/* =========================================================
   BÍCH NGỌC · TƯ VẤN BẤT ĐỘNG SẢN CAO CẤP
   Ngôn ngữ thiết kế theo web mẫu christiesrealestate.com:
   nền trắng · hộp xám nhạt · chữ đen · tiêu đề Playfair · vàng champagne chỉ ở điểm nhấn
   ========================================================= */
:root {
  --ink: #171A1C;
  --navy: #232B39;
  --gold: #C9AC77;
  --gold-deep: #A88C58;
  --gray: #7E868C;
  --box: #F2F4F5;
  --box-2: #E9ECEE;
  --line: #E1E4E6;
  --white: #FFFFFF;
  --footer: #171A1C;
  --serif: "Playfair Display", Georgia, serif;
  --sans: "Be Vietnam Pro", "Helvetica Neue", Arial, sans-serif;
  --wrap: 1440px;
  --gutter: clamp(18px, 5vw, 120px);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --header-h: 96px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
[id] { scroll-margin-top: 120px; }
body {
  margin: 0; background: var(--white); color: var(--ink);
  font-family: var(--sans); font-size: 15px; line-height: 1.75; font-weight: 300; letter-spacing: .05em;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; letter-spacing: inherit; }
input, select, textarea { font: inherit; color: inherit; letter-spacing: .03em; }
::selection { background: var(--gold); color: var(--ink); }
:focus-visible { outline: 1px solid var(--gold); outline-offset: 3px; }
b, strong { font-weight: 500; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; line-height: 1.25; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(34px, 3.6vw, 52px); }
h2 { font-size: clamp(28px, 2.6vw, 40px); }
h3 { font-size: clamp(20px, 1.6vw, 24px); }
h1 em, h2 em, h3 em, .gold-text { font-style: normal; color: inherit; }
p { margin: 0 0 1.1em; }
.eyebrow { display: block; font-size: 11px; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; color: var(--gray); margin: 0 0 14px; }
.eyebrow--plain { color: inherit; }
.muted { color: var(--gray); }
.center { text-align: center; }
.section { padding: clamp(64px, 7vw, 110px) 0; }
.section--tight { padding: clamp(40px, 5vw, 70px) 0; }
.section--ivory, .section--mist { background: var(--box); }
/* các khối "tối" của phiên bản trước nay theo web mẫu: nền xám nhạt, chữ đen */
.section--jade, .section--ink { background: var(--box); color: var(--ink); }
.jade-glow { position: relative; }
.divider-gem, .gem-float, .marquee, .scroll-cue, #dust, .preloader, .cursor, .progress { display: none !important; }

/* ---------- Nút ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 34px; font-size: 14px; font-weight: 400; letter-spacing: .08em;
  border: 1px solid var(--ink); transition: background .3s, color .3s, border-color .3s; white-space: nowrap;
}
.btn--solid { background: var(--ink); color: #fff; }
.btn--solid:hover { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.btn--line:hover { background: var(--ink); color: #fff; }
.btn--gold { background: var(--gold); border-color: var(--gold); color: var(--ink); }
.btn--gold:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn--light { border-color: #fff; color: #fff; }
.btn--light:hover { background: #fff; color: var(--ink); }
.btn .arrow { display: none; }
.link-arrow { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; letter-spacing: .08em; border-bottom: 1px solid currentColor; padding-bottom: 3px; transition: color .3s; }
.link-arrow:hover { color: var(--gold-deep); }
.link-arrow--gold { color: inherit; }
.link-plain { font-size: 14px; letter-spacing: .08em; }
.link-plain:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- Thanh trên + header ---------- */
.utility { background: #DDE1E4; color: var(--navy); font-size: 13px; }
.utility .wrap { display: flex; justify-content: space-between; align-items: center; height: 34px; gap: 16px; }
.utility nav { display: flex; gap: 24px; }
.utility a:hover { text-decoration: underline; text-underline-offset: 3px; }
.utility__note b { font-weight: 500; }
.site-header { position: sticky; top: 0; z-index: 50; background: #fff; border-bottom: 1px solid var(--line); transition: transform .4s var(--ease); }
.site-header.is-hidden { transform: translateY(-100%); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; flex-direction: column; align-items: center; line-height: 1; color: var(--ink); }
.logo__gem { display: none; }
.logo__text { display: flex; flex-direction: column; align-items: center; }
.logo__name { font-family: var(--serif); font-size: 31px; letter-spacing: .02em; text-transform: uppercase; }
.logo__sub { font-family: var(--serif); font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav__item { position: static; }
.nav__link { display: inline-flex; align-items: center; height: var(--header-h); padding: 0 17px; font-size: 16px; font-weight: 400; letter-spacing: .08em; position: relative; }
.nav__link::after { content: ""; position: absolute; left: 17px; right: 17px; bottom: 30px; height: 1px; background: var(--ink); transform: scaleX(0); transition: transform .3s var(--ease); }
.nav__link:hover::after, .nav__item.is-open .nav__link::after, .nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__icon { display: none; }
.nav__cta { margin-left: 18px; height: 48px; padding: 0 24px; font-size: 15px; }
.nav__call { display: none; }
.mega { position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-top: 1px solid var(--line); box-shadow: 0 20px 30px -20px rgba(0,0,0,.18); opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; }
.nav__item.is-open .mega { opacity: 1; visibility: visible; }
.mega .wrap { display: grid; grid-template-columns: repeat(3, 1fr) 1.2fr; gap: 40px; padding-top: 36px; padding-bottom: 40px; height: auto; align-items: start; }
.mega h4 { font-family: var(--sans); font-size: 14px; letter-spacing: .1em; text-transform: uppercase; margin: 0 0 18px; font-weight: 500; }
.mega ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.mega a { font-size: 15px; }
.mega a:hover { text-decoration: underline; text-underline-offset: 3px; }
.mega .all { font-weight: 500; margin-top: 16px; display: inline-block; font-size: 14px; }
.mega .all::after { content: " →"; }
.mega__feature { position: relative; min-height: 190px; overflow: hidden; }
.mega__feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.mega__feature span { position: absolute; left: 18px; bottom: 14px; color: #fff; font-family: var(--serif); font-size: 21px; text-shadow: 0 1px 12px rgba(0,0,0,.5); }
.burger { display: none; width: 44px; height: 44px; position: relative; z-index: 60; }
.burger span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--ink); transition: transform .3s, opacity .3s; }
.burger span:nth-child(1) { top: 15px; } .burger span:nth-child(2) { top: 21px; } .burger span:nth-child(3) { top: 27px; }
.menu-open .burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-open .burger span:nth-child(2) { opacity: 0; }
.menu-open .burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Hero như web mẫu ---------- */
.hero { position: relative; height: min(72vh, 700px); min-height: 480px; overflow: hidden; background: #222; color: #fff; }
.hero__slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.2s var(--ease); }
.hero__slide.is-active { opacity: 1; }
.hero__slide img { width: 100%; height: 100%; object-fit: cover; }
.hero__slide.is-active img { animation: kenburns 9s linear forwards; }
@keyframes kenburns { from { transform: scale(1.06); } to { transform: scale(1); } }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(0,0,0,.08), rgba(0,0,0,.18) 55%, rgba(0,0,0,.42)); }
.hero__content { position: absolute; z-index: 2; left: 0; right: 0; top: 58%; transform: translateY(-50%); text-align: center; padding: 0 var(--gutter); }
.hero__eyebrow { display: none; }
.hero h1 { font-size: clamp(32px, 3.4vw, 50px); text-shadow: 0 2px 18px rgba(0,0,0,.35); margin-bottom: 22px; }
.hero__sub, .hero__actions { display: none; }
.split-line { display: inline; }
.fade-up { opacity: 1; }
.search { position: relative; max-width: 864px; margin: 0 auto; background: #fff; color: var(--ink); display: flex; align-items: center; height: 50px; border: 1px solid #d9dcde; }
.search input { flex: 1; border: 0; height: 100%; padding: 0 14px; font-size: 15px; background: transparent; outline: none; min-width: 0; font-weight: 300; }
.search input::placeholder { color: #6b7278; }
.search button { width: 52px; height: 50px; display: grid; place-items: center; }
.search button svg { width: 19px; height: 19px; }
.search__results { position: absolute; top: 100%; left: -1px; right: -1px; background: #fff; text-align: left; border: 1px solid #d9dcde; border-top: 0; box-shadow: 0 16px 30px rgba(0,0,0,.14); display: none; max-height: 340px; overflow: auto; z-index: 5; }
.search__results.is-open { display: block; }
.search__results a { display: flex; justify-content: space-between; gap: 12px; padding: 13px 16px; border-top: 1px solid var(--line); font-size: 15px; }
.search__results a:hover, .search__results a.is-focus { background: var(--box); }
.search__results small { color: var(--gray); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; white-space: nowrap; }
.hero__footer { position: absolute; z-index: 2; left: 0; right: 0; bottom: 26px; }
.hero__footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 0 34px; max-width: none; }
.hero__controls { display: flex; gap: 6px; align-items: center; }
.hero__controls button { width: 32px; height: 32px; display: grid; place-items: center; }
.hero__controls svg { width: 16px; height: 16px; fill: none; stroke: #fff; stroke-width: 1.4; }
.hero__count, .hero__dots { display: none; }
.hero__caption { font-size: 14px; letter-spacing: .02em; text-transform: uppercase; display: inline-flex; gap: 14px; align-items: center; text-align: right; }
.hero__caption:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ---------- Khối hộp xám + ảnh chồng (như "Our Global Network") ---------- */
.chain { position: relative; display: grid; grid-template-columns: 60% 40%; align-items: center; }
.chain__box { grid-column: 1; grid-row: 1; background: var(--box); padding: clamp(48px, 6vw, 110px) clamp(32px, 8vw, 160px) clamp(48px, 6vw, 110px) clamp(32px, 8vw, 120px); min-height: 520px; display: flex; flex-direction: column; justify-content: center; }
.chain__box > * { max-width: 560px; }
.chain__box h2 { margin: 0 0 30px; }
.chain__box p { font-size: 15px; color: var(--ink); }
.chain__media { grid-column: 1 / 3; grid-row: 1; justify-self: end; width: 44%; aspect-ratio: 16 / 10; overflow: hidden; position: relative; z-index: 1; }
.chain__media img { width: 100%; height: 100%; object-fit: cover; }
.chain--reverse { grid-template-columns: 40% 60%; }
.chain--reverse .chain__box { grid-column: 2; padding: clamp(48px, 6vw, 110px) clamp(32px, 8vw, 120px) clamp(48px, 6vw, 110px) clamp(32px, 11vw, 200px); }
.chain--reverse .chain__media { justify-self: start; }
.pull { font-family: var(--serif); font-style: italic; font-size: 19px; line-height: 1.6; border-left: 1px solid var(--gold); padding-left: 20px; margin: 22px 0; letter-spacing: 0; }
.signature { font-family: var(--serif); font-style: italic; font-size: 24px; color: var(--gold-deep); letter-spacing: 0; margin-bottom: 22px; }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 30px; margin: 26px 0 30px; }
.stats b { display: block; font-family: var(--serif); font-weight: 400; font-size: 32px; line-height: 1.1; letter-spacing: 0; }
.stats span { font-size: 12.5px; color: var(--gray); }

