/*
Theme Name: Nhà Đất San Ni
Theme URI: https://nhadatsanni.com/
Author: Nhà Đất San Ni
Description: Theme viết tay cho Nhà Đất San Ni – mua bán nhà phố quận Tân Phú: tin đăng nhà bán (video, album, thông số, bộ lọc), dữ liệu gom trong inc/data.php, schema JSON-LD, form lưu đơn, nút liên hệ nổi, không page builder, không jQuery.
Version: 1.0.0
Requires at least: 6.5
Tested up to: 7.1
Requires PHP: 7.4
License: GPLv2 or later
Text Domain: sanni
*/

/* ==========================================================================
   1. Tokens — đổi giao diện chủ yếu ở đây
   ========================================================================== */
:root {
	--c-primary: #06493a;
	--c-primary-dark: #043a2e;
	--c-primary-soft: #a5d6a7;
	--c-accent: #ffd659;
	--c-accent-dark: #f2c230;
	--c-heading: #052d24;
	--c-price: #e60808;
	--c-bg: #ffffff;
	--c-bg-alt: #f2fff2;
	--c-bg-dark: #06493a;
	--c-text: #333333;
	--c-text-muted: #5f6b66;
	--c-text-invert: #ffffff;
	--c-border: #e3efe5;
	--c-frame: #388e3c;

	--f-body: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
	--f-heading: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;

	--fs-sm: 0.875rem;
	--fs-base: 1rem;
	--fs-lg: 1.0625rem;
	--fs-h3: clamp(1.05rem, 1rem + 0.25vw, 1.2rem);
	--fs-h2: clamp(1.3rem, 1.1rem + 0.9vw, 1.75rem);
	--fs-h1: clamp(1.6rem, 1.2rem + 1.9vw, 2.6rem);

	--radius: 12px;
	--radius-sm: 6px;
	--radius-pill: 999px;
	--shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
	--shadow-hover: 0 12px 28px rgba(6, 73, 58, 0.14);

	--space-section: clamp(2.75rem, 2rem + 3vw, 4.5rem);
	--container: 1220px;
	--gutter: 16px;
	--header-h: 72px;
}

/* ==========================================================================
   2. Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--f-body); font-size: var(--fs-base); line-height: 1.6; color: var(--c-text); background: var(--c-bg); overflow-x: hidden; }
img, picture, video, svg { display: block; max-width: 100%; height: auto; }
a { color: var(--c-primary); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--c-primary-dark); }
h1, h2, h3, h4 { font-family: var(--f-heading); line-height: 1.25; margin: 0 0 0.6em; color: var(--c-heading); font-weight: 700; }
h1 { font-size: var(--fs-h1); text-wrap: balance; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.2em; }
input, select, textarea, button { font: inherit; }
:focus-visible { outline: 3px solid var(--c-accent); outline-offset: 2px; }
.icon { flex: none; }
.screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 1000; width: auto; height: auto; clip: auto; padding: 8px 16px; background: #fff; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--space-section); }
.section--tight { padding-block: clamp(1.25rem, 1rem + 1vw, 2rem); }
.section--alt, .section--tint { background: var(--c-bg-alt); }
.section--dark { background: var(--c-bg-dark); color: var(--c-text-invert); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section__head { max-width: 760px; margin: 0 auto 2rem; text-align: center; }
.section__head h2 { text-transform: uppercase; letter-spacing: 0.01em; }
.section__eyebrow { display: inline-block; margin-bottom: 0.5rem; padding: 4px 14px; border-radius: var(--radius-pill); background: var(--c-primary); color: #fff; font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.section--dark .section__eyebrow { background: var(--c-accent); color: var(--c-heading); }
.section__lead { color: var(--c-text-muted); font-size: var(--fs-lg); }
.section--dark .section__lead { color: rgba(255, 255, 255, 0.85); }
.grid { display: grid; gap: 20px; grid-template-columns: 1fr; }
.center-row { margin: 1.75rem 0 0; text-align: center; }
.note-small { margin-top: 1.25rem; font-size: var(--fs-sm); color: var(--c-text-muted); font-style: italic; }

