/* =====================================================================
   VDOOR — cuaviet.net · giao diện nền tối, tương phản cao
   Font: Be Vietnam Pro (giống baochay.tanvien.vn) · tự host, đủ dấu tiếng Việt
   Màu, chữ, khoảng cách khai báo một lần ở :root.
   ===================================================================== */

/* ---------- Font ---------- */
@font-face { font-family: 'Be Vietnam Pro'; font-style: normal; font-weight: 400; font-display: swap; src: url(../fonts/be-vietnam-pro-vietnamese-400-normal.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/be-vietnam-pro-latin-400-normal.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/be-vietnam-pro-vietnamese-500-normal.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/be-vietnam-pro-latin-500-normal.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/be-vietnam-pro-vietnamese-600-normal.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/be-vietnam-pro-latin-600-normal.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/be-vietnam-pro-vietnamese-700-normal.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/be-vietnam-pro-latin-700-normal.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/be-vietnam-pro-vietnamese-800-normal.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/be-vietnam-pro-latin-800-normal.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; }

/* ---------- Tokens ---------- */
:root {
  color-scheme: dark;
  --bg: #121314;          /* nền trang */
  --bg-2: #1a1b1d;        /* nền khối xen kẽ */
  --surface: #222326;     /* thẻ, ô nhập */
  --surface-2: #2c2d31;   /* rê chuột */
  --panel: #f2f2f0;       /* khung sáng đặt ảnh sản phẩm */
  --panel-ink: #1b1b1b;
  --ink: #f4f4f2;
  --muted: #b9b9b5;
  --line: rgba(255, 255, 255, 0.14);
  --accent: #d0202f;      /* đỏ VDOOR cho nút */
  --accent-hover: #b0141f;
  --accent-ink: #ffffff;
  --maroon: #72222a;      /* đỏ mận catalogue */
  --logo-red: #ec3237;

  --font: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --fs-small: 0.875rem;
  --fs-body: 1.0625rem;
  --fs-lead: clamp(1.125rem, 1rem + 0.45vw, 1.375rem);
  --fs-h3: clamp(1.0625rem, 1rem + 0.25vw, 1.25rem);
  --fs-h2: clamp(1.75rem, 1.25rem + 1.7vw, 2.75rem);
  --fs-h1: clamp(2.25rem, 1.4rem + 3.4vw, 4.5rem);

  --margin: clamp(1rem, 3vw, 2.5rem);
  --max: 1320px;
  --gutter: clamp(1rem, 2vw, 1.75rem);
  --section: clamp(5.5rem, 8vw, 7.5rem);
  --header-h: 72px;
  --radius: 6px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scrollbar-color: #4a4b50 var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: var(--fs-body); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: clip; }
h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul[class], ol[class] { padding: 0; list-style: none; }
img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
:target { scroll-margin-top: calc(var(--header-h) + 1rem); }
::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: var(--margin); top: -100px; z-index: 100; background: #fff; color: #000; padding: 0.75rem 1rem; text-decoration: none; }
.skip:focus { top: 0.5rem; }

/* ---------- Chữ ---------- */
h1, h2, h3 { font-family: var(--font); text-wrap: balance; }
h1 { font-size: var(--fs-h1); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
h2 { font-size: var(--fs-h2); font-weight: 800; line-height: 1.15; letter-spacing: -0.025em; }
h3 { font-size: var(--fs-h3); font-weight: 700; line-height: 1.35; letter-spacing: -0.01em; }
.lead { font-size: var(--fs-lead); line-height: 1.55; max-width: 46ch; color: var(--ink); }
.small { font-size: var(--fs-small); }
.muted { color: var(--muted); }
p { max-width: 68ch; text-wrap: pretty; }
p + p { margin-top: 0.9em; }
.nums { font-variant-numeric: tabular-nums; }
.accent-text { color: var(--logo-red); }

/* ---------- Bố cục ---------- */
.wrap { width: min(100% - 2 * var(--margin), var(--max)); margin-inline: auto; }
.section { padding-block: var(--section); }
.section.alt { background: var(--bg-2); }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 2rem; margin-bottom: clamp(1.75rem, 3vw, 2.75rem); }
.section-head p { color: var(--muted); max-width: 56ch; }
.section-head .text { display: grid; gap: 0.75rem; }