/* ---------- Tiêu đề hàng + cuộn ngang (như "Featured Properties") ---------- */
.row-head { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 30px; flex-wrap: wrap; }
.row-head h2 { margin: 0; }
.row-head__lead { max-width: 560px; color: var(--gray); margin: 10px 0 0; flex-basis: 100%; }
.row-head__side { display: flex; align-items: center; gap: 30px; }
.row-head__nav { display: flex; gap: 14px; }
.round-btn { width: 36px; height: 36px; display: grid; place-items: center; transition: opacity .2s; }
.round-btn:hover { opacity: .55; }
.round-btn svg { width: 18px; height: 18px; }
.scroller { display: grid; grid-auto-flow: column; gap: 48px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; padding-bottom: 6px; }
.scroller::-webkit-scrollbar { display: none; }
.scroller > * { scroll-snap-align: start; }
.scroller--4 { grid-auto-columns: calc((100% - 144px) / 4.15); }
.scroller--3 { grid-auto-columns: calc((100% - 96px) / 3); }

/* ---------- Thẻ dự án ---------- */
.card { display: block; }
.card__media { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--box); }
.card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.card:hover .card__media img { transform: scale(1.04); }
.card__tag { position: absolute; top: 12px; left: 12px; background: rgba(255,255,255,.92); color: var(--ink); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; padding: 5px 10px; font-weight: 500; }
.card__overlay { display: none; }
.card__body { padding: 18px 8px 0; }
.card__price { font-size: 18px; letter-spacing: .08em; font-weight: 400; }
.card__title { font-size: 16px; letter-spacing: .06em; margin-top: 6px; }
.card__meta { font-size: 14px; letter-spacing: .06em; color: var(--ink); margin-top: 4px; }
.card__why { font-size: 13.5px; color: var(--gray); margin: 10px 0 0; line-height: 1.65; letter-spacing: .03em; }
.card--more { display: grid; place-items: center; text-align: center; aspect-ratio: 1 / 1; padding: 24px; background: var(--box); transition: background .3s; }
.card--more:hover { background: var(--box-2); }

/* ---------- Carousel thương hiệu (như "A Brand Like No Other") ---------- */
.brand-slider { position: relative; }
.brand-track { display: grid; grid-auto-flow: column; grid-auto-columns: 100%; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; }
.brand-track::-webkit-scrollbar { display: none; }
.brand-slide { scroll-snap-align: start; display: grid; grid-template-columns: 1fr 1fr; min-height: 460px; }
.brand-slide__media { display: grid; grid-template-columns: 1fr 1fr; }
.brand-slide__media img { width: 100%; height: 100%; object-fit: cover; }
.brand-slide__text { background: var(--box); padding: clamp(36px, 5vw, 80px); display: flex; flex-direction: column; justify-content: center; }
.brand-slide__text h3 { font-size: clamp(26px, 2.4vw, 36px); margin-bottom: 20px; }
.brand-slide__text p { max-width: 520px; }
.brand-slide__text .link-arrow { align-self: flex-start; margin-top: 10px; }

/* ---------- Danh sách đánh số (như "Trending Topics") ---------- */
.numbered { display: grid; grid-template-columns: 1fr; gap: 0; }
.numbered__head { margin-bottom: 24px; }
.numbered__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.numbered__list li { display: flex; flex-direction: column; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line); }
.numbered__n { font-family: var(--serif); font-size: 64px; line-height: 1; color: var(--ink); }
.numbered__list .eyebrow { margin: 0; }
.numbered__list h3 { font-size: 21px; line-height: 1.4; }
.pains-close { max-width: 820px; margin: 56px auto 0; text-align: center; }
.pains-close p { font-family: var(--serif); font-size: clamp(20px, 1.8vw, 26px); line-height: 1.5; letter-spacing: 0; margin-bottom: 28px; }