/* ==========================================================================
   3. Nút
   ========================================================================== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 10px 22px; border: 2px solid transparent; border-radius: var(--radius-sm); font-weight: 700; font-size: 0.97rem; line-height: 1.2; text-decoration: none; cursor: pointer; transition: background 0.2s, color 0.2s, transform 0.2s, box-shadow 0.2s; }
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--c-primary); color: #fff; }
.btn--primary:hover { background: var(--c-primary-dark); color: #fff; }
.btn--accent { background: var(--c-accent); color: var(--c-heading); }
.btn--accent:hover { background: var(--c-accent-dark); color: var(--c-heading); }
.btn--ghost { border-color: currentColor; color: inherit; background: transparent; }
.btn--zalo { background: #0068ff; color: #fff; }
.btn--zalo:hover { background: #0057d6; color: #fff; }
.btn--block { width: 100%; }
.btn-group { display: flex; flex-wrap: wrap; gap: 12px; }

/* ==========================================================================
   4. Header (thanh trên + thanh chính)
   ========================================================================== */
.topbar { background: var(--c-primary); color: #fff; font-size: 0.8125rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 40px; }
.topbar__links { display: flex; gap: 0; }
.topbar__links a { padding: 0 12px; color: rgba(255, 255, 255, 0.9); text-decoration: none; border-left: 1px solid rgba(255, 255, 255, 0.25); }
.topbar__links a:first-child { padding-left: 0; border-left: 0; }
.topbar__links a:hover { color: var(--c-accent); }
.topbar__note { display: none; margin: 0; color: var(--c-accent); }

.site-header { position: sticky; top: 0; z-index: 100; background: var(--c-bg-alt); border-bottom: 1px solid var(--c-border); transition: box-shadow 0.2s; }
.site-header.is-scrolled { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08); }
.site-header__inner { display: flex; align-items: center; gap: 12px; min-height: var(--header-h); }
.site-logo { display: flex; align-items: center; gap: 10px; margin-right: auto; text-decoration: none; }
.site-logo__text { display: flex; flex-direction: column; line-height: 1; }
.site-logo__name { font-size: 1.6rem; font-weight: 900; color: var(--c-primary); letter-spacing: -0.01em; }
.site-logo__tag { margin-top: 4px; font-size: 0.66rem; font-weight: 700; color: var(--c-heading); letter-spacing: 0.22em; text-transform: uppercase; }
.header-search { display: grid; place-items: center; width: 44px; height: 44px; color: var(--c-heading); }
.nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
.nav-toggle__bar, .nav-toggle__bar::before, .nav-toggle__bar::after { display: block; width: 24px; height: 2px; background: var(--c-heading); position: relative; transition: transform 0.2s; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bar::before { top: -7px; }
.nav-toggle__bar::after { top: 7px; }
.nav-open .nav-toggle__bar { background: transparent; }
.nav-open .nav-toggle__bar::before { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle__bar::after { transform: translateY(-7px) rotate(-45deg); }
.primary-nav { position: fixed; inset: calc(var(--header-h) + 40px) 0 0 0; z-index: 99; background: var(--c-bg); padding: 12px var(--gutter) 32px; overflow-y: auto; transform: translateX(100%); transition: transform 0.25s; }
.is-scrolled-past .primary-nav { inset-block-start: var(--header-h); }
.nav-open .primary-nav { transform: none; }
.primary-nav ul { list-style: none; margin: 0; padding: 0; }
.primary-nav a { display: block; padding: 12px 0; color: var(--c-heading); font-weight: 700; text-transform: uppercase; font-size: 0.95rem; text-decoration: none; border-bottom: 1px solid var(--c-border); }
.primary-nav .sub-menu a, .primary-nav .children a { padding-left: 16px; font-weight: 500; text-transform: none; }
.primary-nav .current-menu-item > a, .primary-nav .current-menu-ancestor > a, .primary-nav a:hover { color: var(--c-primary); }
.primary-nav .menu-item-has-children > a::after { content: ""; display: inline-block; width: 6px; height: 6px; margin-left: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-3px) rotate(45deg); }
.primary-nav__call { margin-top: 16px; width: 100%; }
.primary-nav .primary-nav__call { color: var(--c-heading); border: 0; text-transform: none; }
.header-cta { display: none; }

