/* ===========================================================
   SHOPHOUSE KHỐI ĐẾ HAPPY HOME — giao diện trang chủ 2026
   Nâng cấp theo bản thiết kế Claude Design "Nâng cấp giao diện Cloudflare"
   Palette: xanh rêu #17281f/#14261d · vàng đồng #c9a15c · kem #f7f4ec
   Chỉ dùng cho index.html (các trang khác vẫn dùng styles.css cũ)
   =========================================================== */

:root {
  --green-deep: #14261d;
  --green: #17281f;
  --green-footer: #0f1d16;
  --gold: #c9a15c;
  --gold-light: #dbb46e;
  --gold-dark: #8a6a2f;
  --cream: #f7f4ec;
  --ink: #1c2b23;
  --ink-soft: #3c4a42;
  --gray: #5c6b62;
  --gray-faint: #8b9389;
  --light: #f5efe2;
  --light-warm: #f0ead9;
  --light-mute: #d9d3c4;
  --light-dim: #b7b1a0;
  --sage: #9aa89e;
  --line: #e3ddcc;
  --line-gold: rgba(201, 161, 92, 0.25);
  --serif: 'Lora', Georgia, serif;
  --sans: 'Be Vietnam Pro', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; }
a { color: var(--gold-dark); text-decoration: none; transition: color 0.2s, background 0.2s, border-color 0.2s; }
a:hover { color: var(--gold-light); }

.wrap { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

.kicker { margin: 0 0 12px; color: var(--gold-dark); font-size: 12.5px; letter-spacing: 3px; text-transform: uppercase; }
.kicker--gold { color: var(--gold); }
.h2 { margin: 0 0 16px; font-family: var(--serif); font-weight: 500; font-size: 40px; line-height: 1.2; color: var(--ink); }
.lead { margin: 0 0 44px; color: var(--gray); font-size: 16px; line-height: 1.7; max-width: 680px; }
.fineprint { font-size: 13px; color: var(--gray-faint); font-style: italic; }

/* ===================== NAV ===================== */
.hd {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20, 38, 29, 0.96);
  border-bottom: 1px solid var(--line-gold);
}
.hd-in { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--light); }
.brand-mark {
  width: 42px; height: 42px; border: 1px solid var(--gold); flex: none;
  display: grid; place-items: center;
  font-family: var(--serif); font-size: 17px; color: var(--gold); letter-spacing: 1px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 14px; letter-spacing: 2px; color: var(--light); }
.brand-text small { font-size: 11px; letter-spacing: 1.5px; color: var(--gold); text-transform: uppercase; }
.hd-nav { display: flex; align-items: center; gap: 28px; font-size: 13.5px; letter-spacing: 0.3px; }
.hd-nav > a { color: var(--light-mute); }
.hd-nav > a:hover { color: var(--gold); }
.hd-cta {
  cursor: pointer; background: var(--gold); color: var(--green) !important;
  padding: 11px 22px; font-weight: 600; font-size: 13px; letter-spacing: 0.5px;
}
.hd-cta:hover { background: var(--gold-light); }
.nav-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; padding: 8px; cursor: pointer;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--light); display: block; }

