/* Dùng chung cho mục "Tin tức" (/tin-tuc/) — tái sử dụng đúng token màu/font của trang chủ
   crownpalace-web/public/index.html để không lệch nhận diện thương hiệu. Tách file riêng (thay
   vì copy nguyên khối <style> vào từng bài) vì mục tin tức có nhiều trang, sửa 1 chỗ áp dụng
   toàn bộ thay vì phải sửa lặp lại ở từng file. */
:root{
  --gold:#c19a2e;--gold2:#e0c264;--wine:#7c1d2b;--wine2:#9e2740;--navy:#20304f;
  --ink:#1e2330;--soft:#57606f;--mut:#98a0ad;--line:#eee7d8;--cream:#fbf8f1;--bg:#ffffff;
  --shadow:0 20px 55px -24px rgba(35,30,20,.28);--shadowsm:0 10px 30px -18px rgba(35,30,20,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Be Vietnam Pro',system-ui,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{line-height:1.16}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.eyebrow{font-size:12.5px;letter-spacing:3px;text-transform:uppercase;color:var(--gold);font-weight:700}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-family:inherit;font-weight:600;font-size:15px;padding:14px 26px;border-radius:999px;transition:.22s}
.btn-gold{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#402f06;box-shadow:0 12px 26px -12px rgba(193,154,46,.85)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(193,154,46,.9)}
.btn-ol{background:#fff;border:1.5px solid var(--line);color:var(--soft)}
.btn-ol:hover{border-color:var(--gold);color:var(--ink)}

/* HEADER — y hệt trang chủ để chuyển qua lại không cảm giác "trang khác web" */
header.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:.3s;background:rgba(255,255,255,.97);box-shadow:0 6px 24px -14px rgba(35,30,20,.4);backdrop-filter:blur(10px)}
header.nav .bar{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--gold2),var(--gold));display:grid;place-items:center;font-size:23px;box-shadow:0 8px 18px -7px rgba(193,154,46,.9)}
.brand b{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:.3px;line-height:1}
.brand small{display:block;font-size:9.5px;letter-spacing:2.5px;text-transform:uppercase;color:var(--wine);font-weight:700;margin-top:3px}
.menu{display:flex;align-items:center;gap:26px}
.menu a{color:var(--soft);font-size:14.5px;font-weight:500;position:relative}
.menu a:hover,.menu a.cur{color:var(--ink)}
.menu a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--gold);transition:.25s}
.menu a:hover::after,.menu a.cur::after{width:100%}
.navcta{display:flex;align-items:center;gap:14px}
.navphone{color:var(--wine);font-weight:700;font-size:14px;display:flex;align-items:center;gap:7px;white-space:nowrap}
.burger{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:24px;height:2px;background:var(--ink);border-radius:2px}
@media(max-width:760px){
  .menu,.navphone{display:none}.burger{display:flex}
  .menu.open{display:flex;position:absolute;top:68px;right:22px;left:22px;flex-direction:column;background:#fff;padding:18px;border-radius:14px;box-shadow:var(--shadow);gap:14px}
  .menu.open a{color:var(--ink)}
}

/* BREADCRUMB */
.crumb{padding:132px 0 0}
.crumb .wrap{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--mut)}
.crumb a{color:var(--wine);font-weight:600}
.crumb a:hover{text-decoration:underline}

/* HERO TIN TỨC (trang mục lục) */
.blog-hero{padding:36px 0 46px;background:var(--cream);border-bottom:1px solid var(--line)}
.blog-hero h1{font-size:clamp(30px,4.6vw,46px);color:var(--ink);margin:12px 0 14px}
.blog-hero p{color:var(--soft);font-size:16.5px;max-width:62ch}

