/* =========================================================================
   PHÚ THÁI MEDICAL — Design system
   Màu lấy từ logo: cam #F05828 + xanh lá #38B048 (xem DESIGN.md).
   Giao diện SÁNG là mặc định; giao diện tối bật bằng <html data-theme="dark">.
   Quy ước: component chỉ dùng token (var(--…)), không dùng mã màu trực tiếp.
   ========================================================================= */

/* ---------- 1. Token -------------------------------------------------- */
:root {
  /* Màu thương hiệu gốc — chỉ dùng cho trang trí (sọc, họa tiết, icon) */
  --brand-green: #38b048;
  --brand-orange: #f05828;

  /* Giao diện sáng (mặc định) */
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-2: #f4f8f5;          /* nền section xen kẽ */
  --color-muted: #eaf1ec;              /* nền tab, input phụ, skeleton */
  --color-overlay: rgba(10, 24, 16, .5);
  --color-text: #111c17;
  --color-text-muted: #53625a;
  --color-text-on-primary: #ffffff;
  --color-border: #e1e8e3;
  --color-border-strong: #c9d5cd;

  --color-primary: #1e7a34;            /* xanh lá đậm: nút, link (chữ trắng 5.4:1) */
  --color-primary-hover: #17652a;
  --color-primary-soft: rgba(30, 122, 52, .09);
  --color-primary-line: rgba(30, 122, 52, .26);
  --color-cta: #c84a12;                /* cam đậm: nút chuyển đổi (chữ trắng 4.7:1) */
  --color-cta-hover: #ad3f0e;
  --color-text-on-cta: #ffffff;
  --color-accent: #f05828;             /* cam thương hiệu: icon, chữ lớn */
  --color-accent-soft: rgba(240, 88, 40, .1);
  --color-highlight: #f05828;          /* từ nhấn trong tiêu đề lớn (≥ 3:1) */
  --color-price: #c2410c;
  --color-success: #15803d;
  --color-success-soft: rgba(21, 128, 61, .1);
  --color-warning: #b45309;
  --color-warning-soft: rgba(180, 83, 9, .1);
  --color-danger: #dc2626;
  --color-danger-solid: #dc2626;
  --color-danger-soft: rgba(220, 38, 38, .08);
  --color-star: #e09a06;
  --color-ring: #1e7a34;
  --color-header: rgba(255, 255, 255, .9);
  --color-inverse-bg: #111c17;
  --color-inverse-text: #f6faf7;
  --color-shimmer: rgba(255, 255, 255, .6);

  /* Màu chữ cho badge nền nhạt (đảm bảo ≥ 4.5:1) */
  --ink-primary: #17652a;
  --ink-accent: #b9400e;
  --ink-success: #166534;
  --ink-warning: #92400e;
  --ink-danger: #b91c1c;

  /* Chữ */
  --font-sans: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Be Vietnam Pro", Inter, system-ui, sans-serif;
  --fs-xs: 11px;
  --fs-sm: 12px;
  --fs-md: 13px;
  --fs-lg: 13.6px;
  --fs-xl: 14px;
  --fs-2xl: 14.4px;
  --fs-3xl: 15px;
  --fs-4xl: 15.2px;
  --fs-base: 16px;
  --fs-h4: 18px;
  --fs-h3: 20px;
  --fs-h2: clamp(28px, 2.2vw + 18px, 38px);
  --fs-h1: clamp(32px, 2.4vw + 22px, 44px);
  --lh-base: 24px;

  /* Khoảng cách */
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 6px;
  --space-4: 8px;
  --space-5: 12px;
  --space-6: 16px;
  --space-7: 20px;
  --space-8: 24px;
  --space-9: 32px;
  --space-10: 40px;
  --space-11: 48px;
  --space-12: 64px;
  --space-13: 80px;

  /* Bo góc */
  --radius-xs: 7px;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-pill: 9999px;

  /* Đổ bóng */
  --shadow-primary: rgba(30, 122, 52, .45) 0 6px 20px -8px;
  --shadow-cta: rgba(200, 74, 18, .5) 0 6px 20px -8px;
  --shadow-sm: rgba(15, 23, 42, .12) 0 1px 3px 0;
  --shadow-lift: 0 16px 44px -18px rgba(16, 40, 24, .28);
  --shadow-pop: 0 28px 70px -26px rgba(16, 40, 24, .45);
  --shadow-header: 0 10px 30px -24px rgba(16, 40, 24, .55);

  /* Họa tiết thương hiệu */
  --brand-stripe: linear-gradient(90deg, var(--brand-green) 0 62%, var(--brand-orange) 62% 100%);
  --swoosh-opacity: .1;

  /* Chuyển động */
  --dur-instant: 150ms;
  --dur-fast: 180ms;
  --dur-normal: 250ms;
  --dur-slow: 700ms;
  --ease-out: cubic-bezier(.16, 1, .3, 1);

  --header-h: 68px;
  --container: 1320px;
  --gutter: 16px;

  color-scheme: light;
}

:root[data-theme="dark"] {
  --color-bg: #0c1210;
  --color-surface: #121a17;
  --color-surface-2: #0f1714;
  --color-muted: #1a2420;
  --color-overlay: rgba(0, 0, 0, .62);
  --color-text: #f2f6f3;
  --color-text-muted: #9daea4;
  --color-text-on-primary: #06100a;
  --color-border: #22302a;
  --color-border-strong: #304238;

  --color-primary: #38b048;
  --color-primary-hover: #4cc25c;
  --color-primary-soft: rgba(56, 176, 72, .13);
  --color-primary-line: rgba(56, 176, 72, .3);
  --color-accent: #f05828;
  --color-accent-soft: rgba(240, 88, 40, .14);
  --color-highlight: #f05828;
  --color-price: #f47a4f;
  --color-success: #34b277;
  --color-success-soft: rgba(52, 178, 119, .14);
  --color-warning: #f69323;
  --color-warning-soft: rgba(246, 147, 35, .14);
  --color-danger: #f87171;
  --color-danger-solid: #dc2626;
  --color-danger-soft: rgba(248, 113, 113, .13);
  --color-star: #f5b014;
  --color-ring: #38b048;
  --color-header: rgba(12, 18, 16, .85);
  --color-inverse-bg: #f2f6f3;
  --color-inverse-text: #0c1210;
  --color-shimmer: rgba(255, 255, 255, .06);

  --ink-primary: #38b048;
  --ink-accent: #f47a4f;
  --ink-success: #34b277;
  --ink-warning: #f69323;
  --ink-danger: #f87171;

  --shadow-primary: rgba(56, 176, 72, .5) 0 6px 20px -8px;
  --shadow-cta: rgba(200, 74, 18, .55) 0 6px 20px -8px;
  --shadow-lift: 0 18px 48px -18px rgba(0, 0, 0, .7);
  --shadow-pop: 0 28px 70px -24px rgba(0, 0, 0, .8);
  --shadow-header: 0 10px 30px -22px rgba(0, 0, 0, .8);
  --swoosh-opacity: .13;

  color-scheme: dark;
}

/* ---------- 2. Nền tảng ----------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  overflow-x: clip;
}
body {
  min-height: 100vh;
  overflow-x: clip;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 400;
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--dur-normal) ease, color var(--dur-normal) ease;
}
img, svg, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
ul, ol { padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; letter-spacing: -.015em; font-weight: 800; overflow-wrap: break-word; }
h1, h2 { text-wrap: balance; }
p, li, dd, td, th { overflow-wrap: break-word; }
::selection { background: var(--color-primary-soft); color: var(--color-text); }
.icon { width: 18px; height: 18px; flex: none; stroke-width: 2; }
.icon-sm { width: 14px; height: 14px; }
.icon-md { width: 20px; height: 20px; }
.icon-lg { width: 24px; height: 24px; }

/* Focus hiển thị rõ ràng ở mọi phần tử tương tác (WCAG 2.4.7 / 2.4.11) */
:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; border-radius: var(--radius-xs); }
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: fixed; left: 16px; top: 12px; z-index: 300;
  padding: 10px 16px; border-radius: var(--radius-sm);
  background: var(--color-primary); color: var(--color-text-on-primary); font-weight: 700; font-size: var(--fs-xl);
  transform: translateY(-160%); transition: transform var(--dur-fast) var(--ease-out);
}
.skip-link:focus { transform: none; }