/* ===================== HERO ===================== */
.hero {
  position: relative; min-height: 88vh;
  display: flex; align-items: flex-end;
  background: var(--green-deep); overflow: hidden;
}
.hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.55; }
.hero-grad {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,38,29,0.35) 0%, rgba(20,38,29,0.55) 55%, rgba(20,38,29,0.95) 100%);
}
@keyframes heroFade { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.hero-in { position: relative; padding-top: 140px; padding-bottom: 72px; width: 100%; animation: heroFade 0.9s ease both; }
.hero-eyebrow {
  margin: 0 0 18px; display: inline-flex; align-items: center; gap: 10px;
  color: var(--gold); font-size: 12.5px; letter-spacing: 3px; text-transform: uppercase;
  border: 1px solid rgba(201,161,92,0.45); padding: 9px 18px;
}
.hero-title {
  margin: 0 0 22px; font-family: var(--serif); font-weight: 500;
  font-size: clamp(44px, 6vw, 76px); line-height: 1.08; color: #f7f2e6; max-width: 880px;
}
.hero-sub { margin: 0 0 34px; max-width: 620px; font-size: 17px; line-height: 1.7; color: var(--light-mute); }
.hero-sub strong { color: var(--light-warm); }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.btn-gold {
  cursor: pointer; background: var(--gold); color: var(--green) !important;
  padding: 16px 32px; font-weight: 600; font-size: 15px; letter-spacing: 0.4px;
  border: none; font-family: inherit; display: inline-block;
}
.btn-gold:hover { background: var(--gold-light); }
.btn-ghost {
  border: 1px solid rgba(245,239,226,0.5); color: var(--light);
  padding: 16px 32px; font-weight: 500; font-size: 15px; display: inline-block;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(201,161,92,0.3); border: 1px solid rgba(201,161,92,0.3); max-width: 920px;
}
.stat { background: rgba(20,38,29,0.85); padding: 22px 24px; }
.stat b { font-family: var(--serif); font-weight: 400; font-size: 26px; color: var(--gold); display: block; }
.stat span { font-size: 12.5px; color: var(--light-dim); margin-top: 6px; letter-spacing: 0.5px; display: block; }

/* ===================== SECTIONS ===================== */
.sec { padding: 100px 0; }
.sec--cream { background: var(--cream); }
.sec--white { background: #ffffff; }
.sec--dark { background: var(--green); }
.sec--dark .h2 { color: var(--light); }
.sec--dark .lead { color: var(--light-dim); }

/* ===================== GALLERY ===================== */
.sec-gallery { padding: 96px 0; }
.gal { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.gal figure { margin: 0; }
.gal img { width: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.gal-a { grid-column: span 4; }
.gal-b { grid-column: span 2; }
.gal-a img, .gal-b img { height: 420px; }
.gal-c { grid-column: span 2; }
.gal-c img { height: 300px; }
.gal figcaption { font-size: 13px; color: var(--gray); margin-top: 10px; font-style: italic; }
.gal-note { margin: 26px 0 0; }

/* ===================== TỔNG QUAN ===================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
.overview-body { margin: 0 0 36px; color: var(--gray); font-size: 16px; line-height: 1.8; }
.overview-body strong { color: var(--ink); }
.h3-serif { margin: 0 0 20px; font-family: var(--serif); font-weight: 500; font-size: 22px; color: var(--ink); }
.bullets { display: flex; flex-direction: column; gap: 14px; }
.bullet { display: flex; gap: 14px; align-items: baseline; }
.bullet .dot { color: var(--gold); font-size: 15px; flex: none; }
.bullet p { margin: 0; font-size: 15px; line-height: 1.7; color: var(--ink-soft); }
.info-card { background: var(--green); padding: 44px 40px; position: sticky; top: 100px; }
.info-card h3 { margin: 0 0 28px; font-family: var(--serif); font-weight: 500; font-size: 22px; color: var(--gold); }
.info-rows { display: flex; flex-direction: column; }
.info-row {
  display: grid; grid-template-columns: 140px 1fr; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid rgba(201,161,92,0.2);
}
.info-row:last-child { border-bottom: none; }
.info-row .k { font-size: 13px; color: var(--sage); letter-spacing: 0.5px; }
.info-row .v { font-size: 14.5px; color: var(--light-warm); line-height: 1.6; }
.info-cta {
  cursor: pointer; display: block; width: 100%; text-align: center; margin-top: 28px;
  background: var(--gold); color: var(--green) !important; padding: 15px;
  font-weight: 600; font-size: 14.5px; border: none; font-family: inherit;
}
.info-cta:hover { background: var(--gold-light); }

