/*
Theme Name: Địa Ốc Hồng Oanh
Description: Giao diện web tin tức – dự án cho Địa Ốc Hồng Oanh, cùng phong cách diaochongoanh.com. Màu đổi bằng option mg_mau_thuong_hieu.
Version: 1.0
Author: Địa Ốc Hồng Oanh
*/

:root{
  --chinh:#A3141E;      /* đỏ đô — màu thương hiệu */
  --dam:#5A0F14;        /* đỏ đậm */
  --nga:#F3E3DF;        /* trắng ngà */
  --champ:#E8C9A8;      /* champagne — chỉ dùng để nhấn */
  --chu:#2b2f36;
  --mo:#6b6f76;
  --vien:#eee4e1;
  --nen-nhat:#faf6f5;
  --tieu:Montserrat,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Lora,Georgia,serif;color:var(--chu);background:#fff;font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.khung{max-width:1200px;margin:0 auto;padding:0 20px}
.ic{width:1em;height:1em;vertical-align:-.13em;flex:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* ---- Dải đỏ trên cùng ---- */
.dai-tren{background:linear-gradient(90deg,var(--dam),var(--chinh) 55%);color:#fff;font-family:var(--tieu);font-size:.88rem}
.dai-tren .khung{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:12px}
.dai-tren .hotline b{font-weight:700;margin-right:4px}
.dai-tren .hotline a{font-weight:700;letter-spacing:.02em}
.dai-tren .mxh{display:flex;align-items:center;gap:16px}
.dai-tren .mxh a{opacity:.92;display:inline-flex;align-items:center;gap:6px}
.dai-tren .mxh a:hover{opacity:1;color:var(--champ)}
.dai-tren .mxh .ic{width:17px;height:17px}

/* ---- Đầu trang ---- */
.dau{background:#fff;position:sticky;top:0;z-index:50;box-shadow:0 2px 14px rgba(90,15,20,.08)}
.dau .khung{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:20px}
.logo img{height:66px;width:auto}
.menu{display:flex;gap:30px;align-items:center}
.menu a{font-size:1.02rem;text-transform:uppercase;letter-spacing:.03em;color:#333;position:relative;padding:6px 0;white-space:nowrap}
.menu a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--chinh);transform:scaleX(0);transition:transform .25s}
.menu a:hover,.menu a.dang-o{color:var(--chinh)}
.menu a:hover::after,.menu a.dang-o::after{transform:scaleX(1)}
.mo-menu,.nut-menu{display:none}

/* ---- Ảnh đầu trang ---- */
.hero{position:relative;color:#fff;min-height:540px;display:flex;align-items:center;
  background:linear-gradient(90deg,rgba(90,15,20,.95) 0%,rgba(163,20,30,.86) 38%,rgba(163,20,30,.35) 66%,rgba(163,20,30,.05) 100%),var(--anh-hero) center 30%/cover no-repeat}
.hero .khung{width:100%;padding-top:64px;padding-bottom:64px}
.hero .nhan{font-family:var(--tieu);font-weight:700;font-size:.92rem;letter-spacing:.14em;text-transform:uppercase;color:var(--champ);margin:0 0 14px}
.hero h1{font-family:var(--tieu);font-weight:800;font-size:3.3rem;line-height:1.12;letter-spacing:-.01em;text-transform:uppercase;margin:0;max-width:13ch;text-shadow:0 2px 10px rgba(0,0,0,.25)}
.hero .gach{display:block;width:110px;height:2px;background:var(--champ);opacity:.8;margin:24px 0 20px}
.hero .phu{font-size:1.15rem;color:var(--nga);max-width:40ch;margin:0 0 30px}
.nut-hang{display:flex;flex-wrap:wrap;gap:14px}
.nut{display:inline-flex;align-items:center;gap:8px;font-family:var(--tieu);font-weight:700;font-size:.98rem;padding:13px 26px;border-radius:6px;background:var(--chinh);color:#fff;border:2px solid var(--chinh);transition:transform .15s,background .2s}
.nut:hover{transform:translateY(-1px)}
.nut-champ{background:var(--champ);border-color:var(--champ);color:var(--dam)}
.nut-champ:hover{background:#f0d8bf}
.nut-vien{background:transparent;border-color:rgba(255,255,255,.85);color:#fff}
.nut-vien:hover{background:rgba(255,255,255,.12)}
.nut-nhat{background:#fff;color:var(--chinh)}