/* ---------- Nút, link ---------- */
.button { display: inline-flex; align-items: center; justify-content: center; gap: 0.6em; min-height: 3.1rem; padding: 0 1.4rem; background: var(--accent); color: var(--accent-ink); border-radius: var(--radius); text-decoration: none; font-weight: 700; font-size: 1rem; white-space: nowrap; transition: background-color 180ms ease, transform 140ms var(--ease-out); }
.button:hover { background: var(--accent-hover); }
.button:active { transform: scale(0.97); }
.button.is-ghost { background: transparent; color: var(--ink); border: 1.5px solid rgba(255,255,255,0.55); }
.button.is-ghost:hover { background: rgba(255,255,255,0.08); }
.button.is-light { background: var(--panel); color: var(--panel-ink); }
.button.is-light:hover { background: #fff; }
.button.is-small { min-height: 2.6rem; padding: 0 1rem; font-size: var(--fs-small); }
.button .arrow, .link-arrow .arrow { transition: transform 240ms var(--ease-out); }
.button:hover .arrow, .link-arrow:hover .arrow { transform: translateX(4px); }
.link { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.22em; text-decoration-color: rgba(255,255,255,0.45); transition: text-decoration-color 180ms ease; }
.link:hover { text-decoration-color: currentColor; }
.link-arrow { display: inline-flex; align-items: center; gap: 0.45em; font-weight: 600; text-decoration: none; color: var(--ink); }
.link-arrow span:first-child { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.22em; text-decoration-color: rgba(255,255,255,0.45); }
.link-arrow:hover span:first-child { text-decoration-color: currentColor; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; }

/* ---------- Header ---------- */
.topbar { background: var(--maroon); color: #fff; font-size: var(--fs-small); }
.topbar .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.25rem 1.5rem; padding-block: 0.4rem; }
.topbar a { color: #fff; text-decoration: none; font-weight: 600; }
.topbar a:hover { text-decoration: underline; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(18,19,20,0.96); backdrop-filter: saturate(1.2) blur(8px); }
.site-header .wrap { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { height: 40px; width: auto; }
.nav { display: flex; align-items: center; gap: clamp(0.9rem, 2vw, 2rem); }
.nav a:not(.button) { text-decoration: none; font-size: 0.9375rem; font-weight: 600; color: var(--ink); position: relative; padding-block: 0.4rem; }
.nav a:not(.button)::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--logo-red); transform: scaleX(0); transform-origin: left; transition: transform 240ms var(--ease-out); }
.nav a:not(.button):hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav .button { min-height: 2.75rem; font-size: 0.9375rem; padding: 0 1.1rem; }
.menu-toggle { display: none; font-weight: 700; min-height: 44px; padding: 0 0.5rem; }
@media (max-width: 1000px) {
  .menu-toggle { display: inline-flex; align-items: center; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--bg-2); padding: 0.5rem var(--margin) 1.5rem; border-bottom: 1px solid var(--line); visibility: hidden; opacity: 0; transform: translateY(-8px); transition: opacity 240ms ease, transform 240ms var(--ease-out), visibility 0s linear 240ms; }
  .nav.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .nav a:not(.button) { font-size: 1.125rem; padding: 0.85rem 0; border-bottom: 1px solid var(--line); }
  .nav a:not(.button)::after { display: none; }
  .nav .button { margin-top: 1rem; min-height: 3.1rem; }
  .no-js .nav { position: static; visibility: visible; opacity: 1; transform: none; flex-direction: row; flex-wrap: wrap; background: none; border: 0; padding: 0; }
  .no-js .menu-toggle { display: none; }
  .brand img { height: 34px; }
}