/* Dải thông báo bản xem thử (SITE.preview = true) */
.preview-bar { display: flex; align-items: center; justify-content: center; gap: var(--space-4); padding: 8px var(--gutter); background: var(--color-inverse-bg); color: var(--color-inverse-text); font-size: var(--fs-sm); line-height: 1.5; text-align: center; }
.preview-bar .icon { color: var(--brand-orange); }

.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 3. Bố cục -------------------------------------------------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
@media (min-width: 640px) { :root { --gutter: 24px; } }
@media (min-width: 1280px) { :root { --gutter: 32px; } }

.section { padding-block: var(--space-12); }
@media (min-width: 1024px) { .section { padding-block: var(--space-13); } }
.section-alt { background: var(--color-surface-2); border-block: 1px solid var(--color-border); }
.section-head { max-width: 680px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: var(--space-6); font-size: var(--fs-h2); }
/* Sọc xanh lá – cam lấy từ biển công ty */
.section-head h2::after, .page-hero h1::after { content: ""; display: block; width: 64px; height: 4px; margin-top: var(--space-6); border-radius: 4px; background: var(--brand-stripe); }
.section-head.center h2::after { margin-inline: auto; }
.section-head p { margin-top: var(--space-6); color: var(--color-text-muted); font-size: var(--fs-3xl); line-height: 1.7; }
.section-head-row { display: flex; flex-direction: column; gap: var(--space-8); }
@media (min-width: 768px) { .section-head-row { flex-direction: row; align-items: flex-end; justify-content: space-between; } }
.section-body { margin-top: var(--space-11); }

.grid { display: grid; gap: var(--space-8); }
@media (min-width: 640px) { .grid-sm-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 768px) { .grid-md-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-md-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .grid-lg-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-lg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .grid-lg-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .grid-xl-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); } .grid-xl-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.split { display: grid; gap: var(--space-11); align-items: center; }
@media (min-width: 1024px) { .split { grid-template-columns: 1fr 1fr; gap: var(--space-12); } }

.stack > * + * { margin-top: var(--space-6); }
.row { display: flex; align-items: center; gap: var(--space-4); }
.row-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); }
.muted { color: var(--color-text-muted); }
.text-primary { color: var(--color-primary); }
.link { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.link:hover { text-decoration-thickness: 2px; }
.center { text-align: center; }
.mt-4 { margin-top: var(--space-4); } .mt-6 { margin-top: var(--space-6); } .mt-8 { margin-top: var(--space-8); } .mt-9 { margin-top: var(--space-9); } .mt-10 { margin-top: var(--space-10); }
.w-full { width: 100%; }
[hidden] { display: none !important; }

/* ---------- 4. Button ---------------------------------------------------
   Trạng thái: default · hover · focus-visible · active · disabled · loading (aria-busy) */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-4);
  min-height: 44px; padding: 0 18px;
  border: 1px solid transparent; border-radius: var(--radius-md);
  font-size: var(--fs-xl); font-weight: 600; line-height: 1.2; white-space: nowrap;
  cursor: pointer; user-select: none;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease, box-shadow var(--dur-fast) ease, transform var(--dur-instant) ease;
}
.btn:active { transform: translateY(1px); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn[aria-busy="true"] { color: transparent !important; pointer-events: none; }
.btn[aria-busy="true"]::after {
  content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid currentColor; border-color: var(--btn-spin, var(--color-text-on-primary)) transparent var(--btn-spin, var(--color-text-on-primary)) transparent;
  animation: spin .7s linear infinite;
}
.btn-primary { background: var(--color-primary); color: var(--color-text-on-primary); box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-cta { background: var(--color-cta); color: var(--color-text-on-cta); box-shadow: var(--shadow-cta); --btn-spin: var(--color-text-on-cta); }
.btn-cta:hover { background: var(--color-cta-hover); }
.btn-outline { background: transparent; border-color: var(--color-border-strong); color: var(--color-text); --btn-spin: var(--color-text); }
.btn-outline:hover { background: var(--color-muted); border-color: var(--color-primary-line); }
.btn-ghost { background: transparent; color: var(--color-text); --btn-spin: var(--color-text); }
.btn-ghost:hover { background: var(--color-muted); }
.btn-light { background: #fff; color: #0b111e; }
.btn-light:hover { background: #e9eef5; }
.btn-danger-ghost { color: var(--color-danger); }
.btn-danger-ghost:hover { background: var(--color-danger-soft); }
.btn-sm { min-height: 38px; padding: 0 12px; font-size: var(--fs-md); border-radius: var(--radius-sm); }
.btn-lg { min-height: 52px; padding: 0 26px; font-size: var(--fs-4xl); }
.btn-icon { width: 42px; min-height: 42px; padding: 0; }
.btn-icon.btn-sm { width: 38px; min-height: 38px; }
.btn-block { width: 100%; }

/* Nút icon tròn trên ảnh sản phẩm */
.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: var(--radius-pill);
  background: var(--color-surface); border: 1px solid var(--color-border); color: var(--color-text);
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease, border-color var(--dur-fast) ease;
}
.icon-btn:hover, .icon-btn[aria-pressed="true"] { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-text-on-primary); }
.icon-btn .icon { width: 16px; height: 16px; }

.count-dot {
  position: absolute; top: 1px; right: 1px; min-width: 18px; height: 18px; padding: 0 5px;
  border-radius: var(--radius-pill); background: var(--color-primary); color: var(--color-text-on-primary);
  font-size: 10px; font-weight: 800; line-height: 18px; text-align: center;
}
.count-dot.is-danger { background: var(--color-danger-solid); color: #fff; }

/* ---------- 5. Badge --------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: var(--radius-pill); border: 1px solid transparent;
  font-size: var(--fs-xs); font-weight: 700; line-height: 1.4; letter-spacing: .01em; white-space: nowrap;
}
.badge .icon { width: 13px; height: 13px; flex: none; }
.badge-wrap { white-space: normal; text-align: left; }
.badge-primary { background: var(--color-primary-soft); color: var(--ink-primary); border-color: var(--color-primary-line); }
.badge-accent { background: var(--color-accent-soft); color: var(--ink-accent); border-color: var(--color-accent-soft); }
.badge-success { background: var(--color-success-soft); color: var(--ink-success); border-color: var(--color-success-soft); }
.badge-warning { background: var(--color-warning-soft); color: var(--ink-warning); border-color: var(--color-warning-soft); }
.badge-danger { background: var(--color-danger-soft); color: var(--ink-danger); border-color: var(--color-danger-soft); }
.badge-outline { background: transparent; color: var(--color-text-muted); border-color: var(--color-border-strong); }
.badge-solid { background: var(--color-inverse-bg); color: var(--color-inverse-text); }
.badge-glass { background: rgba(255, 255, 255, .12); color: #fff; border-color: rgba(255, 255, 255, .25); }
/* Badge đặt trên ảnh: luôn có nền đặc để đủ tương phản */
.on-media .badge-primary, .on-media .badge-warning, .on-media .badge-danger, .on-media .badge-success, .on-media .badge-accent { background: var(--color-surface); }

/* ---------- 6. Card ---------------------------------------------------- */
.card {
  position: relative; background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-lg);
}
.card-pad { padding: var(--space-8); }
.card-hover { transition: transform var(--dur-normal) var(--ease-out), box-shadow var(--dur-normal) ease, border-color var(--dur-normal) ease; }
.card-hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); border-color: var(--color-primary-line); }
.card-hover:focus-within { border-color: var(--color-primary-line); }

.icon-tile {
  display: grid; place-items: center; flex: none; width: 46px; height: 46px; border-radius: var(--radius-lg);
  background: var(--color-primary-soft); color: var(--color-primary);
}
.icon-tile.is-accent { background: var(--color-accent-soft); color: var(--color-accent); }
.icon-tile.is-success { background: var(--color-success-soft); color: var(--color-success); }
.icon-tile.is-lg { width: 56px; height: 56px; border-radius: 16px; }
.icon-tile.is-sm { width: 38px; height: 38px; border-radius: var(--radius-md); }