/* ---- Tiêu đề khối ---- */
.tieu-de{font-family:var(--tieu);font-weight:800;font-size:2.05rem;color:var(--chinh);text-transform:uppercase;text-align:center;margin:0 0 8px;letter-spacing:.01em}
.tieu-phu{text-align:center;color:var(--mo);margin:0 auto 42px;max-width:62ch;font-size:1.05rem}
.tieu-phu b{color:var(--chu)}

/* ---- Tại sao chọn chúng tôi ---- */
.ly-do{padding:80px 0 70px}
.luoi-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.o-ly-do{border:1px solid var(--vien);border-radius:10px;padding:30px 24px;text-align:center;background:#fff;transition:box-shadow .25s,transform .25s}
.o-ly-do:hover{box-shadow:0 14px 34px rgba(90,15,20,.1);transform:translateY(-3px)}
.o-ly-do img{width:64px;height:64px;margin:0 auto 16px}
.o-ly-do h3{font-family:Lora,serif;font-weight:700;font-size:1.22rem;color:var(--chinh);text-transform:uppercase;margin:0 0 10px;line-height:1.3}
.o-ly-do p{margin:0;color:var(--mo);font-size:.98rem}

/* ---- Dự án ---- */
.du-an{background:var(--nen-nhat);padding:76px 0 60px}
.luoi-da{display:grid;grid-template-columns:1.6fr 1fr;grid-template-rows:1fr 1fr;gap:20px}
.the-da{position:relative;border-radius:10px;overflow:hidden;display:block;min-height:220px;box-shadow:0 6px 20px rgba(0,0,0,.08)}
.the-da.lon{grid-row:span 2;min-height:460px}
.the-da img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.the-da:hover img{transform:scale(1.04)}
.phu-da{position:absolute;left:0;right:0;bottom:0;padding:50px 22px 18px;background:linear-gradient(transparent,rgba(40,6,10,.88));color:#fff;display:flex;flex-direction:column;gap:2px}
.phu-da b{font-family:Lora,serif;font-size:1.4rem;text-transform:uppercase;letter-spacing:.01em}
.phu-da i{font-style:normal;font-family:var(--tieu);font-size:.68rem;background:var(--champ);color:var(--dam);padding:2px 8px;border-radius:4px;vertical-align:4px;margin-left:6px}
.phu-da small{font-size:.95rem;color:var(--nga)}
.xem-them{text-align:center;margin:30px 0 0}
.xem-them a{color:var(--chinh);display:inline-flex;align-items:center;gap:6px;font-weight:600}
.xem-them a:hover{text-decoration:underline}

