:root {
  --ink: #1d211d;
  --ink-soft: #4f554d;
  --paper: #f5f1e8;
  --paper-light: #fbf9f4;
  --moss: #415044;
  --red: #a73b2f;
  --gold: #b18a54;
  --line: rgba(29, 33, 29, 0.14);
  --serif: "Lora", Georgia, serif;
  --sans: "Manrope", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper-light);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: hidden;
}
body.locked { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }

.announcement {
  min-height: 38px;
  padding: 8px 5vw;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--ink);
  font-size: 11px;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.announcement p { margin: 0; }
.announcement button {
  position: absolute;
  right: 4vw;
  border: 0;
  color: #fff;
  background: transparent;
  cursor: pointer;
  font-size: 20px;
  opacity: .65;
}

.site-header {
  position: absolute;
  top: 38px;
  z-index: 30;
  width: 100%;
  height: 88px;
  padding: 0 5vw;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid rgba(29, 33, 29, .1);
}
.site-header.at-top { top: 0; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  width: max-content;
  line-height: 1;
}
.brand-seal {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--red);
  border-radius: 2px;
  font-family: serif;
  font-size: 25px;
  box-shadow: inset 0 0 0 3px var(--red), inset 0 0 0 4px rgba(255,255,255,.35);
}
.brand strong, .brand small { display: block; letter-spacing: .18em; }
.brand strong { font-family: var(--serif); font-size: 17px; }
.brand small { margin-top: 7px; font-size: 8px; }
.desktop-nav { display: flex; gap: 38px; }
.desktop-nav a {
  position: relative;
  padding: 32px 0 30px;
  color: var(--ink-soft);
  font-size: 12px;
}
.desktop-nav a::after {
  position: absolute;
  bottom: 24px;
  left: 0;
  width: 0;
  height: 1px;
  content: "";
  background: var(--red);
  transition: width .25s ease;
}
.desktop-nav a:hover::after, .desktop-nav a.active::after { width: 100%; }
.header-actions { display: flex; justify-content: flex-end; gap: 8px; }
.icon-button, .menu-toggle {
  position: relative;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.icon-button svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.5;
}
.cart-count {
  position: absolute;
  top: 4px;
  right: 1px;
  min-width: 17px;
  height: 17px;
  padding: 0 4px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--red);
  border-radius: 50%;
  font-size: 9px;
}
.menu-toggle { display: none; }

.search-panel {
  position: fixed;
  top: -180px;
  left: 0;
  z-index: 60;
  width: 100%;
  padding: 28px 8vw 35px;
  color: #fff;
  background: var(--ink);
  transition: top .35s ease;
}
.search-panel.open { top: 0; }
.search-panel label {
  display: block;
  margin-bottom: 10px;
  color: rgba(255,255,255,.55);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.search-panel div { display: flex; }
.search-panel input {
  width: 100%;
  padding: 5px 0 10px;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.35);
  outline: 0;
  color: #fff;
  background: transparent;
  font-family: var(--serif);
  font-size: 26px;
}
.search-panel input::placeholder { color: rgba(255,255,255,.25); }
.search-close {
  border: 0;
  color: #fff;
  background: transparent;
  cursor: pointer;
  font-size: 26px;
}

.hero {
  position: relative;
  min-height: 800px;
  padding: 180px 7vw 70px;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,.42), transparent 45%),
    var(--paper);
}
.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .32;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");
}
.hero-copy, .hero-art { position: relative; z-index: 2; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--red);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .28em;
  text-transform: uppercase;
}
.eyebrow::before {
  display: inline-block;
  width: 28px;
  height: 1px;
  margin: 0 12px 3px 0;
  content: "";
  background: currentColor;
}
.hero h1, .section h2, .newsletter h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.08;
}
.hero h1 { max-width: 640px; font-size: clamp(52px, 5vw, 82px); letter-spacing: -.035em; }
.hero h1 em, .story h2 em { color: var(--red); font-weight: 500; }
.hero-description { max-width: 510px; margin: 28px 0 32px; color: var(--ink-soft); font-size: 14px; }
.hero-actions { display: flex; align-items: center; gap: 30px; }
.button {
  min-height: 52px;
  padding: 0 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
  border: 0;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: transform .25s ease, background .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button-dark { color: #fff; background: var(--ink); }
.button-dark:hover { background: var(--red); }
.text-link {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--ink);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.hero-proof { margin-top: 62px; display: flex; align-items: center; gap: 15px; }
.avatars { display: flex; }
.avatars span {
  width: 30px;
  height: 30px;
  margin-left: -7px;
  display: grid;
  place-items: center;
  border: 2px solid var(--paper);
  color: #fff;
  background: var(--moss);
  border-radius: 50%;
  font-family: var(--serif);
  font-size: 10px;
}
.avatars span:first-child { margin-left: 0; background: #a67b5b; }
.avatars span:nth-child(2) { background: #718070; }
.avatars span:nth-child(3) { background: #94705e; }
.hero-proof strong, .hero-proof div > span { display: block; }
.hero-proof strong { font-size: 12px; }
.hero-proof div > span { color: var(--ink-soft); font-size: 9px; }