/* =====================================================================
   THẺ SẢN PHẨM — ảnh hiện trọn vẹn trên khung sáng (kiểu 3ce.vn)
   ===================================================================== */
.grid-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 1.6vw, 1.5rem); }
.grid-cards.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cards.cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 1100px) { .grid-cards, .grid-cards.cols-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 800px) { .grid-cards, .grid-cards.cols-3, .grid-cards.cols-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.pcard { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius); overflow: hidden; transition: transform 300ms var(--ease-out), box-shadow 300ms var(--ease-out), background-color 200ms ease; }
.pcard:hover { transform: translateY(-4px); box-shadow: 0 18px 36px -18px rgba(0,0,0,0.75); background: var(--surface-2); }
.pcard-img { position: relative; display: flex; align-items: center; justify-content: center; aspect-ratio: 4 / 5; background: var(--panel); }
.pcard-img img { position: absolute; inset: 6%; width: 88%; height: 88%; object-fit: contain; transition: transform 500ms var(--ease-soft); }
.pcard:hover .pcard-img img { transform: scale(1.035); }
.grid-cards.sq .pcard-img { aspect-ratio: 1 / 1; }
.pcard-img.is-empty { color: #555; font-size: var(--fs-small); font-weight: 600; text-align: center; }
.pcard-body { display: flex; flex-direction: column; gap: 0.6rem; padding: 1rem 1.1rem 1.15rem; flex: 1; }
.pcard-body h3 { font-size: 1rem; line-height: 1.4; }
.pcard-body h3 a { text-decoration: none; }
.pcard-body h3 a::after { content: ''; position: absolute; inset: 0; }
.pcard { position: relative; }
.pcard-actions { margin-top: auto; padding-top: 0.4rem; display: flex; gap: 0.5rem; position: relative; z-index: 1; }
.pcard-actions a { flex: 1; display: inline-flex; align-items: center; justify-content: center; min-height: 2.5rem; border-radius: 4px; font-size: 0.875rem; font-weight: 700; text-decoration: none; transition: background-color 180ms ease; }
.pcard-actions .a-detail { background: rgba(255,255,255,0.08); color: var(--ink); }
.pcard-actions .a-detail:hover { background: rgba(255,255,255,0.16); }
.pcard-actions .a-quote { background: var(--accent); color: #fff; }
.pcard-actions .a-quote:hover { background: var(--accent-hover); }
.chips { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.chip { display: inline-flex; align-items: center; min-height: 1.6rem; padding: 0 0.55rem; border-radius: 4px; background: rgba(255,255,255,0.08); color: var(--ink); font-size: 0.8125rem; font-weight: 600; white-space: nowrap; }
.chip.is-ei { background: rgba(236,50,55,0.18); color: #ff9aa0; }
.chip.is-pending { background: rgba(255,200,80,0.14); color: #ffd27a; }
@media (max-width: 560px) {
  .pcard-body { padding: 0.75rem 0.75rem 0.85rem; }
  .pcard-body h3 { font-size: 0.875rem; }
  .pcard-actions { flex-direction: column; }
  .chip { font-size: 0.8125rem; }
}

/* Ô nhóm sản phẩm */
.cat-tile { position: relative; display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform 300ms var(--ease-out), background-color 200ms ease; }
.cat-tile:hover { transform: translateY(-4px); background: var(--surface-2); }
.cat-tile .pcard-img { aspect-ratio: 1 / 1; }
.cat-tile .t-body { padding: 0.9rem 1rem 1.1rem; display: grid; gap: 0.3rem; }
.cat-tile h3 { font-size: 1rem; }
.cat-tile .t-count { font-size: var(--fs-small); color: var(--muted); }
.cat-tile:hover .pcard-img img { transform: scale(1.04); }

/* =====================================================================
   TRANG CHỦ
   ===================================================================== */
.hero { position: relative; padding-block: clamp(2.5rem, 5vw, 4.5rem) clamp(3rem, 5vw, 4.5rem); background: var(--bg); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.hero-text { display: grid; gap: 1.4rem; align-content: center; }
.hero-text h1 span { color: #ff4d54; }
.hero-text .lead { color: #dcdcd8; }
.hero-facts { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 0.5rem 2rem; margin-top: 0.5rem; }
.hero-facts div { display: grid; gap: 0.1rem; }
.hero-facts strong { font-size: 1.375rem; font-weight: 800; letter-spacing: -0.02em; }
.hero-facts span { font-size: var(--fs-small); color: var(--muted); }
.lineup { display: grid; grid-template-columns: 0.8fr 1.25fr 0.8fr; align-items: end; gap: clamp(0.6rem, 1.2vw, 1rem); background: var(--panel); border-radius: 10px; padding: clamp(1rem, 2.5vw, 2rem) clamp(1rem, 2.5vw, 2rem) 0; position: relative; }
.lineup figure { display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.lineup img { max-height: clamp(300px, 34vw, 500px); width: auto; object-fit: contain; filter: drop-shadow(0 22px 18px rgba(0,0,0,0.28)); }
.lineup figcaption { align-self: stretch; text-align: center; color: var(--panel-ink); font-size: 0.8125rem; font-weight: 600; padding: 0.6rem 0 0.9rem; }
.lineup a { text-decoration: none; display: contents; }
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem 1rem; }
  .lineup img { max-height: 58vw; }
}