/* ---- Tin tức ---- */
.tin-tuc{padding:76px 0 50px}
.tin-dau{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-bottom:40px}
.anh-bai{display:block;border-radius:8px;overflow:hidden;background:var(--nen-nhat)}
.anh-bai img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s}
.anh-bai:hover img{transform:scale(1.04)}
.anh-bai.trong{aspect-ratio:16/10;background:var(--nga) url("anh/logo2.png") center/38% no-repeat;filter:none}
.anh-bai.trong{background-color:#f3e3df}
.bai-noi h3{font-family:Lora,serif;font-size:1.5rem;line-height:1.35;color:var(--chinh);text-transform:uppercase;margin:16px 0 8px}
.bai-noi p{color:var(--mo);margin:10px 0 0;text-align:justify}
.ngay{display:inline-flex;align-items:center;gap:6px;color:var(--mo);font-size:.92rem}
.tin-ben{display:flex;flex-direction:column;gap:18px}
.tin-ben .the-bai{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:start}
.tin-ben .anh-bai img,.tin-ben .anh-bai.trong{aspect-ratio:3/2}
.tin-ben h3{font-size:1.06rem;margin:0 0 6px}
.the-bai h3{font-family:Lora,serif;font-weight:600;line-height:1.4;margin:14px 0 6px;font-size:1.12rem}
.the-bai h3 a:hover,.bai-noi h3 a:hover{color:var(--chinh)}
.the-bai p{color:var(--mo);font-size:.96rem;margin:8px 0 0}
.luoi-bai{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.chua-co{text-align:center;color:var(--mo);padding:30px 0;font-style:italic}
.trang{display:flex;gap:8px;justify-content:center;padding:34px 0 0;flex-wrap:wrap}
.trang a,.trang span{min-width:40px;text-align:center;padding:7px 13px;border:1px solid var(--vien);border-radius:6px;color:var(--mo)}
.trang .current{background:var(--chinh);border-color:var(--chinh);color:#fff}

/* ---- Dải tiêu đề chuyên mục ---- */
.dai-tieu-de{background:linear-gradient(90deg,var(--dam),var(--chinh));color:#fff;padding:46px 0;text-align:center}
.dai-tieu-de h1{font-family:var(--tieu);font-weight:800;text-transform:uppercase;font-size:2rem;margin:0}
.mo-ta-cm{color:var(--nga);margin-top:8px}

/* ---- Bài viết ---- */
.bai-don{max-width:780px;margin:0 auto;padding:50px 20px 30px}
.nhan-cm{display:inline-block;font-family:var(--tieu);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--chinh);border:1px solid var(--chinh);border-radius:4px;padding:3px 10px;margin-bottom:16px}
.bai-don h1{font-family:var(--tieu);font-weight:800;font-size:2.3rem;line-height:1.22;color:var(--dam);margin:0 0 14px}
.bai-don .ngay{margin-bottom:26px}
.anh-dau img{border-radius:8px;margin:0 0 30px;width:100%}
.noi-dung{font-size:1.1rem;line-height:1.8}
.noi-dung h2{font-family:var(--tieu);font-weight:700;font-size:1.5rem;color:var(--chinh);margin:2em 0 .5em;line-height:1.3}
.noi-dung h3{font-family:var(--tieu);font-weight:700;font-size:1.2rem;margin:1.6em 0 .4em}
.noi-dung p{margin:0 0 1.15em}
.noi-dung a{color:var(--chinh);text-decoration:underline}
.noi-dung img{border-radius:6px;margin:1.3em 0}
.noi-dung figcaption{text-align:center;color:var(--mo);font-size:.92rem;margin-top:-.6em}
.noi-dung blockquote{margin:1.6em 0;padding:14px 22px;border-left:4px solid var(--chinh);background:var(--nen-nhat);color:#444}
.noi-dung ul li::marker{color:var(--chinh)}
.noi-dung table{border-collapse:collapse;width:100%;margin:1.4em 0;font-size:.98rem}
.noi-dung th,.noi-dung td{border:1px solid var(--vien);padding:9px 12px;text-align:left}
.noi-dung th{background:var(--chinh);color:#fff}
.noi-dung details{border-bottom:1px solid var(--vien);padding:6px 0}
.noi-dung summary{cursor:pointer;font-weight:700;padding:12px 0}
.noi-dung iframe{max-width:100%;border-radius:6px}
.hop-cta{margin:40px 0 10px;padding:26px 28px;border-radius:10px;background:var(--nga);border-left:5px solid var(--chinh)}
.hop-cta p{margin:0 0 16px}
.hop-cta .nut-nhat{border-color:var(--chinh)}
.lien-quan{margin-top:50px}
.lien-quan h2{font-family:var(--tieu);font-weight:800;text-transform:uppercase;color:var(--chinh);font-size:1.3rem;margin:0 0 20px}

