/* ==========================================================
   Norton Park — landing page (v4)
   Phong cách tham khảo nortonpark.com.vn: nền kem, nâu ô liu ấm, serif mảnh, nút đồng bo tròn.
   Font: Noto Serif Display (tiêu đề) · League Spartan (nút, nhãn) · Montserrat (chữ thân)
   Chi tiết: 04-design/design-system.md
   ========================================================== */
:root {
  /* Nền */
  --color-cream: #F2EEE4;
  --color-paper: #FBFAF6;
  --color-sand: #DCD3C0;
  --color-sand-2: #E8E1D2;
  --color-olive: #5D614F;
  --color-olive-deep: #4A4D3E;
  --color-brown: #594A42;
  --color-ink: #2F2B26;
  --color-white: #FFFFFF;

  /* Đồng */
  --color-bronze: #A78061;
  --color-bronze-dark: #8C6A4F;
  --color-bronze-text: #7C5D44;   /* chữ đồng trên nền sáng — đạt AA */

  /* Chữ */
  --color-text: #5A5145;
  --color-heading: #3E362F;
  --color-muted: #6E6455;
  --color-on-dark: #F4F0E7;
  --color-on-dark-muted: #DCD3C0;
  --color-line: #DCD3C0;
  --color-line-dark: rgba(220,211,192,.28);
  --color-field: #EFEBE2;
  --color-error: #B3261E;

  /* Tương thích tên cũ */
  --color-primary: var(--color-olive-deep);
  --color-accent: var(--color-bronze);
  --color-gold: var(--color-bronze);
  --color-gold-light: var(--color-sand);
  --gradient-gold: linear-gradient(90deg, var(--color-bronze), var(--color-bronze));

  --font-display: "Noto Serif Display", Georgia, "Times New Roman", serif;
  --font-ui: "League Spartan", "Montserrat", system-ui, sans-serif;
  --font-body: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-heading: var(--font-display);

  --radius: 18px;
  --radius-sm: 12px;
  --container: 1200px;
  --gutter: 20px;
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (min-width: 768px) { :root { --gutter: 40px; } }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.8;
  color: var(--color-text); background: var(--color-cream);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
@media (min-width: 1024px) { body { font-size: 16.5px; } }
html.menu-open, html.menu-open body { overflow: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 300; line-height: 1.15; margin: 0 0 .5em; color: var(--color-heading); letter-spacing: -.01em; }
h2 { font-size: clamp(32px, 4.6vw, 56px); }
h3 { font-size: clamp(22px, 2.2vw, 28px); font-weight: 400; }
p { margin: 0 0 1em; }
em { font-family: var(--font-display); font-style: italic; }
figure { margin: 0; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 200; background: var(--color-white); padding: 8px 12px; }
.skip-link:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--color-bronze); outline-offset: 3px; }
.todo { background: #FFF3B0; color: #6B4E00; padding: 0 4px; border-radius: 2px; font-weight: 600; }

/* ---------- Nút (bo tròn kiểu viên thuốc) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-height: 52px; padding: 15px 32px; border: 1px solid transparent; border-radius: 999px;
  font-family: var(--font-ui); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; text-decoration: none; line-height: 1;
  transition: background-color .25s, color .25s, border-color .25s, transform .25s, box-shadow .25s;
}
.btn-lg { min-height: 58px; padding: 18px 36px; }
.btn-sm { min-height: 42px; padding: 11px 22px; font-size: 12px; }
.btn-block { width: 100%; }
.btn-primary { background: var(--color-bronze); color: var(--color-white); }
.btn-primary:hover { background: var(--color-bronze-dark); transform: translateY(-1px); box-shadow: 0 12px 26px -14px rgba(89,74,66,.8); }
.btn-outline-light, .btn-ghost { border-color: rgba(244,240,231,.75); color: var(--color-on-dark); background: transparent; }
.btn-outline-light:hover, .btn-ghost:hover { background: rgba(244,240,231,.12); border-color: var(--color-on-dark); }
.btn-outline-dark { border-color: var(--color-olive); color: var(--color-olive-deep); background: transparent; }
.btn-outline-dark:hover { background: var(--color-olive); color: var(--color-white); }
.btn[disabled] { opacity: .6; cursor: progress; transform: none; }
.ico-arrow { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; transition: transform .25s; }
.btn:hover .ico-arrow { transform: translateX(3px); }