.hero-art { min-height: 580px; display: grid; place-items: center; }
.sun {
  position: absolute;
  top: 15px;
  right: -14%;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: #dfd6c4;
}
.ink-branch {
  position: absolute;
  right: -10%;
  bottom: 90px;
  width: 75%;
  height: 170px;
  border-top: 4px solid rgba(29,33,29,.35);
  border-radius: 55% 0 0;
  transform: rotate(-20deg);
}
.ink-branch::before, .ink-branch::after {
  position: absolute;
  content: "";
  width: 125px;
  height: 45px;
  border-radius: 100% 0 100% 0;
  background: rgba(65,80,68,.7);
}
.ink-branch::before { top: -30px; left: 28%; transform: rotate(22deg); }
.ink-branch::after { top: 18px; left: 52%; transform: rotate(190deg); }
.hero-frame {
  position: relative;
  z-index: 2;
  width: min(470px, 82%);
  padding: 12px;
  background: #49392c;
  box-shadow: 24px 30px 60px rgba(35,31,24,.22), inset 0 0 0 2px #755b43;
  transform: rotate(1.5deg);
}
.hero-frame img {
  width: 100%;
  aspect-ratio: 1;
  display: block;
  border: 1px solid #b9ae98;
  object-fit: cover;
}
.frame-paper {
  position: relative;
  min-height: 470px;
  padding: 58px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px solid #b9ae98;
  background: #f1eadc;
  box-shadow: inset 0 0 35px rgba(99,73,39,.1);
}
.calligraphy {
  font-family: var(--serif);
  font-size: 95px;
  font-weight: 600;
  letter-spacing: -.08em;
  line-height: .65;
  text-align: center;
  transform: rotate(-4deg);
}
.calligraphy i { font-size: 60px; font-weight: 500; }
.frame-paper p { margin-top: 55px; color: #675e50; font-size: 8px; letter-spacing: .3em; }
.red-stamp {
  position: absolute;
  right: 34px;
  bottom: 73px;
  padding: 6px 7px;
  color: var(--red);
  border: 2px solid var(--red);
  font-family: serif;
  font-size: 12px;
  line-height: 1.1;
}
.vertical-note {
  position: absolute;
  right: 1%;
  top: 25%;
  color: var(--ink-soft);
  font-size: 8px;
  letter-spacing: .22em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.floating-card {
  position: absolute;
  z-index: 3;
  left: 2%;
  bottom: 55px;
  width: 160px;
  padding: 17px 20px;
  background: rgba(255,255,255,.86);
  box-shadow: 0 15px 40px rgba(31,31,27,.15);
  backdrop-filter: blur(8px);
}
.floating-card span { color: var(--red); font-size: 8px; letter-spacing: .12em; text-transform: uppercase; }
.floating-card strong { display: block; margin: 4px 0; font-family: var(--serif); font-size: 17px; }
.floating-card p { margin: 0; font-size: 10px; }
.scroll-cue {
  position: absolute;
  bottom: 25px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink-soft);
  font-size: 8px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.scroll-cue span { width: 1px; height: 30px; background: var(--ink); }

.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 6vw;
  color: #fff;
  background: var(--ink);
}
.values article {
  min-height: 145px;
  padding: 35px 4vw;
  display: flex;
  gap: 22px;
  align-items: flex-start;
  border-right: 1px solid rgba(255,255,255,.1);
}
.values article:last-child { border: 0; }
.values article > span { color: #b89d75; font-family: var(--serif); font-size: 12px; }
.values h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 18px; font-weight: 500; }
.values p { margin: 0; color: rgba(255,255,255,.55); font-size: 10px; line-height: 1.7; }

