/* ==========================================================================
   Thuý Tô Studio — web chính thuytostudio.com
   Cùng hệ thiết kế với các web con (bau · giadinh · doanhnhan · aodai):
   nền be ấm · nhấn taupe · Be Vietnam Pro Light (tiêu đề) + Nunito (nội dung) + Sacramento (logo)
   Mọi lớp mang tiền tố theo khối để khỏi trùng tên (bài học web aodai 26/08).
   ========================================================================== */

:root{
  --bg:#F5F2EE;
  --bg2:#EBE6E0;
  --white:#FDFCFA;
  --black:#252220;
  --text:#454240;
  --muted:#6f6863;
  --accent:#C0AFA0;
  --accent2:#8A7A6E;
  --cta:#6F5F55;          /* nút chính — đủ tương phản với chữ trắng */
  --cta-h:#5b4d45;
  --dark:#2c2724;
  --border:#DAD4CC;
  --ok:#3f7a55;
  --err:#a8453a;
  --radius:14px;
  --shadow:0 10px 30px rgba(44,39,36,.10);
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:76px;-webkit-text-size-adjust:100%}
body{font-family:'Nunito',system-ui,sans-serif;background:var(--bg);color:var(--text);
  font-size:16px;line-height:1.7;font-weight:400;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Be Vietnam Pro',system-ui,sans-serif;color:var(--black);font-weight:300;line-height:1.28;text-wrap:balance}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:20px}
.sec{padding-block:84px}
.sec-alt{background:var(--white)}
.sec-dark{background:var(--dark);color:#e9e3dd}
.sec-dark h2,.sec-dark h3{color:#fff}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent2);margin-bottom:12px;font-weight:600}
.sec-dark .eyebrow{color:var(--accent)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 44px}
.sec-head h2{font-size:clamp(28px,4vw,42px);margin-bottom:14px}
.sec-head p{color:var(--muted)}
.sec-dark .sec-head p{color:#cfc6be}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Nút ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;
  border-radius:999px;border:1px solid var(--cta);background:var(--cta);color:#fff;font-weight:600;
  font-size:15px;cursor:pointer;transition:background .25s,border-color .25s,transform .2s;white-space:nowrap}
.btn:hover{background:var(--cta-h);border-color:var(--cta-h)}
.btn:active{transform:translateY(1px)}
.btn-trong{background:transparent;color:var(--cta)}
.btn-trong:hover{background:var(--cta);color:#fff}
.btn-kinh{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.7);color:#fff;backdrop-filter:blur(4px)}
.btn-kinh:hover{background:#fff;color:var(--black);border-color:#fff}
.btn-nho{min-height:38px;padding:0 16px;font-size:14px}
.btn[disabled]{opacity:.6;cursor:wait}

/* ---------- Đầu trang ---------- */
.tt-top{position:fixed;inset:0 0 auto 0;z-index:50;transition:background .3s,box-shadow .3s;color:var(--black);background:rgba(245,242,238,.0)}
.tt-top.dac{background:rgba(253,252,250,.96);box-shadow:0 1px 0 var(--border);color:var(--black);backdrop-filter:blur(8px)}
.tt-top .wrap{display:flex;align-items:center;gap:18px;height:68px}
.tt-logo{display:flex;flex-direction:column;line-height:1;margin-right:auto}
.tt-logo b{font-family:'Sacramento',cursive;font-weight:400;font-size:36px;line-height:.9}
.tt-logo small{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;opacity:.85;margin-top:5px;white-space:nowrap}
.tt-nav{display:flex;gap:22px;font-size:14.5px;font-weight:600}
.tt-nav a{opacity:.92;padding:6px 0;border-bottom:1px solid transparent}
.tt-nav a:hover{opacity:1;border-bottom-color:currentColor}
.tt-ngu{display:inline-flex;border:1px solid currentColor;border-radius:999px;overflow:hidden;font-size:12.5px;font-weight:700;letter-spacing:.06em}
.tt-ngu a{padding:5px 10px;opacity:.7}
.tt-ngu a.on{background:currentColor;opacity:1}
.tt-ngu a.on span{color:#fff}
.tt-top .btn{min-height:40px;padding:0 18px;font-size:14px}
.tt-menu{display:none;background:none;border:0;width:42px;height:42px;cursor:pointer;color:inherit}
.tt-menu span,.tt-menu span::before,.tt-menu span::after{display:block;width:22px;height:2px;background:currentColor;margin:auto;position:relative;transition:transform .25s}
.tt-menu span::before,.tt-menu span::after{content:'';position:absolute;left:0}
.tt-menu span::before{top:-7px}.tt-menu span::after{top:7px}
.tt-top.mo .tt-menu span{background:transparent}
.tt-top.mo .tt-menu span::before{transform:translateY(7px) rotate(45deg)}
.tt-top.mo .tt-menu span::after{transform:translateY(-7px) rotate(-45deg)}

