/* Hai Lửa — giao diện cửa hàng. Giấy ngà, mực nâu đen, một màu nhấn đỏ men sắt. */
:root {
  --paper: #f3eee5;
  --paper-2: #e9e1d3;
  --paper-3: #dcd1bf;
  --field: #faf7f1;
  --ink: #211c17;
  --ink-2: #463d34;
  --muted: #74695c;
  --line: rgb(33 28 23 / .14);
  --line-strong: rgb(33 28 23 / .3);
  --ember: #a2401d;
  --ember-deep: #7c2e13;
  --ember-soft: #efd8c6;
  --ok: #3e6a4c;
  --display: 'Newsreader', 'Iowan Old Style', Georgia, serif;
  --sans: 'Familjen Grotesk', 'Segoe UI', system-ui, sans-serif;
  --gutter: clamp(1rem, 4vw, 3rem);
  --maxw: 88rem;
  --ease: cubic-bezier(.2, .7, .1, 1);
  --header-h: 4.5rem;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }
html.nav-lock { overflow: hidden; }
body {
  margin: 0; min-height: 100vh; position: relative; isolation: isolate;
  background: var(--paper); color: var(--ink);
  font: 400 1rem/1.6 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
/* hạt giấy, nằm dưới nội dung nên không phủ lên ảnh */
body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .13 0 0 0 0 .11 0 0 0 0 .09 0 0 0 .07 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }

/* ---------- chữ ---------- */
h1, h2, h3 { margin: 0; font-weight: 400; }
p { margin: 0; }
.display {
  font-family: var(--display); font-weight: 300; font-optical-sizing: auto;
  letter-spacing: -.02em; line-height: 1.04; text-wrap: balance;
}
.display em { font-style: italic; color: var(--ember); }
.h2 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
.eyebrow {
  font: 500 .74rem/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.eyebrow + .display { margin-top: .8rem; }
.lede { font-size: clamp(1.02rem, 1.3vw, 1.15rem); color: var(--ink-2); max-width: 36rem; text-wrap: pretty; }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; }

/* ---------- nút ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .6em;
  padding: .95em 1.5em; border: 1px solid var(--ink); border-radius: 0;
  font: 500 .92rem/1 var(--sans); letter-spacing: .02em; text-decoration: none; white-space: nowrap;
  background: transparent; color: var(--ink);
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.btn svg { width: 1.15em; height: 1.15em; fill: none; stroke: currentColor; stroke-width: 1.6; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }
.btn-ink { background: var(--ink); color: var(--paper); }
.btn-ink:hover { background: var(--ember); border-color: var(--ember); }
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: .7em 1.1em; font-size: .85rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:disabled:hover { background: var(--ink); border-color: var(--ink); }
.link-arrow {
  display: inline-flex; align-items: center; gap: .45em; font-weight: 500; text-decoration: none;
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat; padding-bottom: 2px;
}
.link-arrow svg { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 1.6; transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

.icon-btn {
  position: relative; display: inline-grid; place-items: center; width: 2.75rem; height: 2.75rem;
  border: 0; background: none; color: var(--ink); text-decoration: none; border-radius: 50%;
  transition: background .2s;
}
.icon-btn:hover { background: var(--paper-2); }
.icon-btn svg { width: 1.4rem; height: 1.4rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- đầu trang ---------- */
.announce { background: var(--ink); color: var(--paper-2); font-size: .8rem; letter-spacing: .02em; }
.announce p { padding: .55rem var(--gutter); text-align: center; text-wrap: balance; }
.announce .dot { display: inline-block; width: 4px; height: 4px; margin: 0 .8em .2em; border-radius: 50%; background: var(--ember); }

.site-header { position: sticky; top: 0; z-index: 40; border-bottom: 1px solid var(--line); }
/* Lớp mờ nằm ở ::before: backdrop-filter đặt thẳng lên header sẽ biến header thành khung chứa của menu position: fixed. */
.site-header::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: rgb(243 238 229 / .9); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.header-row { display: flex; align-items: center; gap: clamp(.5rem, 2.5vw, 1.5rem); min-height: var(--header-h); }
/* Máy rất hẹp thì bỏ dòng chữ nhỏ dưới tên để nút giỏ hàng không bị đẩy ra ngoài.
   Không dùng container query ở đây vì nó biến đầu trang thành khung chứa của menu position: fixed. */
@media (max-width: 22.5rem) { .brand-sub { display: none; } }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; flex-shrink: 0; }
.logo-mark { width: 2.2rem; height: 2.2rem; fill: none; stroke: var(--ink); stroke-width: 1.5; stroke-linecap: round; }
.logo-mark path:nth-child(2) { stroke: var(--ember); }
.brand-text { display: grid; line-height: 1; }
.brand-name { font: italic 400 1.55rem/1 var(--display); letter-spacing: -.01em; }
.brand-sub { font-size: .62rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); margin-top: .3rem; }