/* ===================== VỊ TRÍ ===================== */
.loc-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px;
  background: var(--line-gold); border: 1px solid var(--line-gold);
  margin-top: 52px;
}
.loc { background: var(--green); padding: 36px 32px; transition: background 0.25s; }
.loc:hover { background: #1d3226; }
.loc-num { font-family: var(--serif); font-size: 15px; color: var(--gold); letter-spacing: 2px; margin-bottom: 14px; }
.loc h3 { margin: 0 0 10px; font-size: 18px; font-weight: 600; color: var(--light-warm); }
.loc p { margin: 0; font-size: 14.5px; line-height: 1.7; color: var(--sage); }

/* ===================== PHÂN KHU ===================== */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; margin-top: 56px; }
.plan { background: #ffffff; border: 1px solid var(--line); padding: 38px 34px; display: flex; flex-direction: column; }
.plan-tag { font-size: 11.5px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold-dark); }
.plan h3 { margin: 12px 0 22px; font-family: var(--serif); font-weight: 500; font-size: 26px; color: var(--ink); }
.plan-feats { display: flex; flex-direction: column; gap: 12px; flex: 1; }
.plan-feats p { margin: 0; font-size: 14.5px; color: var(--ink-soft); display: flex; gap: 10px; }
.plan-feats .dot { color: var(--gold); flex: none; }
.plan-price { margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--line); display: flex; align-items: baseline; gap: 8px; }
.plan-price .from { font-size: 13px; color: var(--gray); }
.plan-price .num { font-family: var(--serif); font-size: 30px; color: var(--green); }
.plan-price .vat { font-size: 12px; color: var(--gray-faint); }
.plan-cta {
  cursor: pointer; margin-top: 20px; text-align: center;
  border: 1px solid var(--green); background: transparent; color: var(--green);
  padding: 13px; font-weight: 600; font-size: 14px; font-family: inherit;
}
.plan-cta:hover { background: var(--green); color: var(--light); }
.plan--featured {
  background: var(--green); border: none; position: relative;
  box-shadow: 0 24px 48px -20px rgba(23,40,31,0.5);
}
.plan--featured .plan-tag { color: var(--gold); }
.plan--featured h3 { color: var(--light); }
.plan--featured .plan-feats p { color: var(--light-mute); }
.plan--featured .plan-price { border-top-color: rgba(201,161,92,0.3); }
.plan--featured .plan-price .from, .plan--featured .plan-price .vat { color: var(--sage); }
.plan--featured .plan-price .num { color: var(--gold); }
.plan-badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--green);
  font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 16px; white-space: nowrap;
}
.plan-cta--gold { border: none; background: var(--gold); color: var(--green); }
.plan-cta--gold:hover { background: var(--gold-light); color: var(--green); }
.plans-note { margin: 30px auto 0; max-width: 760px; text-align: center; font-size: 13.5px; }

/* ===================== BẢNG GIÁ ===================== */
.price-img { width: 100%; display: block; border: 1px solid var(--line); }
.price-note { margin: 20px 0 0; }
.banghang-cta {
  margin-top: 44px; background: var(--green); padding: 44px 48px;
  display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center;
}
.banghang-cta h3 { margin: 0 0 12px; font-family: var(--serif); font-weight: 500; font-size: 26px; color: var(--light); }
.banghang-cta p { margin: 0; font-size: 15px; line-height: 1.7; color: var(--light-dim); max-width: 640px; }
.banghang-cta .btn-gold { white-space: nowrap; }

/* ===================== FAQ ===================== */
.faq-wrap { max-width: 880px; margin: 0 auto; padding: 0 28px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #ffffff; border: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; padding: 22px 28px; font-weight: 600; font-size: 16px; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .mark { color: var(--gold); flex: none; transition: transform 0.2s; }
.faq-item[open] summary .mark { transform: rotate(45deg); }
.faq-item p { margin: 0; padding: 0 28px 24px; font-size: 15px; line-height: 1.8; color: var(--gray); }
.center { text-align: center; }
.h2--center { text-align: center; margin-left: auto; margin-right: auto; }