.round-btn { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--color-line); background: var(--color-paper); color: var(--color-heading); display: grid; place-items: center; transition: background-color .2s, color .2s; }
.round-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.round-btn:hover { background: var(--color-bronze); color: var(--color-white); border-color: var(--color-bronze); }

/* ---------- Header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 60; height: var(--header-h); transition: background-color .35s, box-shadow .35s; }
.site-header::before { content: ""; position: absolute; inset: 0 0 -50px 0; z-index: -1; pointer-events: none; background: linear-gradient(180deg, rgba(30,27,23,.55), rgba(30,27,23,0)); transition: opacity .35s; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 100%; }
.brand { position: relative; display: block; width: 160px; }
.brand img { width: 100%; height: auto; transition: opacity .35s; }
.brand .logo-dark { position: absolute; inset: 0; opacity: 0; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-phone { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(244,240,231,.6); color: var(--color-on-dark); text-decoration: none; font-family: var(--font-ui); font-weight: 700; font-size: 13px; letter-spacing: .08em; transition: background-color .25s, color .25s, border-color .25s; }
.header-phone svg { width: 16px; height: 16px; fill: currentColor; flex: 0 0 auto; }
.header-phone span { display: none; }
.header-phone:hover { background: rgba(244,240,231,.14); }
.nav-toggle { width: 44px; height: 44px; background: none; border: 0; display: grid; place-content: center; gap: 6px; position: relative; z-index: 70; }
.nav-toggle span { display: block; width: 26px; height: 1.5px; background: var(--color-on-dark); transition: transform .3s, opacity .3s, background-color .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
@media (max-width: 479px) { .header-cta { display: none; } .brand { width: 140px; } }
@media (min-width: 1024px) {
  .brand { width: 190px; }
  .header-phone { width: auto; padding: 0 18px; height: 42px; border-radius: 999px; }
  .header-phone span { display: inline; }
}

/* Đã cuộn: nền kem, chữ tối */
.site-header.is-scrolled { background: rgba(242,238,228,.96); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--color-line), 0 12px 30px -24px rgba(47,43,38,.6); }
.site-header.is-scrolled::before { opacity: 0; }
.site-header.is-scrolled .logo-light { opacity: 0; }
.site-header.is-scrolled .logo-dark { opacity: 1; }
.site-header.is-scrolled .header-phone { color: var(--color-heading); border-color: var(--color-line); }
.site-header.is-scrolled .header-phone:hover { background: var(--color-sand-2); }
.site-header.is-scrolled .nav-toggle span { background: var(--color-heading); }
/* Khi mở menu: header luôn ở chế độ sáng chữ trên nền tối */
.site-header.is-open { background: transparent; box-shadow: none; }
.site-header.is-open::before { opacity: 0; }
.site-header.is-open .logo-light { opacity: 1; }
.site-header.is-open .logo-dark { opacity: 0; }
.site-header.is-open .nav-toggle span { background: var(--color-on-dark); }
.site-header.is-open .header-phone { color: var(--color-on-dark); border-color: rgba(244,240,231,.6); }

