/* =========================================================
   Mật Nắng — bảng màu lấy từ logo (nâu mật, vàng nắng, kem)
   ========================================================= */
:root {
  --brown-900: #3a200b;
  --brown-700: #5a3412;   /* màu chính: nút, thanh trên cùng */
  --brown-600: #74461b;
  --honey-500: #f0a818;   /* màu nắng của logo */
  --honey-600: #dc9410;
  --honey-text: #8f530a;  /* chữ màu mật trên nền kem — đạt tương phản 4.5:1 */
  --cream: #fffaf1;
  --sand: #f8eedc;
  --sand-2: #fbe3b8;
  --line: #ead9bd;
  --ink: #2c1d11;
  --muted: #66523f;
  --white: #fff;
  --ok: #2f6b2f;
  --err: #a12a1c;

  --font-head: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-logo: 'Lobster', 'Brush Script MT', cursive;
  --font-body: 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(58, 32, 11, .06), 0 8px 24px rgba(58, 32, 11, .07);
  --shadow-lg: 0 18px 40px rgba(58, 32, 11, .14);
  --container: 1200px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--honey-text); }
ul, ol { margin: 0; padding: 0; }
h1, h2, h3 { margin: 0; line-height: 1.2; color: var(--brown-900); }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--honey-500); outline-offset: 2px; border-radius: 4px; }

.container { width: min(100% - 32px, var(--container)); margin-inline: auto; }
.narrow { max-width: 820px; }
.center { text-align: center; }
.sr-only, .hp {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--brown-700); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 12px; color: #fff; }

.icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon--sm { width: 16px; height: 16px; }
.icon--lg { width: 28px; height: 28px; stroke-width: 1.5; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 10px 22px; border-radius: 6px; border: 1.5px solid transparent;
  font: 600 14px/1.2 var(--font-body); letter-spacing: .04em; text-transform: uppercase;
  cursor: pointer; transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .15s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--brown-700); color: #fff; }
.btn--primary:hover { background: var(--brown-900); color: #fff; }
.btn--accent { background: var(--honey-500); color: var(--brown-900); }
.btn--accent:hover { background: var(--honey-600); color: var(--brown-900); }
.btn--outline { background: transparent; color: var(--brown-700); border-color: var(--brown-700); }
.btn--outline:hover { background: var(--brown-700); color: #fff; }
.btn--sm { min-height: 40px; padding: 8px 16px; font-size: 12.5px; }
.btn--lg { min-height: 50px; padding: 12px 26px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .6; cursor: progress; }

.icon-btn {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 50%;
  border: 0; background: transparent; color: var(--brown-700); cursor: pointer; transition: background-color .2s;
}
.icon-btn:hover { background: var(--sand); color: var(--brown-900); }
.icon-btn--dark { background: var(--brown-700); color: #fff; }
.icon-btn--dark:hover { background: var(--honey-500); color: var(--brown-900); }

.eyebrow { font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--honey-text); margin-bottom: 12px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--brown-700); }
.link-arrow .icon { transition: transform .2s var(--ease); }
.link-arrow:hover .icon { transform: translateX(4px); }

/* ---------- Top bar ---------- */
.topbar { background: var(--brown-700); color: #fbeedd; font-size: 13px; }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 40px; }
.topbar__item { display: inline-flex; align-items: center; gap: 8px; color: inherit; }
.topbar__item:hover { color: var(--honey-500); }
.topbar__item strong { color: var(--honey-500); font-weight: 600; }
.topbar .icon { width: 16px; height: 16px; color: var(--honey-500); }

/* ---------- Header ---------- */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 250, 241, .96); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line); }
.header__inner { display: flex; align-items: center; gap: 24px; min-height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; }
.brand__mark { width: 44px; height: 48px; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__name { font-family: var(--font-logo); font-weight: 400; font-size: 30px; color: #673d1a; letter-spacing: 0; }
.brand__tag { font-size: 10px; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: #673d1a; margin-top: 3px; }