@media (max-width:980px){
  .tt-nav{position:fixed;inset:68px 0 auto 0;background:var(--white);color:var(--black);flex-direction:column;gap:0;
    padding:8px 20px 18px;box-shadow:var(--shadow);transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s}
  .tt-nav a{padding:13px 0;border-bottom:1px solid var(--border);font-size:16px}
  .tt-top.mo .tt-nav{transform:none;opacity:1;pointer-events:auto}
  .tt-top.mo{background:var(--white);color:var(--black)}
  .tt-menu{display:block}
  .tt-top .btn-dat{display:none}
}

/* ---------- Hero: chữ bên trái, 4 khung ảnh dọc tự chạy bên phải ---------- */
.hero{position:relative;padding-block:104px 56px;background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 1.02fr;gap:44px;align-items:center}
.hero-slogan{font-family:'Be Vietnam Pro',sans-serif;font-style:italic;font-weight:300;font-size:clamp(15px,1.5vw,18px);letter-spacing:.02em;color:var(--accent2);margin-bottom:14px;display:flex;align-items:center;gap:12px}
.hero-slogan::before{content:'';width:36px;height:1px;background:var(--accent2)}
.hero h1{font-size:clamp(30px,3.9vw,50px);font-weight:300;letter-spacing:-.01em}
.hero h1 strong{font-weight:500}
.hero-sub{max-width:560px;margin:18px 0 26px;font-size:clamp(16px,1.5vw,18px);color:var(--text)}
.hero-nut{display:flex;flex-wrap:wrap;gap:12px}
.hero-tin{display:grid;grid-template-columns:repeat(4,auto);justify-content:start;gap:10px 26px;margin-top:32px;padding-top:22px;border-top:1px solid var(--border);list-style:none}
.hero-tin li{display:flex;flex-direction:column;font-size:13px;color:var(--muted);line-height:1.35}
.hero-tin b{font-family:'Be Vietnam Pro',sans-serif;font-weight:400;font-size:24px;color:var(--black)}
.hero-khung{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;position:relative}
.hero-khung .kh{position:relative;aspect-ratio:3/4;border-radius:16px;overflow:hidden;background:#d9d1c8;box-shadow:var(--shadow)}
.hero-khung .kh:nth-child(2){transform:translateY(34px)}
.hero-khung .kh:nth-child(4){transform:translateY(34px)}
.kh img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity 1.2s ease}
.kh img.hien{opacity:1}
.kh span{position:absolute;left:10px;bottom:10px;z-index:2;background:rgba(253,252,250,.92);color:var(--black);border-radius:999px;padding:3px 11px;font-size:12px;font-weight:700;transition:opacity .6s}
@media (prefers-reduced-motion:reduce){.kh img{transition:none}}
@media (max-width:900px){
  .hero{padding-block:92px 44px}
  .hero .wrap{grid-template-columns:1fr;gap:26px}
  .hero-khung{order:-1}
  .hero-khung{grid-template-columns:repeat(4,1fr);gap:8px}
  .hero-khung .kh{border-radius:12px}
  .hero-khung .kh:nth-child(2),.hero-khung .kh:nth-child(4){transform:translateY(16px)}
  .hero-tin{grid-template-columns:repeat(2,auto)}
}
@media (max-width:520px){
  .hero-khung{grid-template-columns:repeat(2,1fr)}
  .hero-khung .kh:nth-child(n+3){display:none}
  .hero-khung .kh:nth-child(2){transform:none}
  .hero-khung .kh{aspect-ratio:4/5}
  .tt-logo b{font-size:32px}
  .tt-logo small{font-size:8.5px;letter-spacing:.14em}
  .kh span{font-size:11px}
}