/* Menu toàn màn hình */
.main-nav {
  position: fixed; inset: 0; z-index: 55; background: var(--color-olive-deep); color: var(--color-on-dark);
  display: flex; align-items: center; padding: calc(var(--header-h) + 20px) 0 40px; overflow-y: auto;
  opacity: 0; visibility: hidden; transition: opacity .35s, visibility .35s;
}
.main-nav.is-open { opacity: 1; visibility: visible; }
.nav-inner { display: grid; gap: 40px; }
.main-nav ul { list-style: none; margin: 0; padding: 0; }
.main-nav li + li { border-top: 1px solid var(--color-line-dark); }
.main-nav ul a { display: block; padding: 12px 0; font-family: var(--font-display); font-weight: 300; font-size: clamp(26px, 4vw, 42px); line-height: 1.2; color: var(--color-on-dark); text-decoration: none; transition: color .2s, padding-left .3s var(--ease); }
.main-nav ul a:hover { color: var(--color-sand); padding-left: 10px; }
.nav-contact p { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--color-sand); margin-bottom: 6px; }
.nav-contact a { display: block; color: var(--color-on-dark); text-decoration: none; font-family: var(--font-display); font-size: 30px; font-weight: 300; }
.nav-contact .nav-zalo { margin-top: 10px; font-family: var(--font-ui); font-size: 13px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--color-sand); }
@media (min-width: 900px) { .nav-inner { grid-template-columns: 1.6fr 1fr; align-items: end; } }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; color: var(--color-on-dark); overflow: hidden; background: var(--color-ink); }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide { width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.06); transition: opacity 1.6s ease, transform 8s linear; }
.hero-slide:first-child { object-position: 70% center; }
.hero-slide.is-active { opacity: 1; transform: scale(1); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(0deg, rgba(34,30,26,.9) 0%, rgba(34,30,26,.5) 42%, rgba(34,30,26,.05) 75%); }
.hero-content { position: relative; z-index: 1; padding-top: calc(var(--header-h) + 40px); padding-bottom: 72px; }
.eyebrow { font-family: var(--font-ui); font-size: 12px; font-weight: 600; letter-spacing: .32em; text-transform: uppercase; color: var(--color-sand); margin-bottom: 18px; }
.hero h1 { color: var(--color-on-dark); font-size: clamp(44px, 7.6vw, 104px); font-weight: 300; line-height: 1.05; max-width: 15ch; margin-bottom: 22px; }
.hero-lead { max-width: 520px; font-size: 16px; color: var(--color-on-dark); margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-dots { position: absolute; z-index: 2; left: var(--gutter); bottom: 28px; display: flex; gap: 10px; }
.hero-dots button { width: 34px; height: 24px; padding: 0; border: 0; background: none; position: relative; }
.hero-dots button::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 2px; border-radius: 2px; background: rgba(255,255,255,.35); transition: background-color .3s; }
.hero-dots button[aria-current="true"]::before { background: var(--color-sand); }
@media (max-width: 599px) { .hero-actions .btn { width: 100%; } }
@media (min-width: 1024px) {
  .hero { align-items: center; }
  .hero::after { background: linear-gradient(180deg, rgba(34,30,26,.4) 0%, rgba(34,30,26,0) 25%), linear-gradient(90deg, rgba(34,30,26,.85) 0%, rgba(34,30,26,.45) 45%, rgba(34,30,26,0) 72%); }
  .hero-content { padding-bottom: 40px; }
  .hero-dots { left: max(var(--gutter), calc((100% - var(--container)) / 2)); bottom: 40px; }
}

/* ---------- Section chung ---------- */
.section { padding: 88px 0; }
.section-olive { background: var(--color-olive); color: var(--color-on-dark); }
.section-brown { background: var(--color-brown); color: var(--color-on-dark); }
.section-sand { background: var(--color-sand-2); }
.section-olive h2, .section-olive h3, .section-brown h2, .section-brown h3 { color: var(--color-on-dark); }
.emblem { display: block; width: 34px; height: auto; margin-bottom: 18px; }
.section-head.center .emblem { margin-left: auto; margin-right: auto; }
.section-label { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; color: var(--color-bronze-text); margin-bottom: 16px; }
.section-olive .section-label, .section-brown .section-label, .cta-content .section-label { color: var(--color-sand); }
.section-head { max-width: 780px; margin-bottom: 52px; }
.section-head > p:not(.section-label) { color: var(--color-muted); margin-bottom: 0; }
.section-olive .section-head > p:not(.section-label), .section-brown .section-head > p:not(.section-label) { color: var(--color-on-dark-muted); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
@media (min-width: 1024px) { .section { padding: 132px 0; } }