/* ---- Liên hệ ---- */
.lien-he{background:var(--nen-nhat);padding:70px 0;border-top:1px solid var(--vien)}
.lien-he .khung{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.lh-trai h2{font-family:var(--tieu);font-weight:800;font-size:1.9rem;color:var(--dam);line-height:1.25;margin:0 0 14px}
.lh-trai p{color:var(--mo);margin:0 0 22px}
.lh-trai ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.lh-trai li{display:flex;gap:10px;align-items:center}
.lh-trai li .ic{color:var(--chinh);width:20px;height:20px}
.lh-trai li a{font-weight:700;color:var(--chinh)}
.lh-trai li span{color:var(--mo);font-size:.92rem}
.hop-form{background:#fff;border:7px solid var(--chinh);padding:30px 26px;box-shadow:0 12px 30px rgba(90,15,20,.12)}
.hop-form h3{font-family:var(--tieu);font-weight:800;text-transform:uppercase;text-align:center;font-size:1.3rem;margin:0 0 6px;color:var(--chu)}
.goi-y{text-align:center;color:var(--mo);margin:0 0 18px;font-size:.98rem}
.goi-y a{font-family:var(--tieu);font-weight:800;font-size:1.45rem;color:var(--chinh);letter-spacing:.02em}
.hop-form label{display:block;margin-bottom:12px}
.hop-form input,.hop-form textarea{width:100%;font:inherit;font-size:1rem;padding:12px 14px;border:1px solid #d9d0ce;border-radius:4px;background:#fbf8f7}
.hop-form input:focus,.hop-form textarea:focus{outline:2px solid var(--champ);border-color:var(--chinh);background:#fff}
.hop-form button{width:100%;font-family:var(--tieu);font-weight:800;text-transform:uppercase;font-size:1rem;letter-spacing:.04em;padding:14px;border:0;border-radius:4px;background:var(--chinh);color:#fff;cursor:pointer}
.hop-form button:hover{background:var(--dam)}
.hop-form .bay{position:absolute;left:-9999px}
.bao{padding:10px 14px;border-radius:4px;font-size:.95rem;margin:0 0 14px}
.bao.ok{background:#e9f6ec;color:#1d6b32}
.bao.loi{background:#fdecec;color:#9b1c1c}

/* ---- Chân trang ---- */
.cuoi{background:var(--chinh);color:#fff;text-align:center;position:relative;padding-top:60px;
  background-image:radial-gradient(circle at 20% 0,rgba(255,255,255,.07),transparent 45%),radial-gradient(circle at 85% 100%,rgba(0,0,0,.18),transparent 50%)}
.cuoi::before{content:"";position:absolute;top:-1px;left:0;right:0;height:22px;background:var(--nen-nhat);
  -webkit-mask:radial-gradient(14px 12px at 50% 0,#000 98%,transparent) 0 0/28px 22px repeat-x;mask:radial-gradient(14px 12px at 50% 0,#000 98%,transparent) 0 0/28px 22px repeat-x}
.logo-cuoi{width:200px;margin:0 auto 6px}
.ten-cty{font-family:Lora,serif;font-size:1.35rem;font-weight:600;text-transform:uppercase;margin:0}
.khau-hieu{text-transform:uppercase;letter-spacing:.05em;color:var(--nga);margin:4px 0 0}
.cuoi .gach{display:block;width:240px;height:2px;margin:14px auto 22px;background:linear-gradient(90deg,transparent,var(--champ),transparent)}
.cuoi .dong{margin:0 0 10px;display:flex;justify-content:center;align-items:center;gap:8px;flex-wrap:wrap}
.cuoi .dong.dam a{font-family:var(--tieu);font-weight:700;display:inline-flex;align-items:center;gap:7px}
.cuoi .ngan{opacity:.7}
.mxh-cuoi{display:flex;justify-content:center;gap:12px;margin:18px 0 26px}
.mxh-cuoi a{width:42px;height:42px;border-radius:6px;background:rgba(0,0,0,.18);display:grid;place-items:center;transition:background .2s}
.mxh-cuoi a:hover{background:var(--dam)}
.mxh-cuoi .ic{width:19px;height:19px}
.chu-zalo{font-family:var(--tieu);font-weight:800;font-size:.72rem}
.menu-cuoi{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 34px;border-top:1px dashed rgba(255,255,255,.45);border-bottom:1px dashed rgba(255,255,255,.45);padding:16px 0}
.menu-cuoi a{text-transform:uppercase;opacity:.9}
.menu-cuoi a:hover{opacity:1;color:var(--champ)}
.ban-quyen{background:rgba(0,0,0,.14);padding:16px 20px;font-size:.88rem;text-transform:uppercase;letter-spacing:.03em;margin-top:24px;color:var(--nga)}