/* ===================== TIN TỨC ===================== */
.news-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 44px; flex-wrap: wrap; }
.news-all { font-size: 14.5px; font-weight: 600; border-bottom: 1px solid var(--gold); padding-bottom: 3px; }
.news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card {
  background: var(--cream); border: 1px solid var(--line); padding: 30px 28px;
  display: flex; flex-direction: column; gap: 12px; color: inherit;
}
.news-card:hover { border-color: var(--gold); color: inherit; }
.news-card .tag { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold-dark); }
.news-card strong { font-size: 17px; line-height: 1.5; color: var(--ink); }
.news-card .desc { font-size: 14px; line-height: 1.7; color: var(--gray); }
.news-card .more { margin-top: auto; font-size: 13.5px; font-weight: 600; color: var(--gold-dark); }

/* ===================== LIÊN HỆ ===================== */
.sec-contact { background: var(--green-deep); position: relative; overflow: hidden; }
.contact-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.14; }
.sec-contact .split { position: relative; align-items: center; }
.contact-rows { display: flex; flex-direction: column; gap: 16px; }
.contact-row { display: flex; align-items: center; gap: 16px; border: 1px solid rgba(201,161,92,0.35); padding: 18px 22px; }
.contact-row .k { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold); min-width: 70px; }
.contact-row a { color: var(--light); font-size: 17px; font-weight: 600; }
.contact-row a:hover { color: var(--gold); }
.contact-dev { margin: 28px 0 0; font-size: 14px; color: var(--sage); }
.contact-dev strong { color: var(--light-mute); }
.reg-card { background: var(--cream); padding: 44px 40px; display: flex; flex-direction: column; gap: 18px; }
.reg-card h3 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: 24px; color: var(--ink); }
.reg-card > p { margin: 0; font-size: 14.5px; line-height: 1.8; color: var(--gray); }
.checklist { display: flex; flex-direction: column; gap: 12px; }
.checklist p { margin: 0; font-size: 14.5px; line-height: 1.7; color: var(--ink-soft); display: flex; gap: 10px; }
.checklist .tick { color: var(--gold); flex: none; }
.reg-cta {
  cursor: pointer; text-align: center; background: var(--green); color: var(--light);
  padding: 16px; font-weight: 600; font-size: 15px; letter-spacing: 0.5px;
  border: none; font-family: inherit;
}
.reg-cta:hover { background: var(--gold); color: var(--green); }
.reg-fine { margin: 0; font-size: 12px; color: var(--gray-faint); text-align: center; }

/* ===================== FOOTER ===================== */
.ft { background: var(--green-footer); padding: 64px 0 40px; }
.ft-top {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(201,161,92,0.18);
}
.ft-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.ft-brand strong { font-size: 14px; letter-spacing: 2px; color: var(--light); }
.ft p.ft-desc { margin: 0; font-size: 14px; line-height: 1.8; color: #8b9a90; max-width: 420px; }
.ft-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; font-size: 14px; align-content: start; }
.ft-nav a { color: var(--light-dim); }
.ft-nav a:hover { color: var(--gold); }
.ft-legal { margin: 28px 0 0; font-size: 12.5px; line-height: 1.8; color: #6c7a71; max-width: 980px; }
.ft-legal strong { color: var(--sage); }
.ft-copy { margin: 16px 0 0; font-size: 12.5px; color: #6c7a71; }

/* ===================== FLOATING CONTACT ===================== */
.float-contact { position: fixed; right: 22px; bottom: 22px; z-index: 60; display: flex; flex-direction: column; gap: 12px; }
.float-btn {
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center; font-size: 13px; font-weight: 700; letter-spacing: 0.5px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.3);
}
.float-btn--call { background: var(--gold); color: var(--green) !important; }
.float-btn--call:hover { background: var(--gold-light); }
.float-btn--zalo { background: var(--green); color: var(--gold) !important; border: 1px solid var(--gold); font-size: 12px; }
.float-btn--zalo:hover { background: #1d3226; }