/* Split text/ảnh */
.split { display: grid; gap: 48px; align-items: center; }
.split-text > p { color: var(--color-muted); }
.section-olive .split-text > p, .section-brown .split-text > p { color: var(--color-on-dark-muted); }
.split-text .btn { margin-top: 12px; }
.split-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.split-media figcaption { font-size: 13px; color: var(--color-muted); margin-top: 14px; }
@media (min-width: 1024px) {
  .split { grid-template-columns: 1fr 1.1fr; gap: 96px; }
  .split-reverse { grid-template-columns: 1.1fr 1fr; }
  .split-reverse .split-text { order: 2; }
}

/* ---------- Số liệu ---------- */
.facts { list-style: none; margin: 0 0 64px; padding: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--color-line); }
.facts li { padding: 26px 0 24px; border-bottom: 1px solid var(--color-line); }
.facts li:nth-child(odd) { padding-right: 16px; }
.facts li:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--color-line); }
.facts strong { display: block; font-family: var(--font-display); font-weight: 300; font-size: clamp(36px, 5vw, 58px); line-height: 1; color: var(--color-heading); }
.facts small { font-size: .45em; letter-spacing: 0; }
.facts span { display: block; margin-top: 12px; font-family: var(--font-ui); font-size: 11.5px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--color-bronze-text); }
@media (min-width: 900px) {
  .facts { grid-template-columns: repeat(4, 1fr); }
  .facts li, .facts li:nth-child(odd), .facts li:nth-child(even) { padding: 34px 24px 30px; border-left: 1px solid var(--color-line); }
  .facts li:nth-child(4n+1) { border-left: 0; padding-left: 0; }
}
.spec-list { margin: 0; border-top: 1px solid var(--color-line); }
.spec-list div { display: grid; grid-template-columns: 120px 1fr; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--color-line); }
.spec-list dt { font-family: var(--font-ui); font-size: 11.5px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-bronze-text); padding-top: 4px; }
.spec-list dd { margin: 0; color: var(--color-heading); font-weight: 500; }
@media (max-width: 479px) { .spec-list div { grid-template-columns: 1fr; gap: 2px; } }

/* ---------- Vị trí ---------- */
.wide-media { margin-bottom: 56px; }
.wide-media img { width: 100%; border-radius: var(--radius); }
.wide-media figcaption { font-size: 13px; color: var(--color-muted); margin-top: 12px; text-align: center; }
.location-grid { display: grid; gap: 40px; }
.highlight-list, .time-list { list-style: none; margin: 0; padding: 0; }
.highlight-list li { position: relative; padding: 17px 0 17px 30px; border-bottom: 1px solid var(--color-line-dark); color: var(--color-on-dark); font-weight: 500; }
.highlight-list li::before { content: ""; position: absolute; left: 4px; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 50%; background: var(--color-bronze); }
.time-list li { display: grid; grid-template-columns: 100px 1fr; gap: 18px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--color-line-dark); color: var(--color-on-dark-muted); }
.time-list .time { font-family: var(--font-display); font-weight: 300; font-size: 34px; color: var(--color-on-dark); line-height: 1; }
@media (min-width: 900px) { .location-grid { grid-template-columns: 1fr 1fr; gap: 96px; } }