.media { position: relative; overflow: hidden; background: var(--color-muted); }
.media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease-out); }
.card-hover:hover .media img { transform: scale(1.06); }
.ratio-16-9 { aspect-ratio: 16 / 9; }
.ratio-4-3 { aspect-ratio: 4 / 3; }
.ratio-1-1 { aspect-ratio: 1 / 1; }

.clamp-2, .clamp-3 { display: -webkit-box; -webkit-box-orient: vertical; overflow: hidden; }
.clamp-2 { -webkit-line-clamp: 2; line-clamp: 2; }
.clamp-3 { -webkit-line-clamp: 3; line-clamp: 3; }

/* ---------- 7. Form ----------------------------------------------------
   Trạng thái: default · hover · focus-visible · disabled · error (aria-invalid) */
.field + .field { margin-top: var(--space-6); }
.field-row { display: grid; gap: var(--space-6); }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field-row + .field, .field + .field-row, .field-row + .field-row { margin-top: var(--space-6); }
.label { display: block; margin-bottom: var(--space-3); font-size: var(--fs-md); font-weight: 600; }
.label .req { color: var(--color-danger); }
.hint { margin-top: var(--space-2); font-size: var(--fs-sm); color: var(--color-text-muted); }
.input, .select, .textarea {
  display: block; width: 100%; min-height: 44px; padding: 10px 14px;
  background: var(--color-bg); color: var(--color-text);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
  font-size: var(--fs-xl); line-height: 1.45;
  transition: border-color var(--dur-instant) ease, box-shadow var(--dur-instant) ease;
}
.input::placeholder, .textarea::placeholder { color: var(--color-text-muted); opacity: .85; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--color-primary-line); }
.input:focus-visible, .select:focus-visible, .textarea:focus-visible { outline: none; border-color: var(--color-ring); box-shadow: 0 0 0 3px var(--color-primary-soft); }
.input:disabled, .select:disabled, .textarea:disabled { opacity: .55; cursor: not-allowed; }
.input[aria-invalid="true"], .select[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--color-danger); box-shadow: 0 0 0 3px var(--color-danger-soft); }
.select {
  appearance: none; padding-right: 40px; 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='%2394a3b8' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
}
.select option { background: var(--color-surface); color: var(--color-text); }
.textarea { min-height: 128px; resize: vertical; }
.error-text { display: none; align-items: center; gap: 5px; margin-top: var(--space-3); font-size: var(--fs-sm); font-weight: 500; color: var(--color-danger); }
.error-text.is-shown { display: flex; }
.error-text .icon { width: 14px; height: 14px; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }

.choice-group { display: flex; flex-wrap: wrap; gap: var(--space-4); }
.choice {
  position: relative; display: inline-flex; align-items: center; gap: var(--space-4);
  min-height: 40px; padding: 8px 14px; border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong); background: transparent;
  font-size: var(--fs-md); font-weight: 500; cursor: pointer;
  transition: border-color var(--dur-instant) ease, background-color var(--dur-instant) ease, color var(--dur-instant) ease;
}
.choice:hover { border-color: var(--color-primary-line); }
.choice input { width: 16px; height: 16px; accent-color: var(--color-primary); margin: 0; }
.choice:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-soft); color: var(--color-primary); }
.choice:has(input:focus-visible) { outline: 2px solid var(--color-ring); outline-offset: 2px; }

.check-row { display: flex; align-items: center; gap: var(--space-5); min-height: 36px; padding: 4px 0; font-size: var(--fs-xl); cursor: pointer; }
.check-row input { width: 18px; height: 18px; accent-color: var(--color-primary); margin: 0; flex: none; }
.check-row .count { margin-left: auto; font-size: var(--fs-sm); color: var(--color-text-muted); }

.form-card { padding: var(--space-8); }
@media (min-width: 640px) { .form-card { padding: var(--space-9); } }
.form-note { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-5); font-size: var(--fs-sm); color: var(--color-text-muted); }

/* ---------- 8. Header -------------------------------------------------- */
.topbar { display: none; border-bottom: 1px solid var(--color-border); background: var(--color-surface-2); font-size: var(--fs-sm); color: var(--color-text-muted); }
@media (min-width: 1024px) { .topbar { display: block; } }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); min-height: 36px; }
.topbar-group { display: flex; align-items: center; gap: var(--space-8); }
.topbar-item { display: inline-flex; align-items: center; gap: var(--space-3); }
.topbar-item .icon { width: 14px; height: 14px; color: var(--color-primary); }
.topbar-item .icon.is-success { color: var(--color-success); }
.topbar a:hover { color: var(--color-primary); }
.topbar strong { color: var(--color-text); font-weight: 600; }

.site-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--color-header); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-normal) ease, box-shadow var(--dur-normal) ease;
}
.site-header.is-stuck { border-color: var(--color-border); box-shadow: var(--shadow-header); }
.header-inner { display: flex; align-items: center; gap: var(--space-5); min-height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; border-radius: var(--radius-md); }
.brand-mark {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent)); color: #fff;
  box-shadow: var(--shadow-primary);
}
.brand-mark .icon { width: 22px; height: 22px; }
.brand-name { display: block; font-family: var(--font-display); font-size: 19px; font-weight: 800; letter-spacing: -.02em; line-height: 1; }
.brand-tag { display: none; margin-top: 5px; font-size: 10.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--color-text-muted); line-height: 1; }
@media (min-width: 640px) { .brand-tag { display: block; } }
.brand-logo { display: block; width: auto; height: 44px; }
.brand-logo.is-header { height: 48px; }
@media (min-width: 1024px) { :root { --header-h: 76px; } .brand-logo.is-header { height: 62px; } }
@media (max-width: 379px) { .brand-logo.is-header { height: 42px; } }
.brand-logo.is-sheet { height: 44px; }
.brand-logo.is-footer { height: 88px; }

.main-nav { display: none; margin-left: var(--space-8); }
@media (min-width: 1024px) { .main-nav { display: block; } }
.main-nav > ul { display: flex; align-items: center; gap: var(--space-8); }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link {
  position: relative; display: inline-flex; align-items: center; min-height: 44px; padding: 0 2px;
  font-size: var(--fs-2xl); font-weight: 500; color: var(--color-text-muted);
  transition: color var(--dur-fast) ease;
}
.nav-link::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 6px; height: 2px; border-radius: 2px;
  background: var(--color-primary); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-normal) var(--ease-out);
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--color-text); }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-caret { display: grid; place-items: center; width: 28px; height: 32px; border-radius: var(--radius-sm); color: var(--color-text-muted); }
.nav-caret:hover { color: var(--color-text); background: var(--color-muted); }
.nav-caret .icon { width: 15px; height: 15px; transition: transform var(--dur-normal) ease; }
.nav-item.is-open .nav-caret .icon { transform: rotate(180deg); }

.mega {
  position: absolute; top: calc(100% + 8px); left: 50%; z-index: 70;
  width: 600px; padding: var(--space-4);
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
  opacity: 0; visibility: hidden; transform: translate(-40%, 8px);
  transition: opacity var(--dur-fast) ease, transform var(--dur-normal) var(--ease-out), visibility var(--dur-fast);
}
.mega::before { content: ""; position: absolute; inset: -12px 0 auto; height: 12px; }
.nav-item.is-open .mega, .nav-item:hover .mega { opacity: 1; visibility: visible; transform: translate(-40%, 0); }
.mega-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.mega-link { display: flex; gap: var(--space-5); padding: var(--space-5); border-radius: var(--radius-md); transition: background-color var(--dur-instant) ease; }
.mega-link:hover { background: var(--color-muted); }
.mega-link strong { display: block; font-size: var(--fs-xl); font-weight: 600; }
.mega-link span span { display: block; margin-top: 2px; font-size: var(--fs-sm); line-height: 1.5; color: var(--color-text-muted); }
.mega-foot { display: flex; align-items: center; gap: var(--space-5); margin-top: var(--space-2); padding: var(--space-5); border-radius: var(--radius-md); background: var(--color-surface-2); font-size: var(--fs-sm); color: var(--color-text-muted); }
.mega-foot a { color: var(--color-text); font-weight: 700; }
.mega-foot a:hover { color: var(--color-primary); }