.section { padding: 110px 7vw; }
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
}
.section h2, .newsletter h2 { font-size: clamp(38px, 4.2vw, 60px); letter-spacing: -.025em; }
.section-heading > p { max-width: 450px; margin: 0; color: var(--ink-soft); font-size: 12px; }
.catalog-toolbar {
  margin: 52px 0 28px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  border: 1px solid rgba(29,33,29,.1);
  border-radius: 14px;
  background: rgba(255,255,255,.72);
  box-shadow: 0 8px 28px rgba(29,33,29,.04);
}
.filters { display: flex; gap: 7px; flex-wrap: wrap; }
.filters button {
  min-height: 38px;
  padding: 0 17px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  cursor: pointer;
  font-size: 9px;
  font-weight: 500;
  transition: .2s;
}
.filters button:hover, .filters button.active { color: #fff; border-color: var(--ink); background: var(--ink); }
.sort-control {
  min-width: 190px;
  padding-left: 17px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 1px solid var(--line);
}
.sort-control span {
  color: #8b8b80;
  font-size: 8px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.sort-control select {
  flex: 1;
  padding: 7px 24px 7px 0;
  border: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 10px;
  font-weight: 600;
}
.collection { background: #f8f6f0; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 34px 24px;
}
.product-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(29,33,29,.08);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 6px 20px rgba(28,31,27,.045);
  transition: opacity .3s, transform .3s, border-color .3s, box-shadow .3s;
}
.product-card:hover {
  border-color: rgba(29,33,29,.2);
  box-shadow: 0 24px 55px rgba(28,31,27,.13);
}
.product-card.hidden { display: none; }
.product-visual {
  position: relative;
  aspect-ratio: 1.08;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #d8d0c0;
}
.product-visual > img {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(.92) contrast(.98);
  transition: transform .7s cubic-bezier(.22,.61,.36,1), filter .4s ease;
}
.product-card:hover .product-visual > img { filter: saturate(1.04) contrast(1); transform: scale(1.035); }
.product-visual::after {
  position: absolute;
  inset: auto 0 0;
  z-index: 2;
  height: 32%;
  content: "";
  opacity: 1;
  border-radius: 0;
  background: linear-gradient(to top, rgba(20,23,20,.2), transparent);
  pointer-events: none;
  transform: none;
}
.product-visual::before, .product-visual::after {
  position: absolute;
  z-index: 2;
  pointer-events: none;
}
.product-visual::before { display: none; }
.art-loc { background: #c7c0ae; }
.art-cha-me { background: #ddd2c2; }
.art-tam { background: #bdc3b9; }
.mini-frame {
  position: relative;
  z-index: 2;
  width: 85%;
  height: 86%;
  padding: 18% 10%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 10px solid #493c30;
  color: #2e2e29;
  background: #f1eadc;
  box-shadow: 10px 15px 30px rgba(33,30,25,.2), inset 0 0 20px rgba(94,72,42,.1);
}
.mini-frame b, .mini-frame i { font-family: var(--serif); font-size: clamp(32px, 4vw, 56px); line-height: .9; }
.mini-frame i { color: #6e4739; font-size: clamp(22px, 2.6vw, 38px); font-weight: 500; }
.mini-frame small { position: absolute; right: 12%; bottom: 12%; padding: 4px; color: var(--red); border: 1px solid var(--red); font-family: serif; }
.badge {
  position: absolute;
  top: 18px;
  left: 18px;
  z-index: 4;
  padding: 8px 11px;
  color: #fff;
  background: rgba(145,47,39,.94);
  border-radius: 6px;
  box-shadow: 0 6px 16px rgba(83,28,24,.18);
  backdrop-filter: blur(8px);
  font-size: 7px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.badge.new { background: var(--moss); }
.quick-add {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 5;
  width: auto;
  height: 44px;
  padding: 0 17px 0 13px;
  display: flex;
  align-items: center;
  gap: 9px;
  border: 0;
  border-radius: 10px;
  color: #fff;
  background: rgba(29,33,29,.94);
  box-shadow: 0 10px 28px rgba(20,23,20,.28);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}
.quick-add span { font-size: 18px; font-style: normal; line-height: 1; }
.quick-add em {
  font-size: 8px;
  font-style: normal;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.quick-add:hover { background: var(--red); transform: translateY(-2px); }
.product-info {
  min-height: 158px;
  padding: 23px 23px 21px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 17px;
  border-top: 1px solid rgba(29,33,29,.07);
}
.product-info > div {
  padding-right: 5px;
}
.product-info > div::after {
  margin-top: 11px;
  display: block;
  content: "Viết tay thủ công  ·  Bảo hành 5 năm";
  color: #737a72;
  font-size: 8px;
  letter-spacing: .025em;
}
.product-info p {
  margin: 0 0 7px;
  color: #8b8b80;
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.product-info h3 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(17px, 1.45vw, 21px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.035em;
}
.product-info > strong {
  position: relative;
  padding-top: 15px;
  color: var(--red);
  border-top: 1px solid rgba(29,33,29,.09);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.product-info > strong::after {
  position: absolute;
  right: 0;
  content: "Xem tác phẩm  ↗";
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.center { margin-top: 35px; text-align: center; }
.button-outline { border: 1px solid var(--ink); background: transparent; }
.button-outline:hover { color: #fff; background: var(--ink); }