/* ---------- Quy trình ---------- */
.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 34px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.process li { counter-increment: step; padding-top: 22px; border-top: 1px solid var(--ink); }
.process li::before { content: "0" counter(step); display: block; font-family: var(--serif); font-size: 44px; line-height: 1; margin-bottom: 18px; letter-spacing: 0; }
.process h3 { font-size: 21px; margin-bottom: 10px; }
.process p { font-size: 14px; color: var(--gray); margin: 0; }

/* ---------- Giao dịch ---------- */
.case__media { aspect-ratio: 1 / 1; overflow: hidden; }
.case__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.case:hover .case__media img { transform: scale(1.04); }
.case__body { padding: 18px 8px 0; }
.case__body .eyebrow { margin: 0 0 6px; }
.case__body h3 { font-family: var(--sans); font-size: 16px; font-weight: 400; letter-spacing: .06em; margin-bottom: 6px; }
.case__detail { font-size: 18px; letter-spacing: .06em; }
.case__note { font-size: 13.5px; color: var(--gray); margin-top: 8px; }
.disclaimer { font-size: 12px; color: var(--gray); margin-top: 30px; max-width: 820px; }

/* ---------- Hỏi đáp ---------- */
.faq { max-width: 960px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 1fr 24px; gap: 16px; align-items: center; padding: 24px 0; font-family: var(--serif); font-size: 20px; letter-spacing: 0; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .n { display: none; }
.faq summary .plus { width: 16px; height: 16px; position: relative; justify-self: end; }
.faq summary .plus::before, .faq summary .plus::after { content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: currentColor; transition: transform .3s; }
.faq summary .plus::after { transform: rotate(90deg); }
.faq details[open] summary .plus::after { transform: rotate(0); }
.faq .faq__a { padding: 0 40px 26px 0; color: #454c51; }

/* ---------- Lời khách ---------- */
.quotes { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 100px); }
.quote { margin: 0; }
.quote blockquote { margin: 0; font-family: var(--serif); font-size: clamp(20px, 1.8vw, 26px); line-height: 1.55; letter-spacing: 0; }
.quote cite { display: block; margin-top: 18px; font-style: normal; font-size: 12px; letter-spacing: .2em; text-transform: uppercase; color: var(--gray); }

/* ---------- Lời mời cuối ---------- */
.cta-final { padding: clamp(64px, 7vw, 110px) 0; text-align: center; background: #fff; }
.cta-final .wrap { background: var(--box); padding-top: clamp(48px, 6vw, 90px); padding-bottom: clamp(48px, 6vw, 90px); max-width: calc(var(--wrap) - 2 * var(--gutter)); }
.cta-final .eyebrow { justify-content: center; }
.cta-final h2 { max-width: 860px; margin: 0 auto 20px; }
.cta-final p { max-width: 640px; margin: 0 auto 34px; }
.cta-final__actions { display: flex; gap: 26px; justify-content: center; align-items: center; flex-wrap: wrap; }
.cta-final .link-arrow--gold { color: var(--ink); }
.cta-final p.cta-final__trust { margin: 26px auto 0; font-size: 13px; color: var(--gray); }

/* ---------- Newsletter + footer như web mẫu ---------- */
.newsletter { background: #fff; padding: 70px 0; text-align: center; border-top: 1px solid var(--line); }
.newsletter .eyebrow { display: none; }
.newsletter h3 { font-size: clamp(22px, 2vw, 30px); margin-bottom: 12px; }
.newsletter .lead-sm { max-width: 620px; margin: 0 auto 26px; color: var(--gray); }
.inline-form { display: flex; max-width: 620px; margin: 0 auto; flex-wrap: wrap; gap: 12px; justify-content: center; }
.inline-form input { flex: 1 1 280px; height: 50px; border: 1px solid #c9cdd0; padding: 0 16px; outline: none; font-weight: 300; }
.inline-form input:focus { border-color: var(--ink); }
.form-note { font-size: 12px; color: var(--gray); margin-top: 14px; }
.form-msg { font-size: 14px; margin: 18px auto 0; display: none; padding: 18px 20px; border-left: 2px solid var(--gold); background: var(--box); text-align: left; max-width: 640px; color: var(--ink); }
.form-msg.is-show { display: block; }
.send-row { display: flex; flex-wrap: wrap; gap: 10px; }
.send-row .btn { height: 44px; padding: 0 18px; font-size: 13px; }

.site-footer { background: var(--footer); color: #fff; padding: 70px 0 40px; font-size: 14px; }
.footer-top { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding-bottom: 50px; }
.site-footer .logo { align-items: flex-start; color: #fff; }
.site-footer .logo__text { align-items: center; }
.site-footer .logo__name { font-size: 46px; }
.site-footer .logo__sub { font-size: 13px; }
.footer-lead { font-size: 16px; letter-spacing: .06em; margin: 22px 0 22px; max-width: 520px; }
.footer-slogan { color: var(--gold); font-size: 17px; font-weight: 500; letter-spacing: .18em; text-transform: uppercase; line-height: 1.6; margin: 0 0 24px; max-width: 540px; }
.footer-hotline { font-family: var(--serif); font-size: 26px; letter-spacing: .02em; }
.socials { display: flex; gap: 14px; }
.socials a { width: 38px; height: 38px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; display: grid; place-items: center; transition: background .3s, color .3s; }
.socials a:hover { background: #fff; color: var(--ink); }
.socials svg { width: 16px; height: 16px; fill: currentColor; }
.footer-image { aspect-ratio: 16 / 9.3; overflow: hidden; }
.footer-image img { width: 100%; height: 100%; object-fit: cover; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px 28px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.3); border-bottom: 1px solid rgba(255,255,255,.3); font-size: 15px; }
.footer-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
.footer-legal { text-align: center; padding-top: 34px; font-size: 13px; color: rgba(255,255,255,.85); display: grid; gap: 14px; }
.footer-legal p { margin: 0; }
.footer-word, .site-footer h4, .site-footer ul { display: none; }

/* ---------- Liên hệ nổi (tiết chế) ---------- */
.dock { position: fixed; right: 22px; bottom: 22px; z-index: 45; display: flex; flex-direction: column; gap: 10px; opacity: 0; transform: translateY(12px); transition: opacity .4s, transform .4s; pointer-events: none; }
.dock.is-on { opacity: 1; transform: none; pointer-events: auto; }
.dock a { position: relative; width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 8px 22px rgba(0,0,0,.2); }
.dock__zalo { background: #fff; color: var(--ink); border: 1px solid var(--line); font-size: 11.5px; font-weight: 600; letter-spacing: .02em; }
.dock__call { background: var(--gold); color: var(--ink); }
.dock svg { width: 20px; height: 20px; }
.dock__tip { position: absolute; right: 64px; top: 50%; transform: translateY(-50%); white-space: nowrap; background: var(--ink); color: #fff; font-size: 12px; padding: 7px 12px; opacity: 0; pointer-events: none; transition: opacity .2s; }
.dock a:hover .dock__tip { opacity: 1; }
.mobile-bar, .mobile-cta { display: none; }

