bài sau */
.pnav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 34px; }
@media (max-width: 620px) { .pnav { grid-template-columns: 1fr; } }
.pnav__item {
  display: flex; flex-direction: column; gap: 6px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--r-md);
  background: var(--card); transition: all var(--t2) var(--e-out);
}
.pnav__item:hover { border-color: var(--accent); transform: translateY(-2px); }
.pnav__item strong { color: var(--text); font-size: 14.5px; line-height: 1.45; }
.pnav__item .tiny { display: flex; align-items: center; gap: 5px; }
.pnav__item--next { text-align: right; }
.pnav__item--next .tiny { justify-content: flex-end; }
/* Bài mới nhất không có "bài mới hơn", bài cũ nhất không có "bài cũ hơn".
   Ô còn lại phải giữ đúng cột của nó, nếu không nó nhảy sang trái và chiều
   điều hướng đọc ngược. */
.pnav__item--next:only-child { grid-column: 2; }
@media (max-width: 620px) {
  .pnav__item--next { text-align: left; }
  .pnav__item--next .tiny { justify-content: flex-start; }
  .pnav__item--next:only-child { grid-column: 1; }
}

/* CTA */
.cta--spaced { margin-top: 34px; }
.cta__title { color: #fff; margin-bottom: 8px; }

/* Trang giới thiệu */
.about__split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .about__split { grid-template-columns: 1fr; gap: 28px; } }
.prose__h2 { color: var(--text); }
.hero__card--static { animation: none; }

/* Trang liên hệ */
.select--block { width: 100%; }
.cgrid__aside { display: grid; gap: 12px; }

/* Trang chính sách */
.doc__sec { scroll-margin-top: calc(var(--header-h) + 24px); margin-bottom: 38px; }
.doc__h2 { margin-bottom: 12px; }

/* Tiện ích khoảng cách */
.mt-10 { margin-top: 10px; }
.mt-12 { margin-top: 12px; }
.mb-12 { margin-bottom: 12px; }

/* ---------- 29. Print ---------- */
@media print {
  .header, .nav, .topbar, .footer, .fab, .totop, .prod__quick { display: none !important; }
  body { background: #fff; }
}