.nav { margin-left: auto; }
.nav__list { display: flex; list-style: none; gap: 4px; }
.nav__item { position: relative; }
.nav__link {
  display: inline-flex; align-items: center; gap: 4px; padding: 10px 14px; border-radius: 6px;
  font-size: 13.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--ink);
}
.nav__link.is-active, .nav__link:hover { color: var(--honey-text); }
.nav__link.is-active { box-shadow: inset 0 -2px 0 var(--honey-500); border-radius: 0; }
.nav__sub {
  position: absolute; top: 100%; left: 0; min-width: 240px; list-style: none; padding: 8px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(6px); transition: opacity .18s, transform .18s var(--ease), visibility .18s;
}
.nav__sub a { display: block; padding: 10px 12px; border-radius: 6px; font-size: 14.5px; }
.nav__sub a:hover { background: var(--sand); }
.has-sub:hover .nav__sub, .has-sub:focus-within .nav__sub { opacity: 1; visibility: visible; transform: none; }
.nav__cta-mobile { display: none; }
.header__actions { display: flex; align-items: center; gap: 8px; }
.nav-toggle { display: none; }
.nav-toggle .icon-close { display: none; }

/* ---------- Hero ---------- */
.hero { background: linear-gradient(100deg, var(--cream) 0%, var(--cream) 42%, var(--sand) 100%); overflow: hidden; }
.hero__inner { display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 48px; padding-block: 56px 64px; }
.hero__title { font-family: var(--font-head); font-weight: 600; font-size: clamp(38px, 5.4vw, 62px); line-height: 1.12; letter-spacing: -.01em; margin-bottom: 20px; text-wrap: balance; }
.hero__lead { font-size: 17px; color: var(--muted); max-width: 52ch; margin-bottom: 28px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.hero__actions--center { justify-content: center; }
.hero__media { position: relative; }
.hero__media > img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 24px 24px 24px 120px; box-shadow: var(--shadow-lg); }
.hero__note {
  position: absolute; left: -24px; bottom: 28px; display: flex; align-items: center; gap: 12px;
  background: #fff; padding: 14px 18px; border-radius: 14px; box-shadow: var(--shadow-lg); max-width: 300px;
}
.hero__note strong { display: block; font-size: 15px; color: var(--brown-900); }
.hero__note span { font-size: 13px; color: var(--muted); line-height: 1.4; display: block; }

/* ---------- Trust strip ---------- */
.trust { background: var(--sand); border-block: 1px solid var(--line); }
.trust__grid { display: grid; grid-template-columns: repeat(6, 1fr); }
.trust__item { display: flex; gap: 12px; align-items: flex-start; padding: 22px 16px; color: var(--brown-700); }
.trust__item + .trust__item { border-left: 1px solid var(--line); }
.trust__item strong { display: block; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--brown-900); }
.trust__item span { display: block; font-size: 13px; line-height: 1.45; color: var(--muted); margin-top: 2px; }

/* ---------- Sections ---------- */
.section { padding-block: 72px; }
.section--tight { padding-block: 24px 56px; }
.section--first { padding-top: 32px; }
.section--sand { background: var(--sand); }
.section__head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 28px; }
.section__head--center { flex-direction: column; align-items: center; text-align: center; }
.section__title { font-family: var(--font-head); font-weight: 600; font-size: clamp(26px, 3.2vw, 36px); margin-bottom: 12px; text-wrap: balance; }
.section__head .section__title { margin-bottom: 0; }
.section__rule { width: 56px; height: 3px; border-radius: 3px; background: var(--honey-500); margin-top: 12px; }