.header-actions { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }
.header-actions .btn-icon { position: relative; }
.header-cta { display: none; margin-left: var(--space-3); }
@media (min-width: 1280px) { .header-cta { display: inline-flex; } }
.only-mobile { display: inline-flex; }
@media (min-width: 1024px) { .only-mobile { display: none; } }
.hide-xs { display: none; }
@media (min-width: 480px) { .hide-xs { display: inline-flex; } }

/* ---------- 9. Overlay · Sheet · Dialog -------------------------------- */
.overlay {
  position: fixed; inset: 0; z-index: 90; background: var(--color-overlay); backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; transition: opacity var(--dur-normal) ease, visibility 0s linear var(--dur-normal);
}
.overlay.is-open { opacity: 1; visibility: visible; transition: opacity var(--dur-normal) ease; }
.sheet {
  position: fixed; top: 0; bottom: 0; right: 0; z-index: 100;
  display: flex; flex-direction: column; width: min(420px, 92vw);
  background: var(--color-bg); border-left: 1px solid var(--color-border); box-shadow: var(--shadow-pop);
  transform: translateX(100%); visibility: hidden;
  transition: transform .32s var(--ease-out), visibility 0s linear .32s;
}
.sheet.is-open { transform: none; visibility: visible; transition: transform .32s var(--ease-out); }
.sheet-left { right: auto; left: 0; border-left: 0; border-right: 1px solid var(--color-border); transform: translateX(-100%); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); padding: var(--space-6); border-bottom: 1px solid var(--color-border); }
.sheet-head h2 { font-size: var(--fs-base); }
.sheet-body { flex: 1; overflow-y: auto; padding: var(--space-6); overscroll-behavior: contain; }
.sheet-foot { padding: var(--space-6); border-top: 1px solid var(--color-border); }

.mnav-link { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 var(--space-5); border-radius: var(--radius-md); font-size: var(--fs-3xl); font-weight: 600; }
.mnav-link:hover { background: var(--color-muted); }
.mnav-link[aria-current="page"] { color: var(--color-primary); }
.mnav-link .icon { color: var(--color-text-muted); width: 16px; height: 16px; }
.mnav-cat { display: flex; align-items: center; gap: var(--space-5); min-height: 48px; padding: var(--space-3) var(--space-5); border-radius: var(--radius-md); font-size: var(--fs-xl); font-weight: 500; }
.mnav-cat:hover { background: var(--color-muted); }
.mnav-label { padding: var(--space-6) var(--space-5) var(--space-4); font-size: var(--fs-xs); font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--color-text-muted); }
.divider { height: 1px; margin-block: var(--space-5); background: var(--color-border); }

.dialog-wrap {
  position: fixed; inset: 0; z-index: 110; display: grid; place-items: center; padding: var(--space-6);
  background: var(--color-overlay); backdrop-filter: blur(3px);
  opacity: 0; visibility: hidden; transition: opacity var(--dur-normal) ease, visibility 0s linear var(--dur-normal);
}
.dialog-wrap.is-top { align-items: start; padding-top: 12vh; }
/* Khi mở: visibility đổi ngay (không transition) để focus vào được ngay lập tức */
.dialog-wrap.is-open { opacity: 1; visibility: visible; transition: opacity var(--dur-normal) ease; }
.dialog {
  position: relative; width: min(720px, 100%); max-height: 88vh; overflow: auto; overscroll-behavior: contain;
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-pop);
  transform: translateY(10px) scale(.97); opacity: 0; transition: transform var(--dur-normal) var(--ease-out), opacity var(--dur-normal) ease;
}
.dialog-wrap.is-open .dialog { transform: none; opacity: 1; }
.dialog-wide { width: min(1080px, 100%); }
.dialog-close { position: absolute; right: 10px; top: 10px; z-index: 2; }

/* Tìm kiếm */
.search-bar { display: flex; align-items: center; gap: var(--space-5); padding: 0 var(--space-6); border-bottom: 1px solid var(--color-border); }
.search-bar .icon { color: var(--color-text-muted); }
.search-bar input { flex: 1; min-width: 0; height: 58px; background: transparent; border: 0; font-size: var(--fs-3xl); }
.search-bar input:focus-visible { outline: none; }
.kbd { padding: 2px 6px; border: 1px solid var(--color-border-strong); border-radius: 5px; font-size: 10px; font-weight: 700; color: var(--color-text-muted); }
.search-results { max-height: 56vh; overflow-y: auto; padding: var(--space-4); }
.search-hit { display: flex; align-items: center; gap: var(--space-5); padding: var(--space-4); border-radius: var(--radius-md); }
.search-hit:hover, .search-hit:focus-visible, .search-hit.is-active { background: var(--color-muted); outline: none; }
.search-hit img { width: 52px; height: 52px; border-radius: var(--radius-sm); object-fit: cover; flex: none; }
.search-hit strong { display: block; font-size: var(--fs-xl); font-weight: 600; }
.search-hit small { display: block; font-size: var(--fs-sm); color: var(--color-text-muted); }
.search-hit .price { margin-left: auto; font-size: var(--fs-md); }
.search-empty { padding: var(--space-10) var(--space-6); text-align: center; font-size: var(--fs-xl); color: var(--color-text-muted); }
.search-suggest { display: flex; flex-wrap: wrap; gap: var(--space-4); padding: var(--space-4) var(--space-4) var(--space-6); }

/* ---------- 10. Tabs · Accordion --------------------------------------- */
.tabs-list { display: inline-flex; flex-wrap: wrap; gap: var(--space-2); padding: 4px; border-radius: var(--radius-md); background: var(--color-muted); }
.tab {
  min-height: 40px; padding: 0 16px; border-radius: var(--radius-xs);
  font-size: var(--fs-lg); font-weight: 600; color: var(--color-text-muted); white-space: nowrap;
  transition: background-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
.tab:hover { color: var(--color-text); }
.tab[aria-selected="true"] { background: var(--color-bg); color: var(--color-text); box-shadow: var(--shadow-sm); }
.tab-panel:focus-visible { outline-offset: 6px; }
.tab-panel.is-entering { animation: fadeUp .35s var(--ease-out) both; }

.accordion-item { border-bottom: 1px solid var(--color-border); }
.accordion-trigger {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-6);
  width: 100%; min-height: 56px; padding: var(--space-6) 0; text-align: left;
  font-size: var(--fs-3xl); font-weight: 600; transition: color var(--dur-instant) ease;
}
.accordion-trigger:hover { color: var(--color-primary); }
.accordion-trigger .icon { color: var(--color-text-muted); transition: transform var(--dur-normal) ease; }
.accordion-trigger[aria-expanded="true"] .icon { transform: rotate(180deg); color: var(--color-primary); }
.accordion-panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .32s var(--ease-out); }
.accordion-panel > div { overflow: hidden; }
.accordion-panel p { padding-bottom: var(--space-7); font-size: var(--fs-xl); line-height: 1.75; color: var(--color-text-muted); }
.accordion-item.is-open .accordion-panel { grid-template-rows: 1fr; }

/* ---------- 11. Sản phẩm ----------------------------------------------- */
.product-card { display: flex; flex-direction: column; overflow: hidden; }
.product-card .media { aspect-ratio: 4 / 3; }
.product-flags { position: absolute; left: 12px; top: 12px; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; }
.product-stock { position: absolute; left: 12px; bottom: 12px; }
.product-tools {
  position: absolute; right: 12px; top: 12px; display: flex; flex-direction: column; gap: 6px;
  opacity: 0; transform: translateX(8px); transition: opacity var(--dur-normal) var(--ease-out), transform var(--dur-normal) var(--ease-out);
}
.product-card:hover .product-tools, .product-tools:focus-within { opacity: 1; transform: none; }
@media (hover: none) { .product-tools { opacity: 1; transform: none; } }
.product-body { display: flex; flex: 1; flex-direction: column; padding: var(--space-6) var(--space-7) var(--space-7); }
.product-meta { display: flex; align-items: center; gap: var(--space-4); font-size: var(--fs-xs); font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); min-width: 0; }
.product-meta .brand-label { color: var(--color-primary); }
.product-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--color-border-strong); flex: none; }
.product-meta .truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.product-title { margin-top: var(--space-4); font-size: var(--fs-3xl); font-weight: 700; line-height: 1.4; letter-spacing: -.01em; }
.product-title a:hover { color: var(--color-primary); }
.product-rating { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-4); font-size: var(--fs-sm); color: var(--color-text-muted); }
.product-rating b { color: var(--color-text); font-weight: 700; }
.product-desc { margin-top: var(--space-5); font-size: var(--fs-md); line-height: 1.6; color: var(--color-text-muted); }
.product-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: var(--space-5); }
.product-foot { margin-top: auto; padding-top: var(--space-6); }
.product-price-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 6px var(--space-4); }
.product-actions { display: flex; gap: var(--space-4); margin-top: var(--space-5); }
.product-actions .btn-primary { flex: 1; }