/* ---------- Dịch vụ ---------- */
.dv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.dv-the{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s}
.dv-the:hover{transform:translateY(-4px)}
.dv-anh{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--bg2)}
.dv-anh img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.dv-the:hover .dv-anh img{transform:scale(1.05)}
.dv-gia{position:absolute;left:12px;bottom:12px;background:rgba(253,252,250,.94);color:var(--black);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:700}
.dv-than{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.dv-than h3{font-size:21px;font-weight:400}
.dv-than p{color:var(--muted);font-size:14.5px;flex:1}
.dv-nut{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.dv-nut .btn{flex:1}
.dv-web{font-size:13px;color:var(--accent2);font-weight:700;margin-top:4px}
.dv-web:hover{text-decoration:underline}

/* ---------- Tab dùng chung (bảng giá, video) ---------- */
.tab-hang{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding:4px 2px 12px;margin-bottom:26px;justify-content:center;flex-wrap:wrap}
.tab-hang::-webkit-scrollbar{display:none}
.tab-hang button{flex:0 0 auto;border:1px solid var(--border);background:var(--white);border-radius:999px;padding:9px 18px;font-weight:700;font-size:14px;cursor:pointer;color:var(--text);transition:.2s}
.tab-hang button:hover{border-color:var(--accent2)}
.tab-hang button[aria-selected="true"]{background:var(--cta);border-color:var(--cta);color:#fff}
.sec-dark .tab-hang button{background:transparent;color:#e9e3dd;border-color:rgba(255,255,255,.25)}
.sec-dark .tab-hang button[aria-selected="true"]{background:#fff;color:var(--black);border-color:#fff}
@media (max-width:700px){.tab-hang{flex-wrap:nowrap;justify-content:flex-start;margin-inline:-20px;padding-inline:20px}}

/* ---------- Bảng giá ---------- */
.bg-dau{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px 20px;margin-bottom:20px}
.bg-dau h3{font-size:26px}
.bg-dau p{color:var(--muted);max-width:640px}
.goi-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.goi{position:relative;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px 20px;display:flex;flex-direction:column}
.goi.noi{border-color:var(--accent2);box-shadow:var(--shadow)}
.goi-nhan{position:absolute;top:-11px;left:18px;background:var(--cta);color:#fff;font-size:11.5px;font-weight:700;letter-spacing:.04em;border-radius:999px;padding:3px 10px}
.goi h4{font-size:18px;font-weight:500;margin-bottom:4px}
.goi-gia{font-family:'Be Vietnam Pro',sans-serif;font-size:26px;color:var(--black);font-weight:400;line-height:1.2}
.goi-gia s{font-size:14px;color:var(--muted);margin-left:6px;font-weight:300}
.goi-phu{font-size:13px;color:var(--muted);margin-top:2px}
.goi ul{list-style:none;margin:14px 0 16px;display:grid;gap:7px;font-size:14px;flex:1;align-content:start}
.goi li{position:relative;padding-left:20px}
.goi li::before{content:'';position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.goi .btn{width:100%}
.bg-nhom{font-size:15px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent2);margin:26px 0 12px}
.bg-nhom:first-child{margin-top:0}
.goi-dem{flex:1;min-height:14px}
.bg-chung{margin-top:40px}
.bg-chung caption{text-align:left;font-family:'Be Vietnam Pro',sans-serif;font-size:18px;color:var(--black);padding:0 0 10px}
.bg-chan{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;justify-content:space-between;margin-top:22px;padding:16px 18px;background:var(--bg2);border-radius:var(--radius);font-size:14.5px}
.bg-chan a{font-weight:700;color:var(--cta)}
.bg-chan a:hover{text-decoration:underline}
.bg-them{margin-top:18px;overflow-x:auto}
.bg-them table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;font-size:14.5px;min-width:420px}
.bg-them th,.bg-them td{padding:11px 14px;border-bottom:1px solid var(--border);text-align:left}
.bg-them td:last-child,.bg-them th:last-child{text-align:right;white-space:nowrap;font-weight:700}
.bg-them th{background:var(--bg2);font-weight:700}
.km{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;margin:0 0 22px;padding:14px 18px;border-radius:var(--radius);background:#fff4e6;border:1px dashed #d9a86c;font-size:14.5px}
.km b{color:#8b5a1f}