/* ===================== MODAL ===================== */
.modal {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,29,22,0.82);
  display: none; place-items: center; padding: 24px; overflow-y: auto;
}
.modal.open { display: grid; }
.modal-box {
  background: var(--cream); width: 100%; max-width: 500px;
  padding: 42px 40px 34px; position: relative;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.5);
}
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 38px; height: 38px;
  border: none; background: transparent; color: var(--gray);
  font-size: 18px; cursor: pointer; font-family: inherit;
}
.modal-close:hover { color: var(--ink); }
.modal-kicker { margin: 0 0 8px; color: var(--gold-dark); font-size: 11.5px; letter-spacing: 2.5px; text-transform: uppercase; }
.modal-box h3 { margin: 0 0 8px; font-family: var(--serif); font-weight: 500; font-size: 26px; color: var(--ink); }
.modal-sub { margin: 0 0 22px; font-size: 14px; line-height: 1.7; color: var(--gray); }
.modal-form { display: flex; flex-direction: column; gap: 15px; }
.modal-form label { display: flex; flex-direction: column; gap: 7px; font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.modal-form input, .modal-form select {
  border: 1px solid #d5cdb8; background: #ffffff; padding: 13px 15px;
  font-size: 15px; font-family: inherit; color: var(--ink); outline: none; border-radius: 0;
  -webkit-appearance: none; appearance: none;
}
.modal-form select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235c6b62'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center;
}
.modal-form input:focus, .modal-form select:focus { border-color: var(--gold); }
.modal-submit {
  background: var(--green); color: var(--light); border: none; padding: 16px;
  font-size: 15px; font-weight: 600; font-family: inherit; cursor: pointer; letter-spacing: 0.5px;
  transition: background 0.2s, color 0.2s;
}
.modal-submit:hover { background: var(--gold); color: var(--green); }
.modal-submit[disabled] { opacity: 0.6; cursor: wait; }
.form-msg { margin: 0; font-size: 13.5px; text-align: center; min-height: 0; }
.form-msg.ok { color: #2e7d4f; }
.form-msg.err { color: #b3462e; }
.modal-alt { display: flex; gap: 10px; margin-top: 16px; }
.modal-alt a { flex: 1; text-align: center; padding: 12px; font-weight: 600; font-size: 13.5px; }
.modal-alt .alt-call { border: 1px solid var(--green); color: var(--green); }
.modal-alt .alt-call:hover { background: var(--green); color: var(--light); }
.modal-alt .alt-zalo { border: 1px solid var(--gold-dark); color: var(--gold-dark); }
.modal-alt .alt-zalo:hover { background: var(--gold-dark); color: var(--cream); }
.modal-fine { margin: 16px 0 0; font-size: 11.5px; color: var(--gray-faint); text-align: center; }

/* ===================== LIGHTBOX ===================== */
.lightbox {
  position: fixed; inset: 0; z-index: 110; background: rgba(15,29,22,0.92);
  display: none; place-items: center; padding: 30px;
}
.lightbox.open { display: grid; }
.lightbox img { max-width: 100%; max-height: 90vh; object-fit: contain; }
.lightbox-close {
  position: absolute; top: 16px; right: 16px; width: 44px; height: 44px;
  border: none; background: transparent; color: var(--light); font-size: 22px; cursor: pointer;
}

/* ===================== REVEAL ===================== */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .reveal.in { opacity: 1; transform: none; }
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1080px) {
  .split { grid-template-columns: 1fr; gap: 48px; }
  .info-card { position: static; }
  .loc-grid { grid-template-columns: 1fr 1fr; }
  .news { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .sec { padding: 72px 0; }
  .sec-gallery { padding: 72px 0; }
  .h2 { font-size: 32px; }
  .gal { grid-template-columns: 1fr 1fr; }
  .gal-a, .gal-b, .gal-c { grid-column: auto; }
  .gal-a { grid-column: 1 / -1; }
  .gal-a img { height: 320px; }
  .gal-b img, .gal-c img { height: 240px; }
  .plans { grid-template-columns: 1fr; gap: 30px; }
  .banghang-cta { grid-template-columns: 1fr; padding: 36px 30px; gap: 24px; }
  .hd-nav {
    position: fixed; inset: 72px 0 auto 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--green-deep); border-bottom: 1px solid var(--line-gold);
    padding: 10px 0 18px; display: none;
  }
  .hd-nav.open { display: flex; }
  .hd-nav > a { padding: 14px 28px; font-size: 15px; }
  .hd-cta { margin: 10px 28px 0; text-align: center; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
  .brand-text strong { font-size: 11.5px; letter-spacing: 1.2px; }
  .brand-text small { font-size: 9px; letter-spacing: 1px; }
  .brand-mark { width: 36px; height: 36px; font-size: 15px; }
  .hero-in { padding-top: 110px; padding-bottom: 56px; }
  .hero-cta .btn-gold, .hero-cta .btn-ghost { width: 100%; text-align: center; }
  .stats { grid-template-columns: 1fr 1fr; }
  .loc-grid { grid-template-columns: 1fr; }
  .news { grid-template-columns: 1fr; }
  .info-card { padding: 34px 26px; }
  .info-row { grid-template-columns: 110px 1fr; }
  .reg-card { padding: 34px 26px; }
  .modal-box { padding: 36px 26px 28px; }
  .ft-top { grid-template-columns: 1fr; gap: 36px; }
  .gal-b img, .gal-c img { height: 200px; }
}