/* ---------- Ways (circles) ---------- */
.ways { list-style: none; display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.way { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 6px; }
.way__img { width: 148px; height: 148px; max-width: 100%; aspect-ratio: 1; border-radius: 50%; padding: 8px; background: var(--sand-2); transition: transform .3s var(--ease), box-shadow .3s; }
.way__img img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.way:hover .way__img { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.way__title { margin-top: 10px; font-size: 14px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--brown-900); }
.way__more { font-size: 13px; color: var(--muted); }

/* ---------- Product cards ---------- */
.pgrid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pgrid--3 { grid-template-columns: repeat(3, 1fr); }
.pgrid--2 { grid-template-columns: repeat(2, 1fr); }
.pcard { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.pcard:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.pcard__media { position: relative; display: block; aspect-ratio: 1; background: var(--sand); overflow: hidden; }
.pcard__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.pcard:hover .pcard__media img { transform: scale(1.04); }
.badge { position: absolute; top: 12px; left: 12px; z-index: 1; display: inline-block; padding: 4px 10px; border-radius: 4px; background: var(--brown-700); color: #fff; font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.pdp__info .badge { position: static; margin-bottom: 14px; }
.badge--muted { background: #fff; color: var(--brown-700); border: 1px solid var(--line); }
.pcard__body { display: flex; flex-direction: column; flex: 1; padding: 18px 18px 20px; }
.pcard__title { font-family: var(--font-body); font-size: 18px; font-weight: 700; }
.pcard__sub { font-size: 13px; color: var(--honey-text); font-weight: 600; margin: 2px 0 0; }
.pcard__summary { font-size: 14.5px; color: var(--muted); margin: 8px 0 12px; }
.chips { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.chip { padding: 3px 10px; border-radius: 999px; background: var(--sand); border: 1px solid var(--line); font-size: 12.5px; font-weight: 500; color: var(--brown-700); white-space: nowrap; }
.chips--lg .chip { padding: 6px 14px; font-size: 14px; }
.pcard__foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.price { font-size: 14px; color: var(--muted); }
.price strong { color: var(--brown-900); font-size: 17px; }
.pcard--soon .pcard__media img { filter: saturate(.75); }

/* ---------- Promos ---------- */
.promos { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.promo { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; min-height: 240px; border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s; }
.promo:hover { box-shadow: var(--shadow-lg); color: inherit; }
.promo--sand { background: #efe6cf; }
.promo--honey { background: var(--sand-2); }
.promo__copy { padding: 28px; }
.promo__copy p:not(.eyebrow) { font-size: 14.5px; color: var(--muted); }
.promo__title { font-family: var(--font-body); font-size: 24px; font-weight: 700; text-transform: uppercase; letter-spacing: .01em; margin-bottom: 10px; }
.promo__img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Story ---------- */
.story { background: var(--brown-700); color: #fbeedd; }
.story .section__title { color: #fff; }
.story .eyebrow { color: var(--honey-500); }
.story__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.story__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.story__copy p { color: #f3e2c9; }
.story__quote { margin: 20px 0 28px; padding-left: 20px; border-left: 3px solid var(--honey-500); font-family: var(--font-head); font-style: italic; font-size: 22px; line-height: 1.45; color: var(--honey-500); }
.story .btn--outline { color: #fff; border-color: #fff; }
.story .btn--outline:hover { background: #fff; color: var(--brown-900); }

/* ---------- Posts ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post-grid--2 { grid-template-columns: repeat(2, 1fr); }
.post-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .25s; }
.post-card:hover { box-shadow: var(--shadow-lg); }
.post-card__media { display: block; aspect-ratio: 3 / 2; overflow: hidden; }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.post-card:hover .post-card__media img { transform: scale(1.04); }
.post-card__body { padding: 18px 20px 22px; }
.post-card__body p:last-child { color: var(--muted); font-size: 14.5px; margin: 0; }
.post-card__meta { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--honey-text); font-weight: 600; margin-bottom: 6px; }
.post-card__title { font-family: var(--font-head); font-size: 21px; font-weight: 600; margin-bottom: 8px; }