/* ---------- Lý do chọn ---------- */
.ld-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:900px){.ld-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.ld-grid{grid-template-columns:1fr}}
.ld{background:var(--white);border-radius:var(--radius);padding:24px 22px;border:1px solid var(--border)}
.ld i{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--bg2);font-style:normal;font-size:22px;margin-bottom:12px}
.ld h3{font-size:18.5px;font-weight:500;margin-bottom:6px}
.ld p{font-size:14.5px;color:var(--muted)}

/* ---------- Video ---------- */
.vd-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(172px,1fr));gap:14px}
.vd{position:relative;border:0;padding:0;background:#1d1917;border-radius:12px;overflow:hidden;cursor:pointer;aspect-ratio:9/16;text-align:left;color:#fff}
.vd.ngang{aspect-ratio:16/9;grid-column:span 2}
@media (max-width:560px){.vd.ngang{grid-column:span 1}.vd-grid{grid-template-columns:repeat(2,1fr)}.vd.ngang{grid-column:span 2}}
.vd img{width:100%;height:100%;object-fit:cover;transition:transform .6s,opacity .3s;opacity:.92}
.vd:hover img{transform:scale(1.05);opacity:1}
.vd::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 45%,rgba(0,0,0,.78) 100%)}
.vd-chu{position:absolute;left:10px;right:10px;bottom:10px;z-index:2;font-size:13px;line-height:1.35;font-weight:600;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.vd-play{position:absolute;top:50%;left:50%;z-index:2;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:50%;background:rgba(255,255,255,.88);display:grid;place-items:center;transition:transform .25s}
.vd-play::before{content:'';border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent var(--black);margin-left:4px}
.vd:hover .vd-play{transform:scale(1.1)}
.vd-them{text-align:center;margin-top:26px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* hộp xem video */
.lb{position:fixed;inset:0;z-index:90;background:rgba(12,10,9,.94);display:flex;align-items:center;justify-content:center;padding:56px 16px 24px}
.lb-khung{position:relative;width:min(92vw,1100px);aspect-ratio:16/9;max-height:78vh}
.lb-khung.doc{width:auto;height:min(80vh,860px);aspect-ratio:9/16;max-width:92vw}
.lb-khung iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:10px;background:#000}
.lb-vung{position:relative}
.lb-chu{position:absolute;left:0;right:0;top:100%;margin-top:8px;color:#ddd;font-size:14px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lb-dong,.lb-truoc,.lb-sau{position:absolute;border:0;background:rgba(255,255,255,.12);color:#fff;width:46px;height:46px;border-radius:50%;cursor:pointer;font-size:22px;display:grid;place-items:center}
.lb-dong{top:10px;right:12px;z-index:3}
.lb-truoc{left:12px;top:50%;margin-top:-23px}
.lb-sau{right:12px;top:50%;margin-top:-23px}
.lb-dong:hover,.lb-truoc:hover,.lb-sau:hover{background:rgba(255,255,255,.28)}
@media (max-width:700px){.lb-truoc,.lb-sau{top:auto;bottom:14px;margin:0}.lb-khung.doc{height:min(74vh,760px)}}