/* Bộ chọn cấu hình */
.cfg-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.door-stage { background: var(--panel); border-radius: 10px; display: flex; align-items: center; justify-content: center; height: clamp(440px, 46vw, 640px); padding: 6%; perspective: 1400px; min-width: 0; }
.door-tilt { height: 100%; width: 100%; display: flex; align-items: center; justify-content: center; transform: rotateY(var(--ry, 0deg)) rotateX(var(--rx, 0deg)); transition: transform 500ms var(--ease-out); }
.door-tilt img { max-height: 100%; max-width: 100%; width: auto; height: auto; object-fit: contain; filter: drop-shadow(0 24px 20px rgba(0,0,0,0.3)); transition: opacity 320ms ease, transform 520ms var(--ease-out); }
.door-tilt img.is-swapping { opacity: 0; transform: translateY(14px) scale(0.985); }
.configurator { display: grid; gap: 1.5rem; }
.cfg-groups { display: grid; gap: 1.25rem; }
.cfg-group { border: 0; padding: 0; margin: 0; min-width: 0; }
.cfg-group legend { font-size: var(--fs-small); font-weight: 600; color: var(--muted); margin-bottom: 0.55rem; padding: 0; }
.cfg-options { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cfg-options label { position: relative; }
.cfg-options input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.cfg-options span { display: inline-flex; align-items: center; min-height: 2.9rem; padding: 0 1.15rem; border-radius: 4px; background: var(--surface); color: var(--ink); font-weight: 600; font-size: 0.9375rem; border: 1px solid var(--line); transition: background-color 180ms ease, color 180ms ease, transform 140ms var(--ease-out); }
.cfg-options label:hover span { background: var(--surface-2); }
.cfg-options input:checked + span { background: var(--ink); color: #111; border-color: var(--ink); }
.cfg-options input:focus-visible + span { outline: 2px solid #fff; outline-offset: 3px; }
.cfg-options label:active span { transform: scale(0.97); }
.cfg-name { font-size: var(--fs-lead); font-weight: 700; line-height: 1.35; }
.cfg-note { color: var(--muted); }
.facts-list { display: grid; background: var(--surface); border-radius: var(--radius); padding: 0.5rem 1.1rem; }
.facts-list div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; padding: 0.55rem 0; }
.facts-list dt { color: var(--muted); font-size: 0.9375rem; }
.facts-list dd { font-weight: 600; font-size: 0.9375rem; }
@media (max-width: 960px) { .cfg-grid { grid-template-columns: 1fr; } .door-stage { height: min(110vw, 520px); } .facts-list div { grid-template-columns: 8rem 1fr; } }

/* Cấu tạo */
.anatomy-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 4vw, 4rem); align-items: center; }
.anatomy-pic { position: relative; background: var(--panel); border-radius: 10px; aspect-ratio: 4 / 5; }
.anatomy-pic img { position: absolute; inset: 6%; width: 88%; height: 88%; object-fit: contain; }
.points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-top: 2rem; }
.points li { background: var(--surface); border-radius: var(--radius); padding: 1rem 1.1rem; }
.points h3 { font-size: 1rem; display: flex; align-items: baseline; gap: 0.5rem; }
.points h3::before { content: ''; flex: none; width: 0.6em; height: 0.6em; background: var(--logo-red); clip-path: polygon(0 0, 62% 0, 100% 38%, 100% 100%, 0 100%); }
.points p { font-size: 0.9375rem; color: var(--muted); margin-top: 0.35rem; }
@media (max-width: 960px) { .anatomy-grid { grid-template-columns: 1fr; } .anatomy-pic { max-width: 420px; } .points { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .points { grid-template-columns: 1fr; } }