/* ---------- Page hero ---------- */
.page-hero { background: linear-gradient(180deg, var(--sand) 0%, var(--cream) 100%); padding-block: 36px 48px; border-bottom: 1px solid var(--line); }
.page-hero__title { font-family: var(--font-head); font-size: clamp(32px, 4.6vw, 52px); font-weight: 600; margin-bottom: 12px; text-wrap: balance; }
.page-hero__lead { font-size: 17px; color: var(--muted); max-width: 64ch; margin: 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: var(--muted); margin-bottom: 20px; }
.crumbs a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--line); }

/* ---------- About ---------- */
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.split--reverse { grid-template-columns: .9fr 1.1fr; }
.split__img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.prose p { font-size: 17px; }
.dropcap::first-letter { float: left; font-family: var(--font-head); font-size: 64px; line-height: .9; padding: 6px 10px 0 0; color: var(--honey-text); }
.prose .story__quote { color: var(--brown-700); }
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.value { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; }
.value h3 { font-size: 19px; margin: 14px 0 8px; font-family: var(--font-body); font-weight: 700; }
.value p { color: var(--muted); font-size: 15px; margin: 0; }
.value__icon { display: inline-grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; background: var(--sand-2); color: var(--brown-700); flex: none; }
.signoff { font-family: var(--font-head); font-style: italic; font-size: 22px; color: var(--brown-700); margin-top: 20px; }

/* ---------- Product page ---------- */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.pdp__main { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius); background: var(--sand); }
.pdp__thumbs { display: flex; gap: 10px; margin-top: 12px; }
.pdp__thumb { width: 84px; height: 84px; padding: 0; border: 2px solid transparent; border-radius: 10px; overflow: hidden; cursor: pointer; background: var(--sand); }
.pdp__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pdp__thumb.is-active { border-color: var(--honey-500); }
.note { font-size: 13px; color: var(--muted); margin-top: 10px; }
.pdp__title { font-family: var(--font-head); font-size: clamp(30px, 4vw, 44px); font-weight: 600; }
.pdp__desc { font-size: 17px; color: var(--muted); margin: 16px 0 24px; }
.pdp__label { font-family: var(--font-body); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--brown-700); margin-bottom: 10px; }
.pdp__price { display: flex; align-items: baseline; gap: 12px; padding: 16px 0; margin: 8px 0 16px; border-block: 1px solid var(--line); }
.pdp__price span { color: var(--muted); }
.pdp__price strong { font-size: 22px; color: var(--brown-900); }
.pdp__price a { color: var(--honey-text); }
.alert { display: flex; gap: 10px; align-items: flex-start; margin-top: 24px; padding: 14px 16px; border-radius: 10px; background: #fdf0d7; border: 1px solid #f2c97a; color: #6b3d06; font-weight: 500; }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.info-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; }
.info-card__title { display: flex; align-items: center; gap: 10px; font-family: var(--font-head); font-size: 24px; margin-bottom: 16px; color: var(--brown-900); }
.info-card__title .icon { color: var(--honey-text); }
.checklist { list-style: none; display: grid; gap: 10px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; }
.checklist .icon { color: var(--honey-text); margin-top: 3px; }

/* ---------- Table ---------- */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.spec-table th, .spec-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--line); }
.spec-table thead th { background: var(--brown-700); color: #fff; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
.spec-table tbody tr:last-child > * { border-bottom: 0; }
.spec-table td a { color: var(--honey-text); font-weight: 600; }