/* ---------- Khách quốc tế ---------- */
.qt{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.qt-anh{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.qt-anh img{width:100%;height:100%;object-fit:cover;border-radius:12px;aspect-ratio:4/5}
.qt-anh img:first-child{grid-row:span 2;aspect-ratio:auto}
.qt h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:14px}
.qt-so{display:flex;align-items:baseline;gap:12px;margin:12px 0 14px}
.qt-so b{font-family:'Be Vietnam Pro',sans-serif;font-weight:300;font-size:64px;line-height:1;color:#fff}
.qt-nuoc{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 22px;list-style:none}
.qt-nuoc li{border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:4px 12px;font-size:13.5px}
.qt-link{display:flex;flex-wrap:wrap;gap:10px}
.qt-chao{font-family:'Sacramento',cursive;font-size:32px;color:var(--accent);margin-top:18px}
@media (max-width:860px){.qt{grid-template-columns:1fr}.qt-anh{order:2}}

/* ---------- Về chúng tôi ---------- */
.ab{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:start}
.ab-anh{position:relative}
.ab-anh img{border-radius:var(--radius);width:100%;aspect-ratio:4/5;object-fit:cover}
.ab-trich{position:absolute;right:-18px;bottom:-22px;max-width:300px;background:var(--white);border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);font-size:15px;font-style:italic;color:var(--black)}
.ab-trich{margin:0}
.ab-trich small{display:block;font-style:normal;color:var(--muted);margin-top:6px;font-size:12.5px}
.ab h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:16px}
.ab p{margin-bottom:14px}
.ab-moc{list-style:none;margin:24px 0 10px;border-left:2px solid var(--accent);padding-left:22px;display:grid;gap:14px}
.ab-moc li{position:relative}
.ab-moc li::before{content:'';position:absolute;left:-29px;top:.45em;width:12px;height:12px;border-radius:50%;background:var(--white);border:2px solid var(--accent2)}
.ab-moc b{font-family:'Be Vietnam Pro',sans-serif;font-weight:500;color:var(--black);margin-right:6px}
.ab-gt{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px}
.ab-gt div{background:var(--bg2);border-radius:10px;padding:12px 14px;font-size:14px}
.ab-gt b{display:block;color:var(--black);font-weight:700}
@media (max-width:860px){.ab{grid-template-columns:1fr}.ab-trich{position:relative;right:auto;bottom:auto;margin:-40px 16px 0;max-width:none}}

/* ---------- Quy trình ---------- */
.qtr{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:b;list-style:none}
.qtr li{counter-increment:b;background:var(--white);border-radius:var(--radius);padding:24px 20px;border:1px solid var(--border);position:relative}
.qtr li::before{content:counter(b,decimal-leading-zero);font-family:'Be Vietnam Pro',sans-serif;font-weight:200;font-size:44px;color:var(--accent);line-height:1;display:block;margin-bottom:10px}
.qtr h3{font-size:18px;font-weight:500;margin-bottom:6px}
.qtr p{font-size:14.5px;color:var(--muted)}
@media (max-width:900px){.qtr{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.qtr{grid-template-columns:1fr}}

/* ---------- Đánh giá ---------- */
.dg-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.dg{background:var(--white);border-radius:var(--radius);padding:22px;border:1px solid var(--border);display:flex;flex-direction:column;gap:10px}
.dg-tong{display:inline-flex;align-items:center;gap:10px;margin-top:6px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:6px 16px;font-weight:700;color:var(--black)}
.dg-tong b{color:#c9a13b;font-size:18px}
.dg-sao{color:#c9a13b;letter-spacing:2px;font-size:15px}
.dg p{font-size:15px;flex:1}
.dg footer{font-size:13.5px;color:var(--muted)}
.dg footer b{color:var(--black)}

/* ---------- Hỏi đáp ---------- */
.faq{max-width:860px;margin:0 auto;display:grid;gap:10px}
.faq details{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:16px 28px 16px 0;font-weight:700;color:var(--black);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:24px;font-weight:300;color:var(--accent2)}
.faq details[open] summary::after{content:'–'}
.faq details p{padding:0 0 18px;color:var(--muted)}