/* ---------- Trang con ---------- */
.page-hero { position: relative; height: min(62vh, 560px); min-height: 400px; overflow: hidden; color: #fff; display: flex; align-items: flex-end; background: #222; }
.page-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.page-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.5)); }
.page-hero .wrap { position: relative; z-index: 1; padding-bottom: 60px; width: 100%; }
.page-hero .eyebrow { color: #fff; }
.page-hero h1 { max-width: 900px; }
.page-hero p { max-width: 640px; font-size: 16px; margin: 16px 0 26px; }
.crumbs { font-size: 13px; color: var(--gray); padding: 22px 0; display: flex; gap: 8px; flex-wrap: wrap; }
.crumbs a:hover { color: var(--ink); }
.crumbs span::before { content: "/"; margin-right: 8px; color: #c0c5c8; }
.list-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; padding-bottom: 26px; flex-wrap: wrap; }
.count { font-size: 16px; color: var(--gray); letter-spacing: .06em; }
.filterbar { position: sticky; top: var(--header-h); z-index: 20; background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: top .4s var(--ease); }
.filterbar .wrap { display: flex; align-items: center; gap: 10px; min-height: 68px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
.seg { display: inline-flex; border: 1px solid var(--ink); }
.seg button { height: 40px; padding: 0 18px; font-size: 13px; letter-spacing: .08em; }
.seg button.is-on { background: var(--ink); color: #fff; }
.select { height: 42px; border: 1px solid #c9cdd0; padding: 0 38px 0 14px; font-size: 14px; background: #fff; appearance: none; -webkit-appearance: none; cursor: pointer; font-weight: 300;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23171A1C' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.select:hover { border-color: var(--ink); }
.filterbar__spacer { flex: 1; }
.results { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.results__list { padding: 30px var(--gutter) 60px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 28px; align-content: start; }
.results__map { position: sticky; top: calc(var(--header-h) + 68px); height: calc(100vh - var(--header-h) - 68px); background: var(--box); }
#map, .map-box { width: 100%; height: 100%; }
.results.is-list .results__map { display: none; }
.results.is-list { grid-template-columns: 1fr; }
.results.is-list .results__list { grid-template-columns: repeat(3, minmax(0, 1fr)); max-width: var(--wrap); margin: 0 auto; width: 100%; }
.empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--gray); }
.leaflet-container { font-family: var(--sans) !important; }
.leaflet-tile-pane { filter: grayscale(1) contrast(.95) brightness(1.03); }
.leaflet-marker-icon:hover { z-index: 1000 !important; }
.map-pin { background: var(--ink); color: #fff; font-size: 12px; font-weight: 500; padding: 6px 10px; white-space: nowrap; transform: translate(-50%, -100%); position: relative; display: inline-block; box-shadow: 0 4px 12px rgba(0,0,0,.25); }
.map-pin::after { content: ""; position: absolute; left: 50%; bottom: -5px; margin-left: -5px; border: 5px solid transparent; border-bottom: 0; border-top-color: var(--ink); }
.map-pin.is-hot { background: var(--gold); color: var(--ink); }
.map-pin.is-hot::after { border-top-color: var(--gold); }
.map-note { position: absolute; z-index: 500; left: 12px; bottom: 12px; background: rgba(255,255,255,.95); font-size: 11px; padding: 6px 10px; color: var(--gray); }

.gallery { display: grid; grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; gap: 8px; height: min(70vh, 640px); }
.gallery button { overflow: hidden; position: relative; }
.gallery button img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.gallery button:hover img { transform: scale(1.03); }
.gallery button:first-child { grid-row: 1 / 3; }
.gallery__count { position: absolute; right: 16px; bottom: 16px; background: rgba(255,255,255,.95); color: var(--ink); font-size: 13px; padding: 8px 14px; letter-spacing: .06em; }
.detail { display: grid; grid-template-columns: minmax(0, 1fr) 390px; gap: 64px; padding: 48px 0 20px; }
.detail__title h1 { font-size: clamp(30px, 3vw, 44px); }
.detail__price { font-size: 24px; letter-spacing: .08em; margin-top: 14px; }
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin: 34px 0; }
.metrics div { padding: 22px 16px 22px 0; }
.metrics div + div { padding-left: 20px; border-left: 1px solid var(--line); }
.metrics b { display: block; font-family: var(--serif); font-weight: 400; font-size: 20px; line-height: 1.35; letter-spacing: 0; }
.metrics span { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--gray); }
.block { padding: 34px 0; border-bottom: 1px solid var(--line); }
.block > .eyebrow { color: var(--ink); margin-bottom: 20px; }
.tabs { display: flex; border: 1px solid var(--ink); width: max-content; margin-bottom: 20px; }
.tabs button { height: 40px; padding: 0 22px; font-size: 13px; letter-spacing: .08em; }
.tabs button.is-on { background: var(--ink); color: #fff; }
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 30px; list-style: none; padding: 0; margin: 0; }
.features li { padding-left: 20px; position: relative; font-size: 14.5px; }
.features li::before { content: ""; position: absolute; left: 0; top: 11px; width: 8px; height: 1px; background: var(--gold-deep); }
.clamp { max-height: 150px; overflow: hidden; position: relative; transition: max-height .6s var(--ease); }
.clamp::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 60px; background: linear-gradient(transparent, #fff); }
.clamp.is-open { max-height: 900px; }
.clamp.is-open::after { display: none; }
.readmore { margin-top: 14px; font-size: 13px; letter-spacing: .1em; text-transform: uppercase; border-bottom: 1px solid; }
.detail-map { height: 380px; position: relative; }
.agent-card { position: sticky; top: 120px; border: 1px solid var(--line); padding: 30px; background: #fff; }
.agent { display: flex; gap: 16px; align-items: center; margin-bottom: 22px; }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: var(--box); color: var(--ink); flex: none; display: grid; place-items: center; font-family: var(--serif); font-size: 24px; overflow: hidden; letter-spacing: 0; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.agent b { font-family: var(--serif); font-size: 21px; font-weight: 400; display: block; letter-spacing: 0; }
.agent small { font-size: 12px; color: var(--gray); display: block; line-height: 1.55; }
.agent-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 24px; }
.agent-actions .btn { height: 44px; padding: 0 10px; font-size: 13px; }
.form { display: grid; gap: 12px; }
.form h4 { font-family: var(--sans); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; margin: 8px 0 2px; font-weight: 500; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { width: 100%; height: 48px; border: 1px solid #c9cdd0; padding: 0 14px; background: #fff; outline: none; font-size: 14px; font-weight: 300; }
textarea.field { height: 100px; padding: 12px 14px; resize: vertical; }
.field:focus { border-color: var(--ink); }
.radio-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.radio-row label { border: 1px solid #c9cdd0; height: 46px; display: grid; place-items: center; font-size: 13.5px; cursor: pointer; text-align: center; padding: 0 6px; }
.radio-row input { position: absolute; opacity: 0; pointer-events: none; }
.radio-row label:has(input:checked) { border-color: var(--ink); background: var(--ink); color: #fff; }
.consent { font-size: 11.5px; color: var(--gray); line-height: 1.6; }
.form-card { background: #fff; padding: clamp(26px, 4vw, 48px); border: 1px solid var(--line); }
.area-guide { display: grid; grid-template-columns: 1fr 1fr; background: var(--box); margin-top: 34px; }
.area-guide img { width: 100%; height: 100%; object-fit: cover; min-height: 240px; }
.area-guide > div { padding: 40px; align-self: center; }
.area-guide .link-arrow { color: var(--ink); }
.lightbox { position: fixed; inset: 0; z-index: 9999; background: rgba(12,14,15,.96); display: none; align-items: center; justify-content: center; }
.lightbox.is-open { display: flex; }
.lightbox img { max-width: 88vw; max-height: 82vh; object-fit: contain; }
.lightbox__close, .lightbox__prev, .lightbox__next { position: absolute; color: #fff; width: 54px; height: 54px; display: grid; place-items: center; font-size: 28px; }
.lightbox__close { top: 18px; right: 18px; }
.lightbox__prev { left: 12px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 12px; top: 50%; transform: translateY(-50%); }
.lightbox__count { position: absolute; bottom: 24px; left: 0; right: 0; text-align: center; color: #aaa; font-size: 13px; }