/* Năng lực nhà máy */
.factory-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(1.5rem, 3vw, 3rem); align-items: stretch; }
.factory-pic { border-radius: 10px; overflow: hidden; position: relative; min-height: 420px; }
.factory-pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.factory-pic figcaption { position: absolute; left: 1rem; top: 1rem; background: rgba(0,0,0,0.65); color: #fff; font-size: var(--fs-small); padding: 0.3rem 0.65rem; border-radius: 4px; }
.factory-side { display: grid; gap: 1.25rem; align-content: center; }
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.stat { background: var(--surface); border-radius: var(--radius); padding: 1rem 1.1rem; }
.stat strong { display: block; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.stat span { color: var(--muted); font-size: var(--fs-small); }
.machine-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(0.75rem, 1.4vw, 1.25rem); margin-top: clamp(1.5rem, 3vw, 2.5rem); }
.machine-strip figure { background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.machine-strip .m-img { aspect-ratio: 4 / 3; background: #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.machine-strip img { width: 100%; height: 100%; object-fit: contain; }
.machine-strip figcaption { padding: 0.7rem 0.9rem 0.85rem; font-size: 0.9375rem; font-weight: 600; }
@media (max-width: 960px) { .factory-grid { grid-template-columns: 1fr; } .machine-strip { grid-template-columns: 1fr 1fr; } }

/* Công trình */
.project-card { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); background: var(--surface); border-radius: 10px; overflow: hidden; }
.project-card .p-img { background: #fff; display: flex; align-items: center; justify-content: center; }
.project-card .p-img img { width: 100%; height: auto; object-fit: contain; }
.project-card .p-body { padding: clamp(1.5rem, 3vw, 2.5rem); display: grid; gap: 1.1rem; align-content: center; }
.project-card dl { display: grid; gap: 0.7rem; }
.project-card dt { font-size: var(--fs-small); color: var(--muted); }
.project-card dd { font-weight: 600; }
@media (max-width: 860px) { .project-card { grid-template-columns: 1fr; } }

/* Lời kêu gọi */
.cta-band { background: var(--maroon); border-radius: 10px; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 2rem; align-items: center; padding: clamp(1.75rem, 4vw, 3.25rem); }
.cta-band p { color: #f3dfe1; margin-top: 0.75rem; }
.cta-band .cta-side { display: grid; gap: 0.9rem; justify-items: start; }
.cta-band .hotline { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); font-weight: 800; letter-spacing: -0.02em; text-decoration: none; }
@media (max-width: 860px) { .cta-band { grid-template-columns: 1fr; } }

/* Liên hệ nhanh */
.visit-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(1.5rem, 3vw, 3rem); align-items: stretch; }
.visit-card { background: var(--surface); border-radius: 10px; padding: clamp(1.5rem, 3vw, 2.25rem); display: grid; gap: 1.1rem; align-content: start; }
.visit-card address { font-style: normal; font-size: var(--fs-lead); line-height: 1.5; }
.visit-card .rows { display: grid; gap: 0.6rem; }
.visit-card .rows div { display: flex; justify-content: space-between; gap: 1rem; }
.visit-card .rows dt { color: var(--muted); }
.visit-card .rows dd { font-weight: 600; text-align: right; }
.visit-pic { border-radius: 10px; overflow: hidden; position: relative; min-height: 360px; }
.visit-pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.visit-pic figcaption { position: absolute; left: 1rem; bottom: 1rem; background: rgba(0,0,0,0.65); color: #fff; font-size: var(--fs-small); padding: 0.3rem 0.65rem; border-radius: 4px; }
@media (max-width: 860px) { .visit-grid { grid-template-columns: 1fr; } }

/* ---------- Chân trang ---------- */
.site-footer { background: #0b0b0c; padding: clamp(3rem, 6vw, 4.5rem) 0 1.5rem; font-size: 0.9375rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.footer-grid h2 { font-size: 1.1875rem; font-weight: 700; margin-bottom: 0.9rem; letter-spacing: 0; }
.footer-grid ul { display: grid; gap: 0.5rem; }
.footer-grid a { text-decoration: none; color: #d7d7d3; }
.footer-grid a:hover { color: #fff; text-decoration: underline; text-underline-offset: 0.2em; }
.footer-brand img { height: 46px; width: auto; margin-bottom: 1rem; }
.footer-brand p { color: var(--muted); max-width: 36ch; }
.imprint { margin-top: 2.5rem; padding-top: 1.25rem; color: var(--muted); font-size: var(--fs-small); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem; max-width: none; }
.imprint a { color: inherit; }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }

/* =====================================================================
   TRANG CON
   ===================================================================== */
.crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 0.6rem; font-size: var(--fs-small); color: var(--muted); }
.crumbs li + li::before { content: '/'; margin-right: 0.6rem; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { text-decoration: underline; color: var(--ink); }
.page-head { padding-block: clamp(1.75rem, 3.5vw, 3rem) clamp(2rem, 4vw, 3.5rem); background: var(--bg-2); }
.page-head .wrap { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.ph-text { display: grid; gap: 1.1rem; align-content: center; }
.ph-text h1 { font-size: clamp(2rem, 1.4rem + 2.4vw, 3.5rem); }
.ph-pic { border-radius: 10px; overflow: hidden; height: clamp(340px, 44vw, 620px); background: var(--panel); display: flex; align-items: center; justify-content: center; }
.ph-pic img { width: 100%; height: 100%; object-fit: cover; }
.ph-pic { position: relative; }
.ph-pic.is-contain img { position: absolute; inset: 6%; width: 88%; height: 88%; object-fit: contain; }
.page-head.no-pic .wrap { grid-template-columns: 1fr; }
@media (max-width: 860px) { .page-head .wrap { grid-template-columns: 1fr; } .ph-pic { height: 56vw; } }

.block { padding-block: var(--section) 0; }
.block:last-child { padding-bottom: var(--section); }
.block-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.75rem 2rem; align-items: end; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.block-head p { color: var(--muted); }
@media (max-width: 860px) { .block-head { grid-template-columns: 1fr; } }

/* Lọc sản phẩm */
.filters { position: sticky; top: var(--header-h); z-index: 5; background: rgba(18,19,20,0.96); border-bottom: 1px solid var(--line); }
.filters .wrap { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-block: 0.75rem; }
.filters button { min-height: 2.6rem; padding: 0 1rem; border-radius: 4px; background: var(--surface); font-weight: 600; font-size: 0.9375rem; border: 1px solid var(--line); transition: background-color 180ms ease, color 180ms ease; }
.filters button:hover { background: var(--surface-2); }
.filters button[aria-pressed="true"] { background: var(--ink); color: #111; border-color: var(--ink); }
@media (max-width: 860px) { .filters { position: static; } .filters .wrap { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; } .filters button { flex: none; } }
.filter-status { color: var(--muted); font-size: var(--fs-small); margin-left: auto; align-self: center; }
@media (max-width: 860px) { .filter-status { display: none; } }
.catgroup[hidden] { display: none; }

/* Giới thiệu nhóm sản phẩm (dưới lưới, như 3ce) */
.cat-desc { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.cat-desc .prose-box { display: grid; gap: 0.9rem; }
.cat-desc ul { padding-left: 1.2rem; display: grid; gap: 0.4rem; }
.spec-box { background: var(--surface); border-radius: var(--radius); padding: 1.25rem 1.3rem; }
.spec-box h3 { margin-bottom: 0.6rem; }
@media (max-width: 860px) { .cat-desc { grid-template-columns: 1fr; } }

/* Chi tiết sản phẩm */
.pd-head { padding-top: clamp(1.25rem, 2.5vw, 2rem); display: grid; gap: 0.6rem; }
.pd-head h1 { font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.75rem); }
.pd-head .code { font-weight: 700; color: #ff9aa0; }
.pd { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; padding-top: clamp(1.5rem, 3vw, 2.5rem); }
.pd-gallery { display: grid; gap: 0.75rem; }
.pd-main { position: relative; background: var(--panel); border-radius: 10px; aspect-ratio: 4 / 5; max-height: calc(100svh - var(--header-h) - 3rem); width: 100%; }
.pd-main.is-wide { aspect-ratio: 4 / 3; }
.pd-main img { position: absolute; inset: 5%; width: 90%; height: 90%; object-fit: contain; transition: opacity 260ms ease; }
.pd-thumbs { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.pd-thumbs button { width: 88px; aspect-ratio: 1; background: var(--panel); border-radius: 4px; padding: 6px; transition: transform 140ms var(--ease-out); }
.pd-thumbs button img { width: 100%; height: 100%; object-fit: contain; }
.pd-thumbs button[aria-current="true"] { outline: 2px solid var(--logo-red); outline-offset: 2px; }
.pd-thumbs button:active { transform: scale(0.96); }
.pd-info { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: 1.25rem; }
.pd-info h1 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.6rem); }
.pd-info .code { display: inline-block; font-weight: 700; color: #ff9aa0; }
.pd.no-pic { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.pd.no-pic .pd-info { position: static; }
.spec-table { width: 100%; border-collapse: collapse; background: var(--surface); border-radius: var(--radius); overflow: hidden; font-size: 0.9375rem; }
.spec-table th, .spec-table td { text-align: left; vertical-align: top; padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
.spec-table th { font-weight: 500; color: var(--muted); width: 40%; }
.spec-table td { font-weight: 600; }
.fire-note { background: rgba(236,50,55,0.1); box-shadow: inset 0 0 0 1px rgba(236,50,55,0.35); border-radius: var(--radius); padding: 1rem 1.15rem; font-size: 0.9375rem; color: #f1dadb; }
.fire-note strong { display: block; color: #ff9aa0; margin-bottom: 0.25rem; }
.pending-box { background: rgba(255,200,80,0.1); box-shadow: inset 0 0 0 1px rgba(255,200,80,0.3); border-radius: var(--radius); padding: 0.9rem 1.1rem; font-size: 0.9375rem; color: #f3e6c7; }
.pending-box strong { color: #ffd27a; }
@media (max-width: 960px) { .pd, .pd.no-pic { grid-template-columns: 1fr; } .pd-info { position: static; } .pd-main { max-height: none; } }