.story {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 9vw;
  align-items: center;
  background: var(--paper);
}
.story-visual { position: relative; }
.brush-photo {
  position: relative;
  min-height: 550px;
  overflow: hidden;
  background: linear-gradient(140deg, #867561, #c0a984 52%, #554b40);
  box-shadow: inset 0 0 100px rgba(21,19,16,.3);
}
.brush-photo::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.15));
}
.brush-photo > span { position: absolute; top: 40px; right: 45px; color: rgba(255,255,255,.18); font-family: serif; font-size: 110px; }
.ink-bowl {
  position: absolute;
  left: 15%;
  bottom: 11%;
  width: 170px;
  height: 90px;
  border-radius: 50%;
  background: #191b19;
  box-shadow: inset 0 12px 0 #34352e, 5px 14px 25px rgba(0,0,0,.3);
}
.brush {
  position: absolute;
  width: 22px;
  height: 420px;
  border-radius: 10px;
  background: linear-gradient(90deg, #633724, #bc7e45 50%, #6a3a23);
  transform-origin: bottom;
  box-shadow: 4px 10px 10px rgba(0,0,0,.25);
}
.brush::after { position: absolute; top: -55px; left: -6px; width: 34px; height: 75px; content: ""; border-radius: 70% 70% 30% 30%; background: #1e211e; }
.brush-one { left: 42%; bottom: -35px; transform: rotate(34deg); }
.brush-two { left: 66%; bottom: -50px; transform: rotate(19deg); height: 480px; }
.experience {
  position: absolute;
  right: -38px;
  bottom: 42px;
  z-index: 3;
  width: 130px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #fff;
  background: var(--red);
}
.experience strong { font-family: var(--serif); font-size: 50px; font-weight: 500; }
.experience span { font-size: 8px; letter-spacing: .12em; text-transform: uppercase; }
.story-copy > p:not(.eyebrow) { margin: 28px 0; color: var(--ink-soft); }
.story-copy blockquote {
  margin: 35px 0;
  padding: 0 0 0 25px;
  border-left: 2px solid var(--red);
  font-family: var(--serif);
  font-size: 18px;
  font-style: italic;
}
.artist { display: flex; align-items: center; gap: 13px; }
.artist-avatar { width: 48px; height: 48px; display: grid; place-items: center; color: #fff; background: var(--ink); border-radius: 50%; font-family: serif; }
.artist strong, .artist span { display: block; }
.artist strong { font-family: var(--serif); font-size: 14px; }
.artist span { color: var(--ink-soft); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }

.custom {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 8vw;
  color: #fff;
  overflow: hidden;
  background: var(--moss);
}
.custom::after { position: absolute; right: -80px; bottom: -200px; content: "墨"; color: rgba(255,255,255,.035); font-family: serif; font-size: 450px; line-height: 1; }
.custom .eyebrow { color: #cbb28c; }
.custom > div { position: relative; z-index: 2; }
.custom > div:last-child { padding-top: 40px; }
.custom > div:last-child p { max-width: 500px; margin: 0 0 30px; color: rgba(255,255,255,.65); }
.button-light { color: var(--ink); background: #fff; }
.button-light:hover { color: #fff; background: var(--red); }