.main-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: .3rem 1.4rem; margin-inline: auto; }
.main-nav a {
  font-size: .9rem; color: var(--ink-2); text-decoration: none; padding-block: .3rem; white-space: nowrap;
  background: linear-gradient(var(--ember), var(--ember)) 0 100% / 0 1px no-repeat;
  transition: background-size .35s var(--ease), color .2s;
}
.main-nav a:hover, .main-nav a[aria-current] { color: var(--ink); background-size: 100% 1px; }
.header-actions { display: flex; align-items: center; gap: .25rem; margin-left: auto; }
.main-nav + .header-actions { margin-left: 0; }
.nav-toggle { display: none; margin-left: -.6rem; }
.cart-count {
  position: absolute; top: .2rem; right: .1rem; min-width: 1.15rem; height: 1.15rem; padding: 0 .3rem;
  display: grid; place-items: center; border-radius: 1rem;
  background: var(--ember); color: #fff; font-size: .68rem; font-weight: 600; font-variant-numeric: tabular-nums;
}
.cart-count.bump { animation: bump .5s var(--ease); }
@keyframes bump { 30% { transform: scale(1.45); } }

.search-bar { border-top: 1px solid var(--line); }
.search-row { display: flex; align-items: center; gap: .8rem; padding-block: .8rem; }
.search-row > svg { width: 1.3rem; height: 1.3rem; fill: none; stroke: var(--muted); stroke-width: 1.5; flex-shrink: 0; }
.search-row input {
  flex: 1; min-width: 0; border: 0; background: none; padding: .4rem 0;
  font: 300 clamp(1.2rem, 2.5vw, 1.6rem)/1.2 var(--display);
}
.search-row input:focus { outline: none; }

@media (max-width: 72rem) {
  .nav-toggle { display: inline-grid; }
  .main-nav {
    position: fixed; inset: var(--nav-top, var(--header-h)) 0 0; z-index: 39; margin: 0;
    flex-direction: column; flex-wrap: nowrap; justify-content: flex-start; gap: 0;
    padding: 1rem var(--gutter) 3rem; background: var(--paper); overflow-y: auto;
    visibility: hidden; opacity: 0; transform: translateY(-.5rem);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility 0s .3s;
  }
  .main-nav.is-open { visibility: visible; opacity: 1; transform: none; transition-delay: 0s; }
  .main-nav a {
    font: 300 clamp(1.7rem, 7vw, 2.4rem)/1.2 var(--display); color: var(--ink);
    padding: .7rem 0; border-bottom: 1px solid var(--line); background: none;
  }
  .main-nav a[aria-current] { color: var(--ember); }
  .header-actions { margin-left: auto !important; }
}

/* ---------- hiện dần ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(1.2rem); }
.js [data-reveal].is-in {
  opacity: 1; transform: none;
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}

/* ---------- trang chủ: mở đầu ---------- */
.hero { padding-block: clamp(2.5rem, 6vw, 5.5rem) clamp(3.5rem, 8vw, 7rem); }
.hero-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: var(--gutter); align-items: end; }
.hero-copy { grid-column: 1 / span 7; padding-bottom: clamp(0rem, 3vw, 2.5rem); }
.hero-art { grid-column: 8 / -1; position: relative; }
.hero-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin-bottom: clamp(1.5rem, 3vw, 2.5rem); }
.hero-meta span + span { padding-left: 1.2rem; border-left: 1px solid var(--line-strong); }
.hero h1 { font-size: clamp(3.1rem, 8.4vw, 7.6rem); margin-bottom: clamp(1.5rem, 3vw, 2.2rem); }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .06em; margin-bottom: -.06em; }
.hero h1 .line > span { display: inline-block; transform: translateY(105%); transition: transform 1.1s var(--ease); }
.hero h1 .line:nth-child(2) > span { transition-delay: .12s; }
.hero h1 .line:nth-child(3) > span { transition-delay: .24s; }
.is-ready .hero h1 .line > span { transform: none; }
.hero .lede { margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.8rem; }

.arch { position: relative; overflow: hidden; border-radius: 999rem 999rem 0 0; background: var(--paper-2); }
.arch img { width: 100%; height: 100%; object-fit: cover; }
.hero-art .arch { aspect-ratio: 4 / 5.2; }
.hero-art .arch img { transform: scale(1.08); transition: transform 2.2s var(--ease); }
.is-ready .hero-art .arch img { transform: scale(1); }
.hero-temp {
  position: absolute; top: 12%; right: calc(-1 * clamp(.2rem, 1.6vw, 1.6rem)); writing-mode: vertical-rl;
  font-size: .7rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted);
}
.hero-ticket {
  position: absolute; left: clamp(-2.5rem, -3vw, -1rem); bottom: clamp(1rem, 3vw, 2rem);
  display: grid; grid-template-columns: auto 1fr; gap: .2rem .9rem; align-items: center;
  max-width: min(17rem, 80%); padding: .85rem 1rem .85rem 1.4rem;
  background: var(--paper); text-decoration: none; box-shadow: 0 18px 40px -22px rgb(33 28 23 / .45);
  border: 1px dashed var(--line-strong);
}
.hero-ticket::before {
  content: ''; position: absolute; left: .5rem; top: 50%; width: .45rem; height: .45rem; margin-top: -.225rem;
  border-radius: 50%; background: var(--paper-2); box-shadow: inset 0 0 0 1px var(--line-strong);
}
.hero-ticket .eyebrow { grid-column: 1 / -1; font-size: .62rem; }
.hero-ticket strong { font: 400 1.15rem/1.2 var(--display); }
.hero-ticket .num { justify-self: end; font-weight: 500; }