/* ===========================================================
   TRANG CON (bảng hàng · tin tức · bài viết · chính sách · 404)
   =========================================================== */

.container { max-width: 1240px; margin: 0 auto; padding: 0 28px; }

/* ---- Page hero (nền xanh đậm, breadcrumb) ---- */
.page-hero { background: var(--green); padding: 72px 0 64px; }
.breadcrumb { margin: 0 0 22px; font-size: 13px; color: var(--sage); }
.breadcrumb a { color: var(--gold); }
.breadcrumb span { margin: 0 10px; color: var(--gray); }
.page-hero h1 {
  margin: 0 0 20px; font-family: var(--serif); font-weight: 500;
  font-size: clamp(36px, 4.5vw, 54px); line-height: 1.15; color: #f7f2e6; max-width: 900px;
}
.page-sub { margin: 0; max-width: 720px; font-size: 16px; line-height: 1.8; color: var(--light-dim); }
.page-sub strong { color: #f0e6cf; }
.article-meta { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 22px; font-size: 13.5px; color: var(--sage); }
.page-stats {
  margin-top: 40px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: rgba(201,161,92,0.3); border: 1px solid rgba(201,161,92,0.3); max-width: 920px;
}
.page-stats .stat { background: #1d3226; padding: 20px 24px; }
.page-stats .stat b { font-size: 24px; }

/* ---- Bảng hàng ---- */
.unit-block { margin-bottom: 64px; }
.unit-block-head {
  display: flex; align-items: baseline; gap: 16px;
  border-bottom: 1px solid #d5cdb8; padding-bottom: 16px; margin-bottom: 26px;
}
.unit-block-head h2 { margin: 0; font-family: var(--serif); font-weight: 500; font-size: 30px; color: var(--ink); }
.unit-block-head span { font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--gold-dark); }
.unit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.unit-card {
  margin: 0; background: #ffffff; border: 1px solid var(--line); cursor: zoom-in;
  display: flex; flex-direction: column; transition: border-color 0.2s, box-shadow 0.2s;
}
.unit-card:hover { border-color: var(--gold); box-shadow: 0 12px 28px -14px rgba(23,40,31,0.3); }
.unit-card img { width: 100%; height: 180px; object-fit: cover; display: block; background: #e9e4d6; }
.unit-noimg {
  height: 180px; display: grid; place-items: center;
  background: repeating-linear-gradient(45deg, #eee9dc 0px, #eee9dc 12px, #e7e1d1 12px, #e7e1d1 24px);
  color: var(--gold-dark); font-size: 12.5px; text-align: center; padding: 0 20px; line-height: 1.6;
}
.unit-card figcaption { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; }
.unit-code { font-size: 15.5px; color: var(--green); letter-spacing: 0.3px; font-weight: 700; }
.unit-meta { display: flex; gap: 14px; font-size: 13.5px; color: var(--gray); }
.unit-meta b { color: var(--ink-soft); }
.unit-total {
  display: flex; align-items: baseline; gap: 7px;
  border-top: 1px solid #efe9da; padding-top: 10px; margin-top: 2px;
  font-family: var(--serif); font-size: 20px; color: var(--gold-dark);
}
.unit-total small { font-family: var(--sans); font-size: 11.5px; color: var(--gray-faint); }