/* ==========================================================================
   5. Hero
   ========================================================================== */
.hero { position: relative; display: flex; align-items: center; min-height: 520px; padding-block: 48px; color: #fff; background: var(--c-primary-dark); overflow: hidden; }
.hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(4, 40, 32, 0.92) 0%, rgba(6, 73, 58, 0.72) 48%, rgba(6, 73, 58, 0.2) 100%); }
.hero__inner { position: relative; z-index: 1; display: grid; gap: 28px; align-items: center; }
.hero__content { max-width: 640px; }
.hero h1 { color: #fff; }
.hero__badge { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 1rem; padding: 6px 14px; border-radius: var(--radius-pill); background: var(--c-accent); color: var(--c-heading); font-size: var(--fs-sm); font-weight: 700; }
.hero__lead { font-size: var(--fs-lg); color: rgba(255, 255, 255, 0.92); margin-bottom: 1.5rem; }
.hero .btn--ghost { color: #fff; }
.quick-search { display: grid; gap: 12px; padding: 22px; background: rgba(255, 255, 255, 0.97); border-radius: var(--radius); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25); color: var(--c-text); }
.quick-search__title { margin: 0 0 4px; font-size: 1.15rem; font-weight: 900; color: var(--c-heading); text-transform: uppercase; }
.quick-search label span, .filter label span { display: block; margin-bottom: 4px; font-size: 0.8rem; font-weight: 700; color: var(--c-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.quick-search select, .filter select { width: 100%; min-height: 46px; padding: 8px 12px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); background: #fff; color: var(--c-text); }

/* ==========================================================================
   6. Khung (frame), hộp giới thiệu, nhóm nhà
   ========================================================================== */
.intro-box, .frame { position: relative; padding: 28px 18px 24px; background: #fff; border: 1px solid var(--c-frame); border-radius: var(--radius); box-shadow: var(--shadow); }
.intro-box { text-align: center; }
.intro-box__title { font-size: clamp(1.15rem, 1rem + 0.9vw, 1.7rem); text-transform: uppercase; color: var(--c-heading); }
.intro-box__text { max-width: 980px; margin-inline: auto; color: var(--c-text); }
.intro-box__items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.intro-box__items li { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.intro-box__items strong { color: var(--c-heading); }
.intro-box__items span:last-child { font-size: var(--fs-sm); color: var(--c-text-muted); }
.round-icon { display: grid; place-items: center; width: 72px; height: 72px; border-radius: 50%; background: var(--c-primary); color: #fff; box-shadow: 0 0 0 6px rgba(6, 73, 58, 0.08); }
.frame { padding-top: 40px; }
.frame__label { position: absolute; top: 0; left: 50%; transform: translate(-50%, -50%); max-width: calc(100% - 24px); margin: 0; padding: 7px 22px; border-radius: var(--radius-pill); background: var(--c-bg-alt); border: 1px solid var(--c-frame); color: var(--c-heading); font-size: clamp(0.85rem, 0.8rem + 0.3vw, 1rem); font-weight: 700; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.group { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.group__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 20px; padding: 14px 18px; background: linear-gradient(180deg, #66bb6a 0%, var(--c-primary-soft) 100%); }
.group__title { margin: 0; font-size: 1rem; text-transform: uppercase; color: var(--c-heading); }
.group__tabs { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.group__tabs a { color: var(--c-heading); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; text-decoration: none; }
.group__tabs a:hover { color: #fff; }
.group__body { display: grid; gap: 16px; padding: 16px; }
.group__banner { display: flex; flex-direction: column; justify-content: center; gap: 10px; min-height: 220px; padding: 28px 22px; border-radius: var(--radius-sm); background: radial-gradient(circle at 30% 20%, #0b6b55 0%, var(--c-primary) 45%, var(--c-primary-dark) 100%); color: #fff; text-decoration: none; text-align: center; position: relative; overflow: hidden; }
.group__banner::before { content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255, 214, 89, 0.55); border-radius: 4px; pointer-events: none; }
.group__kicker { font-size: 0.8rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-accent); }
.group__big { font-family: var(--f-heading); font-weight: 900; font-size: clamp(2rem, 1.6rem + 1.6vw, 2.7rem); line-height: 1.1; color: var(--c-accent); text-transform: uppercase; }
.group__text { color: rgba(255, 255, 255, 0.9); }
.group__more { display: inline-block; align-self: center; margin-top: 6px; padding: 8px 18px; border-radius: var(--radius-pill); background: var(--c-accent); color: var(--c-heading); font-weight: 700; font-size: var(--fs-sm); }
.group__banner:hover { color: #fff; }