@media (max-width: 56rem) {
  .hero-copy, .hero-art { grid-column: 1 / -1; }
  .hero-art { max-width: 30rem; width: 92%; margin-left: auto; }
  .hero-ticket { left: -1.2rem; }
}

/* ---------- khối chung ---------- */
.section { padding-block: clamp(3.5rem, 8vw, 7rem); }
.section-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1rem 2rem; margin-bottom: clamp(1.8rem, 4vw, 3rem); }
.section-head .eyebrow { margin-bottom: .8rem; }
.section-head p.lede { margin-top: .9rem; }
.rule { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* danh mục dạng vòm */
.cat-row { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(.8rem, 2vw, 1.6rem); }
.cat-tile { text-decoration: none; display: grid; gap: .9rem; }
.cat-tile .arch { aspect-ratio: 3 / 4; }
.cat-tile .arch img { transition: transform .9s var(--ease); }
.cat-tile:hover .arch img { transform: scale(1.05); }
.cat-tile-name { font: 400 clamp(1.15rem, 1.8vw, 1.4rem)/1.2 var(--display); }
.cat-tile-count { font-size: .82rem; color: var(--muted); }
@media (max-width: 56rem) {
  .cat-row {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(10.5rem, 42%);
    overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .8rem;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); scroll-padding-inline: var(--gutter);
    scrollbar-width: thin;
  }
  .cat-tile { scroll-snap-align: start; }
}

/* ---------- thẻ sản phẩm ---------- */
.grid {
  display: grid; gap: clamp(1.6rem, 3vw, 2.6rem) clamp(.9rem, 2vw, 1.6rem);
  grid-template-columns: repeat(auto-fill, minmax(clamp(9.4rem, 22vw, 16.5rem), 1fr));
}
.card { position: relative; container-type: inline-size; }
.card-media { position: relative; display: block; aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-2); }
.card-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease), opacity .5s var(--ease); }
.card-media .card-alt { opacity: 0; }
.card:hover .card-media img { transform: scale(1.04); }
.card:hover .card-media .card-alt { opacity: 1; }
.card.is-out .card-media img { filter: grayscale(.6) contrast(.92); opacity: .75; }
.card-no {
  position: absolute; left: .6rem; top: .6rem; padding: .25rem .45rem;
  background: rgb(243 238 229 / .88); font-size: .66rem; font-weight: 500; letter-spacing: .1em; font-variant-numeric: tabular-nums;
}
.tag {
  position: absolute; right: .6rem; top: .6rem; padding: .3rem .55rem;
  background: var(--ink); color: var(--paper); font-size: .7rem; font-weight: 500; letter-spacing: .03em;
}
.tag-ember { background: var(--ember); }
.tag-muted { background: var(--paper); color: var(--ink-2); border: 1px solid var(--line-strong); }
.card-body { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .15rem .6rem; padding-top: .9rem; }
.card-title { grid-column: 1; font: 400 clamp(1.02rem, 9cqi, 1.22rem)/1.25 var(--display); text-wrap: balance; }
.card-title a { text-decoration: none; }
.card-title a::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.card-meta { grid-column: 1; display: flex; align-items: center; gap: .45rem; font-size: .8rem; color: var(--muted); }
.swatch {
  display: inline-block; width: .7rem; height: .7rem; border-radius: 50%; flex-shrink: 0;
  background: radial-gradient(circle at 35% 30%, rgb(255 255 255 / .55), transparent 55%), var(--c);
  box-shadow: inset 0 0 0 1px rgb(33 28 23 / .18);
}
.card-price { grid-column: 1; display: flex; flex-wrap: wrap; align-items: baseline; gap: .1rem .55rem; margin-top: .35rem; font-weight: 500; font-variant-numeric: tabular-nums; }
.card-price s { font-size: .82rem; font-weight: 400; color: var(--muted); }
.card-add {
  grid-column: 2; grid-row: 1 / span 3; align-self: end; position: relative; z-index: 2;
  width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border-radius: 50%;
  border: 1px solid var(--line-strong); background: transparent; transition: background .2s, color .2s, border-color .2s;
}
.card-add svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: currentColor; stroke-width: 1.6; }
.card-add:hover:not(:disabled) { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.card-add:disabled { opacity: .35; cursor: not-allowed; }