.price { font-family: var(--font-display); font-weight: 800; letter-spacing: -.02em; color: var(--color-price); white-space: nowrap; }
.price-lg { font-size: 18px; }
.price-xl { font-size: clamp(26px, 2vw + 16px, 32px); }
.price-old { font-size: var(--fs-md); color: var(--color-text-muted); text-decoration: line-through; white-space: nowrap; }
.price-note { font-size: var(--fs-xs); color: var(--color-text-muted); }

.stars { display: inline-flex; gap: 1px; color: var(--color-star); }
.stars .icon { width: 14px; height: 14px; fill: currentColor; }
.stars .icon.is-empty { fill: none; color: var(--color-border-strong); }

/* Dạng danh sách (trang sản phẩm) */
.product-grid.is-list { grid-template-columns: 1fr !important; }
@media (min-width: 768px) {
  .product-grid.is-list .product-card { flex-direction: row; }
  .product-grid.is-list .product-card .media { width: 38%; flex: none; aspect-ratio: auto; min-height: 260px; }
}

/* Skeleton (trạng thái loading) */
.skeleton { position: relative; overflow: hidden; background: var(--color-muted); border-radius: var(--radius-sm); }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, var(--color-shimmer), transparent); animation: shimmer 1.4s infinite; }
.skeleton-card { height: 440px; border-radius: var(--radius-lg); }

/* Trạng thái rỗng */
.empty { display: grid; justify-items: center; gap: var(--space-5); padding: var(--space-12) var(--space-8); text-align: center; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-lg); }
.empty .icon-tile { width: 64px; height: 64px; border-radius: 20px; }
.empty h3 { font-size: var(--fs-h4); }
.empty p { max-width: 420px; font-size: var(--fs-xl); color: var(--color-text-muted); }

/* ---------- 12. Hero --------------------------------------------------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, var(--color-surface-2), var(--color-bg) 85%); }
/* Họa tiết đường cong chữ X trong logo (trang trí, không đọc bởi trình đọc màn hình) */
.brand-swoosh {
  position: absolute; z-index: 0; pointer-events: none;
  width: min(880px, 95vw); aspect-ratio: 1 / 1; right: -12%; top: -28%;
  background: url("../img/brand-swoosh.png") center / contain no-repeat;
  opacity: var(--swoosh-opacity);
}
.page-hero .brand-swoosh { width: 560px; right: -140px; top: -170px; }
.cta-banner .brand-swoosh { z-index: 1; width: 620px; right: -120px; top: -160px; opacity: .14; }
.hero-inner > * { min-width: 0; }
.hero-inner { position: relative; display: grid; gap: var(--space-11); align-items: center; padding-block: var(--space-11) var(--space-12); }
@media (min-width: 1024px) { .hero-inner { grid-template-columns: 1fr 1fr; gap: var(--space-10); padding-block: var(--space-13) 112px; } }
.hero h1 { margin-top: var(--space-7); font-size: var(--fs-h1); line-height: 1.15; }
.hero-lead { max-width: 580px; margin-top: var(--space-7); font-size: var(--fs-3xl); line-height: 1.75; color: var(--color-text-muted); }
@media (min-width: 640px) { .hero-lead { font-size: var(--fs-base); } }
.hero-cta { display: flex; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-9); }
.hero-points { display: grid; grid-template-columns: 1fr; gap: var(--space-6) var(--space-8); max-width: 540px; margin-top: var(--space-10); }
@media (min-width: 480px) { .hero-points { grid-template-columns: 1fr 1fr; } }
.hero-point { display: flex; align-items: flex-start; gap: 10px; font-size: var(--fs-md); line-height: 1.45; }
.hero-point .icon { margin-top: 1px; color: var(--color-success); }
.hero-point b { display: block; font-weight: 600; }
.hero-point span { color: var(--color-text-muted); }
.highlight { color: var(--color-highlight); }

.hero-visual { position: relative; width: 100%; max-width: 560px; margin-inline: auto; }
.hero-photo { overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-2xl); box-shadow: var(--shadow-lift); background: var(--color-surface); }
.hero-photo img { width: 100%; height: 420px; object-fit: cover; }
@media (min-width: 640px) { .hero-photo img { height: 500px; } }
.float-card {
  position: absolute; padding: 14px; border: 1px solid var(--color-border); border-radius: 16px;
  background: var(--color-surface); box-shadow: var(--shadow-lift);
}
.float-card.is-tl { left: -12px; top: 28px; width: 196px; display: none; }
@media (min-width: 640px) { .float-card.is-tl { display: block; } }
.float-card.is-br { right: -8px; bottom: -20px; width: 216px; }
.float-card p { font-size: var(--fs-xs); line-height: 1.45; color: var(--color-text-muted); }
.float-card .big { font-family: var(--font-display); font-size: 20px; font-weight: 800; line-height: 1; color: var(--color-text); }
.initials-stack { display: flex; margin-top: 10px; }
.initials-stack span { display: grid; place-items: center; width: 28px; height: 28px; margin-left: -8px; border: 2px solid var(--color-surface); border-radius: 50%; font-size: 10px; font-weight: 800; color: #fff; }
.initials-stack span:first-child { margin-left: 0; }
.initials-stack span:last-child { width: auto; min-width: 28px; padding: 0 6px; border-radius: var(--radius-pill); }

/* Trang con: tiêu đề trang */
.page-hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--color-border); background: var(--color-surface-2); }
.page-hero .container { position: relative; padding-block: var(--space-10) var(--space-11); }
.page-hero h1 { margin-top: var(--space-5); font-size: clamp(28px, 2vw + 18px, 38px); }
.page-hero p { max-width: 680px; margin-top: var(--space-5); font-size: var(--fs-3xl); line-height: 1.7; color: var(--color-text-muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; font-size: var(--fs-md); color: var(--color-text-muted); }
.breadcrumb a { display: inline-flex; align-items: center; gap: 6px; min-height: 28px; }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb li + li::before { content: "/"; margin-right: 6px; color: var(--color-border-strong); }
.breadcrumb [aria-current] { color: var(--color-text); font-weight: 600; }

/* ---------- 13. Khối trang chủ ----------------------------------------- */
.brand-strip { padding-block: var(--space-9); }
.eyebrow { font-size: var(--fs-xs); font-weight: 800; letter-spacing: .18em; text-transform: uppercase; color: var(--color-text-muted); }
.marquee { display: flex; overflow: hidden; margin-top: var(--space-7); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; flex: none; gap: 56px; padding-right: 56px; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track, .marquee.is-paused .marquee-track { animation-play-state: paused; }
.marquee-item { display: inline-flex; align-items: center; gap: var(--space-4); font-family: var(--font-display); font-size: 18px; font-weight: 800; letter-spacing: -.01em; color: var(--color-text-muted); white-space: nowrap; }