/* ==========================================================================
   7. Thẻ nhà + lưới
   ========================================================================== */
.house-grid { display: grid; gap: 16px; grid-template-columns: 1fr; }
.house-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s; }
.house-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.house-card__media { position: relative; display: block; aspect-ratio: 16 / 9; background: var(--c-bg-alt); overflow: hidden; }
.house-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s; }
.house-card:hover .house-card__media img { transform: scale(1.04); }
.house-card__badge { position: absolute; top: 10px; left: 10px; padding: 3px 10px; border-radius: var(--radius-sm); background: var(--c-primary); color: #fff; font-size: 0.75rem; font-weight: 700; }
.house-card__video { position: absolute; right: 10px; bottom: 10px; display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: var(--radius-pill); background: rgba(0, 0, 0, 0.65); color: #fff; font-size: 0.75rem; font-weight: 700; }
.house-card__sold { position: absolute; inset: 0; display: grid; place-items: center; background: rgba(0, 0, 0, 0.55); color: #fff; font-size: 1.3rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.1em; }
.house-card__body { display: flex; flex-direction: column; flex: 1; gap: 8px; padding: 14px; }
.house-card__title { margin: 0; font-size: 0.97rem; font-weight: 500; line-height: 1.45; color: var(--c-text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.house-card__title a { color: inherit; text-decoration: none; }
.house-card__title a:hover { color: var(--c-primary); }
.house-card__loc { display: flex; align-items: center; gap: 4px; margin: 0; font-size: 0.83rem; color: var(--c-text-muted); }
.house-card__specs { display: flex; flex-wrap: wrap; gap: 6px 12px; margin: 0; padding: 8px 0 0; border-top: 1px dashed var(--c-border); list-style: none; font-size: 0.83rem; color: var(--c-heading); }
.house-card__specs li { display: inline-flex; align-items: center; gap: 4px; }
.house-card__price { margin: auto 0 0; font-size: 1.15rem; font-weight: 900; color: var(--c-price); }
.house-card.is-sold .house-card__price { color: var(--c-text-muted); text-decoration: line-through; }

/* Thẻ dịch vụ, bài viết (dùng lại .card của theme gốc) */
.card { display: flex; flex-direction: column; background: var(--c-bg); border: 1px solid var(--c-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: transform 0.2s, box-shadow 0.2s; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.card__media { display: block; aspect-ratio: 16 / 9; background: var(--c-bg-alt); overflow: hidden; }
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body { display: flex; flex-direction: column; flex: 1; padding: 18px; }
.card__title { margin-bottom: 0.4em; font-size: 1.05rem; }
.card__title a { color: var(--c-heading); text-decoration: none; }
.card__title a:hover { color: var(--c-primary); }
.card__text { color: var(--c-text-muted); font-size: 0.95rem; }
.card__text p { margin: 0 0 0.75em; }
.card__meta { margin-top: auto; font-weight: 700; color: var(--c-primary); font-size: var(--fs-sm); text-decoration: none; }

/* ==========================================================================
   8. Về San Ni, video, quy trình, FAQ, album
   ========================================================================== */
.about { display: grid; gap: 24px; align-items: center; }
.about__photo img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radius); }
.about__text h3 { font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.55rem); }
.about__text p { text-align: justify; text-align-last: left; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 1.25rem 0 1.5rem; padding: 0; list-style: none; }
.stats li { padding: 14px 8px; border-radius: var(--radius-sm); background: var(--c-bg-alt); border: 1px solid var(--c-border); text-align: center; }
.stats strong { display: block; font-size: clamp(1.25rem, 1rem + 1vw, 1.75rem); font-weight: 900; color: var(--c-primary); }
.stats span { font-size: 0.8rem; color: var(--c-text-muted); }