/* ---------- Đặt lịch ---------- */
.dl{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:start}
.dl-trai h2{font-size:clamp(28px,3.6vw,40px);margin-bottom:14px}
.dl-trai>p{color:var(--muted);margin-bottom:22px}
.dl-kenh{display:grid;gap:10px}
.dl-kenh a{display:flex;align-items:center;gap:12px;background:var(--white);border:1px solid var(--border);border-radius:12px;padding:12px 16px;transition:border-color .2s}
.dl-kenh a:hover{border-color:var(--accent2)}
.dl-kenh i{font-style:normal;width:38px;height:38px;border-radius:50%;background:var(--bg2);display:grid;place-items:center;font-size:18px;flex:0 0 auto}
.dl-kenh small{display:block;color:var(--muted);font-size:12.5px}
.dl-kenh b{color:var(--black)}
.dl-form{background:var(--white);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.dl-form h3{font-size:22px;margin-bottom:4px}
.dl-form>p{font-size:14px;color:var(--muted);margin-bottom:18px}
.o-hang{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.o{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.o label{font-size:13.5px;font-weight:700;color:var(--black)}
.o label em{color:var(--err);font-style:normal}
.o input,.o select,.o textarea{width:100%;border:1px solid var(--border);border-radius:10px;background:#fff;padding:11px 13px;font-size:15px;outline:none;transition:border-color .2s,box-shadow .2s}
.o textarea{min-height:88px;resize:vertical}
.o input:focus,.o select:focus,.o textarea:focus{border-color:var(--accent2);box-shadow:0 0 0 3px rgba(138,122,110,.15)}
.o .loi{display:none;color:var(--err);font-size:12.5px}
.o.sai input,.o.sai select{border-color:var(--err)}
.o.sai .loi{display:block}
.o-bay{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.dl-gui{width:100%;min-height:52px;font-size:16px;margin-top:4px}
.dl-note{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}
.dl-bao{margin-top:14px;padding:14px 16px;border-radius:10px;font-size:14.5px;background:#fbeceb;color:var(--err)}
.dl-bao .btn{margin:10px 8px 0 0}
@media (max-width:900px){.dl{grid-template-columns:1fr}}
@media (max-width:520px){.o-hang{grid-template-columns:1fr;gap:0}.dl-form{padding:22px 18px}}

/* khung cảm ơn */
.co{position:fixed;inset:0;z-index:95;background:rgba(28,24,22,.62);display:flex;align-items:center;justify-content:center;padding:18px;backdrop-filter:blur(3px)}
.co-hop{background:var(--white);border-radius:20px;max-width:480px;width:100%;padding:34px 28px 28px;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.3);animation:co-vao .45s ease}
@keyframes co-vao{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.co-hoa{font-size:46px;line-height:1;margin-bottom:10px}
.co-hop h3{font-size:23px;font-weight:400;margin-bottom:12px}
.co-hop p{color:var(--text);margin-bottom:10px}
.co-hen{font-family:'Be Vietnam Pro',sans-serif;color:var(--black);font-weight:500}
.co-nut{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:18px}
.co-nghe .loa{display:inline-block}
.co-them{font-size:13.5px;color:var(--muted);margin:16px 0 0}
.co-them a{color:var(--cta);font-weight:700}
.co-nghe.dang-phat .loa{animation:co-loa .8s ease-in-out infinite}
@keyframes co-loa{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
.co-nghe.moi-nghe{animation:co-moi 1.2s ease-in-out infinite}
@keyframes co-moi{0%,100%{box-shadow:0 0 0 0 rgba(111,95,85,.5)}50%{box-shadow:0 0 0 10px rgba(111,95,85,0)}}
@media (prefers-reduced-motion:reduce){.co-hop,.co-nghe.dang-phat .loa,.co-nghe.moi-nghe{animation:none}}