.cat-card { display: block; overflow: hidden; }
.cat-card .media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(9, 14, 26, .9), rgba(9, 14, 26, .1) 65%); }
.cat-card-label { position: absolute; left: 16px; bottom: 16px; z-index: 1; display: flex; align-items: center; gap: var(--space-5); color: #fff; }
.cat-card-label .icon-tile { background: rgba(255, 255, 255, .16); color: #fff; backdrop-filter: blur(6px); }
.cat-card-label strong { font-family: var(--font-display); font-size: 18px; font-weight: 800; }
.cat-card .badge-solid { position: absolute; right: 16px; top: 16px; z-index: 1; }
.cat-card-body { padding: var(--space-7); }
.cat-card-body p { font-size: var(--fs-xl); line-height: 1.6; color: var(--color-text-muted); }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--space-6); font-size: var(--fs-xl); font-weight: 600; color: var(--color-primary); }
.link-arrow .icon { width: 16px; height: 16px; transition: transform var(--dur-fast) ease; }
.card-hover:hover .link-arrow .icon, .link-arrow:hover .icon { transform: translateX(4px); }

.stat { display: flex; align-items: center; gap: var(--space-6); }
.stat-value { font-family: var(--font-display); font-size: 30px; font-weight: 800; letter-spacing: -.02em; line-height: 1.1; }
.stat-label { margin-top: 4px; font-size: var(--fs-xl); color: var(--color-text-muted); }

.photo-frame { position: relative; }
.photo-frame img { width: 100%; height: 420px; object-fit: cover; border: 1px solid var(--color-border); border-radius: var(--radius-2xl); box-shadow: var(--shadow-lift); }
.photo-note { position: absolute; left: 20px; right: 20px; bottom: 20px; display: flex; align-items: center; gap: var(--space-5); padding: var(--space-6); border: 1px solid var(--color-border); border-radius: 16px; background: var(--color-surface); }
.photo-note b { display: block; font-size: var(--fs-xl); }
.photo-note span { display: block; margin-top: 2px; font-size: var(--fs-sm); color: var(--color-text-muted); }

.feature { display: flex; gap: var(--space-6); }
.feature + .feature { margin-top: var(--space-7); }
.feature h3 { font-size: var(--fs-base); font-weight: 700; }
.feature p { margin-top: 6px; font-size: var(--fs-xl); line-height: 1.65; color: var(--color-text-muted); }

.package-card { display: flex; flex-direction: column; }
.package-card h3 { margin-top: var(--space-7); font-size: var(--fs-h4); }
.package-card > p { margin-top: var(--space-4); font-size: var(--fs-xl); line-height: 1.6; color: var(--color-text-muted); }
.checklist { display: grid; gap: var(--space-4); margin-top: var(--space-6); font-size: var(--fs-md); }
.checklist li { display: flex; gap: var(--space-4); line-height: 1.5; }
.checklist .icon { width: 16px; height: 16px; margin-top: 2px; color: var(--color-success); }
.package-price { margin-top: auto; padding-top: var(--space-6); }
.package-price > div { padding-top: var(--space-6); border-top: 1px solid var(--color-border); }
.package-price small { display: block; font-size: var(--fs-xs); letter-spacing: .06em; text-transform: uppercase; color: var(--color-text-muted); }
.package-price .price { font-size: 20px; }

.steps { display: grid; gap: var(--space-10) var(--space-8); }
@media (min-width: 768px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.step { position: relative; padding-left: 64px; }
.step-num { position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 48px; height: 48px; border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: var(--color-bg); font-family: var(--font-display); font-size: 18px; font-weight: 800; color: var(--color-primary); box-shadow: var(--shadow-sm); }
.step h3 { font-size: var(--fs-base); font-weight: 700; }
.step p { margin-top: var(--space-4); font-size: var(--fs-xl); line-height: 1.65; color: var(--color-text-muted); }
.step .badge { margin-top: var(--space-5); }

.cta-banner { position: relative; overflow: hidden; border: 1px solid var(--color-border); border-radius: 28px; color: #fff; }
.cta-banner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cta-banner::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(90deg, rgba(7, 26, 14, .95), rgba(7, 26, 14, .86) 55%, rgba(7, 26, 14, .62)); }
.cta-banner::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; z-index: 3; height: 6px; background: var(--brand-stripe); }
.cta-inner { position: relative; z-index: 2; display: grid; gap: var(--space-10); padding: var(--space-9) var(--space-7); }
@media (min-width: 640px) { .cta-inner { padding: var(--space-11); } }
@media (min-width: 1024px) { .cta-inner { grid-template-columns: 7fr 5fr; padding: 56px; align-items: center; } }
.cta-inner h2 { margin-top: var(--space-7); font-size: clamp(28px, 2vw + 18px, 40px); line-height: 1.15; }
.cta-inner p.lead { max-width: 520px; margin-top: var(--space-6); font-size: var(--fs-3xl); line-height: 1.7; color: rgba(255, 255, 255, .78); }
.cta-contact { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-8); margin-top: var(--space-9); font-size: var(--fs-xl); color: rgba(255, 255, 255, .75); }
.cta-contact b { display: block; color: #fff; }
.cta-banner .form-card { color: var(--color-text); }

.quote-card blockquote { margin-top: var(--space-6); font-size: var(--fs-xl); line-height: 1.75; color: var(--color-text-muted); }
.quote-card figcaption { display: flex; align-items: center; gap: var(--space-5); margin-top: var(--space-8); padding-top: var(--space-7); border-top: 1px solid var(--color-border); }
.quote-card figcaption b { display: block; font-size: var(--fs-xl); }
.quote-card figcaption span span { display: block; margin-top: 2px; font-size: var(--fs-sm); line-height: 1.45; color: var(--color-text-muted); }
.quote-mark { width: 32px; height: 32px; color: var(--color-primary); opacity: .35; }
.avatar { display: grid; place-items: center; flex: none; width: 44px; height: 44px; border-radius: 50%; font-size: var(--fs-md); font-weight: 800; color: #fff; }
.avatar-lg { width: 88px; height: 88px; font-size: 26px; }
.av-1 { background: linear-gradient(135deg, #2f9e44, #17652a); }
.av-2 { background: linear-gradient(135deg, #f05828, #b0400e); }
.av-3 { background: linear-gradient(135deg, #0f766e, #134e4a); }
.av-4 { background: linear-gradient(135deg, #475569, #1e293b); }

.post-card { display: block; overflow: hidden; }
.post-card .media .badge { position: absolute; left: 16px; top: 16px; }
.post-body { padding: var(--space-7); }
.post-meta { display: flex; flex-wrap: wrap; gap: var(--space-5); font-size: var(--fs-xs); color: var(--color-text-muted); }
.post-meta span { display: inline-flex; align-items: center; gap: 4px; }
.post-meta .icon { width: 13px; height: 13px; }
.post-body h3 { margin-top: var(--space-5); font-size: var(--fs-base); font-weight: 700; line-height: 1.4; transition: color var(--dur-fast) ease; }
.post-card:hover h3 { color: var(--color-primary); }
.post-body p { margin-top: var(--space-4); font-size: var(--fs-md); line-height: 1.65; color: var(--color-text-muted); }

.faq-layout { display: grid; gap: var(--space-11); }
@media (min-width: 1024px) { .faq-layout { grid-template-columns: 4fr 8fr; } }