/* ---------- Post ---------- */
.post__cover { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius); margin-bottom: 20px; }
.post__meta { list-style: none; display: flex; gap: 20px; color: var(--muted); margin-bottom: 28px; }
.post__meta li { display: inline-flex; gap: 6px; align-items: center; }
.post__h2 { margin-top: 40px; }
.steps { list-style: none; counter-reset: s; display: grid; gap: 16px; }
.steps li { counter-increment: s; position: relative; padding: 4px 0 0 56px; min-height: 40px; font-size: 17px; }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: var(--honey-500); color: var(--brown-900); font-weight: 700; }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 48px; padding: 28px; border-radius: var(--radius); background: var(--sand-2); }
.cta-box h2 { font-family: var(--font-head); font-size: 24px; margin-bottom: 6px; }
.cta-box p { margin: 0; color: var(--muted); }

/* ---------- Contact & forms ---------- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.contact__list { list-style: none; display: grid; gap: 18px; margin-bottom: 24px; }
.contact__list li { display: flex; gap: 16px; align-items: center; }
.contact__list strong { display: block; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.contact__list a, .contact__list span { font-size: 18px; font-weight: 600; color: var(--brown-900); }
.map { margin-top: 28px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4 / 3; background: var(--sand); }
.map iframe { width: 100%; height: 100%; border: 0; }
.contact__form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); scroll-margin-top: 100px; }
#bao-gia { scroll-margin-top: 100px; }

.quote-form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: 14px; font-weight: 600; color: var(--brown-900); }
.field label span { color: var(--err); }
.help { font-size: 13px; color: var(--muted); }
.input {
  width: 100%; min-height: 48px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm);
  background: var(--cream); font: 16px/1.4 var(--font-body); color: var(--ink); transition: border-color .2s, box-shadow .2s;
}
textarea.input { resize: vertical; min-height: 96px; }
.input:focus { outline: none; border-color: var(--honey-600); box-shadow: 0 0 0 3px rgba(240, 168, 24, .25); }
.input[aria-invalid="true"] { border-color: var(--err); }
.field-error { font-size: 13px; color: var(--err); font-weight: 500; }
.form-status { margin: 10px 0 0; font-size: 14.5px; font-weight: 500; }
.form-status:empty { display: none; }
.form-status.is-ok { color: var(--ok); }
.form-status.is-error { color: var(--err); }
.contact__form > .form-status { padding: 12px 14px; border-radius: 8px; margin-bottom: 18px; background: var(--sand); }

/* ---------- Footer ---------- */
.footer { background: var(--sand); border-top: 1px solid var(--line); padding-top: 56px; margin-top: 24px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr 1.3fr; gap: 32px; padding-bottom: 40px; }
.footer__brand p { font-size: 14.5px; color: var(--muted); margin: 16px 0; }
.footer__social { display: flex; gap: 10px; }
.footer__title { font-family: var(--font-body); font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 14px; color: var(--brown-900); }
.footer__links { list-style: none; display: grid; gap: 4px; font-size: 14.5px; color: var(--muted); }
.footer__links a { display: inline-block; padding: 4px 0; }
.footer__contact li { display: flex; gap: 8px; align-items: flex-start; padding: 4px 0; }
.footer__contact .icon { width: 16px; height: 16px; margin-top: 4px; color: var(--honey-text); }
.footer__contact a { padding: 0; word-break: break-word; }
.footer__callback p { font-size: 14px; color: var(--muted); }
.callback-form { display: grid; gap: 10px; }
.callback-form .input { background: #fff; }
.footer__bottom { border-top: 1px solid var(--line); font-size: 13.5px; color: var(--muted); }
.footer__bottom-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding-block: 18px; }
.footer__bottom p { margin: 0; }