/* ---------- Tuyển dụng ---------- */
.td{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px 32px;background:linear-gradient(120deg,#3a322d,#5a4c43);color:#f2ece6;border-radius:20px;padding:34px 36px}
.td h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:6px}
.td p{max-width:640px;color:#e0d7cf}
.td ul{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin-top:12px}
.td li{border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:3px 12px;font-size:13.5px}

/* ---------- Liên hệ ---------- */
.lh{display:grid;grid-template-columns:1fr 1.2fr;gap:28px;align-items:stretch}
.lh-the{background:var(--white);border-radius:var(--radius);padding:28px;border:1px solid var(--border)}
.lh-the h3{font-size:22px;margin-bottom:14px}
.lh-dong{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);font-size:15px}
.lh-dong:last-child{border-bottom:0}
.lh-dong i{font-style:normal;width:22px;flex:0 0 auto}
.lh-dong a{color:var(--cta);font-weight:700}
.lh-sdt{display:flex;flex-wrap:wrap;gap:4px 14px}
.lh-map{border-radius:var(--radius);overflow:hidden;min-height:360px;background:var(--bg2)}
.lh-map iframe{width:100%;height:100%;min-height:360px;border:0;display:block}
.xh{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.xh a{border:1px solid var(--border);border-radius:999px;padding:6px 14px;font-size:13.5px;font-weight:700}
.xh a:hover{border-color:var(--accent2)}
@media (max-width:860px){.lh{grid-template-columns:1fr}}

/* ---------- Chân trang ---------- */
.ft{background:var(--dark);color:#cfc6be;padding-block:56px 110px;font-size:14.5px}
.ft-luoi{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.ft h4{color:#fff;font-size:15px;font-weight:500;margin-bottom:12px;letter-spacing:.04em}
.ft ul{list-style:none;display:grid;gap:7px}
.ft a:hover{color:#fff;text-decoration:underline}
.ft-logo{font-family:'Sacramento',cursive;font-size:44px;color:#fff;line-height:1}
.ft-duoi{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;font-size:13px;color:#9d948c}
@media (max-width:900px){.ft-luoi{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ft-luoi{grid-template-columns:1fr}}

/* ---------- Thanh dính đáy (điện thoại) + nút nổi ---------- */
.day{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;grid-template-columns:1fr 1fr 1.3fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(253,252,250,.97);box-shadow:0 -4px 18px rgba(0,0,0,.08)}
.day a{display:flex;align-items:center;justify-content:center;gap:6px;min-height:46px;border-radius:999px;font-weight:700;font-size:14.5px;border:1px solid var(--border);background:#fff;color:var(--black)}
.day a.chinh{background:var(--cta);border-color:var(--cta);color:#fff}
.noi-phai{position:fixed;right:18px;bottom:22px;z-index:60;display:flex;flex-direction:column;gap:10px}
.noi-phai a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.18);font-weight:800;font-size:12px;color:#fff}
.noi-zalo{background:#0068ff}
.noi-goi{background:var(--cta);font-size:22px!important}
@media (max-width:760px){.day{display:grid}.noi-phai{display:none}}

/* gợi ý bản tiếng Anh cho khách nước ngoài */
.goi-y{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:70;display:flex;align-items:center;gap:10px;background:var(--dark);color:#fff;border-radius:999px;padding:8px 8px 8px 18px;box-shadow:0 10px 30px rgba(0,0,0,.25);font-size:14px;max-width:calc(100vw - 24px)}
.goi-y a{background:#fff;color:var(--black);border-radius:999px;padding:6px 14px;font-weight:700;white-space:nowrap}
.goi-y button{background:none;border:0;color:#bbb;font-size:20px;cursor:pointer;padding:0 8px}
@media (max-width:760px){.goi-y{bottom:84px}}

/* hiện dần khi cuộn tới */
.len{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.len.da{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.len{opacity:1;transform:none;transition:none}}

@media (max-width:760px){
  .sec{padding-block:62px}
  .sec-head{margin-bottom:32px}
  .hero-tin b{font-size:20px}
  .hero-nut .btn{flex:1 1 auto}
  .td{padding:26px 22px}
}