/* ---------- hai lần lửa ---------- */
.story { background: var(--ink); color: var(--paper); position: relative; overflow: hidden; }
.story .eyebrow { color: #b9ab98; }
.story .lede { color: #d7cbbb; }
.story-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; }
.story h2 em { color: #e39a72; }
.curve { margin: clamp(2rem, 4vw, 3rem) 0 0; container-type: inline-size; }
.curve svg { width: 100%; height: auto; overflow: visible; }
.curve .axis { stroke: rgb(243 238 229 / .22); stroke-width: 1; }
.curve .grid-y { stroke: rgb(243 238 229 / .08); stroke-dasharray: 2 5; }
.curve .path { fill: none; stroke: #e7a17b; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.curve .area { fill: url(#heat); opacity: 0; transition: opacity 1.4s .9s var(--ease); }
.curve text { fill: #cdbfac; font: 500 11px/1 var(--sans); letter-spacing: .06em; }
.curve .peak { fill: var(--paper); font: italic 400 19px/1 var(--display); letter-spacing: 0; }
.curve .peak-dot { fill: #e7a17b; opacity: 0; transition: opacity .4s 2s; }
.js .curve .path { stroke-dasharray: var(--len, 1400); stroke-dashoffset: var(--len, 1400); }
.curve.is-in .path { stroke-dashoffset: 0; transition: stroke-dashoffset 2.4s var(--ease); }
.curve.is-in .area, .curve.is-in .peak-dot { opacity: 1; }
/* Biểu đồ co nhỏ thì chữ trong SVG co theo; phóng chữ lên và bỏ nhãn giai đoạn (danh sách bên dưới đã ghi). */
@container (max-width: 30rem) {
  .curve text { font-size: 22px; }
  .curve .peak { font-size: 32px; }
  .curve .stage { display: none; }
}
.steps { list-style: none; margin: 2rem 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 8.5rem), 1fr)); gap: 1.2rem 1.4rem; }
.steps li { border-top: 1px solid rgb(243 238 229 / .2); padding-top: .8rem; font-size: .88rem; color: #d7cbbb; }
.steps b { display: block; font: italic 400 1.15rem/1.3 var(--display); color: var(--paper); margin-bottom: .2rem; }
.story-photo { position: relative; }
.story-photo .arch { aspect-ratio: 3 / 4; }
.story-photo figcaption { margin-top: .9rem; font-size: .8rem; color: #b9ab98; }
@media (max-width: 56rem) {
  .story-grid { grid-template-columns: 1fr; }
  .story-photo { max-width: 26rem; }
}

/* ---------- men ---------- */
.glaze-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.glaze-photo { position: sticky; top: calc(var(--header-h) + 2rem); }
.glaze-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.glaze-photo { --off: clamp(.5rem, 2vw, 1.2rem); }
.glaze-photo::after {
  content: ''; position: absolute; z-index: -1; border: 1px solid var(--line-strong);
  inset: var(--off) calc(-1 * var(--off)) calc(-1 * var(--off)) var(--off);
}
.glaze-list { list-style: none; margin: 2rem 0 0; padding: 0; border-top: 1px solid var(--line); }
.glaze-list a {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: .3rem 1.2rem;
  padding: 1.15rem 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding .35s var(--ease);
}
.glaze-list a:hover { padding-left: .6rem; }
.glaze-list .swatch { width: 2.6rem; height: 2.6rem; grid-row: span 2; }
.glaze-list strong { font: 400 1.35rem/1.2 var(--display); }
.glaze-list span.note { grid-column: 2; font-size: .88rem; color: var(--muted); text-wrap: pretty; }
.glaze-list .count { grid-column: 3; grid-row: 1 / span 2; font-size: .82rem; color: var(--ink-2); white-space: nowrap; }
@media (max-width: 56rem) {
  .glaze-grid { grid-template-columns: 1fr; }
  .glaze-photo { position: relative; top: 0; max-width: 28rem; }
}

/* cam kết */
.promises { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.promises > div { padding: clamp(1.5rem, 3vw, 2.4rem) clamp(0rem, 2vw, 2rem) clamp(1.5rem, 3vw, 2.4rem) 0; }
.promises > div + div { border-left: 1px solid var(--line); padding-left: clamp(1rem, 2.5vw, 2rem); }
.promises p { font: 300 clamp(1.25rem, 2vw, 1.55rem)/1.3 var(--display); margin-top: .6rem; text-wrap: balance; }
@media (max-width: 52rem) {
  .promises > div + div { border-left: 0; border-top: 1px solid var(--line); padding-left: 0; }
}