/* ---- Lightbox căn (ảnh + thanh thông tin) ---- */
.ulb {
  position: fixed; inset: 0; z-index: 90; background: rgba(15,29,22,0.88);
  display: none; place-items: center; padding: 32px; cursor: zoom-out; overflow-y: auto;
}
.ulb.open { display: grid; }
.ulb-box { max-width: 980px; width: 100%; cursor: default; }
.ulb-box img { width: 100%; max-height: 74vh; object-fit: contain; display: block; background: var(--green-footer); }
.ulb-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  background: var(--cream); padding: 16px 22px; flex-wrap: wrap;
}
.ulb-info { display: flex; gap: 22px; align-items: baseline; flex-wrap: wrap; }
.ulb-info strong { font-size: 17px; color: var(--green); }
.ulb-info .m { font-size: 14px; color: var(--gray); }
.ulb-info .t { font-family: var(--serif); font-size: 19px; color: var(--gold-dark); }
.ulb-cta {
  cursor: pointer; background: var(--green); color: var(--light); border: none;
  padding: 12px 22px; font-weight: 600; font-size: 13.5px; font-family: inherit;
}
.ulb-cta:hover { background: var(--gold); color: var(--green); }

/* ---- Tin tức ---- */
.featured-card {
  display: grid; grid-template-columns: 1.15fr 1fr; background: #ffffff;
  border: 1px solid var(--line); color: inherit; overflow: hidden;
}
.featured-card:hover { border-color: var(--gold); color: inherit; }
.featured-card img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; display: block; }
.featured-body { padding: 44px 42px; display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.featured-body .tag { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--gold-dark); }
.featured-body strong { font-family: var(--serif); font-weight: 500; font-size: 28px; line-height: 1.35; color: var(--ink); }
.featured-body .desc { font-size: 15px; line-height: 1.75; color: var(--gray); }
.featured-body .more { font-size: 14px; font-weight: 600; color: var(--gold-dark); }

/* ---- CTA giữa/cuối trang (nền xanh, canh giữa) ---- */
.cta-dark { background: var(--green-deep); padding: 88px 0; }
.cta-dark .inner { max-width: 880px; margin: 0 auto; padding: 0 28px; text-align: center; }
.cta-dark h2 { margin: 0 0 18px; font-family: var(--serif); font-weight: 500; font-size: 38px; line-height: 1.2; color: var(--light); }
.cta-dark p { margin: 0 auto 34px; color: var(--light-dim); font-size: 16px; line-height: 1.8; max-width: 640px; }
.cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-goldline { border: 1px solid rgba(201,161,92,0.5); color: var(--gold); padding: 16px 32px; font-weight: 500; font-size: 15px; display: inline-block; }
.btn-goldline:hover { border-color: var(--gold); background: rgba(201,161,92,0.12); color: var(--gold); }
.cta-dark .dev-note { margin: 30px 0 0; font-size: 14px; color: var(--sage); }
.cta-dark .dev-note strong { color: var(--light-mute); }