.matters { display: grid; grid-template-columns: 120px 1fr 1.4fr; gap: 40px; align-items: start; padding: 40px 0; border-top: 1px solid var(--line); }
.matters__n { font-family: var(--serif); font-size: 48px; line-height: 1; letter-spacing: 0; }
.matters__t { font-size: 24px; }
.matters__d { color: #454c51; margin: 0; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { display: grid; grid-template-columns: 170px 1fr; gap: 26px; padding: 20px 0; border-top: 1px solid var(--line); }
.timeline time { font-family: var(--serif); font-size: 19px; letter-spacing: 0; }
.values { display: grid; grid-template-columns: repeat(5, 1fr); gap: 30px; }
.values div { border-top: 1px solid var(--ink); padding-top: 20px; }
.values h3 { font-size: 22px; margin-bottom: 10px; }
.values p { font-size: 14px; color: var(--gray); margin: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 100px); align-items: start; }
.lead { font-family: var(--serif); font-size: clamp(20px, 1.8vw, 26px); line-height: 1.55; letter-spacing: 0; }
.portrait { aspect-ratio: 4 / 5; background: var(--box-2); display: grid; place-items: center; text-align: center; }
.portrait__mono { font-family: var(--serif); font-size: 110px; line-height: 1; color: var(--ink); }
.portrait small { display: block; font-size: 11px; letter-spacing: .24em; text-transform: uppercase; color: var(--gray); margin-top: 14px; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0; border-top: 1px solid var(--line); text-align: right; }
.contact-list span { font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--gray); text-align: left; flex: none; }
.contact-list a { color: var(--ink) !important; }

/* ---------- Hiện dần nhẹ khi cuộn ---------- */
.reveal, .stagger > * { opacity: 0; transform: translateY(24px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in, .stagger.is-in > * { opacity: 1; transform: none; }
.stagger.is-in > *:nth-child(2) { transition-delay: .1s; } .stagger.is-in > *:nth-child(3) { transition-delay: .2s; }
.stagger.is-in > *:nth-child(4) { transition-delay: .3s; } .stagger.is-in > *:nth-child(5) { transition-delay: .4s; }
.reveal-mask { position: relative; }

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .scroller--4 { grid-auto-columns: calc((100% - 96px) / 3); }
  .results { grid-template-columns: 1fr; }
  .results__map { position: relative; top: 0; height: 420px; order: -1; }
  .results.is-list .results__list, .results__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .detail { grid-template-columns: minmax(0, 1fr) 330px; gap: 40px; }
  .values { grid-template-columns: repeat(3, 1fr); }
  .process { grid-template-columns: repeat(3, 1fr); }
  .numbered__list { grid-template-columns: repeat(2, 1fr); }
  .nav__link { padding: 0 11px; font-size: 15px; }
}
@media (max-width: 1024px) {
  :root { --header-h: 72px; }
  .nav { position: fixed; inset: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 96px 24px 30px; gap: 0; transform: translateX(100%); transition: transform .45s var(--ease); overflow-y: auto; }
  .menu-open .nav { transform: none; }
  .nav__link { height: 56px; padding: 0; border-bottom: 1px solid var(--line); width: 100%; font-size: 17px; }
  .nav__link::after { display: none; }
  .nav__cta { display: none; }
  .nav__call { display: flex; margin-top: 20px; }
  .mega { position: static; box-shadow: none; border: 0; display: none; opacity: 1; visibility: visible; }
  .nav__item.is-open .mega { display: block; }
  .mega .wrap { grid-template-columns: 1fr 1fr; padding: 16px 0 22px; gap: 22px; }
  .mega__feature { display: none; }
  .burger { display: block; }
  .utility nav { display: none; }
  .logo__name { font-size: 25px; }
  .logo__sub { font-size: 8px; }
  .chain, .chain--reverse { display: block; }
  .chain__media { width: 100%; }
  .chain__box, .chain--reverse .chain__box { padding: 40px 28px; min-height: 0; }
  .scroller--4, .scroller--3 { grid-auto-columns: 78%; gap: 24px; }
  .brand-slide { grid-template-columns: 1fr; }
  .brand-slide__media { height: 300px; }
  .quotes { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .matters { grid-template-columns: 1fr; gap: 10px; }
  .two-col { grid-template-columns: 1fr; }
  .area-guide { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: 1fr; grid-template-rows: 1fr; height: 56vh; }
  .gallery button:not(:first-child) { display: none; }
  .gallery button:first-child { grid-row: auto; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metrics div:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
  .metrics div:nth-child(4) { border-top: 1px solid var(--line); }
  .detail { grid-template-columns: 1fr; }
  .agent-card { position: static; }
  .filterbar { top: 0; }
  .dock { display: none; }
  .mobile-bar { display: grid; grid-template-columns: 1fr 1fr 1.3fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45; background: #fff; border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
  .mobile-bar a { height: 58px; display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; letter-spacing: .06em; }
  .mobile-bar a + a { border-left: 1px solid var(--line); }
  .mobile-bar a:last-child { background: var(--gold); }
  .mobile-bar svg { width: 16px; height: 16px; }
  .site-footer { padding-bottom: 100px; }
}
@media (max-width: 640px) {
  body { font-size: 14.5px; letter-spacing: .03em; }
  .hero { height: 70vh; min-height: 460px; }
  .hero__caption { display: none; }
  .hero h1 { font-size: 30px; }
  .results.is-list .results__list, .results__list { grid-template-columns: 1fr; }
  .features, .values, .process, .numbered__list { grid-template-columns: 1fr; }
  .timeline li { grid-template-columns: 1fr; gap: 4px; }
  .form .two { grid-template-columns: 1fr; }
  .row-head__nav { display: none; }
  .brand-slide__media { grid-template-columns: 1fr; }
  .brand-slide__media img + img { display: none; }
  .site-footer .logo__name { font-size: 34px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .stagger > * { opacity: 1; transform: none; }
}
.row-head__lead { flex: 0 0 100%; max-width: 100%; }
.row-head__lead { padding-right: 40%; }
@media (max-width: 1024px) { .row-head__lead { padding-right: 0; } }
.case__detail { font-size: 16px; line-height: 1.5; }
.case__body h3 { font-size: 14px; color: var(--gray); margin-top: 6px; }