/* ---------- chân trang ---------- */
.site-footer { margin-top: clamp(4rem, 8vw, 7rem); background: var(--paper-2); border-top: 1px solid var(--line); font-size: .9rem; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 12.5rem), 1fr)); gap: 2rem; padding-block: clamp(2.5rem, 5vw, 4rem); }
.footer-brand p { margin-top: 1rem; max-width: 22rem; color: var(--ink-2); }
.footer-h { font: 500 .74rem/1.3 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.site-footer ul a { text-decoration: none; }
.site-footer ul a:hover { text-decoration: underline; text-underline-offset: 3px; }
.footer-base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .5rem 1.5rem; padding-block: 1.2rem 5.5rem; border-top: 1px solid var(--line); font-size: .8rem; color: var(--muted); }
.footer-base a { color: var(--ink); font-weight: 500; text-decoration: none; }

/* ---------- ghi chú demo + thông báo ---------- */
.demo-pill {
  position: fixed; left: 1rem; bottom: 1rem; z-index: 50; max-width: calc(100% - 2rem);
  display: flex; flex-wrap: wrap; align-items: center; gap: .3rem .9rem;
  padding: .55rem .5rem .55rem 1rem; border-radius: 2rem;
  background: var(--ink); color: #d8ccbb; font-size: .78rem; box-shadow: 0 14px 30px -14px rgb(0 0 0 / .5);
}
.demo-pill a { color: #f2b48f; font-weight: 600; text-underline-offset: 3px; }
.demo-pill-x { width: 1.8rem; height: 1.8rem; display: grid; place-items: center; border: 0; border-radius: 50%; background: rgb(255 255 255 / .08); color: inherit; }
.demo-pill-x svg { width: .9rem; height: .9rem; fill: none; stroke: currentColor; stroke-width: 2; }
.toast {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 60; max-width: calc(100% - 2rem);
  display: flex; align-items: center; gap: 1rem; padding: .9rem 1.1rem;
  background: var(--paper); border: 1px solid var(--ink); box-shadow: 0 18px 40px -20px rgb(33 28 23 / .55);
  font-size: .9rem; transform: translateY(150%); opacity: 0; transition: transform .45s var(--ease), opacity .3s;
}
.toast.is-on { transform: none; opacity: 1; }
.toast a { font-weight: 600; color: var(--ember); white-space: nowrap; }
@media (max-width: 40rem) { .toast { bottom: 4.6rem; } }

/* ---------- đầu trang con ---------- */
.page-head { padding-block: clamp(2rem, 5vw, 3.5rem) clamp(1.5rem, 3vw, 2.2rem); }
.crumbs { display: flex; flex-wrap: wrap; gap: .2rem .55rem; font-size: .8rem; color: var(--muted); margin-bottom: 1rem; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.crumbs span[aria-hidden] { opacity: .5; }
.page-head h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
.page-head .lede { margin-top: .9rem; }

/* ---------- cửa hàng ---------- */
.shop { display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.filters { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: 1.8rem; }
.filters-head { display: none; }
.fgroup { border: 0; margin: 0; padding: 0; min-width: 0; }
.fgroup legend { padding: 0; margin-bottom: .8rem; }
.cat-opts { display: grid; gap: .1rem; }
.cat-opts label {
  display: flex; justify-content: space-between; gap: 1rem; padding: .4rem 0; cursor: pointer;
  font-size: .95rem; color: var(--ink-2); border-bottom: 1px solid transparent;
}
.cat-opts input { position: absolute; opacity: 0; pointer-events: none; }
.cat-opts label:has(input:checked) { color: var(--ink); font-weight: 600; border-bottom-color: var(--ink); }
.cat-opts label:has(input:focus-visible) { outline: 2px solid var(--ember); outline-offset: 2px; }
.cat-opts .n { color: var(--muted); font-weight: 400; font-variant-numeric: tabular-nums; }
.glaze-opts { display: flex; flex-wrap: wrap; gap: .45rem; }
.glaze-opts label {
  display: inline-flex; align-items: center; gap: .45rem; padding: .4rem .7rem .4rem .45rem; cursor: pointer;
  border: 1px solid var(--line-strong); border-radius: 2rem; font-size: .84rem; transition: border-color .2s, background .2s;
}
.glaze-opts input { position: absolute; opacity: 0; pointer-events: none; }
.glaze-opts .swatch { width: 1.1rem; height: 1.1rem; }
.glaze-opts label:has(input:checked) { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.glaze-opts label:has(input:focus-visible) { outline: 2px solid var(--ember); outline-offset: 2px; }