/* ---- Nội dung bài viết ---- */
.section { padding: 72px 0; }
.article-body { max-width: 860px; }
.article-body > p, .article-body li { font-size: 16px; line-height: 1.85; color: var(--ink-soft); }
.article-body > p { margin: 0 0 20px; }
.article-body h2 { margin: 44px 0 18px; font-family: var(--serif); font-weight: 500; font-size: 30px; line-height: 1.3; color: var(--ink); }
.article-body h3 { margin: 30px 0 14px; font-size: 20px; font-weight: 600; color: var(--ink); }
.article-body strong { color: var(--ink); }
.article-body img { width: 100%; height: auto; display: block; border: 1px solid var(--line); margin: 8px 0 10px; }
.article-body figure { margin: 26px 0; }
.article-body figcaption { font-size: 13px; color: var(--gray-faint); font-style: italic; margin-top: 8px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 22px 0 26px; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; vertical-align: top; line-height: 1.6; }
.article-body th { background: var(--green); color: var(--light-warm); font-weight: 600; }
.article-body tr:nth-child(even) td { background: #fcfaf4; }
.key-facts { background: #ffffff; border: 1px solid var(--line); border-left: 3px solid var(--gold); padding: 26px 30px; margin: 28px 0; }
.key-facts h3 { margin: 0 0 12px; font-family: var(--serif); font-weight: 500; font-size: 20px; color: var(--ink); }
.key-facts ul { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 8px; }
.cta-box { background: var(--green); padding: 34px 36px; margin: 36px 0; }
.cta-box h3 { margin: 0 0 10px; font-family: var(--serif); font-weight: 500; font-size: 22px; color: var(--gold); }
.cta-box p { margin: 0 0 22px; font-size: 15px; line-height: 1.75; color: var(--light-mute); }
.cta-box .btn { margin-right: 12px; }
.cta-tel { display: inline-block; margin-top: 14px; font-size: 14px; color: var(--light-dim); }
.cta-tel:hover { color: var(--gold); }
.faq { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.faq details { background: #ffffff; border: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 15.5px; color: var(--ink); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "＋"; float: right; color: var(--gold); }
.faq details[open] summary::after { content: "－"; }
.faq details p { margin: 0; padding: 0 22px 20px; font-size: 15px; line-height: 1.8; color: var(--gray); }

/* ---- Nút chung (markup cũ trong bài dùng .btn) ---- */
.btn { display: inline-block; padding: 15px 30px; font-weight: 600; font-size: 14.5px; letter-spacing: 0.3px; cursor: pointer; }
.btn.btn-gold { background: var(--gold); color: var(--green); }
.btn.btn-gold:hover { background: var(--gold-light); color: var(--green); }
.btn-block { display: block; width: 100%; text-align: center; border: none; font-family: inherit; font-size: 15px; }
.center { text-align: center; }

/* ---- Form trong bài viết ---- */
.article-form, .lead-form {
  background: #ffffff; border: 1px solid var(--line); border-top: 3px solid var(--gold);
  padding: 36px 34px; margin: 48px 0 0; max-width: 860px;
}
.article-form h3, .lead-form h3 { margin: 0 0 8px; font-family: var(--serif); font-weight: 500; font-size: 24px; color: var(--ink); }
.af-sub { margin: 0 0 20px; font-size: 14.5px; line-height: 1.7; color: var(--gray); }
.af-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 15px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.field input, .field select, .field textarea {
  border: 1px solid #d5cdb8; background: #ffffff; padding: 13px 15px;
  font-size: 15px; font-family: inherit; color: var(--ink); outline: none; border-radius: 0;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--gold); }
.form-fine { margin: 12px 0 0; font-size: 11.5px; color: var(--gray-faint); text-align: center; }

/* ---- Bài liên quan ---- */
.related { margin: 48px 0 0; max-width: 860px; }
.related h3 { margin: 0 0 16px; font-family: var(--serif); font-weight: 500; font-size: 22px; color: var(--ink); }
.related-list { display: flex; flex-direction: column; }
.related-list a {
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-size: 15px; font-weight: 500; color: var(--ink-soft);
}
.related-list a:hover { color: var(--gold-dark); }

/* ---- Responsive trang con ---- */
@media (max-width: 900px) {
  .unit-grid { grid-template-columns: 1fr 1fr; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card img { min-height: 240px; max-height: 320px; }
  .featured-body { padding: 30px 26px; }
  .page-stats { grid-template-columns: 1fr 1fr; }
  .cta-dark h2 { font-size: 30px; }
}
@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .unit-grid { grid-template-columns: 1fr; }
  .af-row { grid-template-columns: 1fr; }
  .article-form, .lead-form { padding: 28px 22px; }
  .cta-box { padding: 26px 22px; }
  .article-body table { display: block; overflow-x: auto; }
}