.testimonials { text-align: center; background: var(--paper-light); }
.testimonials .eyebrow::before { display: none; }
.quote-mark { height: 55px; color: #d4cbbb; font-family: var(--serif); font-size: 100px; line-height: 1; }
.testimonials blockquote { max-width: 780px; margin: 10px auto 30px; font-family: var(--serif); font-size: clamp(24px, 2.6vw, 38px); line-height: 1.45; }
.reviewer { display: flex; align-items: center; justify-content: center; gap: 12px; }
.reviewer > span { width: 42px; height: 42px; display: grid; place-items: center; color: #fff; background: #a48169; border-radius: 50%; font-size: 10px; }
.reviewer strong, .reviewer small { display: block; text-align: left; }
.reviewer strong { font-family: var(--serif); font-size: 13px; }
.reviewer small { color: var(--ink-soft); font-size: 8px; }
.dots { margin-top: 32px; }
.dots button { width: 6px; height: 6px; margin: 0 4px; padding: 0; border: 0; border-radius: 50%; background: #c4c2ba; cursor: pointer; }
.dots button.active { width: 22px; border-radius: 5px; background: var(--red); }

.newsletter {
  padding: 65px 7vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 8vw;
  border-top: 1px solid var(--line);
  background: var(--paper);
}
.newsletter h2 { font-size: clamp(28px, 3vw, 44px); }
.newsletter form { display: flex; border-bottom: 1px solid var(--ink); }
.newsletter input { width: 100%; padding: 17px 5px; border: 0; outline: 0; background: transparent; font-size: 12px; }
.newsletter button { border: 0; background: transparent; cursor: pointer; font-size: 10px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; white-space: nowrap; }
.newsletter button span { margin-left: 12px; }

footer { padding: 65px 7vw 25px; color: #fff; background: #171a17; }
.footer-main { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 6vw; }
footer .brand-seal { width: 38px; height: 38px; }
.footer-brand p { margin-top: 24px; color: rgba(255,255,255,.45); font-family: var(--serif); font-size: 16px; }
footer h4 { margin: 0 0 20px; color: #bda77f; font-size: 9px; letter-spacing: .16em; text-transform: uppercase; }
footer a, footer p { display: block; margin: 0 0 10px; color: rgba(255,255,255,.55); font-size: 10px; }
footer a:hover { color: #fff; }
.footer-bottom { margin-top: 55px; padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,255,255,.3); font-size: 8px; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a { margin: 0; font-size: inherit; }