/* Nhà máy */
.machines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(0.75rem, 1.5vw, 1.25rem); }
.machines figure { background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.machines .mpic { aspect-ratio: 4 / 3; background: #fff; display: flex; align-items: center; justify-content: center; }
.machines img { width: 100%; height: 100%; object-fit: contain; }
.machines figcaption { padding: 0.75rem 1rem 0.9rem; font-weight: 600; font-size: 0.9375rem; }
@media (max-width: 860px) { .machines { grid-template-columns: 1fr 1fr; } }
.renders { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(0.75rem, 1.5vw, 1.25rem); }
.renders figure:first-child { grid-column: 1 / -1; }
.renders .rpic { aspect-ratio: 16 / 9; overflow: hidden; border-radius: var(--radius); }
.renders img { width: 100%; height: 100%; object-fit: cover; }
.renders figcaption { margin-top: 0.5rem; font-size: var(--fs-small); color: var(--muted); }
@media (max-width: 720px) { .renders { grid-template-columns: 1fr; } }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(0.75rem, 1.5vw, 1.25rem); }
.stage { background: var(--surface); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.stage .tile { aspect-ratio: 4 / 3; background: #fff; display: flex; align-items: center; justify-content: center; }
.stage .tile img { width: 100%; height: 100%; object-fit: contain; }
.stage-text { padding: 0.9rem 1rem 1.1rem; }
.stage h3 { font-size: 1.0625rem; }
.stage p { font-size: 0.9375rem; color: var(--muted); margin-top: 0.3rem; }
@media (max-width: 860px) { .process-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .process-grid { grid-template-columns: 1fr; } }
.facts-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.facts-row > div { background: var(--surface); border-radius: var(--radius); padding: 1.1rem 1.25rem; }
.facts-row strong { display: block; font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.facts-row span { display: block; color: var(--muted); margin-top: 0.35rem; font-size: 0.9375rem; }
@media (max-width: 720px) { .facts-row { grid-template-columns: 1fr; } }

/* Văn bản */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 1.5rem clamp(1.5rem, 4vw, 4rem); align-items: start; }
.split ul { padding-left: 1.2rem; display: grid; gap: 0.45rem; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.vm { display: grid; gap: 1rem; }
.vm > div { background: var(--surface); border-radius: var(--radius); padding: 1.2rem 1.3rem; }
.vm h3 { margin-bottom: 0.4rem; color: #ff9aa0; }
.mini-specs { display: grid; gap: 0.5rem; }
.mini-specs div { display: grid; grid-template-columns: 10rem 1fr; gap: 1rem; }
.mini-specs dt { color: var(--muted); }
.mini-specs dd { font-weight: 600; }
@media (max-width: 560px) { .mini-specs div { grid-template-columns: 1fr; gap: 0.1rem; } }