.yt { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: #000; cursor: pointer; }
.yt__img { width: 100%; height: 100%; object-fit: cover; opacity: 0.92; transition: opacity 0.2s; }
.yt:hover .yt__img { opacity: 1; }
.yt__play { position: absolute; inset: 0; display: grid; place-items: center; border: 0; background: none; cursor: pointer; }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-wall { display: grid; gap: 16px; }
.video-wall__caption { margin: 10px 0 0; font-weight: 700; }
.video-wall__caption a { color: var(--c-heading); text-decoration: none; }
.video-wall__list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.video-wall__list a { display: grid; grid-template-columns: 140px 1fr; gap: 12px; align-items: center; color: var(--c-text); text-decoration: none; font-size: 0.9rem; line-height: 1.4; }
.video-wall__list img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius-sm); }
.video-wall__list span { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.video-wall__list em { display: block; font-style: normal; font-weight: 900; color: var(--c-price); }
.video-wall__list a:hover { color: var(--c-primary); }

.steps { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.steps li { counter-increment: step; position: relative; padding: 0 0 22px 64px; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--c-primary); color: var(--c-accent); font-weight: 900; font-size: 1.1rem; box-shadow: 0 0 0 5px rgba(6, 73, 58, 0.1); }
.steps li:not(:last-child)::after { content: ""; position: absolute; left: 22px; top: 50px; bottom: 4px; width: 2px; background: var(--c-primary-soft); }
.steps h3 { margin-bottom: 0.25em; font-size: var(--fs-lg); }
.steps p { margin: 0; color: var(--c-text-muted); }

.faq { max-width: 860px; margin-inline: auto; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); padding: 4px 20px; }
.faq__item { border-bottom: 1px solid var(--c-border); }
.faq__item:last-child { border-bottom: 0; }
.faq__q { display: flex; justify-content: space-between; gap: 16px; width: 100%; padding: 16px 0; border: 0; background: none; text-align: left; font-weight: 700; font-size: 1rem; color: var(--c-heading); cursor: pointer; }
.faq__q::after { content: "+"; font-size: 1.5rem; line-height: 1; color: var(--c-primary); transition: transform 0.2s; }
.faq__q[aria-expanded="true"]::after { transform: rotate(45deg); }
.faq__a { padding-bottom: 16px; color: var(--c-text); }
.faq__a p { text-align: justify; text-align-last: left; }
.faq__a[hidden] { display: none; }
.gallery { display: grid; gap: 8px; grid-template-columns: repeat(2, 1fr); }
.gallery a { display: block; aspect-ratio: 1; overflow: hidden; border-radius: var(--radius-sm); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.lightbox { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 16px; background: rgba(0, 0, 0, 0.9); }
.lightbox img { max-height: 90vh; width: auto; }
.lightbox__close { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; border: 0; border-radius: 50%; background: #fff; font-size: 1.5rem; cursor: pointer; }

/* ==========================================================================
   9. Form + bộ lọc
   ========================================================================== */
.form { display: grid; gap: 14px; padding: 22px; background: var(--c-bg); color: var(--c-text); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12); }
.form__title { margin: 0; font-size: 1.1rem; font-weight: 900; color: var(--c-heading); text-transform: uppercase; }
.form__row { display: grid; gap: 14px; }
.form label { display: block; margin-bottom: 4px; font-weight: 500; font-size: var(--fs-sm); }
.form input, .form select, .form textarea { width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid #d5e3d8; border-radius: var(--radius-sm); background: #fff; color: var(--c-text); }
.form textarea { min-height: 100px; resize: vertical; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--c-primary); outline: none; box-shadow: 0 0 0 3px rgba(6, 73, 58, 0.12); }
.form__hp { position: absolute; left: -9999px; }
.form__note { margin: 0; font-size: 0.8rem; color: var(--c-text-muted); }
.form--compact .form__row { grid-template-columns: 1fr !important; }
.notice { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 4px; }
.notice--ok { background: #e8f6ec; color: #1d6b35; }
.notice--err { background: #fdecec; color: #9b1c1c; }

.filter { display: grid; gap: 12px; align-items: end; padding: 18px; margin-bottom: 1.25rem; background: #fff; border: 1px solid var(--c-frame); border-radius: var(--radius); box-shadow: var(--shadow); }
.filter__count { margin: 0 0 1rem; color: var(--c-text-muted); }
.filter__count strong { color: var(--c-price); }
.empty-box { padding: 32px 20px; background: #fff; border-radius: var(--radius); text-align: center; border: 1px dashed var(--c-frame); }