.cart-drawer {
  position: fixed;
  top: 0;
  right: -440px;
  z-index: 80;
  width: min(420px, 100%);
  height: 100vh;
  padding: 32px;
  display: flex;
  flex-direction: column;
  background: var(--paper-light);
  transition: right .35s ease;
}
.cart-drawer.open { right: 0; }
.cart-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.cart-header h2 { margin: 0; font-family: var(--serif); font-size: 28px; font-weight: 500; }
.cart-close { border: 0; background: transparent; cursor: pointer; font-size: 26px; }
.cart-items { flex: 1; overflow-y: auto; }
.empty-cart { height: 100%; display: grid; place-content: center; text-align: center; color: var(--ink-soft); }
.empty-cart span { font-family: serif; font-size: 60px; opacity: .18; }
.cart-line { padding: 18px 0; display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 14px; border-bottom: 1px solid var(--line); }
.cart-thumb { width: 58px; height: 68px; display: grid; place-items: center; color: var(--red); border: 5px solid #4b3c30; background: #eee5d5; font-family: var(--serif); font-size: 11px; }
.cart-line h3 { margin: 0; font-family: var(--serif); font-size: 15px; font-weight: 500; }
.cart-line p { margin: 2px 0 0; font-size: 10px; }
.remove-item { border: 0; color: #8b8b80; background: transparent; cursor: pointer; font-size: 18px; }
.cart-footer { padding-top: 20px; border-top: 1px solid var(--line); }
.cart-footer > div { margin-bottom: 16px; display: flex; justify-content: space-between; }
.cart-footer .button { width: 100%; }
.checkout-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 85;
  width: min(940px, calc(100% - 34px));
  max-height: calc(100vh - 34px);
  padding: 38px;
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  border-radius: 20px;
  background: var(--paper-light);
  box-shadow: 0 32px 90px rgba(16,18,16,.28);
  transform: translate(-50%, -47%) scale(.98);
  transition: opacity .28s ease, transform .28s ease, visibility .28s;
}
.checkout-modal.open {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.checkout-close {
  position: absolute;
  top: 20px;
  right: 22px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  font-size: 22px;
}
.checkout-heading { margin-bottom: 28px; padding-right: 45px; }
.checkout-step {
  color: var(--red);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.checkout-heading h2 {
  margin: 5px 0 3px;
  font-family: var(--serif);
  font-size: 34px;
  font-weight: 500;
  letter-spacing: -.03em;
}
.checkout-heading p { margin: 0; color: var(--ink-soft); font-size: 10px; }
.checkout-layout {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 36px;
}
.checkout-fields h3, .checkout-summary h3 {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.checkout-fields label {
  margin-bottom: 14px;
  display: block;
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.checkout-fields input, .checkout-fields textarea {
  width: 100%;
  margin-top: 6px;
  padding: 12px 13px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  color: var(--ink);
  background: #fff;
  font: 500 11px/1.5 var(--sans);
  resize: vertical;
  transition: border-color .2s, box-shadow .2s;
  text-transform: none;
}
.checkout-fields input:focus, .checkout-fields textarea:focus {
  border-color: var(--moss);
  box-shadow: 0 0 0 3px rgba(65,80,68,.09);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.payment-methods {
  margin: 4px 0 0;
  padding: 0;
  border: 0;
}
.payment-methods legend {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.payment-option {
  position: relative;
  margin: 0 0 8px !important;
  padding: 12px 13px;
  display: grid !important;
  grid-template-columns: 18px 1fr auto;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #fff;
  cursor: pointer;
  text-transform: none !important;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.payment-option:has(input:checked) {
  border-color: var(--moss);
  background: rgba(65,80,68,.045);
  box-shadow: 0 0 0 2px rgba(65,80,68,.07);
}
.payment-option input {
  width: 16px;
  height: 16px;
  margin: 0;
  padding: 0;
  accent-color: var(--moss);
}
.payment-option span b, .payment-option span small { display: block; }
.payment-option span b { color: var(--ink); font-size: 10px; }
.payment-option span small { margin-top: 2px; color: var(--ink-soft); font-size: 8px; font-weight: 400; }
.payment-option i {
  min-width: 31px;
  padding: 4px 6px;
  color: var(--moss);
  border: 1px solid rgba(65,80,68,.2);
  border-radius: 5px;
  font-size: 7px;
  font-style: normal;
  font-weight: 700;
  text-align: center;
}
.checkout-summary {
  padding: 24px;
  border-radius: 13px;
  color: #fff;
  background: var(--ink);