/* ---------- Floating Zalo / Call ---------- */
.fab { position: fixed; right: 18px; bottom: 18px; z-index: 60; display: flex; flex-direction: column; gap: 12px; }
.fab__btn { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 50%; box-shadow: var(--shadow-lg); transition: transform .2s var(--ease); }
.fab__btn:hover { transform: scale(1.06); }
.fab__btn--zalo { background: #0068ff; color: #fff; }
.fab__btn--zalo:hover { color: #fff; }
.fab__zalo { font-weight: 700; font-size: 14px; letter-spacing: .02em; }
.fab__btn--call { background: var(--honey-500); color: var(--brown-900); }
.fab__btn--call .icon { width: 24px; height: 24px; }
.fab__btn--call::after { content: ''; position: absolute; width: 56px; height: 56px; border-radius: 50%; border: 2px solid var(--honey-500); animation: ring 2.2s infinite; }
@keyframes ring { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.5); opacity: 0; } }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .header__cta { display: none; }
  .trust__grid { grid-template-columns: repeat(3, 1fr); }
  .trust__item:nth-child(4) { border-left: 0; }
  .trust__item:nth-child(n + 4) { border-top: 1px solid var(--line); }
  .ways { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
  .pgrid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .topbar__item--end { display: none; }
  .nav-toggle { display: inline-grid; }
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; height: calc(100dvh - 68px); z-index: 49; background: var(--cream); padding: 16px 16px 32px;
    overflow-y: auto; display: none; border-top: 1px solid var(--line); box-shadow: var(--shadow-lg);
  }
  .nav-open .nav { display: block; }
  .nav-open .nav-toggle .icon-open { display: none; }
  .nav-open .nav-toggle .icon-close { display: block; }
  .nav-open { overflow: hidden; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__link { width: 100%; padding: 14px 4px; font-size: 15px; border-bottom: 1px solid var(--line); }
  .nav__link.is-active { box-shadow: none; }
  .nav__link .icon { display: none; }
  .nav__sub { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: 0; background: transparent; padding: 0 0 8px 12px; }
  .nav__cta-mobile { display: flex; margin-top: 20px; width: 100%; }
  .hero__inner, .story__inner, .split, .split--reverse, .pdp, .contact { grid-template-columns: 1fr; gap: 32px; }
  .split--reverse .split__img { order: 2; }
  .hero__inner { padding-block: 32px 48px; }
  .hero__note { left: 12px; bottom: 12px; }
  .hero__media > img { border-radius: 20px 20px 20px 72px; }
  .promos, .info-grid, .post-grid, .post-grid--2, .pgrid--3, .pgrid--2 { grid-template-columns: 1fr 1fr; }
  .post-grid > :nth-child(3) { display: none; }
  .post-grid--2 > :nth-child(3) { display: block; }
  .promos { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .topbar__item--center { display: none; }
  .topbar__inner { justify-content: center; }
  .header__inner { min-height: 68px; gap: 12px; }
  .brand__mark { width: 37px; height: 40px; }
  .brand__name { font-size: 26px; }
  .section { padding-block: 52px; }
  .trust__grid { grid-template-columns: 1fr 1fr; }
  .trust__item { padding: 16px 10px; }
  .trust__item:nth-child(n) { border-left: 0; border-top: 0; }
  .trust__item:nth-child(even) { border-left: 1px solid var(--line); }
  .trust__item:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .ways { grid-template-columns: repeat(2, 1fr); }
  .way__img { width: 128px; height: 128px; }
  .pgrid, .pgrid--3, .pgrid--2, .post-grid, .post-grid--2, .info-grid, .value-grid { grid-template-columns: 1fr; }
  .post-grid > :nth-child(3) { display: block; }
  .promo { grid-template-columns: 1fr; }
  .promo__img { aspect-ratio: 16 / 9; order: -1; }
  .section__head:not(.section__head--center) { flex-direction: column; align-items: flex-start; }
  .quote-form { grid-template-columns: 1fr; }
  .contact__form { padding: 22px; }
  .cta-box { flex-direction: column; align-items: flex-start; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__callback, .footer__grid > :nth-child(4) { grid-column: 1 / -1; }
  .spec-table th, .spec-table td { padding: 12px; font-size: 14px; }
  .fab { right: 12px; bottom: 12px; }
  .fab__btn { width: 52px; height: 52px; }
  .fab__btn--call::after { width: 52px; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}