/* ==========================================================================
   10. Trang con, tin đăng, bài viết
   ========================================================================== */
.page-hero { padding-block: 36px 30px; background: var(--c-bg-alt); border-bottom: 1px solid var(--c-border); }
.page-hero--green { background: linear-gradient(120deg, var(--c-primary-dark), var(--c-primary)); color: #fff; border: 0; }
.page-hero--green h1, .page-hero--green .breadcrumb, .page-hero--green .section__lead { color: #fff; }
.page-hero--green .breadcrumb a { color: var(--c-accent); }
.page-hero h1 { margin-bottom: 0.4em; }
.breadcrumb { font-size: var(--fs-sm); color: var(--c-text-muted); margin-bottom: 10px; }
.breadcrumb a { color: var(--c-primary); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.listing-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; margin: 0; color: var(--c-text-muted); font-size: 0.93rem; }
.listing-meta a, .listing-meta span { display: inline-flex; align-items: center; gap: 5px; color: inherit; text-decoration: none; }
.listing-meta__price { padding: 4px 14px; border-radius: var(--radius-sm); background: var(--c-price); color: #fff !important; font-size: 1.2rem; font-weight: 900; }
.tag-sold { padding: 3px 10px; border-radius: var(--radius-sm); background: #333; color: #fff !important; font-weight: 700; }
.listing__grid { display: grid; gap: 24px; }
.listing__main { display: grid; gap: 20px; min-width: 0; }
.box { padding: 20px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow); }
.box__title { padding-bottom: 10px; margin-bottom: 14px; border-bottom: 2px solid var(--c-bg-alt); font-size: 1.1rem; text-transform: uppercase; }
.box.entry { max-width: none; }
.listing-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.listing-gallery__item { display: block; overflow: hidden; border-radius: var(--radius-sm); background: var(--c-bg-alt); aspect-ratio: 16 / 9; }
.listing-gallery__item.is-main { grid-column: 1 / -1; aspect-ratio: 16 / 9; border-radius: var(--radius); }
.listing-gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.listing-gallery__item:hover img { transform: scale(1.04); }
.specs { display: grid; gap: 0; margin: 0; }
.specs__row { display: grid; grid-template-columns: 150px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--c-border); }
.specs__row:last-child { border-bottom: 0; }
.specs dt { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--c-heading); }
.specs dt .icon { color: var(--c-primary); }
.specs dd { margin: 0; }
.specs__row--price dd { font-size: 1.25rem; font-weight: 900; color: var(--c-price); }
.side-sticky { display: grid; gap: 16px; }
.price-box { display: grid; gap: 10px; padding: 20px; background: var(--c-primary); color: #fff; border-radius: var(--radius); text-align: center; }
.price-box__label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--c-primary-soft); }
.price-box__value { font-size: 2rem; line-height: 1.1; font-weight: 900; color: var(--c-accent); }
.price-box__unit { font-size: 0.85rem; color: rgba(255, 255, 255, 0.85); }

.entry { max-width: 820px; margin-inline: auto; }
.entry p, .entry li { text-align: justify; text-align-last: left; }
.entry td p, .entry th p, .entry figcaption { text-align: left; }
.entry img { border-radius: var(--radius-sm); }
.entry h2 { margin-top: 1.5em; font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem); }
.entry h3 { margin-top: 1.3em; }
.entry ul li::marker { color: var(--c-primary); }
.entry blockquote { margin: 1.5em 0; padding: 12px 20px; border-left: 4px solid var(--c-accent); background: var(--c-bg-alt); }
.entry table { width: 100%; border-collapse: collapse; margin-bottom: 1.25em; font-size: 0.95rem; }
.entry th, .entry td { padding: 10px; border: 1px solid var(--c-border); text-align: left; }
.entry th { background: var(--c-bg-alt); color: var(--c-heading); }
.entry .cta-inline { padding: 18px 20px; margin: 1.5em 0; border-radius: var(--radius); background: var(--c-bg-alt); border: 1px solid var(--c-frame); }
.box.entry h2.box__title { margin-top: 0; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 2rem; }
.pagination .nav-links { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.pagination .page-numbers { padding: 8px 14px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); background: #fff; text-decoration: none; }
.pagination .current { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }

/* Bài blog: nội dung + sidebar */
.post-layout { display: grid; gap: 28px; }
.sidebar { display: grid; align-content: start; gap: 16px; }
.side-card { padding: 20px; background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius); box-shadow: var(--shadow); }
.side-card h2 { font-size: 1rem; text-transform: uppercase; }
.side-card ul { list-style: none; margin: 0; padding: 0; }
.side-card li { padding: 7px 0; border-bottom: 1px dashed var(--c-border); font-size: 0.93rem; }
.side-card li:last-child { border-bottom: 0; }
.side-card a { text-decoration: none; }
.side-card--cta { background: var(--c-primary); color: #fff; text-align: center; }
.side-card--cta h2 { color: var(--c-accent); }
.side-card--cta .btn { width: 100%; margin-top: 8px; }

/* Liên hệ */
.contact-grid { display: grid; gap: 24px; }
.contact-list { list-style: none; margin: 0 0 1.25rem; padding: 0; }
.contact-list li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--c-border); }
.contact-list .icon { color: var(--c-primary); margin-top: 2px; }
.map-embed { width: 100%; aspect-ratio: 16 / 10; border: 0; border-radius: var(--radius); }

/* ==========================================================================
   11. CTA + đăng ký + Footer
   ========================================================================== */
.cta-band { padding-block: 52px; background: var(--c-primary); color: #fff; text-align: center; }
.cta-band h2 { margin-bottom: 0.4em; color: #fff; text-transform: uppercase; }
.cta-band .btn-group { justify-content: center; }
.cta-band .btn--ghost { color: #fff; }
.signup-band { padding-block: 22px; background: var(--c-primary-dark); color: #fff; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.signup-band__inner { display: grid; gap: 14px; align-items: center; }
.signup-band__text { display: flex; align-items: center; gap: 14px; }
.signup-band__text p { margin: 0; font-size: 0.93rem; color: rgba(255, 255, 255, 0.85); }
.signup-band__text strong { display: block; color: #fff; text-transform: uppercase; }
.signup-band__icon { display: grid; place-items: center; flex: none; width: 52px; height: 52px; border-radius: 50%; background: var(--c-accent); color: var(--c-heading); }
.signup-band .btn--ghost { color: #fff; }
.site-footer { padding-top: 48px; background: #fff; color: var(--c-text); font-size: 0.93rem; border-top: 4px solid var(--c-primary); }
.site-footer__grid { display: grid; gap: 28px; }
.site-footer a { color: var(--c-text); text-decoration: none; }
.site-footer a:hover { color: var(--c-primary); }
.site-footer h3 { font-size: 1rem; text-transform: uppercase; color: var(--c-heading); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 9px; }
.site-footer__brand { margin: 14px 0 4px; font-weight: 900; color: var(--c-heading); text-transform: uppercase; }
.site-footer__contact li { display: flex; align-items: flex-start; gap: 8px; }
.site-footer__contact .icon { color: var(--c-primary); margin-top: 2px; }
.site-footer__bottom { margin-top: 36px; padding-block: 16px; padding-bottom: 84px; background: var(--c-primary); color: rgba(255, 255, 255, 0.85); text-align: center; font-size: 0.82rem; }

/* ==========================================================================
   12. Nút liên hệ nổi — mobile: thanh dưới đáy; desktop: nút tròn góc phải
   ========================================================================== */
.float-contact { position: fixed; left: 0; right: 0; bottom: 0; z-index: 200; display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: var(--c-bg); box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.12); }
.float-contact__btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; min-height: 58px; font-size: 0.75rem; font-weight: 700; color: #fff; text-decoration: none; }
.float-contact__btn:hover { color: #fff; }
.float-contact__btn svg { width: 22px; height: 22px; fill: currentColor; }
.float-contact__phone { background: #e60808; }
.float-contact__zalo { background: #0068ff; }
.float-contact__mess { background: #a033ff; }