/* =========================================================
   QA đa thiết bị (iPhone · Android · iPad) — 30/09/2026
   ========================================================= */
/* Vùng bấm tối thiểu ~44px cho ngón tay */
.link-plain, .link-arrow { display: inline-flex; align-items: center; min-height: 44px; }
.link-arrow { padding-bottom: 0; border-bottom: 0; text-decoration: underline; text-underline-offset: 5px; }
.utility a { display: inline-flex; align-items: center; min-height: 34px; }
.hero__caption { min-height: 44px; }
.round-btn { width: 44px; height: 44px; }
.hero__controls button { width: 44px; height: 44px; }
.crumbs a { display: inline-flex; align-items: center; min-height: 32px; }
.footer-links a { display: inline-flex; align-items: center; min-height: 40px; }
.socials a { width: 44px; height: 44px; }
.faq summary { min-height: 56px; }
/* Logo: chữ phụ không nhỏ hơn 10px */
.logo__sub { font-size: 10.5px; letter-spacing: .1em; }
@media (max-width: 1024px) {
  /* iOS Safari tự phóng to khi chữ trong ô nhập < 16px */
  input, select, textarea, .field, .select, .search input, .inline-form input { font-size: 16px !important; }
  .logo__sub { font-size: 10px; letter-spacing: .08em; }
  .utility a { min-height: 34px; }
}
/* Tránh chữ tràn: từ dài, tiêu đề */
h1, h2, h3, .card__meta, .case__body h3, .contact-list li { overflow-wrap: anywhere; }
/* Ảnh luôn co theo khung */
img { height: auto; }
.hero__slide img, .card__media img, .case__media img, .chain__media img, .brand-slide__media img, .gallery button img, .page-hero img, .footer-image img, .area-guide img, .mega__feature img { height: 100%; }
/* Khoảng an toàn tai thỏ / thanh home của iPhone */
@supports (padding: max(0px)) {
  .mobile-bar { padding-bottom: max(env(safe-area-inset-bottom), 0px); }
  .wrap { padding-left: max(var(--gutter), env(safe-area-inset-left)); padding-right: max(var(--gutter), env(safe-area-inset-right)); }
}
.readmore, #fReset { display: inline-flex; align-items: center; min-height: 44px; }
.contact-list a { display: inline-flex; align-items: center; min-height: 40px; }
.contact-list li { align-items: center; padding: 8px 0; }
.leaflet-touch .leaflet-bar a, .leaflet-bar a { width: 40px !important; height: 40px !important; line-height: 40px !important; }
.footer-links { gap: 4px 26px; }
/* Ngắt dòng tiêu đề cân đối (tránh chữ rơi lẻ) */
h1, h2, h3, .pains-close p, .quote blockquote { text-wrap: balance; }
p { text-wrap: pretty; }
/* Máy tính bảng dọc: 2 thẻ mỗi lượt cuộn */
@media (min-width: 641px) and (max-width: 1024px) {
  .scroller--4, .scroller--3 { grid-auto-columns: calc((100% - 24px) / 2.2); }
}
/* Điện thoại / máy tính bảng: ảnh luôn nằm trên chữ trong khối giới thiệu */
@media (max-width: 1024px) {
  .chain, .chain--reverse { display: flex; flex-direction: column; }
  .chain__media { order: -1; width: 100%; aspect-ratio: 16 / 10; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: 28px; line-height: 1.3; margin-bottom: 18px; }
  .hero__content { top: 52%; }
  .chain__box, .chain--reverse .chain__box { padding: 32px 22px; }
  .section { padding: 56px 0; }
}
@media (max-width: 1024px) { .chain, .chain--reverse { align-items: stretch; } .chain__box > * { max-width: 680px; } }
@media (max-width: 1024px) { body.menu-open { overflow: hidden; } .site-header .logo { position: relative; z-index: 61; } }

/* =========================================================
   KHỚP SỐ ĐO WEB MẪU (đo trực tiếp christiesrealestate.com ở 1920px & 1440px)
   ========================================================= */
:root { --gutter: clamp(18px, 5vw, 72px); --header-h: 96px; }
/* Khung nội dung: rộng 1440px, lề 5vw (72px ở 1440, 240px ở 1920) */
.wrap { max-width: none; padding-left: max(var(--gutter), calc((100% - 1440px) / 2)); padding-right: max(var(--gutter), calc((100% - 1440px) / 2)); }
/* Chữ nội dung: 16px, giãn 0.1em, dòng 24px */
body { font-size: 16px; line-height: 1.5; letter-spacing: .1em; }
p { line-height: 1.5; }
h2 { font-size: clamp(28px, 2.64vw, 38px); line-height: 1.3; }
h1 { line-height: 1.3; }

@media (min-width: 1025px) {
  /* Thanh trên 34px, header 96px, tràn hết chiều ngang: lề trái 88px, phải 72px */
  .utility .wrap, .site-header .wrap { max-width: none; padding-left: 88px; padding-right: 72px; }
  .utility .wrap { height: 34px; }
  .utility { font-size: 14px; letter-spacing: .1em; }
  .utility nav { gap: 15px; }
  /* Menu: 16px, đậm 500, giãn 0.1em, mỗi mục cách 12px */
  .nav { gap: 12px; }
  .nav__link { padding: 0 12px; font-size: 16px; font-weight: 500; letter-spacing: .1em; }
  .nav__link::after { left: 12px; right: 12px; bottom: 27px; }
  .nav__cta { margin-left: 10px; height: 48px; padding: 0 22px; font-size: 16px; font-weight: 500; letter-spacing: .1em; }
  /* Hero: cao 500px (600px từ màn 1600), tiêu đề 46px, cụm chữ neo cách đáy 126px */
  .hero { height: 500px; min-height: 0; }
  .hero__content { top: auto; bottom: 126px; transform: none; }
  .hero h1 { font-size: 46px; line-height: 1.3; margin: 0 0 24px; }
  .search { max-width: 864px; height: 50px; }
  .search input { font-size: 16px; padding: 0 13px; }
  /* Hộp xám + ảnh chồng: hộp 60%, ảnh 44% (chồng 4%), ảnh căn giữa dọc */
  .chain { grid-template-columns: 60% 40%; }
  .chain__box { min-height: calc(min(100vw - 2 * var(--gutter), 1440px) * .275 + 2 * clamp(40px, 3.34vw, 64px)); padding-top: 60px; padding-bottom: 60px; padding-left: clamp(40px, calc(12.5vw - 120px), 120px); padding-right: 60px; }
  .chain--reverse .chain__box { padding-left: clamp(60px, calc(12.5vw - 120px + 4%), 160px); padding-right: 40px; }
  .chain__box > * { max-width: 606px; }
  .chain__box h2 { margin-bottom: 36px; }
  .chain__media { width: 44%; aspect-ratio: 1.6; }
}
@media (min-width: 1600px) { .hero { height: 600px; } }
/* Nhịp khoảng cách giữa các khối như web mẫu (≈120px ở 1920) */
.section { padding: clamp(56px, 6.25vw, 120px) 0; }
@media (min-width: 1025px) {
  .chain--reverse { grid-template-columns: 40% 60%; }
  .chain--reverse .chain__box { padding-left: calc(clamp(40px, calc(12.5vw - 120px), 120px) + 4.2vw * .75); padding-right: 60px; }
}
/* Logo đậm, rõ như chữ logo web mẫu; thanh trên chỉ còn link bên phải */
.logo__name { font-weight: 500; color: var(--ink); -webkit-font-smoothing: antialiased; }
.logo__sub { font-weight: 600; color: var(--ink); font-size: 11px; letter-spacing: .12em; margin-top: 5px; }
.site-footer .logo__name, .site-footer .logo__sub { color: #fff; }
.utility .wrap { justify-content: flex-end; }
@media (max-width: 1024px) { .logo__sub { font-size: 10px; letter-spacing: .1em; } .utility { display: none; } }
.logo__name { font-weight: 600; letter-spacing: .01em; }
.logo__sub { font-family: var(--sans); font-weight: 500; font-size: 11px; letter-spacing: .06em; margin-top: 6px; } @media (max-width: 1024px) { .logo__sub { font-size: 10px; } }
.utility { color: var(--ink); } .utility a { font-weight: 500; font-size: 14px; letter-spacing: .08em; }