.price-vals { display: flex; justify-content: space-between; gap: 1rem; font-size: .88rem; font-weight: 500; font-variant-numeric: tabular-nums; margin-bottom: .9rem; }
.range { position: relative; height: 1.6rem; --a: 0%; --b: 100%; }
.range::before, .range::after { content: ''; position: absolute; top: 50%; height: 2px; margin-top: -1px; }
.range::before { left: 0; right: 0; background: var(--line-strong); }
.range::after { left: var(--a); right: calc(100% - var(--b)); background: var(--ink); }
.range input {
  position: absolute; inset: 0; width: 100%; margin: 0; background: none; pointer-events: none;
  -webkit-appearance: none; appearance: none; z-index: 1;
}
.range input::-webkit-slider-runnable-track { background: none; height: 1.6rem; }
.range input::-moz-range-track { background: none; }
.range input::-webkit-slider-thumb {
  -webkit-appearance: none; pointer-events: auto; width: 1.15rem; height: 1.15rem; margin-top: .225rem;
  border-radius: 50%; background: var(--paper); border: 1.5px solid var(--ink); cursor: grab;
}
.range input::-moz-range-thumb {
  pointer-events: auto; width: 1rem; height: 1rem; border-radius: 50%; background: var(--paper); border: 1.5px solid var(--ink); cursor: grab;
}
.range input:focus-visible::-webkit-slider-thumb { outline: 2px solid var(--ember); outline-offset: 2px; }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; font-size: .95rem; }
.switch input { appearance: none; -webkit-appearance: none; width: 2.6rem; height: 1.5rem; border-radius: 1rem; background: var(--paper-3); position: relative; cursor: pointer; transition: background .2s; flex-shrink: 0; margin: 0; }
.switch input::after { content: ''; position: absolute; top: .2rem; left: .2rem; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--paper); box-shadow: 0 1px 2px rgb(0 0 0 / .2); transition: transform .25s var(--ease); }
.switch input:checked { background: var(--ink); }
.switch input:checked::after { transform: translateX(1.1rem); }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1rem; padding-bottom: 1.2rem; margin-bottom: 1.6rem; border-bottom: 1px solid var(--line); }
.field-search { position: relative; flex: 1 1 14rem; }
.field-search svg { position: absolute; left: .85rem; top: 50%; width: 1.1rem; height: 1.1rem; margin-top: -.55rem; fill: none; stroke: var(--muted); stroke-width: 1.6; }
.field-search input { width: 100%; padding: .75rem .9rem .75rem 2.5rem; border: 1px solid var(--line-strong); background: var(--field); }
.select { padding: .75rem 2.2rem .75rem .9rem; border: 1px solid var(--line-strong); background: var(--field) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23211c17' stroke-width='1.6'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right .7rem center / 1rem no-repeat; appearance: none; -webkit-appearance: none; border-radius: 0; }
.result-count { font-size: .88rem; color: var(--muted); white-space: nowrap; }
.filter-open { display: none; }
.chips { display: flex; flex-wrap: wrap; gap: .5rem; margin: -.6rem 0 1.6rem; }
.chips:empty { display: none; }
.chip { display: inline-flex; align-items: center; gap: .4rem; padding: .35rem .5rem .35rem .75rem; border: 1px solid var(--line-strong); border-radius: 2rem; background: none; font-size: .82rem; }
.chip svg { width: .85rem; height: .85rem; fill: none; stroke: currentColor; stroke-width: 2; }
.chip:hover { border-color: var(--ink); }
.chip-clear { border: 0; text-decoration: underline; text-underline-offset: 3px; padding-left: .3rem; }
.empty { padding: clamp(2.5rem, 6vw, 5rem) 0; text-align: center; display: grid; justify-items: center; gap: 1rem; }
.empty h2 { font: 300 clamp(1.7rem, 3.5vw, 2.4rem)/1.2 var(--display); }
.scrim { position: fixed; inset: 0; z-index: 70; background: rgb(33 28 23 / .45); opacity: 0; transition: opacity .3s; }
.scrim.is-on { opacity: 1; }

@media (max-width: 60rem) {
  .shop { grid-template-columns: 1fr; }
  .filter-open { display: inline-flex; }
  .filters {
    position: fixed; left: 0; right: 0; bottom: 0; top: auto; z-index: 80; max-height: 88vh; overflow-y: auto;
    padding: 0 var(--gutter) 1.5rem; background: var(--paper); border-top: 1px solid var(--ink);
    transform: translateY(100%); visibility: hidden; transition: transform .4s var(--ease), visibility 0s .4s;
  }
  .filters.is-open { transform: none; visibility: visible; transition-delay: 0s; }
  .filters-head { display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 2; padding: 1rem 0; background: var(--paper); border-bottom: 1px solid var(--line); }
  .filters-head h2 { font: 400 1.5rem/1 var(--display); }
  .filters-foot { position: sticky; bottom: -1.5rem; padding: 1rem 0 1.5rem; background: var(--paper); }
}
@media (min-width: 60.01rem) { .filters-foot { display: none; } }