/* ==========================================================================
   13. Responsive
   ========================================================================== */
@media (min-width: 600px) {
	.gallery { grid-template-columns: repeat(3, 1fr); }
	.form__row { grid-template-columns: 1fr 1fr; }
	.house-grid { grid-template-columns: repeat(2, 1fr); }
	.intro-box__items { grid-template-columns: repeat(4, 1fr); }
	.filter { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
	:root { --gutter: 24px; }
	.topbar__note { display: block; }
	.grid--2 { grid-template-columns: repeat(2, 1fr); }
	.grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
	.split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
	.site-footer__grid { grid-template-columns: 1.6fr 1fr 1fr 1fr; }
	.signup-band__inner { grid-template-columns: 1fr auto; }
	.about { grid-template-columns: 340px 1fr; gap: 36px; }
	.video-wall { grid-template-columns: 1.6fr 1fr; align-items: start; }
	.contact-grid { grid-template-columns: 1fr 1fr; }
	.intro-box, .frame { padding-inline: 32px; }
}
@media (min-width: 1024px) {
	.grid--3 { grid-template-columns: repeat(3, 1fr); }
	.grid--4 { grid-template-columns: repeat(4, 1fr); }
	.gallery { grid-template-columns: repeat(4, 1fr); }
	.house-grid { grid-template-columns: repeat(4, 1fr); }
	.house-grid--3 { grid-template-columns: repeat(3, 1fr); }
	.group__body { grid-template-columns: 280px 1fr; }
	.group--flip .group__body { grid-template-columns: 1fr 280px; }
	.group--flip .group__banner { order: 2; }
	.hero { min-height: 560px; }
	.hero__inner { grid-template-columns: 1fr 360px; gap: 48px; }
	.filter { grid-template-columns: repeat(4, 1fr) auto; }
	.listing__grid { grid-template-columns: minmax(0, 1fr) 360px; align-items: start; }
	.post-layout { grid-template-columns: minmax(0, 1fr) 320px; align-items: stretch; }
	.post-layout .entry { margin: 0; max-width: none; }
	.nav-toggle { display: none; }
	.primary-nav { position: static; transform: none; padding: 0; overflow: visible; background: none; z-index: auto; }
	.primary-nav > div > ul, .primary-nav > ul { display: flex; gap: 2px; }
	.primary-nav a { padding: 10px 11px; border: 0; font-size: 0.93rem; }
	.primary-nav li { position: relative; }
	.primary-nav .sub-menu, .primary-nav .children { position: absolute; top: 100%; left: 0; min-width: 250px; padding: 8px 0; background: var(--c-bg); border-radius: var(--radius-sm); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12); border-top: 3px solid var(--c-primary); opacity: 0; visibility: hidden; transform: translateY(8px); transition: none; }
	.primary-nav li:hover > .sub-menu, .primary-nav li:focus-within > .sub-menu,
	.primary-nav li:hover > .children, .primary-nav li:focus-within > .children { opacity: 1; visibility: visible; transform: none; transition: opacity 0.2s, transform 0.2s; }
	.primary-nav .sub-menu a, .primary-nav .children a { padding: 9px 16px; white-space: nowrap; }
	.primary-nav a { white-space: nowrap; }
	.primary-nav__call { display: none !important; }
	.header-cta { display: inline-flex; margin-left: 4px; }
	.float-contact { left: auto; right: 20px; bottom: 24px; grid-auto-flow: row; gap: 14px; background: none; box-shadow: none; }
	.float-contact__btn { width: 58px; height: 58px; min-height: 0; border-radius: 50%; box-shadow: 0 0 0 6px rgba(255, 255, 255, 0.6), 0 6px 18px rgba(0, 0, 0, 0.2); }
	.float-contact__phone { animation: sn-ring 2s infinite; }
	.float-contact__btn span { display: none; }
	.site-footer__bottom { padding-bottom: 16px; }
}
@media (min-width: 1024px) and (min-height: 700px) {
	.side-sticky, .sidebar__sticky { position: sticky; top: calc(var(--header-h) + 20px); }
}
@keyframes sn-ring {
	0%, 100% { box-shadow: 0 0 0 6px rgba(230, 8, 8, 0.25), 0 6px 18px rgba(0, 0, 0, 0.2); }
	50% { box-shadow: 0 0 0 12px rgba(230, 8, 8, 0.08), 0 6px 18px rgba(0, 0, 0, 0.2); }
}
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}