/* ---- Nút nổi gọi / Zalo ---- */
.nut-noi{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:12px;z-index:60}
.nut-noi a{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;box-shadow:0 6px 18px rgba(0,0,0,.22)}
.noi-goi{background:var(--chinh);animation:rung 2.4s infinite}
.noi-goi .ic{width:24px;height:24px}
.noi-zalo{background:#0068ff;font-family:var(--tieu);font-weight:800;font-size:.8rem}
@keyframes rung{0%,100%{box-shadow:0 0 0 0 rgba(163,20,30,.5),0 6px 18px rgba(0,0,0,.22)}60%{box-shadow:0 0 0 14px rgba(163,20,30,0),0 6px 18px rgba(0,0,0,.22)}}
@media (prefers-reduced-motion:reduce){.noi-goi{animation:none}*{transition:none!important}}

/* ---- Màn hình nhỏ ---- */
@media(max-width:1000px){
  .luoi-4{grid-template-columns:repeat(2,1fr)}
  .menu{gap:20px}
  .menu a{font-size:.92rem}
}
@media(max-width:820px){
  body{font-size:16px}
  .dai-tren .mxh .thu{display:none}
  .dai-tren .hotline{white-space:nowrap}
  .dau .khung{min-height:70px}
  .logo img{height:54px}
  .nut-menu{display:flex;flex-direction:column;gap:5px;cursor:pointer;padding:10px}
  .nut-menu span{width:26px;height:3px;border-radius:2px;background:var(--chinh);display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 10px 20px rgba(0,0,0,.1)}
  .menu a{padding:14px 20px;border-top:1px solid var(--vien)}
  .menu a::after{display:none}
  .mo-menu:checked ~ .menu{display:flex}
  .hero{min-height:460px;background:linear-gradient(180deg,rgba(90,15,20,.72),rgba(163,20,30,.9)),var(--anh-hero) center 30%/cover no-repeat}
  .hero h1{font-size:2.2rem}
  .hero .phu{font-size:1.02rem}
  .tieu-de{font-size:1.55rem}
  .ly-do,.du-an,.tin-tuc{padding:54px 0 44px}
  .luoi-da{grid-template-columns:1fr;grid-template-rows:none}
  .the-da.lon{grid-row:auto;min-height:260px}
  .the-da{min-height:220px}
  .tin-dau{grid-template-columns:1fr;gap:26px}
  .tin-ben .the-bai{grid-template-columns:120px 1fr}
  .luoi-bai{grid-template-columns:1fr}
  .lien-he .khung{grid-template-columns:1fr;gap:30px}
  .lh-trai h2{font-size:1.5rem}
  .bai-don h1{font-size:1.75rem}
}
@media(max-width:520px){
  .luoi-4{grid-template-columns:1fr}
  .hero h1{font-size:1.9rem}
  .nut{padding:12px 18px;font-size:.92rem}
  .hop-form{border-width:5px;padding:24px 18px}
}