/* Tài liệu */
.docs { display: grid; gap: 0.75rem; }
.doc { display: grid; grid-template-columns: 150px 1fr auto; gap: 1.5rem; align-items: center; background: var(--surface); border-radius: var(--radius); padding: 1.1rem; }
.doc img { width: 150px; height: auto; border-radius: 4px; background: #fff; }
.doc .meta { font-size: var(--fs-small); color: var(--muted); margin-top: 0.3rem; }
.doc p { margin-top: 0.5rem; font-size: 0.9375rem; }
@media (max-width: 720px) { .doc { grid-template-columns: 1fr; } .doc img { width: 120px; } }
.cat-pages { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 1rem; }
.cat-pages a { text-decoration: none; }
.cat-pages img { width: 100%; height: auto; background: #fff; border-radius: 4px; transition: transform 400ms var(--ease-out); }
.cat-pages a:hover img { transform: translateY(-5px); }
.cat-pages figcaption { margin-top: 0.5rem; font-size: var(--fs-small); font-weight: 600; }
@media (max-width: 860px) { .cat-pages { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.req-list { display: grid; gap: 0.5rem; }
.req-list li { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 1rem; background: var(--surface); border-radius: var(--radius); padding: 1rem 1.2rem; font-weight: 600; }

/* Liên hệ & form */
.contact-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; padding-top: var(--section); }
.contact-info { display: grid; gap: 1.25rem; }
.contact-info .hot { font-size: clamp(1.75rem, 1.2rem + 1.8vw, 2.75rem); font-weight: 800; letter-spacing: -0.03em; text-decoration: none; }
.contact-info address { font-style: normal; font-size: var(--fs-lead); }
.contact-pic { position: relative; }
.contact-pic img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; border-radius: var(--radius); }
.contact-pic figcaption { position: absolute; left: 0.75rem; top: 0.75rem; background: rgba(0,0,0,0.65); color: #fff; font-size: var(--fs-small); padding: 0.25rem 0.6rem; border-radius: 4px; }
.form-wrap { background: var(--surface); border-radius: 10px; padding: clamp(1.25rem, 3vw, 2.25rem); }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1rem; margin-top: 1.5rem; }
.form .full { grid-column: 1 / -1; }
.fieldset { display: grid; gap: 0.4rem; }
.fieldset label { font-size: 0.9375rem; font-weight: 600; }
.input { width: 100%; min-height: 3rem; padding: 0.7rem 0.9rem; background: #151618; color: var(--ink); border: 1px solid #45464b; border-radius: 4px; font-size: 1rem; transition: border-color 180ms ease; }
.input::placeholder { color: #8d8d89; }
.input:hover { border-color: #6a6b70; }
.input:focus { border-color: #fff; outline: 1px solid #fff; outline-offset: 0; }
textarea.input { min-height: 8rem; resize: vertical; }
select.input { appearance: auto; }
.input[aria-invalid="true"] { border-color: #ff6b74; }
.err { font-size: var(--fs-small); color: #ff8a92; }
.check { display: flex; gap: 0.75rem; align-items: flex-start; font-size: 0.9375rem; }
.check input { width: 1.25rem; height: 1.25rem; margin-top: 0.15rem; accent-color: var(--accent); flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { grid-column: 1 / -1; padding: 0.9rem 1.1rem; border-radius: 4px; display: none; }
.form-status.is-show { display: block; }
.form-status.is-ok { background: #173a24; color: #c9f0d4; }
.form-status.is-error { background: #4a171d; color: #ffd5d8; }
.form-status.is-busy { background: #2a2b2f; }
.form button[type="submit"][disabled] { opacity: 0.6; cursor: progress; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } .form { grid-template-columns: 1fr; } }

.notfound { min-height: 60svh; display: grid; align-content: center; gap: 1.25rem; padding-block: 4rem; }

/* ---------- Chuyển động: nội dung luôn hiện khi tắt JS ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0.15; transform: translateY(22px); transition: opacity 560ms var(--ease-out), transform 760ms var(--ease-out); transition-delay: calc(var(--i, 0) * 60ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  .js [data-rise] { opacity: 0; transform: translateY(16px); animation: rise 700ms var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 90ms + 100ms); }
}
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* Khối trang con: tự căn lề như .wrap */
.block, .contact-grid, .notfound { padding-inline: max(var(--margin), calc((100% - var(--max)) / 2)); }
.hero-facts strong { white-space: nowrap; }
@media (max-width: 560px) { .hero-facts strong { font-size: 1.0625rem; } }
.ph-pic.is-lineup { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 4%; padding: 5% 5% 0; align-items: end; }
.ph-pic.is-lineup span { height: 100%; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 6%; }
.ph-pic.is-lineup img { width: auto; height: auto; max-width: 100%; max-height: 100%; object-fit: contain; filter: drop-shadow(0 18px 14px rgba(0,0,0,0.25)); }