/* ---------- chi tiết sản phẩm ---------- */
.pd { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(1.8rem, 5vw, 5rem); align-items: start; padding-top: clamp(1.2rem, 3vw, 2rem); }
.gallery { position: sticky; top: calc(var(--header-h) + 1.5rem); display: grid; gap: .8rem; }
.gallery-main { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--paper-2); }
.gallery-main img { width: 100%; height: 100%; object-fit: cover; animation: fadein .5s var(--ease); }
@keyframes fadein { from { opacity: .3; } }
.thumbs { display: flex; gap: .6rem; }
.thumbs button { width: 4.8rem; aspect-ratio: 1; padding: 0; border: 1px solid transparent; background: var(--paper-2); opacity: .65; transition: opacity .2s, border-color .2s; }
.thumbs button[aria-pressed="true"] { opacity: 1; border-color: var(--ink); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.pd-info { display: grid; gap: 1.4rem; }
.pd-info h1 { font-size: clamp(2.3rem, 4.6vw, 3.8rem); }
.pd-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: .3rem 1rem; font: 400 clamp(1.5rem, 2.4vw, 1.9rem)/1 var(--sans); font-variant-numeric: tabular-nums; }
.pd-price s { font-size: 1rem; color: var(--muted); }
.pd-glaze { display: flex; gap: .9rem; align-items: flex-start; padding: 1rem 0; border-block: 1px solid var(--line); }
.pd-glaze .swatch { width: 2.2rem; height: 2.2rem; }
.pd-glaze strong { display: block; font: 400 1.2rem/1.3 var(--display); }
.pd-glaze span { font-size: .88rem; color: var(--muted); }
.stock { display: flex; align-items: center; gap: .5rem; font-size: .9rem; color: var(--ink-2); }
.stock::before { content: ''; width: .5rem; height: .5rem; border-radius: 50%; background: var(--ok); }
.stock.low::before { background: var(--ember); }
.stock.out::before { background: var(--muted); }
.buy { display: flex; flex-wrap: wrap; gap: .7rem; }
.buy .btn { flex: 1 1 10rem; }
.qty { display: inline-flex; align-items: stretch; border: 1px solid var(--line-strong); background: var(--field); }
.qty button { width: 2.8rem; border: 0; background: none; display: grid; place-items: center; }
.qty button:disabled { opacity: .3; cursor: not-allowed; }
.qty button svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.7; }
.qty input { width: 3rem; border: 0; background: none; text-align: center; font-weight: 500; font-variant-numeric: tabular-nums; -moz-appearance: textfield; }
.qty input::-webkit-inner-spin-button, .qty input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.qty-sm button { width: 2.2rem; }
.qty-sm input { width: 2.3rem; padding: .45rem 0; }

.ticket {
  position: relative; padding: 1.1rem 1.2rem 1.1rem 2.2rem; background: var(--field);
  border: 1px dashed var(--line-strong);
}
.ticket::before {
  content: ''; position: absolute; left: .8rem; top: 1.25rem; width: .6rem; height: .6rem; border-radius: 50%;
  background: var(--paper); box-shadow: inset 0 0 0 1px var(--line-strong);
}
.ticket h2 { margin-bottom: .8rem; }
.ticket dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 6.5rem), 1fr)); gap: .8rem 1rem; margin: 0; }
.ticket dt { font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.ticket dd { margin: .15rem 0 0; font: 400 1.05rem/1.3 var(--display); font-variant-numeric: tabular-nums; }
.acc { border-top: 1px solid var(--line); }
.acc details { border-bottom: 1px solid var(--line); }
.acc summary { display: flex; justify-content: space-between; align-items: center; padding: 1rem 0; cursor: pointer; list-style: none; font-weight: 500; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: '+'; font: 300 1.4rem/1 var(--display); transition: transform .3s var(--ease); }
.acc details[open] summary::after { transform: rotate(45deg); }
.acc .acc-body { padding: 0 0 1.1rem; color: var(--ink-2); font-size: .94rem; display: grid; gap: .5rem; }
@media (max-width: 52rem) {
  .pd { grid-template-columns: 1fr; }
  .gallery { position: relative; top: 0; }
}

/* ---------- giỏ hàng + thanh toán ---------- */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
@media (max-width: 58rem) { .two-col { grid-template-columns: 1fr; } }
.lines { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.line-item { container-type: inline-size; border-bottom: 1px solid var(--line); }
.line-inner { display: grid; grid-template-columns: 6rem minmax(0, 1fr) auto auto 2.5rem; gap: 1rem 1.4rem; align-items: center; padding: 1.2rem 0; }
.line-img { aspect-ratio: 4 / 5; background: var(--paper-2); overflow: hidden; }
.line-img img { width: 100%; height: 100%; object-fit: cover; }
.line-name { font: 400 1.2rem/1.25 var(--display); text-decoration: none; }
.line-sub { display: flex; align-items: center; gap: .45rem; margin-top: .3rem; font-size: .82rem; color: var(--muted); }
.line-total { font-weight: 500; font-variant-numeric: tabular-nums; text-align: right; min-width: 6.5rem; }
.line-remove { width: 2.5rem; height: 2.5rem; border: 0; background: none; color: var(--muted); display: grid; place-items: center; border-radius: 50%; }
.line-remove:hover { color: var(--ember); background: var(--paper-2); }
.line-remove svg { width: 1.15rem; height: 1.15rem; fill: none; stroke: currentColor; stroke-width: 1.5; }
@container (max-width: 34rem) {
  .line-inner { grid-template-columns: 4.6rem minmax(0, 1fr) auto; grid-template-areas: 'img info rm' 'img qty total'; gap: .7rem 1rem; }
  .line-img { grid-area: img; align-self: start; }
  .line-info { grid-area: info; }
  .line-item .qty { grid-area: qty; justify-self: start; }
  .line-total { grid-area: total; min-width: 0; }
  .line-remove { grid-area: rm; align-self: start; justify-self: end; margin: -.5rem -.6rem 0 0; }
}