/* ---------- 14. Trang sản phẩm ----------------------------------------- */
.shop-layout { display: grid; gap: var(--space-9); }
@media (min-width: 1024px) { .shop-layout { grid-template-columns: 280px minmax(0, 1fr); } }
.filters { display: none; }
@media (min-width: 1024px) { .filters { display: block; align-self: start; position: sticky; top: calc(var(--header-h) + 20px); } }
.filter-group { padding-block: var(--space-7); border-bottom: 1px solid var(--color-border); }
.filter-group:first-child { padding-top: 0; }
.filter-group h2, .filter-group legend { margin-bottom: var(--space-5); font-family: var(--font-sans); font-size: var(--fs-md); font-weight: 700; letter-spacing: 0; }
.filter-group fieldset { border: 0; padding: 0; min-width: 0; }
.input-icon { position: relative; }
.input-icon .icon { position: absolute; left: 13px; top: 50%; transform: translateY(-50%); color: var(--color-text-muted); pointer-events: none; }
.input-icon .input { padding-left: 40px; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-5); margin-bottom: var(--space-7); }
.toolbar-right { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }
.toolbar .select { width: auto; min-width: 190px; }
.result-count { font-size: var(--fs-xl); color: var(--color-text-muted); }
.result-count b { color: var(--color-text); }
.active-filters { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-7); }
.chip-remove { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 0 10px 0 12px; border-radius: var(--radius-pill); background: var(--color-primary-soft); color: var(--color-primary); font-size: var(--fs-sm); font-weight: 600; }
.chip-remove:hover { background: var(--color-primary-line); }
.chip-remove .icon { width: 13px; height: 13px; }
.view-toggle { display: inline-flex; padding: 3px; border-radius: var(--radius-md); background: var(--color-muted); }
.view-toggle button { display: grid; place-items: center; width: 38px; height: 38px; border-radius: var(--radius-xs); color: var(--color-text-muted); }
.view-toggle button[aria-pressed="true"] { background: var(--color-bg); color: var(--color-text); box-shadow: var(--shadow-sm); }
.pager { display: flex; justify-content: center; margin-top: var(--space-10); }
.filter-help { margin-top: var(--space-7); padding: var(--space-7); border-radius: var(--radius-lg); background: var(--color-primary-soft); border: 1px solid var(--color-primary-line); }
.filter-help h2 { font-family: var(--font-sans); font-size: var(--fs-xl); font-weight: 700; }
.filter-help p { margin-top: 6px; font-size: var(--fs-md); line-height: 1.6; color: var(--color-text-muted); }

/* ---------- 15. Chi tiết sản phẩm -------------------------------------- */
.pd-layout { display: grid; gap: var(--space-10); }
@media (min-width: 1024px) { .pd-layout { grid-template-columns: 1.05fr 1fr; gap: var(--space-12); } }
.gallery-main { position: relative; overflow: hidden; aspect-ratio: 4 / 3; border: 1px solid var(--color-border); border-radius: var(--radius-xl); background: var(--color-muted); cursor: zoom-in; }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease, opacity var(--dur-fast) ease; }
.gallery-main.is-zoomed img { transform: scale(1.6); }
.gallery-thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-5); margin-top: var(--space-5); }
.gallery-thumbs button { overflow: hidden; aspect-ratio: 1 / 1; border: 2px solid transparent; border-radius: var(--radius-md); background: var(--color-muted); opacity: .7; transition: opacity var(--dur-fast) ease, border-color var(--dur-fast) ease; }
.gallery-thumbs button:hover { opacity: 1; }
.gallery-thumbs button[aria-pressed="true"] { border-color: var(--color-primary); opacity: 1; }
.gallery-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd-title { margin-top: var(--space-5); font-size: clamp(24px, 1.6vw + 16px, 32px); line-height: 1.25; }
.pd-sub { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); margin-top: var(--space-5); font-size: var(--fs-md); color: var(--color-text-muted); }
.pd-sub b { color: var(--color-text); }
.pd-price { margin-top: var(--space-8); padding: var(--space-7); border-radius: var(--radius-lg); background: var(--color-surface-2); border: 1px solid var(--color-border); }
.pd-price .row-wrap { gap: var(--space-4) var(--space-6); }
.pd-highlights { display: grid; gap: var(--space-4); margin-top: var(--space-8); font-size: var(--fs-xl); }
.pd-buy { display: flex; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-8); }
.pd-buy .btn-primary { flex: 1 1 220px; }
.qty { display: inline-flex; align-items: center; height: 52px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); }
.qty button { display: grid; place-items: center; width: 44px; height: 100%; color: var(--color-text-muted); border-radius: var(--radius-md); }
.qty button:hover { color: var(--color-primary); }
.qty button:disabled { opacity: .4; cursor: not-allowed; }
.qty input { width: 48px; height: 100%; border: 0; background: transparent; text-align: center; font-weight: 700; -moz-appearance: textfield; }
.qty input::-webkit-outer-spin-button, .qty input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.qty-sm { height: 36px; }
.qty-sm button { width: 34px; }
.qty-sm input { width: 36px; font-size: var(--fs-md); }
.pd-perks { display: grid; gap: var(--space-5); margin-top: var(--space-8); }
@media (min-width: 640px) { .pd-perks { grid-template-columns: 1fr 1fr; } }
.perk { display: flex; align-items: center; gap: var(--space-5); padding: var(--space-5); border: 1px solid var(--color-border); border-radius: var(--radius-md); font-size: var(--fs-md); line-height: 1.4; }
.perk b { display: block; }
.perk span span { color: var(--color-text-muted); font-size: var(--fs-sm); }
.spec-table { width: 100%; border-collapse: collapse; font-size: var(--fs-xl); }
.spec-table th, .spec-table td { padding: 13px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-border); }
.spec-table th { width: 38%; font-weight: 600; color: var(--color-text-muted); }
.spec-table tr:nth-child(odd) { background: var(--color-surface-2); }
.table-scroll { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); }
.prose p + p { margin-top: var(--space-6); }
.prose p { font-size: var(--fs-3xl); line-height: 1.8; color: var(--color-text-muted); }
.prose h3 { margin-top: var(--space-9); margin-bottom: var(--space-5); font-size: var(--fs-h4); }
.pd-tabs { margin-top: var(--space-12); }
.pd-tabs .tab-panel { margin-top: var(--space-8); }

/* ---------- 16. Giỏ báo giá -------------------------------------------- */
.cart-line { display: flex; gap: var(--space-6); padding-block: var(--space-6); border-bottom: 1px solid var(--color-border); }
.cart-line:first-child { padding-top: 0; }
.cart-line img { width: 76px; height: 76px; border-radius: var(--radius-md); object-fit: cover; flex: none; background: var(--color-muted); }
.cart-line-body { flex: 1; min-width: 0; }
.cart-line h3 { font-family: var(--font-sans); font-size: var(--fs-xl); font-weight: 600; line-height: 1.4; letter-spacing: 0; }
.cart-line h3 a:hover { color: var(--color-primary); }
.cart-line .price { font-size: var(--fs-xl); }
.cart-line-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-4); margin-top: var(--space-4); }
.cart-page { display: grid; gap: var(--space-9); }
@media (min-width: 1024px) { .cart-page { grid-template-columns: minmax(0, 1fr) 380px; align-items: start; } }
.summary { position: sticky; top: calc(var(--header-h) + 20px); }
.summary-row { display: flex; justify-content: space-between; gap: var(--space-6); padding-block: 10px; font-size: var(--fs-xl); }
.summary-row + .summary-row { border-top: 1px dashed var(--color-border); }
.summary-row span:first-child { color: var(--color-text-muted); }
.summary-total { padding-top: var(--space-6); margin-top: var(--space-4); border-top: 1px solid var(--color-border); }
.success-panel { display: grid; justify-items: center; gap: var(--space-6); padding: var(--space-12) var(--space-8); text-align: center; }
.success-panel .icon-tile { width: 72px; height: 72px; border-radius: 24px; }
.success-panel h2 { font-size: var(--fs-h3); }
.success-panel p { max-width: 460px; color: var(--color-text-muted); font-size: var(--fs-xl); line-height: 1.7; }

/* So sánh */
.compare-bar { position: fixed; inset: auto 0 0 0; z-index: 80; border-top: 1px solid var(--color-border); background: var(--color-header); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); transform: translateY(110%); transition: transform .35s var(--ease-out); }
.compare-bar.is-open { transform: none; }
.compare-bar .container { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); padding-block: var(--space-5); }
.compare-items { display: flex; flex: 1; flex-wrap: wrap; gap: var(--space-4); }
.compare-chip { display: inline-flex; align-items: center; gap: var(--space-4); max-width: 260px; padding: 4px 4px 4px 4px; border: 1px solid var(--color-border); border-radius: var(--radius-pill); background: var(--color-surface); font-size: var(--fs-sm); font-weight: 600; }
.compare-chip img { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.compare-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.compare-chip button { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; color: var(--color-text-muted); }
.compare-chip button:hover { background: var(--color-danger-soft); color: var(--color-danger); }
.compare-table { width: 100%; min-width: 640px; border-collapse: collapse; font-size: var(--fs-md); }
.compare-table th, .compare-table td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--color-border); }
.compare-table thead th { vertical-align: bottom; }
.compare-table tbody th { width: 180px; font-weight: 600; color: var(--color-text-muted); background: var(--color-surface-2); }
.compare-table img { width: 100%; max-width: 180px; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-md); }