}
.checkout-products { max-height: 210px; overflow-y: auto; }
.checkout-product {
  padding: 10px 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid rgba(255,255,255,.1);
  font-size: 10px;
}
.checkout-product span:last-child { color: rgba(255,255,255,.65); white-space: nowrap; }
.checkout-total {
  margin-top: 20px;
  padding-top: 17px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,.24);
}
.checkout-total span { color: rgba(255,255,255,.55); font-size: 8px; letter-spacing: .08em; text-transform: uppercase; }
.checkout-total strong { font-family: var(--serif); font-size: 22px; font-weight: 500; }
.secure-note { margin: 17px 0 0; color: rgba(255,255,255,.45); font-size: 8px; }
.secure-note::before { margin-right: 6px; content: "✓"; color: #a8bca7; }
.checkout-submit { min-width: 270px; margin-top: 24px; }
.checkout-submit:disabled { cursor: wait; opacity: .7; transform: none; }
.payment-success {
  margin-bottom: 26px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 13px;
  border: 1px solid rgba(65,80,68,.18);
  border-radius: 10px;
  background: rgba(65,80,68,.07);
}
.payment-check {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--moss);
  border-radius: 50%;
  font-size: 16px;
}
.payment-success small, .payment-success strong { display: block; }
.payment-success small { color: var(--ink-soft); font-size: 8px; letter-spacing: .1em; text-transform: uppercase; }
.payment-success strong { font-family: var(--serif); font-size: 18px; font-weight: 500; }
.payment-layout { display: grid; grid-template-columns: 320px 1fr; gap: 38px; align-items: center; }
.payment-layout[hidden] { display: none; }
.qr-panel { padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: #fff; text-align: center; }
.qr-panel img { width: 100%; display: block; }
.qr-panel p { margin: 7px 0 0; color: var(--ink-soft); font-size: 8px; }
.bank-details h3 { margin: 5px 0 18px; font-family: var(--serif); font-size: 31px; font-weight: 500; }
.bank-details dl { margin: 0; }
.bank-details dl > div {
  padding: 9px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}
.bank-details dt { color: var(--ink-soft); font-size: 9px; }
.bank-details dd { margin: 0; font-size: 11px; font-weight: 700; text-align: right; }
.copy-transfer {
  margin-top: 16px;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.payment-note { color: var(--ink-soft); font-size: 8px; }
.cod-confirmation {
  padding: 30px;
  display: flex;
  align-items: center;
  gap: 22px;
  border: 1px solid rgba(65,80,68,.18);
  border-radius: 14px;
  background: rgba(65,80,68,.06);
}
.cod-confirmation[hidden] { display: none; }
.cod-icon {
  width: 62px;
  height: 62px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--moss);
  border-radius: 50%;
  font-size: 25px;
}
.cod-confirmation h3 { margin: 4px 0 5px; font-family: var(--serif); font-size: 28px; font-weight: 500; }
.cod-confirmation p { max-width: 610px; margin: 0 0 12px; color: var(--ink-soft); font-size: 10px; }
.cod-confirmation strong { font-size: 11px; }
.cod-confirmation strong span { color: var(--red); }
.payment-actions { margin-top: 25px; display: flex; align-items: center; gap: 25px; }
.order-email-status {
  margin: 0;
  padding: 12px 16px;
  color: var(--moss);
  border: 1px solid rgba(65,80,68,.18);
  border-radius: 8px;
  background: rgba(65,80,68,.06);
  font-size: 9px;
  font-weight: 600;
}
.overlay { position: fixed; inset: 0; z-index: 70; visibility: hidden; opacity: 0; background: rgba(20,22,19,.55); transition: .3s; }
.overlay.open { visibility: visible; opacity: 1; }
.toast { position: fixed; left: 50%; bottom: -80px; z-index: 100; padding: 13px 20px; color: #fff; background: var(--ink); box-shadow: 0 8px 30px rgba(0,0,0,.18); font-size: 10px; transform: translateX(-50%); transition: bottom .3s; }
.toast.show { bottom: 28px; }
.zalo-chat {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 65;
  padding: 9px 16px 9px 9px;
  display: flex;
  align-items: center;
  gap: 11px;
  color: #fff;
  background: #0877e8;
  border-radius: 999px;
  box-shadow: 0 12px 32px rgba(8, 119, 232, .34);
  transition: transform .25s ease, box-shadow .25s ease;
}
.zalo-chat:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 38px rgba(8, 119, 232, .42);
}
.zalo-icon {
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  color: #0877e8;
  background: #fff;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: -.04em;
}
.zalo-label { line-height: 1.25; }
.zalo-label strong, .zalo-label small { display: block; }
.zalo-label strong { font-size: 11px; }
.zalo-label small { margin-top: 3px; color: rgba(255,255,255,.75); font-size: 8px; }