/* ---------- Tiện ích: băng chuyền ---------- */
.carousel { margin-bottom: 64px; }
.carousel-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 82%; gap: 16px;
  overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--gutter);
  padding: 0 var(--gutter) 6px; scrollbar-width: none; overscroll-behavior-x: contain;
}
.carousel-track::-webkit-scrollbar { display: none; }
.slide-card { position: relative; scroll-snap-align: start; border-radius: var(--radius); overflow: hidden; background: var(--color-ink); }
.slide-card img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .9s var(--ease); }
.slide-card:hover img { transform: scale(1.04); }
.slide-card figcaption { position: absolute; inset: auto 0 0 0; padding: 70px 24px 24px; color: var(--color-on-dark); font-family: var(--font-display); font-weight: 300; font-size: 22px; line-height: 1.25; background: linear-gradient(0deg, rgba(34,30,26,.85), rgba(34,30,26,0)); }
.slide-card figcaption span { display: block; margin-bottom: 8px; font-family: var(--font-ui); font-size: 11px; font-weight: 700; letter-spacing: .24em; text-transform: uppercase; color: var(--color-sand); }
.carousel-nav { display: flex; justify-content: center; gap: 12px; margin-top: 24px; }
@media (min-width: 768px) { .carousel-track { grid-auto-columns: calc((100% - var(--gutter) * 2 - 32px) / 2.6); } }
@media (min-width: 1240px) {
  .carousel-track { grid-auto-columns: 372px; padding-left: calc((100% - var(--container)) / 2); scroll-padding-left: calc((100% - var(--container)) / 2); }
  .carousel-nav { justify-content: flex-end; }
}
.amenity-cols { display: grid; gap: 28px; }
.amenity-cols > div { padding-top: 20px; border-top: 1px solid var(--color-line); }
.amenity-cols h3 { margin-bottom: .35em; }
.amenity-cols p { margin: 0; color: var(--color-muted); }
@media (min-width: 900px) { .amenity-cols { grid-template-columns: repeat(3, 1fr); gap: 40px; } }

/* ---------- Mặt bằng ---------- */
.masterplan img { background: var(--color-white); }
.plan-filter { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin: 0 calc(var(--gutter) * -1) 32px; padding: 0 var(--gutter) 4px; }
.plan-filter::-webkit-scrollbar { display: none; }
.plan-filter button {
  flex: 0 0 auto; min-height: 44px; padding: 10px 20px; border: 1px solid var(--color-line); border-radius: 999px; background: var(--color-paper); color: var(--color-heading);
  font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; white-space: nowrap; transition: background-color .2s, color .2s, border-color .2s;
}
.plan-filter button span { display: inline-block; min-width: 22px; margin-left: 6px; padding: 2px 6px; font-size: 11px; letter-spacing: 0; background: var(--color-cream); color: var(--color-bronze-text); border-radius: 99px; }
.plan-filter button:hover { border-color: var(--color-bronze); }
.plan-filter button[aria-pressed="true"] { background: var(--color-olive); color: var(--color-white); border-color: var(--color-olive); }
.plan-filter button[aria-pressed="true"] span { background: var(--color-sand); color: var(--color-olive-deep); }
@media (min-width: 900px) { .plan-filter { flex-wrap: wrap; justify-content: center; overflow: visible; margin: 0 0 44px; padding: 0; } }

.plan-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 20px; }
.plan-card { display: flex; flex-direction: column; background: var(--color-paper); border-radius: var(--radius); overflow: hidden; transition: box-shadow .35s, transform .35s var(--ease); }
.plan-card:hover { transform: translateY(-4px); box-shadow: 0 30px 50px -34px rgba(47,43,38,.5); }
.plan-img { position: relative; display: block; padding: 18px; border: 0; background: var(--color-white); cursor: zoom-in; }
.plan-img img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.plan-body { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 22px; }
.plan-code { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .12em; color: var(--color-bronze-text); margin-bottom: 4px; }
.plan-body h3 { font-size: 26px; margin-bottom: .1em; }
.plan-rooms { font-size: 14px; color: var(--color-muted); margin-bottom: 12px; }
.plan-body dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0 0 18px; }
.plan-body dl div { background: var(--color-cream); padding: 10px 12px; border-radius: var(--radius-sm); }
.plan-body dt { font-family: var(--font-ui); font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-muted); }
.plan-body dd { margin: 2px 0 0; font-family: var(--font-display); font-size: 22px; font-weight: 300; color: var(--color-heading); }
.plan-cta { margin-top: auto; min-height: 46px; border: 1px solid var(--color-bronze); border-radius: 999px; background: transparent; color: var(--color-bronze-text); font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; transition: background-color .25s, color .25s; }
.plan-cta:hover { background: var(--color-bronze); color: var(--color-white); }
.plan-note { margin-top: 28px; text-align: center; }
.note { font-size: 13px; color: var(--color-muted); }
@media (max-width: 599px) {
  .plan-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .plan-img { padding: 8px; }
  .plan-body { padding: 12px 12px 14px; }
  .plan-code { font-size: 10.5px; letter-spacing: .06em; }
  .plan-body h3 { font-size: 19px; }
  .plan-rooms { font-size: 12px; margin-bottom: 8px; }
  .plan-body dl { grid-template-columns: 1fr; gap: 6px; margin-bottom: 12px; }
  .plan-body dl div { padding: 6px 8px; }
  .plan-body dt { font-size: 9px; }
  .plan-body dd { font-size: 17px; }
  .plan-cta { min-height: 40px; font-size: 10px; letter-spacing: .08em; }
}