/* =========================================================
   Chi tiết khớp web mẫu: nút vàng nhỏ, số vàng, ô đăng ký
   ========================================================= */
.btn--sm { height: 42px; padding: 0 22px; font-size: 14px; font-weight: 500; letter-spacing: .08em; align-self: flex-start; margin-top: 8px; }
.brand-slide__text .btn { align-self: flex-start; }
/* "Trending Topics": số lớn màu vàng bên trái, chữ bên phải */
.numbered__list { grid-template-columns: repeat(4, 1fr); gap: 40px 48px; }
.numbered__list li { display: grid; grid-template-columns: auto 1fr; column-gap: 22px; row-gap: 6px; align-content: start; border-top: 0; padding-top: 0; }
.numbered__n { grid-row: 1 / span 3; color: var(--gold); font-size: 76px; line-height: .9; }
.numbered__list .eyebrow { font-size: 11px; color: var(--ink); margin: 6px 0 0; }
.numbered__list h3 { font-family: var(--sans); font-size: 15px; line-height: 1.55; letter-spacing: .06em; font-weight: 400; }
/* Ô đăng ký như web mẫu: căn trái, ô dài, nút vàng liền */
.newsletter { text-align: left; border-top: 0; padding: clamp(48px, 5vw, 80px) 0 clamp(56px, 6vw, 90px); }
.newsletter h3 { font-size: clamp(24px, 2.2vw, 32px); margin-bottom: 22px; }
.newsletter .lead-sm { display: none; }
.inline-form { max-width: none; margin: 0; flex-wrap: nowrap; gap: 0; justify-content: flex-start; }
.inline-form input { flex: 1 1 auto; height: 44px; border: 1px solid #c9cdd0; border-right: 0; }
.inline-form .btn { height: 44px; padding: 0 28px; font-size: 14px; font-weight: 500; }
.newsletter .form-msg { margin-left: 0; }
@media (max-width: 1200px) { .numbered__list { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) {
  .numbered__list { grid-template-columns: 1fr; gap: 30px; }
  .numbered__n { font-size: 60px; }
  .inline-form { flex-wrap: wrap; gap: 10px; }
  .inline-form input { border-right: 1px solid #c9cdd0; flex-basis: 100%; }
  .inline-form .btn { width: 100%; }
}
.hero__slide video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__slide.is-active video { animation: none; }
/* Ảnh hero sáng: lớp phủ nhẹ, chỉ đậm dần ở đáy để chữ trắng vẫn rõ */
.hero::after { background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,.08) 45%, rgba(0,0,0,.38) 100%); }
.hero h1 { text-shadow: 0 2px 22px rgba(0,0,0,.45), 0 1px 3px rgba(0,0,0,.35); }
.hero__caption, .hero__controls { text-shadow: 0 1px 6px rgba(0,0,0,.5); }

/* =========================================================
   BỐ CỤC ĐIỆN THOẠI & MÁY TÍNH BẢNG — liền mạch, mục chính rõ ràng
   ========================================================= */
.sec-label, .quick { display: none; }
@media (max-width: 1024px) {
  main { display: flex; flex-direction: column; }
  main > .hero { order: 0; }
  main > [data-m="1"] { order: 1; } main > [data-m="2"] { order: 2; } main > [data-m="3"] { order: 3; }
  main > [data-m="4"] { order: 4; } main > [data-m="5"] { order: 5; } main > [data-m="6"] { order: 6; } main > [data-m="7"] { order: 7; }

  /* Nhãn mục: vạch vàng + chữ in hoa để nhận ra mục chính */
  .sec-label { display: flex; align-items: center; gap: 10px; margin: 0 0 8px; font-size: 11.5px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--gold-deep); }
  .sec-label::before { content: ""; width: 24px; height: 2px; background: var(--gold); }

  /* Khoảng cách chặt lại, các mục nối liền nhau */
  .section { padding: 36px 0 !important; }
  .m-main { border-top: 1px solid var(--line); }
  main > [data-m="2"] { border-top: 0; }
  .row-head { margin-bottom: 18px; align-items: flex-end; flex-wrap: nowrap; gap: 12px; }
  .row-head h2, .numbered__head h2 { font-size: 26px; line-height: 1.25; }
  .row-head__side { gap: 10px; flex: none; }
  .row-head__side .link-plain { font-size: 13px; font-weight: 500; text-decoration: underline; text-underline-offset: 4px; }
  #giao-dich .row-head { flex-wrap: wrap; }
  .row-head__lead { font-size: 14px; margin-top: 6px; padding-right: 0; }
  .numbered__head { margin-bottom: 18px; }

  /* Lối tắt 2x2 ngay dưới ảnh đầu trang */
  .quick { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 14px var(--gutter) 10px; background: #fff; }
  .quick a { position: relative; display: flex; flex-direction: column; gap: 2px; padding: 12px 14px; border: 1px solid var(--line); background: var(--box); min-height: 68px; justify-content: center; }
  .quick b { font-family: var(--serif); font-weight: 500; font-size: 18px; letter-spacing: 0; color: var(--ink); }
  .quick span { font-size: 12px; letter-spacing: .02em; color: var(--gray); line-height: 1.35; padding-right: 14px; }
  .quick a::after { content: "\2192"; position: absolute; right: 12px; top: 12px; color: var(--gold-deep); font-size: 15px; }
  .quick--gold { background: var(--gold) !important; border-color: var(--gold) !important; }
  .quick--gold span, .quick--gold::after { color: var(--ink) !important; }

  /* Thẻ dự án / giao dịch: thẻ to, thấy mép thẻ kế bên để vuốt */
  .scroller--4, .scroller--3 { grid-auto-columns: 72%; gap: 14px; }
  .card__body, .case__body { padding: 12px 2px 0; }
  .card__price, .case__detail { font-size: 16px; font-weight: 500; }
  .card__meta { font-size: 13px; }
  .disclaimer { font-size: 11px; margin-top: 14px; }

  /* Khối dịch vụ gọn, ảnh thấp */
  .brand-slide__media { height: 190px; }
  .brand-slide__text { padding: 22px 20px 24px; }
  .brand-slide__text h3 { font-size: 22px; margin-bottom: 10px; }
  .brand-slide__text p { font-size: 14px; margin-bottom: 8px; }

  /* 2 khối giới thiệu: liền nhau, ảnh thấp, bỏ khoảng trắng */
  .m-about { padding: 0 !important; border-top: 1px solid var(--line); }
  .m-about .wrap { padding-left: 0; padding-right: 0; }
  .m-about .chain__media { aspect-ratio: 16 / 8; }
  .m-about .chain__box { padding: 24px var(--gutter) 28px !important; }
  .m-about .chain__box h2 { font-size: 24px; margin-bottom: 12px; }
  .m-about .chain__box p { font-size: 14.5px; }
  .m-about--2 .chain__box { background: #fff; }

  /* "Những điều khó nói" gọn */
  .numbered__list { gap: 18px !important; }
  .numbered__n { font-size: 44px !important; }
  .numbered__list h3 { font-size: 14.5px !important; }
  .pains-close { margin-top: 24px; }
  .pains-close p { font-size: 18px; margin-bottom: 16px; }

  /* Ô đăng ký + chân trang gọn */
  .newsletter { padding: 30px 0 34px; border-top: 1px solid var(--line); }
  .newsletter h3 { font-size: 22px; margin-bottom: 14px; }
  .site-footer { padding-top: 40px; }
  .footer-top { gap: 26px; padding-bottom: 28px; }
  .footer-image { display: none; }
  .site-footer .logo__name { font-size: 30px; }
  .footer-lead { font-size: 14px; margin: 14px 0; }
  .footer-slogan { font-size: 13px; margin-bottom: 16px; }
  .footer-links { gap: 0 18px; padding: 10px 0; font-size: 14px; }
  .footer-legal { font-size: 11.5px; padding-top: 20px; }
}
@media (max-width: 640px) {
  .hero { height: 62vh; min-height: 420px; }
  .hero h1 { font-size: 26px; }
  .row-head__nav { display: none; }
}
@media (max-width: 1024px) {
  .hero::after { background: linear-gradient(180deg, rgba(0,0,0,.1) 0%, rgba(0,0,0,.28) 45%, rgba(0,0,0,.5) 100%); }
  .m-about[data-m="5"] { border-top: 1px solid var(--line); }
}

/* =========================================================
   ĐIỆN THOẠI: KHÔNG CÒN VUỐT NGANG — mọi thứ xếp dọc gọn gàng
   ========================================================= */
html, body { max-width: 100%; overflow-x: hidden; }
@supports (overflow: clip) { html, body { overflow-x: clip; } }
.two-col > *, .chain > *, .detail > *, .footer-top > *, .results > * { min-width: 0; }