/* LƯỚI BÀI VIẾT */
.post-grid{padding:56px 0 90px;display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadowsm);transition:.28s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold2)}
/* aspect-ratio khớp đúng tỉ lệ thật của ảnh gốc (16:9) thay vì ép height cố định — object-fit:cover
   khi đó không cắt mất nội dung ảnh vì khung và ảnh cùng tỉ lệ, chỉ đơn thuần scale vừa khít. */
.post-card .pic{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy),#0e1526);overflow:hidden}
.post-card .pic img{width:100%;height:100%;object-fit:cover;transition:.5s}
.post-card:hover .pic img{transform:scale(1.07)}
.post-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.post-card .cat{color:var(--wine);font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.post-card h2{font-size:19.5px;color:var(--ink);margin-bottom:10px}
.post-card p{color:var(--soft);font-size:14px;flex:1;margin-bottom:14px}
.post-card .more{color:var(--wine);font-weight:700;font-size:14px}
@media(max-width:940px){.post-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.post-grid{grid-template-columns:1fr}}

/* BÀI VIẾT — TYPOGRAPHY */
.post-hero{padding:20px 0 40px}
.post-hero .cat{color:var(--wine);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:1.5px}
.post-hero h1{font-size:clamp(28px,4.4vw,44px);color:var(--ink);margin:12px 0 16px}
.post-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--mut);font-size:13.5px}
.post-cover{margin:0 0 44px}
/* Cùng lý do như .post-card .pic — khung khớp tỉ lệ thật 16:9 của ảnh gốc, không cắt ảnh. */
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
.post-body{max-width:760px;margin:0 auto;padding:0 0 30px}
.post-body h2{font-size:26px;color:var(--ink);margin:38px 0 16px}
.post-body h3{font-size:20px;color:var(--ink);margin:26px 0 12px}
.post-body p{color:var(--soft);font-size:16.5px;margin-bottom:18px}
.post-body ul,.post-body ol{color:var(--soft);font-size:16.5px;margin:0 0 18px 22px}
.post-body li{margin-bottom:9px}
.post-body a{color:var(--wine);font-weight:700;text-decoration:underline;text-decoration-color:rgba(124,29,43,.35);text-underline-offset:3px}
.post-body a:hover{text-decoration-color:var(--wine)}
.post-body strong{color:var(--ink)}
.post-body figure{margin:30px 0}
.post-body figure img{border-radius:18px;box-shadow:var(--shadowsm)}
.post-body figcaption{color:var(--mut);font-size:13px;margin-top:8px;text-align:center}

/* HỘP CTA TRONG BÀI */
.post-cta{max-width:760px;margin:38px auto;background:linear-gradient(120deg,var(--wine),var(--navy));border-radius:20px;padding:30px 32px;color:#fff;text-align:center}
.post-cta h3{font-size:21px;margin-bottom:8px}
.post-cta p{color:rgba(255,255,255,.88);font-size:14.5px;margin-bottom:18px}

/* FAQ NHỎ TRONG BÀI (tái dùng pattern <details> của trang chủ) */
.post-faq{max-width:760px;margin:0 auto 20px;display:flex;flex-direction:column;gap:10px}
.post-faq details{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:0}
.post-faq summary{list-style:none;cursor:pointer;padding:16px 20px;font-weight:700;color:var(--ink);font-size:15px}
.post-faq summary::-webkit-details-marker{display:none}
.post-faq p{padding:0 20px 16px;color:var(--soft);font-size:14.5px;margin:0}

/* BÀI LIÊN QUAN */
.related{background:var(--cream);border-top:1px solid var(--line);padding:56px 0 70px}
.related h2{font-size:24px;color:var(--ink);margin-bottom:24px;text-align:center}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto}
@media(max-width:860px){.related-grid{grid-template-columns:1fr}}

/* FOOTER — y hệt trang chủ */
footer{background:#141a2b;color:rgba(255,255,255,.68);padding:54px 0 24px}
footer .top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr 1.2fr;gap:28px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
footer h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:15px}
footer a{display:block;color:rgba(255,255,255,.62);font-size:14px;margin-bottom:9px}
footer a:hover{color:var(--gold2)}
footer .bot{display:flex;justify-content:space-between;align-items:center;padding-top:20px;font-size:12.5px;color:rgba(255,255,255,.45);flex-wrap:wrap;gap:10px}
@media(max-width:760px){footer .top{grid-template-columns:1fr 1fr}}