/* ---------- CTA ---------- */
.cta-band { padding: 0 0 88px; }
.cta-card { position: relative; border-radius: var(--radius); overflow: hidden; background: var(--color-brown); color: var(--color-on-dark); text-align: center; }
.cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cta-card::after { content: ""; position: absolute; inset: 0; background: rgba(74,77,62,.86); }
.cta-content { position: relative; z-index: 1; max-width: 760px; margin: 0 auto; padding: 72px 24px; }
.cta-content .emblem { margin: 0 auto 18px; }
.cta-content h2 { color: var(--color-on-dark); }
.cta-content p { color: var(--color-on-dark-muted); margin-bottom: 1.6em; }
@media (min-width: 1024px) { .cta-band { padding-bottom: 132px; } .cta-content { padding: 100px 24px; } }

/* ---------- Thư viện ---------- */
.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.gallery-item { position: relative; padding: 0; border: 0; background: none; overflow: hidden; display: block; cursor: zoom-in; border-radius: var(--radius-sm); }
.gallery-item img { width: 100%; height: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .9s var(--ease); }
.gallery-item:hover img { transform: scale(1.05); }
.g-wide { grid-column: span 2; }
@media (min-width: 900px) { .gallery { grid-template-columns: repeat(4, 1fr); gap: 14px; } }

.partner-logo { width: 210px; margin: 4px 0 24px; }

/* ---------- Form ---------- */
.register { display: grid; gap: 44px; align-items: start; }
.check-list { list-style: none; padding: 0; margin: 0 0 28px; }
.check-list li { position: relative; padding: 12px 0 12px 32px; color: var(--color-on-dark); border-bottom: 1px solid var(--color-line-dark); }
.check-list li::before { content: ""; position: absolute; left: 3px; top: 50%; width: 12px; height: 7px; margin-top: -6px; border-left: 2px solid var(--color-sand); border-bottom: 2px solid var(--color-sand); transform: rotate(-45deg); }
.register-call { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: var(--color-sand); }
.register-call a { display: block; margin-top: 6px; color: var(--color-on-dark); font-family: var(--font-display); font-weight: 300; text-decoration: none; font-size: clamp(34px, 4vw, 46px); letter-spacing: 0; text-transform: none; }
@media (min-width: 900px) { .register { grid-template-columns: 1fr 1.05fr; gap: 96px; } }