@media (max-width: 640px) {
  /* Dự án: lưới 2 cột, thấy trọn cả 4 dự án */
  .scroller { overflow: visible; scroll-snap-type: none; }
  #featured { grid-auto-flow: row; grid-template-columns: 1fr 1fr; grid-auto-columns: auto; gap: 18px 12px; }
  #featured .card__price { font-size: 14.5px; line-height: 1.35; }
  #featured .card__meta { font-size: 12px; line-height: 1.45; letter-spacing: .02em; }
  #featured .card__body { padding: 10px 0 0; }

  /* Giao dịch: thẻ ngang gọn (ảnh trái, chữ phải), xếp dọc */
  #cases { grid-auto-flow: row; grid-template-columns: 1fr; grid-auto-columns: auto; gap: 14px; }
  #cases .case { display: grid; grid-template-columns: 112px 1fr; gap: 14px; align-items: start; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
  #cases .case:last-child { border-bottom: 0; }
  #cases .case__media { aspect-ratio: 1 / 1; }
  #cases .case__body { padding: 0; }
  #cases .case__detail { font-size: 14.5px; line-height: 1.4; }
  #cases .case__body h3 { font-size: 12.5px; margin-top: 4px; }
  #cases .case__note { font-size: 12.5px; margin-top: 4px; line-height: 1.45; }

  /* Dịch vụ: 3 thẻ xếp dọc, ảnh thấp, không vuốt */
  .brand-track { grid-auto-flow: row; grid-auto-columns: auto; overflow: visible; scroll-snap-type: none; gap: 14px; }
  .brand-slide { min-height: 0; }
  .brand-slide__media { height: 150px; grid-template-columns: 1fr 1fr; }
  .brand-slide__media img + img { display: block; }
  .brand-slide__text { padding: 18px 18px 20px; }
  .brand-slide__text h3 { font-size: 20px; }

  /* Trang chi tiết: dự án khác xếp lưới 2 cột */
  .section .scroller--3 { grid-auto-flow: row; grid-template-columns: 1fr 1fr; grid-auto-columns: auto; gap: 18px 12px; }
  /* Trang Dự án: danh sách 1 cột */
  .results__list { grid-template-columns: 1fr 1fr !important; gap: 22px 12px; padding: 20px var(--gutter) 40px; }
  .results__list .card__price { font-size: 14.5px; }
  .results__list .card__meta { font-size: 12px; }
  /* Thanh lọc: cuộn trong khung, không đẩy trang */
  .filterbar .wrap { gap: 8px; }
  .filterbar .select { flex: 1 1 calc(50% - 8px); min-width: 0; font-size: 16px; }
  .contact-list li { flex-wrap: wrap; text-align: left; }
}
@media (max-width: 640px) { [data-pane="photos"].scroller { grid-auto-flow: row; grid-template-columns: repeat(3, 1fr); grid-auto-columns: auto; gap: 6px; } [data-pane="photos"] .card__media { aspect-ratio: 1 / 1; } }

/* ---------- Thị trường (blog WordPress: danh sách bài + trang bài) ---------- */
.blog-lead { max-width: 720px; margin: 14px 0 0; font-size: 16px; }
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(28px, 3vw, 48px) clamp(20px, 2.4vw, 36px); }
.post { display: block; }
.post__media { aspect-ratio: 3 / 2; overflow: hidden; background: var(--box); }
.post__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.post:hover .post__media img { transform: scale(1.04); }
.post__meta { font-size: 11px; font-weight: 500; letter-spacing: .2em; text-transform: uppercase; color: var(--gray); margin: 18px 0 8px; }
.post__title { font-family: var(--serif); font-size: clamp(20px, 1.6vw, 24px); line-height: 1.35; font-weight: 400; margin: 0; overflow-wrap: anywhere; text-wrap: balance; }
.post__excerpt { font-size: 14.5px; color: var(--gray); margin: 10px 0 14px; }
.posts-empty { border-top: 1px solid var(--ink); padding: clamp(36px, 5vw, 64px) 0 0; max-width: 760px; }
.posts-empty h2 { margin-bottom: 16px; }
.posts-empty p { color: var(--gray); font-size: 16px; margin: 0 0 26px; }
.posts-empty__actions { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
@media (max-width: 1024px) { .posts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .posts { grid-template-columns: 1fr; } }
.posts[hidden] { display: none; }
.topics { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 0 0 clamp(28px, 3vw, 44px); padding: 0; list-style: none; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.topics a { color: var(--gray); padding-bottom: 4px; border-bottom: 1px solid transparent; }
.topics a:hover, .topics .is-on a { color: var(--ink); border-bottom-color: var(--ink); }
.pager { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: clamp(40px, 5vw, 70px); }
.pager .page-numbers { min-width: 44px; height: 44px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); font-size: 14px; }
.pager .page-numbers.current, .pager a.page-numbers:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.article__head { max-width: 760px; margin: 0 auto; padding-bottom: clamp(24px, 3vw, 40px); }
.article__head .crumbs { padding-left: 0; padding-right: 0; }
.article__head h1 { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.25; }
.article__head .post__meta { margin-top: 0; }
.article__cover { max-width: 1100px; margin: 0 auto clamp(30px, 4vw, 56px); }
.article__cover img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
.article__body { max-width: 760px; margin: 0 auto; font-size: 17px; line-height: 1.85; font-weight: 400; letter-spacing: .01em; color: #2B3136; text-wrap: pretty; }
.article__body > * { margin: 0 0 1.3em; }
.article__body h2 { font-size: clamp(24px, 2.2vw, 32px); margin: 2em 0 .7em; text-wrap: balance; }
.article__body h3 { font-size: clamp(19px, 1.5vw, 22px); margin: 1.6em 0 .6em; text-wrap: balance; }
.article__body a { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--gold-deep); }
.article__body a:hover { color: var(--gold-deep); }
.article__body ul, .article__body ol { padding-left: 1.3em; }
.article__body li { margin-bottom: .5em; }
.article__body strong, .article__body b { font-weight: 600; }
.article__body blockquote { margin-left: 0; margin-right: 0; padding: 22px 26px; background: var(--box); border-left: 2px solid var(--gold); font-family: var(--serif); font-size: 19px; line-height: 1.65; letter-spacing: 0; }
.article__body blockquote > :last-child { margin-bottom: 0; }
.article__body img, .article__body video, .article__body iframe { max-width: 100%; }
.article__body img { height: auto; }
.article__body figure { margin-left: 0; margin-right: 0; }
.article__body figcaption { font-size: 13px; color: var(--gray); margin-top: 8px; text-align: center; }
.article__body iframe[src*="youtube"], .article__body iframe[src*="youtu.be"] { width: 100%; height: auto; aspect-ratio: 16 / 9; }
.article__body details { border-top: 1px solid var(--line); padding: 16px 0; margin: 0; }
.article__body details:last-of-type { border-bottom: 1px solid var(--line); margin-bottom: 1.3em; }
.article__body summary { cursor: pointer; font-weight: 500; color: var(--ink); }
.article__body details > :not(summary) { margin: 12px 0 0; }
.article__body table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
.article__body th, .article__body td { border-bottom: 1px solid var(--line); padding: 10px 12px; text-align: left; }
.article__foot { max-width: 760px; margin: clamp(30px, 4vw, 50px) auto 0; padding-top: 24px; border-top: 1px solid var(--ink); display: flex; gap: 20px 30px; flex-wrap: wrap; align-items: center; justify-content: space-between; }
.article__note { max-width: 760px; margin: 22px auto 0; font-size: 13px; color: var(--gray); }