@media (max-width: 980px) {
  .site-header { grid-template-columns: 1fr 1fr; }
  .desktop-nav { display: none; }
  .menu-toggle { display: grid; }
  .menu-toggle span { position: absolute; width: 20px; height: 1px; background: var(--ink); }
  .menu-toggle span:first-child { transform: translateY(-4px); }
  .menu-toggle span:last-child { transform: translateY(4px); }
  .hero { grid-template-columns: 1fr 1fr; padding-left: 5vw; padding-right: 5vw; }
  .hero h1 { font-size: 52px; }
  .hero-frame { width: 80%; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .catalog-toolbar { align-items: flex-start; }
  .mini-frame b { font-size: 55px; }
  .story { gap: 7vw; }
  .footer-main { grid-template-columns: 1.5fr repeat(3, 1fr); gap: 3vw; }
}

@media (max-width: 700px) {
  .announcement { padding-right: 50px; text-align: center; font-size: 8px; }
  .site-header { top: 38px; height: 72px; }
  .brand-seal { width: 36px; height: 36px; font-size: 21px; }
  .brand strong { font-size: 14px; }
  .site-header .search-toggle { display: none; }
  .site-header.menu-open .desktop-nav {
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    padding: 22px 6vw 28px;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
    background: var(--paper-light);
    box-shadow: 0 20px 35px rgba(28, 31, 27, .12);
  }
  .site-header.menu-open .desktop-nav a { padding: 11px 0; font-family: var(--serif); font-size: 18px; }
  .site-header.menu-open .desktop-nav a::after { display: none; }
  .site-header.menu-open .menu-toggle span:first-child { transform: rotate(45deg); }
  .site-header.menu-open .menu-toggle span:last-child { transform: rotate(-45deg); }
  .hero { min-height: auto; padding: 145px 6vw 70px; display: block; }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); }
  .hero-art { min-height: 530px; margin-top: 40px; }
  .hero-frame { width: min(320px, 78vw); }
  .frame-paper { min-height: 380px; }
  .calligraphy { font-size: 75px; }
  .floating-card { left: 0; }
  .vertical-note, .scroll-cue { display: none; }
  .hero-proof { margin-top: 42px; }
  .values { grid-template-columns: 1fr; padding: 15px 6vw; }
  .values article { min-height: auto; padding: 25px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  .section { padding: 75px 6vw; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 18px; }
  .catalog-toolbar { margin-top: 30px; padding: 12px; display: block; }
  .filters { flex-wrap: nowrap; overflow-x: auto; }
  .filters button { flex: 0 0 auto; }
  .sort-control { margin-top: 10px; padding: 10px 5px 0; border-top: 1px solid var(--line); border-left: 0; }
  .product-grid { gap: 14px 10px; }
  .mini-frame { width: 90%; border-width: 7px; }
  .mini-frame b { font-size: 35px; }
  .mini-frame i { font-size: 24px; }
  .badge { top: 8px; left: 8px; padding: 5px 7px; }
  .quick-add { right: 9px; bottom: 9px; width: 38px; height: 38px; padding: 0; display: grid; place-items: center; }
  .quick-add em { display: none; }
  .product-info { min-height: 132px; padding: 15px 13px 13px; display: flex; gap: 10px; }
  .product-info > div::after { margin-top: 7px; font-size: 7px; }
  .product-info h3 { font-size: 16px; }
  .product-info > strong { padding-top: 9px; font-size: 10px; }
  .product-info > strong::after { display: none; }
  .story { grid-template-columns: 1fr; }
  .brush-photo { min-height: 430px; }
  .experience { right: -2vw; }
  .custom { grid-template-columns: 1fr; gap: 10px; }
  .custom > div:last-child { padding-top: 10px; }
  .newsletter { padding: 55px 6vw; grid-template-columns: 1fr; gap: 30px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 35px 25px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: block; }
  .footer-bottom div { margin-top: 12px; }
  .cart-drawer { padding: 24px; }
  .checkout-modal { width: calc(100% - 20px); max-height: calc(100vh - 20px); padding: 28px 18px 22px; border-radius: 15px; }
  .checkout-heading h2 { font-size: 28px; }
  .checkout-layout, .payment-layout { grid-template-columns: 1fr; gap: 22px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .checkout-summary { padding: 19px; }
  .checkout-submit { width: 100%; min-width: 0; }
  .qr-panel { max-width: 320px; margin: auto; }
  .payment-actions { align-items: stretch; flex-direction: column; text-align: center; }
  .cod-confirmation { padding: 22px 18px; align-items: flex-start; }
  .cod-icon { width: 45px; height: 45px; }
  .cod-confirmation h3 { font-size: 23px; }
  .zalo-chat { right: 14px; bottom: 14px; padding: 7px; }
  .zalo-icon { width: 45px; height: 45px; }
  .zalo-label { display: none; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr; gap: 20px; }
  .product-card { border-radius: 14px; }
  .product-info { min-height: 138px; padding: 18px 17px 16px; }
  .product-info h3 { font-size: 19px; }
  .product-info > strong { font-size: 12px; }
}

@media (prefers-reduced-motion: no-preference) {
  .product-card, .values article, .story-copy, .story-visual { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
  .product-card.reveal, .values article.reveal, .story-copy.reveal, .story-visual.reveal { opacity: 1; transform: translateY(0); }
}