.lead-form { position: relative; background: var(--color-paper); color: var(--color-text); padding: 28px 20px; border-radius: var(--radius); }
.section-olive .lead-form { box-shadow: 0 40px 80px -40px rgba(0,0,0,.55); }
.field { margin-bottom: 14px; }
.field-row { display: grid; gap: 14px; }
.field-row .field { margin-bottom: 0; }
.field-row { margin-bottom: 14px; }
@media (min-width: 480px) { .field-row { grid-template-columns: 1fr 1fr; } }
.lead-form .field > label:not(.consent) { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.field input:not([type="checkbox"]), .field select {
  width: 100%; min-height: 54px; padding: 14px 18px; border: 1px solid transparent; border-radius: var(--radius-sm); background: var(--color-field);
  font: inherit; font-size: 16px; color: var(--color-heading); transition: border-color .2s, box-shadow .2s, background-color .2s;
  -webkit-appearance: none; appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6' fill='none' stroke='%235A5145' stroke-width='1.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; background-size: 18px; padding-right: 48px; }
.field input::placeholder { color: #8A7F70; }
.field input:focus, .field select:focus { outline: none; background-color: var(--color-white); border-color: var(--color-bronze); box-shadow: 0 0 0 3px rgba(167,128,97,.2); }
.field.has-error input { border-color: var(--color-error); }
.field-error { display: block; font-size: 13.5px; color: var(--color-error); margin-top: 5px; }
.field-consent { margin: 6px 0 20px; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; line-height: 1.6; color: var(--color-muted); cursor: pointer; }
.consent input { flex: 0 0 auto; width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--color-bronze); }
.consent a { color: var(--color-bronze-text); font-weight: 600; }
.field-consent.has-error .consent span { color: var(--color-error); }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { margin: 14px 0 0; font-size: 15px; }
.form-msg.is-error { color: var(--color-error); }
.form-msg:empty { display: none; }
@media (min-width: 600px) { .lead-form { padding: 40px 36px; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-ink); color: var(--color-on-dark-muted); padding: 72px 0 32px; font-size: 14.5px; }
.footer-grid { display: grid; gap: 32px; padding-bottom: 36px; border-bottom: 1px solid var(--color-line-dark); }
.footer-logo { width: 180px; }
.footer-title { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--color-sand); margin-bottom: 14px; }
.site-footer p { margin: 0 0 6px; }
.site-footer a { color: var(--color-on-dark); text-decoration: none; font-weight: 500; }
.site-footer a:hover { color: var(--color-sand); }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 28px; padding: 24px 0; }
.footer-links a { font-family: var(--font-ui); font-size: 12px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.disclaimer { font-size: 13px; color: rgba(220,211,192,.85); }
.copyright { font-size: 12.5px; color: rgba(220,211,192,.6); margin-top: 12px !important; }
@media (min-width: 900px) { .footer-grid { grid-template-columns: 1.1fr 1fr 1fr 1.2fr; gap: 48px; } }

/* ---------- Nút tròn nổi bên phải ---------- */
.float-contact { position: fixed; z-index: 40; right: 14px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; }
.float-contact { transition: opacity .3s, transform .3s; }
.fc-btn { width: 50px; height: 50px; border-radius: 50%; border: 0; display: grid; place-items: center; text-decoration: none; color: var(--color-white); box-shadow: 0 0 0 1px rgba(255,255,255,.28), 0 10px 24px -8px rgba(30,27,23,.6); transition: transform .25s; }
.fc-btn:hover { transform: translateY(-2px); }
.fc-btn svg { width: 21px; height: 21px; fill: currentColor; }
.fc-btn b { font-family: var(--font-ui); font-size: 13px; font-weight: 700; }
.fc-call { background: var(--color-bronze); animation: pulse 2.6s infinite; }
.fc-zalo { background: var(--color-paper); color: var(--color-olive-deep); box-shadow: 0 0 0 1px var(--color-line), 0 10px 24px -8px rgba(30,27,23,.5); }
.fc-price { background: var(--color-ink); }
/* Điện thoại: ẩn cột nút khi đang ở đầu trang hoặc ở form đăng ký để không che CTA/form */
@media (max-width: 1023px) {
  .float-contact.is-hidden { opacity: 0; transform: translateX(16px); pointer-events: none; }
}
@media (min-width: 1024px) { .float-contact { right: 24px; bottom: 28px; } .fc-btn { width: 56px; height: 56px; } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(167,128,97,.55); } 70% { box-shadow: 0 0 0 14px rgba(167,128,97,0); } 100% { box-shadow: 0 0 0 0 rgba(167,128,97,0); } }