.summary { position: sticky; top: calc(var(--header-h) + 1.5rem); padding: clamp(1.2rem, 3vw, 1.8rem); background: var(--paper-2); display: grid; gap: 1rem; }
.summary h2 { font: 400 1.5rem/1.2 var(--display); }
.sum-row { display: flex; justify-content: space-between; gap: 1rem; font-size: .95rem; font-variant-numeric: tabular-nums; }
.sum-row.total { padding-top: 1rem; border-top: 1px solid var(--line-strong); font-size: 1.05rem; font-weight: 600; align-items: baseline; }
.sum-row.total span:last-child { font: 400 1.7rem/1 var(--sans); font-weight: 500; }
.ship-meter { display: grid; gap: .5rem; font-size: .84rem; color: var(--ink-2); }
.ship-meter .bar { height: 3px; background: var(--paper-3); position: relative; overflow: hidden; }
.ship-meter .bar i { position: absolute; inset: 0 auto 0 0; width: var(--p); background: var(--ember); transition: width .6s var(--ease); }
.summary .note { font-size: .82rem; color: var(--muted); }
.mini-lines { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; }
.mini-lines li { display: grid; grid-template-columns: 3.4rem minmax(0, 1fr) auto; gap: .8rem; align-items: center; font-size: .9rem; }
.mini-lines .thumb { position: relative; aspect-ratio: 1; background: var(--paper-3); }
.mini-lines .thumb img { width: 100%; height: 100%; object-fit: cover; }
.mini-lines .thumb b { position: absolute; top: -.4rem; right: -.4rem; min-width: 1.25rem; height: 1.25rem; padding: 0 .3rem; border-radius: 1rem; background: var(--ink); color: var(--paper); font-size: .7rem; display: grid; place-items: center; }
.mini-lines .nm { font-family: var(--display); font-size: 1.02rem; line-height: 1.25; }
.mini-lines .pr { font-variant-numeric: tabular-nums; font-weight: 500; }

/* biểu mẫu */
.form { display: grid; gap: 2.2rem; }
.form-sec { display: grid; gap: 1rem; }
.form-sec > h2 { font: 400 1.5rem/1.2 var(--display); display: flex; align-items: baseline; gap: .8rem; }
.form-sec > h2 .step { font: 500 .74rem/1 var(--sans); letter-spacing: .14em; color: var(--muted); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 1rem; }
.field { display: grid; gap: .4rem; }
.field label, .field .lbl { font-size: .84rem; font-weight: 500; color: var(--ink-2); }
.field label .req { color: var(--ember); }
.input, .field input, .field select, .field textarea {
  width: 100%; padding: .8rem .9rem; border: 1px solid var(--line-strong); border-radius: 0; background: var(--field);
  transition: border-color .2s, box-shadow .2s;
}
.field select { appearance: none; -webkit-appearance: none; background: var(--field) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23211c17' stroke-width='1.6'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right .8rem center / 1rem no-repeat; padding-right: 2.4rem; }
.field textarea { min-height: 5.5rem; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgb(162 64 29 / .15); }
.field.has-error input, .field.has-error select { border-color: var(--ember); }
.err { font-size: .8rem; color: var(--ember-deep); min-height: 0; }
.pay-opts { display: grid; gap: .7rem; }
.pay-opt { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .2rem .9rem; padding: 1rem 1.1rem; border: 1px solid var(--line-strong); cursor: pointer; background: var(--field); transition: border-color .2s; }
.pay-opt input { grid-row: span 2; margin: .3rem 0 0; accent-color: var(--ink); width: 1.1rem; height: 1.1rem; }
.pay-opt strong { font-weight: 600; }
.pay-opt span { font-size: .86rem; color: var(--muted); }
.pay-opt:has(input:checked) { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }

.done { display: grid; gap: 1.4rem; max-width: 46rem; padding-block: clamp(2rem, 5vw, 4rem); }
.done h1 { font-size: clamp(2.6rem, 6vw, 4.6rem); }
.done .code { display: inline-block; padding: .2rem .6rem; background: var(--ink); color: var(--paper); font: 500 1rem/1.4 var(--sans); letter-spacing: .06em; }
.done-box { padding: 1.4rem; border: 1px dashed var(--line-strong); background: var(--field); display: grid; gap: .6rem; font-size: .95rem; }
.done-actions { display: flex; flex-wrap: wrap; gap: .8rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; transition-delay: 0s !important; }
  html { scroll-behavior: auto; }
}