/* ---------- 17. Giới thiệu · Liên hệ ----------------------------------- */
.timeline { position: relative; display: grid; gap: var(--space-9); padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--color-primary), var(--color-accent)); opacity: .5; }
.tl-item { position: relative; }
.tl-item::before { content: ""; position: absolute; left: -28px; top: 4px; width: 16px; height: 16px; border-radius: 50%; border: 3px solid var(--color-bg); background: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-line); }
.tl-year { font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: 800; color: var(--color-primary); }
.tl-item h3 { margin-top: 2px; font-size: var(--fs-base); }
.tl-item p { margin-top: 6px; font-size: var(--fs-xl); line-height: 1.65; color: var(--color-text-muted); }
.value-card h3 { margin-top: var(--space-7); font-size: var(--fs-base); }
.value-card p { margin-top: var(--space-4); font-size: var(--fs-xl); line-height: 1.65; color: var(--color-text-muted); }
.team-card { text-align: center; }
.team-card .avatar { margin-inline: auto; }
.team-card h3 { margin-top: var(--space-6); font-size: var(--fs-base); }
.team-card p { margin-top: 4px; font-size: var(--fs-md); color: var(--color-text-muted); }
.cert-list { display: grid; gap: var(--space-5); }
.cert { display: flex; align-items: center; gap: var(--space-6); padding: var(--space-6); border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
.cert b { display: block; font-size: var(--fs-xl); }
.cert span span { display: block; margin-top: 2px; font-size: var(--fs-sm); color: var(--color-text-muted); }

.contact-card { display: flex; gap: var(--space-6); }
.contact-card h2, .contact-card h3 { font-family: var(--font-sans); font-size: var(--fs-md); font-weight: 600; letter-spacing: 0; color: var(--color-text-muted); }
.contact-card a, .contact-card strong { display: inline-block; margin-top: 4px; font-family: var(--font-display); font-size: 17px; font-weight: 800; }
.contact-card a:hover { color: var(--color-primary); }
.contact-card p { margin-top: 2px; font-size: var(--fs-sm); color: var(--color-text-muted); }
.contact-layout { display: grid; gap: var(--space-10); }
@media (min-width: 1024px) { .contact-layout { grid-template-columns: 7fr 5fr; align-items: start; } }
.office { overflow: hidden; }
.office iframe { width: 100%; height: 220px; border: 0; background: var(--color-muted); }
.office-body { padding: var(--space-7); }
.office-body h3 { font-size: var(--fs-base); }
.office-body p { display: flex; gap: var(--space-4); margin-top: var(--space-4); font-size: var(--fs-md); line-height: 1.55; color: var(--color-text-muted); }
.office-body .icon { width: 16px; height: 16px; margin-top: 2px; color: var(--color-primary); }
.map-placeholder { display: grid; place-items: center; gap: var(--space-4); height: 220px; padding: var(--space-6); background: var(--color-muted); text-align: center; font-size: var(--fs-md); color: var(--color-text-muted); }

/* ---------- 18. Footer ------------------------------------------------- */
.site-footer { margin-top: var(--space-12); background: var(--color-surface-2); }
.site-footer::before { content: ""; display: block; height: 4px; background: linear-gradient(90deg, var(--brand-green) 0 70%, var(--brand-orange) 70% 100%); }
.footer-grid { display: grid; gap: var(--space-10); padding-block: 56px; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: 4fr 2fr 2fr 4fr; } }
.footer-about { max-width: 380px; margin-top: var(--space-6); font-size: var(--fs-xl); line-height: 1.7; color: var(--color-text-muted); }
.socials { display: flex; gap: var(--space-4); margin-top: var(--space-7); }
.socials a { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); color: var(--color-text-muted); transition: all var(--dur-fast) ease; }
.socials a:hover { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-text-on-primary); }
.footer-col h2 { font-family: var(--font-sans); font-size: var(--fs-xl); font-weight: 700; letter-spacing: 0; }
.footer-links { display: grid; gap: 4px; margin-top: var(--space-5); }
.footer-links a { display: inline-flex; align-items: center; min-height: 32px; font-size: var(--fs-xl); color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-primary); }
.footer-contact { display: grid; gap: var(--space-5); margin-top: var(--space-7); font-size: var(--fs-xl); color: var(--color-text-muted); }
.footer-contact p { display: flex; gap: 10px; line-height: 1.55; }
.footer-contact .icon { width: 16px; height: 16px; margin-top: 3px; color: var(--color-primary); }
.footer-contact a:hover { color: var(--color-primary); }
.newsletter { display: flex; gap: var(--space-4); margin-top: var(--space-6); }
.newsletter .input { flex: 1; min-width: 0; }
.footer-bottom { display: flex; flex-direction: column; gap: var(--space-5); padding-block: var(--space-8); border-top: 1px solid var(--color-border); font-size: var(--fs-sm); color: var(--color-text-muted); }
@media (min-width: 768px) { .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; } }
.footer-bottom nav { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-7); }
.footer-bottom a:hover { color: var(--color-primary); }
.footer-credit { padding-bottom: var(--space-8); font-size: var(--fs-xs); line-height: 1.6; color: var(--color-text-muted); }
.footer-credit a { text-decoration: underline; }

/* ---------- 19. Nút nổi · Toast ---------------------------------------- */
.floating { position: fixed; right: 18px; bottom: 18px; z-index: 75; display: flex; flex-direction: column; gap: 10px; transition: transform .35s var(--ease-out); }
body.has-compare .floating { transform: translateY(-76px); }
.fab { display: grid; place-items: center; width: 50px; height: 50px; border-radius: 50%; box-shadow: var(--shadow-lift); transition: transform var(--dur-fast) ease; }
.fab:hover { transform: scale(1.06); }
.fab-call { background: var(--color-success); color: #fff; animation: pulseRing 2.4s infinite; }
.fab-zalo { background: #0068ff; color: #fff; font-size: 12px; font-weight: 800; letter-spacing: -.02em; }
.fab-top { border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text); opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity var(--dur-normal) ease, transform var(--dur-normal) var(--ease-out), visibility var(--dur-normal); }
.fab-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.fab-top:hover { color: var(--color-primary); border-color: var(--color-primary); }

.toast-region { position: fixed; right: 16px; bottom: 16px; z-index: 200; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
@media (max-width: 479px) { .toast-region { left: 16px; } }
.toast {
  display: flex; align-items: flex-start; gap: var(--space-5); width: min(380px, 100%); padding: 14px 14px 14px 16px;
  border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); box-shadow: var(--shadow-pop);
  pointer-events: auto; animation: fadeUp .3s var(--ease-out) both;
}
.toast.is-leaving { opacity: 0; transform: translateX(16px); transition: opacity var(--dur-normal) ease, transform var(--dur-normal) ease; }
.toast > .icon { margin-top: 1px; }
.toast-success > .icon { color: var(--color-success); }
.toast-error > .icon { color: var(--color-danger); }
.toast-info > .icon { color: var(--color-primary); }
.toast b { display: block; font-size: var(--fs-xl); }
.toast p { margin-top: 2px; font-size: var(--fs-sm); line-height: 1.5; color: var(--color-text-muted); }
.toast-close { margin-left: auto; display: grid; place-items: center; width: 28px; height: 28px; border-radius: var(--radius-xs); color: var(--color-text-muted); flex: none; }
.toast-close:hover { background: var(--color-muted); color: var(--color-text); }

/* ---------- 20. Hiệu ứng ----------------------------------------------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-100%); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes shimmer { to { transform: translateX(100%); } }
@keyframes pulseRing { 0% { box-shadow: 0 0 0 0 var(--color-success-soft), var(--shadow-lift); } 70% { box-shadow: 0 0 0 14px transparent, var(--shadow-lift); } 100% { box-shadow: 0 0 0 0 transparent, var(--shadow-lift); } }

.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
  .topbar, .site-header, .site-footer, .floating, .compare-bar, .toast-region, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
}
.media > a { display: block; height: 100%; }
.avatar-photo { object-fit: cover; background: var(--color-muted); }