/* ---------- Banner cookie ---------- */
.cookie-banner { position: fixed; z-index: 45; left: 12px; right: 12px; bottom: 12px; max-width: 540px; padding: 20px 22px; background: var(--color-paper); color: var(--color-text); border-radius: var(--radius); box-shadow: 0 20px 50px -10px rgba(0,0,0,.35); font-size: 14px; line-height: 1.6; }
.cookie-banner p { margin: 0 0 14px; }
.cookie-banner a { color: var(--color-bronze-text); font-weight: 600; }
.cookie-actions { display: flex; gap: 10px; }
.cookie-actions .btn { flex: 1; min-height: 44px; padding: 10px 16px; font-size: 12px; }
@media (min-width: 1024px) { .cookie-banner { left: 24px; right: auto; bottom: 24px; } }

/* ---------- Popup & lightbox ---------- */
dialog { border: 0; padding: 0; }
dialog::backdrop { background: rgba(34,30,26,.72); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }
.popup { width: min(520px, calc(100% - 28px)); max-height: calc(100% - 28px); overflow: auto; background: var(--color-paper); border-radius: var(--radius); }
.popup-body { padding: 34px 24px 28px; text-align: center; }
.popup-logo { width: 190px; margin: 0 auto 18px; }
.popup-intro { color: var(--color-muted); font-size: 15px; max-width: 400px; margin: 0 auto 20px; }
.popup-need { font-size: 14px; color: var(--color-text); background: var(--color-cream); padding: 9px 14px; border-radius: var(--radius-sm); margin: 0 0 16px; }
.popup .lead-form { padding: 0; background: none; text-align: left; box-shadow: none; }
.popup-close { position: absolute; top: 14px; right: 14px; z-index: 2; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--color-sand-2); color: var(--color-heading); display: grid; place-items: center; }
.popup-close svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.popup-close:hover { background: var(--color-sand); }
@media (min-width: 600px) { .popup-body { padding: 44px 40px 36px; } }
.lightbox { background: var(--color-white); max-width: 96vw; max-height: 92vh; overflow: auto; padding: 0; border-radius: var(--radius-sm); }
.lightbox img { max-width: 94vw; max-height: 90vh; width: auto; }

/* ---------- Trang pháp lý ---------- */
.legal-page .site-header { background: var(--color-cream); position: sticky; box-shadow: 0 1px 0 var(--color-line); }
.legal-page .site-header::before { display: none; }
.legal-page .brand .logo-light { opacity: 0; }
.legal-page .brand .logo-dark { opacity: 1; }
.legal-back { font-family: var(--font-ui); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--color-bronze-text); text-decoration: none; }
.legal { max-width: 820px; margin: 0 auto; padding: 56px var(--gutter) 96px; }
.legal h1 { font-size: clamp(34px, 5vw, 52px); }
.legal .legal-meta { color: var(--color-muted); font-size: 14px; border-bottom: 1px solid var(--color-line); padding-bottom: 20px; margin-bottom: 32px; }
.legal h2 { font-size: clamp(24px, 3vw, 30px); font-weight: 400; margin-top: 1.8em; }
.legal ul, .legal ol { padding-left: 1.3em; }
.legal li { margin-bottom: .5em; }
.legal table { width: 100%; border-collapse: collapse; margin: 16px 0 24px; font-size: 15px; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 10px 12px; border: 1px solid var(--color-line); }
.legal th { background: var(--color-sand-2); font-family: var(--font-ui); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.legal .callout { background: var(--color-paper); border-left: 3px solid var(--color-bronze); padding: 16px 20px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.legal-page .float-contact { display: none; }

/* ---------- Hiệu ứng xuất hiện ---------- */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .hero-slide { transition: opacity .01s; transform: none !important; }
  .fc-call { animation: none; }
  .gallery-item img, .slide-card img { transition: none; }
}